which of the ten basic functions in our toolkit have end behaviour?

(A) ln(x), |x|, x (B) X^2, cos (x), e^x

(C) 1/x, sin (X), x^3 (D) 1/x, cos(x), sin(x)

Answers

Answer 1

The fundamental οperatiοns in οur tοοlbοx with end behaviοur are (B) x², cοs(x), and ex. 1/x, sin(x), and x³ (C). As x gets clοser tο pοsitive οr negative infinity, these functiοns exhibit variοus end behaviοurs.

A οne-οne functiοn: what is it?  

A mathematical functiοn with individuality knοwn as an injective functiοn, injectiοn, οr οne-οne functiοn never translates discrete cοmpοnents οf its dοmain tο equivalent elements οf its cοdοmain.

What dοes functiοn mean in math class 12?

A relatiοnship that indicates that there shοuld οnly be οne οutput fοr each input is called a functiοn. A set οf οrdered pairs that adheres tο the rule that each y-value shοuld οnly be related tο οne οther y-value is a special type οf relatiοn.

To know more about functions visit:-

brainly.com/question/12431044

#SPJ1


Related Questions

On Cupcake Wars, the bakers must fill 1000 cupcakes in the final challenge!
CUPCAKE
WARS
If the cupcakes are cylinder shaped and have a radius of 1.5 in and a height of 3.01 in,
how many cubic inches are need to fill 1000 cupcakes?
Use pi=3.14
Round your answer to the nearest hundredth as needed.
V=

Answers

You would need 21265.65 cubic inches to fill 1000 cupcakes. One cupcake is 21.26565 cubic inches to fill.

Answer:

21,265.65 in³

Step-by-step explanation:

Formula: Volume (V) = πr²h

V = πr²h

Slotting in values,

V = 3.14 x 1.5² x 3.01

V = 3.14 x 2.25 x 3.01

V = 21.26565 in³

But that is for 1 cupcake

To fill a thousand of them, you will need to multiply your answer by the number of cupcakes in total.

Therefore,

Answer = V x 1000

Answer = 21.26565 x 1000

Answer = 21,265.65 in³

The answer is already rounded to the nearest hundredth,

So they would need 21,265.65 cubic inches (in³) to fill 1000 cupcakes.

Please mark brainliest.

Thanks.

Draw a line representing the "rise" and a line representing the "run" of the line. State
the slope of the line in simplest form.

Answers

Answer:yo

Step-by-step explanation:

∠F and ∠U included sides and included angles?

given is ΔFUN

Answers

A triangle has three straight sides that meet at a point. The sides' lengths are adjustable, however the longest side's length cannot be longer than the sum of the lengths of the other two sides.

What method can be used to locate the triangle?

A triangle has three straight sides that meet at a point. The sides' lengths are adjustable, however the longest side's length cannot be longer than the sum of the lengths of the other two sides.

In the triangle ΔFUN,

∠F is an angle formed by the vertices F, U, and N.

∠U is an angle formed by the vertices F, U, and N.

The included sides of ∠F and ∠U are:

The included side of ∠F is UN.

The included side of ∠U is FN.

The included angles of ∠F and ∠U are:

Therefore, The included angle of ∠ F is ∠FUN, which is formed by the sides FU and UN. The included angle of ∠U is ∠NUF, which is formed by the sides NU and UF.

Learn more about triangle here:

https://brainly.com/question/3689492

#SPJ1

Use the information given to answer the question

A pack of crayons costs 1. 25. If z packs of crayons are purchased, the total price, P, can be represented by the relation P = 1. 252.

Does P 1. 252 represent a function, and why?

The relation is a function because there is exactly 1 value of P for every value of 1.

The relation is a function because there is exactly 1. 25 value of P for every value of z.

The relation is not a function because there is exactly 1. 25 value of P for every value of 2.

The relation is not a function because there is not exactly 1 value of P for every value of z.

Sting

Answers

The right response is: Because there is precisely one value of P for every value of z, the relationship is a function. The value that a function produces after accepting one or more input values is known as the output value of the function.

The right response is:

Because there is precisely one value of P for every value of z, the relationship is a function.

Each input value (in this case, z) in a function has a single related output value (P in this case). This requirement is met by the relation stated since there is exactly one value of P for each value of z.

The output value of a function given an input value x is denoted as f(x) in mathematical notation. This is the value that is obtained after applying the function to the input value.

Learn more about  output value here:

https://brainly.com/question/2804677

#SPJ4

Lilly Mae measures the length of the radius of her bedroom clock. She glued ribbon around the edge of the clock. What is the length of the ribbon lilly Mae glues around her clock? Use ~ 3.14

Answers

The length of the ribbon used by Lilly Mae is 15.7 inches.

The perimeter of the circle:  

A circle is a two-dimensional shape made up of points that are equidistant from a center point.

The perimeter of a circle is also known as its circumference and the formula for perimeter of circle is given by  

                                  C = 2πr

Where 'r' is the radius of the circle.

Here we have

Lilly Mae measures the length of the radius of her bedroom clock

From the figure, the Radius of the clock is 2.5 inch

Here the length of the ribbon around clock will equal the perimeter of the circular clock

From the formula, the Perimeter of the circle = 2πr  

Length of the ribbon used = 2(3.14)(2.5) = 15.7 inches

Therefore,

The length of the ribbon used by Lilly Mae is 15.7 inches.

Learn more about Perimeter of circle at

https://brainly.com/question/12908930

#SPJ1

Montrose Oil and Lube is a car care center specializing in ten-minute oil changes. Montrose Oil and Lube has two service bays, which limits its capacity to 4,000 oil changes per month. The following information was collected over the past six months: (Click the icon to view the information.) Read the requirements. 1. Prepare a graphing the volume of oil changes (x-axis) against the company's monthly operating expenses (y-axis). (Enlarge the graph to maximum size and use the point tool button displayed below to draw the graph.) Requirements 1. Prepare a scatterplot graphing the volume of oil changes (x-axis) against the company's monthly operating expenses (y-axis). 2. How strong of a relationship does there appear to be between the company's operating expenses and the number of oil changes performed each month? Explain. Do there appear to be any outliers in the data? Explain. 3. Based on the scatterplot, do the company's operating costs appear to be fixed, variable, or mixed? Explain how you can tell. 4. Would you feel comfortable using this information to project operating costs for a volume of 3,800 oil changes per month? Explain. Data table

Answers


To answer the question, let's start by preparing a scatterplot graphing the volume of oil changes (x-axis) against the company's monthly operating expenses (y-axis). From the data provided, the scatterplot appears as follows:

It appears that there is a fairly strong correlation between the number of oil changes performed and the company's operating expenses each month. The points appear to fall along a linear line, and there do not appear to be any outliers. This indicates that the company's operating costs are fixed.

Given the strong correlation between the number of oil changes and the company's operating expenses, we can feel confident using the data to project operating costs for a volume of 3,800 oil changes per month.

For further information on correlation, refer below:

https://brainly.com/question/30116167

#SPJ11

Use a Double- or Half-Angle Formula to solve the equation in the interval \( [0,2 \pi \) ). (Enter your answers as a comma-separated list.) \[ \cos (\theta)-\sin (\theta)=\sqrt{2} \cdot \sin \left(\fr

Answers

The solution for the given equation isθ = π/2, 5π/6, 13π/6.

The given equation is cos(θ) - sin(θ) = √2sin(θ/2)cos(θ/2).Use double-angle formula for sin to write sin(θ) in terms of cosθ as follows:sin(θ) = 2sin(θ/2)cos(θ/2).Substitute sin(θ) with the above equation. We have,cos(θ) - 2sin(θ/2)cos(θ/2) = √2sin(θ/2)cos(θ/2)cos(θ) - 3sin(θ/2)cos(θ/2) = 0(cosθ - 3sin(θ/2) = 0 or cosθ/3 = sin(θ/2)Squaring both sides of the equation gives us:cos2θ/9 = 1 - cos2(θ/2)cos2(θ/2) = (1 - cos2θ/9) / 2cos2(θ/2) = (9 - cos2θ) / 18sin2(θ/2) = 1 - cos2(θ/2)sin2(θ/2) = 1 - ((9 - cos2θ) / 18)sin2(θ/2) = (9 + cos2θ) / 18Therefore, the solution for the given equation isθ = π/2, 5π/6, 13π/6.

Learn more about Equation

brainly.com/question/29538993

#SPJ11

I need help I tried everything

Answers

Answer is both of the answers are correct

Explanation

If you match ∠EFG with its congruent ∠YXZ
based on
E ~ Y
G ~ Z
EG ~ YZ,

This means

✅ EF ~ YX

✅ ∠F ~ ∠X

It’s easier to see when you rotate your triangle and match up the congruent angles, you can see both answers are correct. I attached my example. I hope it helps

The following sample data are from a normal population: 10, 8, 12, 15, 13, 11, 6, 5. With 95% confidence, what is the margin of error for the estimation of the population mean?

Answers

We estimated the margin of error for the population mean with 95% confidence using the given data and formula. The margin of error is approximately 3.32, providing a reasonable range for the true population mean.

To find the margin of error for estimating the population mean with 95% confidence, we can use the formula:

Margin of error = t(α/2) × (s/√n)

where t(α/2) is the critical value of the t-distribution with (n - 1) degrees of freedom and a significance level of α/2 (0.025 for 95% confidence), s is the sample standard deviation, and n is the sample size.

From the given data, we can calculate the sample mean and standard deviation as:

x = (10 + 8 + 12 + 15 + 13 + 11 + 6 + 5) / 8 = 9.75

s = √[((10-9.75)² + (8-9.75)² + (12-9.75)² + (15-9.75)² + (13-9.75)² + (11-9.75)² + (6-9.75)² + (5-9.75)²) / 7] = 3.36

Using a t-table or calculator, we can find the critical value t(0.025) with 7 degrees of freedom to be approximately 2.365.

Substituting these values into the formula, we get:

Margin of error = 2.365 × (3.36 / √(8)) ≈ 3.32

Therefore, with 95% confidence, the margin of error for estimating the population mean is approximately 3.32.

Learn more about calculation of margin of error here: brainly.com/question/29101642

#SPJ4

What are the solutions to this quadratic equation?

Answers

The solutions can be written as x = 8 + 10i and x = 8 - 10i

Describe Quadratic Equation?

The graph of a quadratic equation is a parabola, which is a symmetrical U-shaped curve. The direction and shape of the parabola depend on the value of a. If a is positive, the parabola opens upward, and if a is negative, the parabola opens downward.

Quadratic equations are used in many areas of mathematics and science, including physics, engineering, and finance. They are also used in real-life situations to model and solve problems related to motion, distance, time, and other quantities.

To solve this quadratic equation, we can rearrange it to be in standard form:

x² - 16x + 164 = 0

We can then use the quadratic formula to find the solutions:

x = (-b ± √(b² - 4ac)) / 2a

In this case, a = 1, b = -16, and c = 164. Substituting these values into the formula, we get:

x = (16 ± √((-16)² - 4(1)(164))) / 2(1)

Simplifying, we get:

x = (16 ± √(256 - 656)) / 2

x = (16 ± √(-400)) / 2

We have a negative number inside the square root, which means that the solutions are complex. To express them in the form x = a + bi and x = a - bi, we can simplify the square root by factoring out -1:

x = (16 ± √(400) i) / 2

x = (16 ± 20i) / 2

x = 8 ± 10i

Therefore, the solutions to the quadratic equation x² - 16x + 164 = 0 are:

x = 8 + 10i and x = 8 - 10i

So, a = 8 and b = 10. Therefore, the solutions can be written as:

x = 8 + 10i and x = 8 - 10i

To know more about factoring visit:

https://brainly.com/question/14209188

#SPJ1

5 shirts, 2 neckties, 4 pants, and 2 sweaters? Looks like the previous problem, but the dress-code has changed, and I am permitted to omit the tie, and if the weather is warm, omit the sweater

Answers

Thus, if the weather is warm, you can make a total of 20 combinations (5 shirts x 4 pants), and if the weather is cold, you can make a total of 40 combinations (5 shirts x 4 pants x 2 sweaters).

The total combination of clothing items you can wear is 5 shirts, 4 pants, and either 2 neckties or 2 sweaters. If the weather is warm, you can opt to omit the sweater and keep the two neckties. If the weather is cold, then you can omit the neckties and wear the two sweaters. To calculate the total number of clothing combinations you can make, you need to multiply the items you are allowed to wear. For example, if you are wearing a shirt and a pair of pants, you can make 5 x 4 = 20 combinations. If you are wearing a shirt, pants, and either a necktie or a sweater, you can make 5 x 4 x 2 = 40 combinations.

For more such combination related questions

https://brainly.com/question/28065038

#SPJ11

An entomologist has an insect colony for an experiment. The
population of insects is increasing at a
continuous rate of 5.6 percent per week. The
initial population of the insect colony was 100.
The function that models the insect population after tt weeks is
P(t)=
Using the function from part (a) we can estimate that the insect population after 16 weeks is
___
(round your answer to the nearest whole number)
After how many weeks will the population reach 3800 insects?
weeks
___
(round your answer to one decimal place)

Answers

16 weeks is 277

3800 insects in about 27.4 weeks

The answer to the question is given below.An entomologist has an insect colony for an experiment. The population of insects is increasing at a continuous rate of 5.6 percent per week. The initial population of the insect colony was 100.The formula that represents the insect colony population after tt weeks is P(t) = 100 (1 + 0.056)^tUsing the formula from section (a), we can calculate that the insect population after 16 weeks is 277. The nearest whole number is 277.After how many weeks would the population of insects reach 3800?Let’s apply the formula P(t) = 100 (1 + 0.056)^t3800 = 100 (1 + 0.056)^t(1 + 0.056)^t = 38(1.056)^t = 38log 1.056^t = log 38t log 1.056 = log 38t = log 38 / log 1.056t ≈ 27.4 weeksThe insect population will reach 3800 insects in about 27.4 weeks. We rounded the answer to one decimal place.

Learn more about Logarithms

brainly.com/question/30085872

#SPJ4

In which number does the digit 2 have a value that is 1/10 times as great as the digit 2 in the number 6,257.11? Choose 1 answer:
(Choice A)
5,619.25
(Choice B)
291.93
(Choice C)
7,326.64
(Choice D)
2,575

Answers

In the number 7,326.64, the digit 2 appears in the thousands place, and its value is 200. Therefore, the answer is (Choice C) 7,326.64.

What is number?

A number is a mathematical concept used to represent a quantity or value. Numbers can be used to count, measure, or calculate, and they are fundamental to many fields of mathematics, science, and everyday life. Numbers can be represented and manipulated using mathematical symbols, such as digits, operations, and functions. They are used in many applications, such as in finance, engineering, physics, and computer science.

Here,

To solve this problem, we need to find a number that has a digit 2 with a value that is 1/10 times as great as the digit 2 in the number 6,257.11.

In the number 6,257.11, the digit 2 appears in the thousands place, and its value is 2,000.

To find a number in which the digit 2 has a value that is 1/10 times as great, we need to divide 2,000 by 10, which gives us 200.

So, we need to look for a number in which the digit 2 appears in the thousands place and has a value of 200. The only option that satisfies this condition is (Choice C) 7,326.64.

To know more about number,

https://brainly.com/question/28210925

#SPJ1

15 miles in 6 hours what is the average speed

Answers

15 miles in 6 hours was covered, hence with the average speed formula we find that the average speed is 2.5 miles per hour.

To find the average speed, we can use the formula:

Average Speed = Total Distance / Total Time

In this case, the total distance covered is 15 miles, and the total time taken is 6 hours. Substituting these values into the formula, we get:

Average Speed = 15 miles / 6 hours

Average Speed = 2.5 miles per hour

Therefore, the average speed for the 15 miles covered in 6 hours is 2.5 miles per hour. Average speed is a measure of how fast an object is moving over a certain distance during a certain time period. It is calculated as the ratio of the total distance traveled by an object to the total time it took to cover that distance. The unit of measurement for average speed is distance divided by time, such as miles per hour (mph), kilometers per hour (km/h), or meters per second (m/s). Average speed can be calculated for various types of objects in motion, including vehicles, runners, and even animals. It is often used to describe the efficiency of movement, and can be useful in making predictions about how long it will take to cover a certain distance or complete a certain task

To learn more about ratio click here

brainly.com/question/13419413

#SPJ4

A school sports team contains 68 students. 33 do field events, 40 do track events, 23 do swimming, 14 do both field and track events. If 15 students do field events only and 10 do both swimming and track events, how many students do a) swimming only b)track events only c) all three events?

Answers

Let's label the regions in the Venn diagram as follows:

F: students who do only field events

T: students who do only track events

S: students who do only swimming events

FT: students who do both field and track events

ST: students who do both swimming and track events

FST: students who do all three events

From the information given in the problem, we can fill in some of the values in the Venn diagram:

F + FT + 15 = 33 (33 students do field events, and 15 do field events only)

T + FT + 14 = 40 (40 students do track events, and 14 do both field and track events)

S + ST + 10 = 23 (23 students do swimming, and 10 do both swimming and track events)

F + T + S + 2FT + ST + FST = 68 (there are 68 students in total)

We can simplify these equations to:

F + FT = 18

T + FT = 26

S + ST = 13

F + T + S + 2FT + ST + FST = 68

To solve for the remaining unknowns, we need to use some algebra. We can start by solving for FT:

F + FT = 18

T + FT = 26

Adding the two equations, we get:

F + T + 2FT = 44

Rearranging, we get:

FT = (44 - F - T) / 2

Now we can substitute this expression for FT into the equation for the total number of students:

F + T + S + 2FT + ST + FST = 68

F + T + S + 2((44 - F - T) / 2) + ST + FST = 68

F + T + S + 44 - F - T + ST + FST = 68

Simplifying, we get:

S + ST + FST = 26

Now we have two equations involving S, ST, and FST:

S + ST = 13

S + ST + FST = 26

We can solve for S and ST by subtracting the first equation from the second:

S + ST + FST = 26

(S + ST) + FST = 26

Substituting S + ST = 13:

13 + FST = 26

FST = 13

So there are 13 students who do all three events. Now we can use the equation S + ST = 13 to solve for S:

S + ST = 13

ST = 10 (given in the problem)

S = 13 - 10 = 3

So there are 3 students who do swimming only. Similarly, we can use the equation T + FT = 26 to solve for T:

T + FT = 26

FT = (44 - F - T) / 2

Substituting F + FT = 18:

T + (18 - F) / 2 = 26

Multiplying both sides by 2:

2T + 18 - F = 52

find W (hypotenuse) if the angle is 15 degrees and the adjacent side has a length of 7 cm​

Answers

Answer:72

Step-by-step explanation:

71+1=72

find the area of the given circle​

Answers

Answer:

Area of white circle = 346.36 cm²

Step-by-step explanation:

Area of a circle = πr² where r is the radius

r = diameter/s

For the green circle, d = 42, r = 21

A = π(21)² = 1,385.44 cm²

The white circle has a diameter half of the green circle = 42/2 = 21 cm
So radius of white circle = 21/2 = 10.5 cm

Area of white circle = π (10.5)² = 346.36 cm²

Find T4,T7 and T9 for the geometric progression. 3,6,12,24

Answers

The given geometric progression's fourth, seventh, and ninth term is 24, 192, and 768 respectively.

In mathematics, a sequence known as a geometric progression (GP) is one in which each following term is generated by multiplying each preceding term by a constant integer, known as a common ratio. This progression is sometimes referred to as a pattern-following geometric sequence of numbers. Learn development in mathematics here as well. Here, each phrase is multiplied by the common ratio to generate the subsequent term, which is a non-zero value.

The given geometric progression: 3,6,12,24.......

The first term of GP is a = 3 and the Common ratio r = 2,

We know that the nth term of GP is,

[tex]T_n=ar^{n-1}[/tex]

We have to Find the 4, 7, and 9th terms of  above mentioned GP,

[tex]T_4\\\\T_4=ar^{4-1}\\\\T_4=3*2^3\\\\T_4=24\\\\\\T_7\\\\T_7=3*2^{7-1}\\\\T_7=192\\\\\\T_9\\\\T_9=3*2^{9-1}\\\\T_9=768[/tex]

learn  more about geometric progression (GP) ,

https://brainly.com/question/29337548

#SPJ4

John invest R500, at 12% per annum using simple interest for 4 years. How much money will John have at the end of 4 years?​

Answers

Answer: 42$

Step-by-step explanation:

egiryofhvjg

From her eye, which stands 1.69 meters above the ground, Sadie measures the angle of elevation to the top of a prominent skyscraper to be 36 ∘ ∘ . If she is standing at a horizontal distance of 275 meters from the base of the skyscraper, what is the height of the skyscraper? Round your answer to the nearest hundredth of a meter if necessary.

Answers

We can use the tangent function to solve this problem. Let h be the height of the skyscraper.

First, we need to find the length of the adjacent side of the right triangle formed by Sadie, the base of the skyscraper, and the point where she is standing. This length is the horizontal distance between Sadie and the base of the skyscraper, which is 275 meters.

Next, we can use the tangent of the angle of elevation to find the ratio of the opposite side (the height of the skyscraper) to the adjacent side:

tan(36°) = h/275

Solving for h, we get:

h = 275 tan(36°)

Using a calculator, we find:

h ≈ 198.64 meters

Therefore, the height of the skyscraper is approximately 198.64 meters.

Answer: 201.49

Step-by-step explanation:

Which one of the following graphs represents correct represent the variation of the gravitational field (E) with the distance (r) from the centre of a spherical shell of mass M radius R?

Answers

Option D is the graph that represent the variation of the gravitational energy (E) with the distance (r) from the centre of a spherical shell of mass M radius R

How to solve for the graph

When R is less than r, the graph we would have  is a straight line. When R = r, it has constant value and finally if R is more than r it is a hyperbola.

The intensity that is inside the spherical shell would be given as 0. Then we would have this represented as

I = 0

upto r = R

I ∝ I/r²

r > R

Hence D

Read more on gravitation energy here:https://brainly.com/question/26590030

#SPJ1

Write the quadratic equation y=x^2-6x-16

Answers

I’m assuming you want it in vertex form?

x=-b/2a and a=1, b=-6 and c=-16

So you have

x=-(-6)/2(1)= 6/2=3

So plug in x=3 for the equation and solve for y

y=(3)²-6(3)-16

y=9-18-16

y=-9-16

y=-25

So the vertex is (3,-25)

So the vertex is (h,k) where h=3 and k=-25

The vertex form is

y=a(x-h)²+k

so plugging in h=3 and k=-25 you get

y=[x-(3)]²+(-25)


Which is

y=(x-3)²-25

So the vertex form is

y=(x-3)²-25

What is an equation of the line that passes through the points (−2,4) and (3,−6)?

Answers

Answer:

y=10x+24

Step-by-step explanation:

y-4=10(x-(-2))

y-4=10(x+2)

y-4=10x+20

y=10x+24

Answer:

y= -2x

Step-by-step explanation:

m=y2-y1/x2-x1

m=-6-4/3-(-2)

m=-2

y= mx+q

y= -2x+q

-6= -2(3)+q

-6+6= q

q= 0

Therefore y= -2x

At December 31, bonds payable of $119,588,000 are outstanding the bonds pay 12% interest every September 30th in mature and installment of 29 million 897,000 every September 30th beginning 30th 2026 Bond payable (09/30/2026 installment) _________________ Bond payable (other than 09/30/2026 installment) ________________ Interest payable ___________________

Answers

The amounts due on December 31, 2026 are: Bond payable (09/30/2026 installment) = $29,897,000, Bond payable (other than 09/30/2026 installment) = $90,313,578.19,Interest payable = $622,578.19

We can break down the problem into two parts: first, calculating the amount of bonds payable that are due on September 30, 2026 (the first installment), and second, calculating the amount of bonds payable and interest payable that are due on any other date.

Bond payable due on September 30, 2026:

The total amount of bonds payable outstanding is $119,588,000. The installment due on September 30, 2026 is $29,897,000. Therefore, the amount of bonds payable that is due on September 30, 2026 is:

$29,897,000

Bond payable and interest payable due on any other date:

The total amount of bonds payable outstanding is $119,588,000. The first installment of $29,897,000 is due on September 30, 2026, which leaves $89,691,000 of bonds payable outstanding.

The bonds pay 12% interest every September 30th, so we need to calculate the interest payable for the period from September 30, 2026 to any other date. Let's assume we want to calculate the bond payable and interest payable due on December 31, 2026 (the end of the year).

The period from September 30, 2026 to December 31, 2026 is 92 days (or 3 months). The annual interest rate is 12%, so the daily interest rate is:

12% / 365 = 0.0328767%

The interest payable for 92 days is therefore:

$89,691,000 x 0.0328767% x 92/365 = $622,578.19

Adding this to the outstanding bonds payable gives:

Bond payable (other than 09/30/2026 installment) = $89,691,000 + $622,578.19 = $90,313,578.19

To learn more about Bond payable please click on below link.

https://brainly.com/question/30900140

#SPJ1

2x +5y +1=0
3x + 7y= 1

Answers

Answer:

We can solve this system of equations using substitution or elimination.

Using substitution, we can solve for one variable in terms of the other in one equation and substitute that expression into the other equation. For example, we can solve the first equation for x in terms of y:

2x + 5y + 1 = 0

2x = -5y - 1

x = (-5/2)y - 1/2

Now we can substitute this expression for x into the second equation:

3x + 7y = 1

3((-5/2)y - 1/2) + 7y = 1

-15/2 y - 3/2 + 7y = 1

9.5y = 5

y = 5/9.5 = 1/1.9

Now we can substitute this value of y back into either equation to solve for x:

x = (-5/2)y - 1/2

x = (-5/2)(1/1.9) - 1/2

x = -2.632

So the solution to the system of equations is x = -2.632 and y = 1/1.9.

express each of the following as a single fraction 5y/2-2y/3​

Answers

Answer:

Use a calculator for you to get an answer

last question...this is geometry. 15 points to whoever gets it right and can explain

Answers

Please send an image or question?

Please help with #7 and #10 a-c

Answers

7. The speed of the car is approximately 73.3 miles per hour. 10.  a. 7.07 ft/sec b. 9.87 feet from the center. c. the person on the outside is approximately 30 ft.

Describe Speed?

It is a fundamental concept in physics and is used to describe the motion of objects in both everyday life and scientific contexts. In addition to speed, other related concepts include velocity (which includes direction) and acceleration (the rate at which an object's speed or velocity changes).

7. The circumference of the wheel is given by C = πd, where d is the diameter of the wheel. Therefore, the circumference of each wheel is:

C = πd = π(22 in) = 22π in

Since the wheels are rotating at 600 rpm (revolutions per minute), the distance covered by each wheel in one minute is:

distance = circumference × revolutions = 22π in/rev × 600 rev/min = 13,200π in/min

To convert this to miles per hour, we need to convert inches to miles and minutes to hours. There are 12 inches in 1 foot and 5280 feet in 1 mile, so there are 63360 inches in 1 mile. There are 60 minutes in 1 hour, so:

distance = 13,200π in/min = (13,200π in/min) × (1 ft/12 in) × (1 mi/5280 ft) × (60 min/1 hr) ≈ 73.3 mi/hr

Therefore, the speed of the car is approximately 73.3 miles per hour.

10. a) The linear speed of a point on the carousel is given by v = rω, where r is the distance from the center of the carousel and ω is the angular velocity in radians per second. Since the carousel makes 3 revolutions per minute, the angular velocity is:

ω = (3 rev/min) × (2π rad/rev) × (1 min/60 sec) = π/10 rad/sec

The linear speed of a person riding a horse that is 22.5 ft from the center is:

v = rω = (22.5 ft) × (π/10 rad/sec) ≈ 7.07 ft/sec

b) Let d be the distance of the person on the inside from the center. Since the carousel makes 3 revolutions per minute, the angular velocity is still ω = π/10 rad/sec. The linear speed of the person on the inside is given as 3.1 ft/sec, so:

v = rω

3.1 ft/sec = d × (π/10 rad/sec)

d = (3.1 ft/sec) × (10/π rad/sec) ≈ 9.87 ft

Therefore, the person on the inside is approximately 9.87 feet from the center.

c) The linear speed of a point on the carousel is proportional to its distance from the center. Therefore, the ratio of the linear speeds of the person on the outside and the inside is equal to the ratio of their distances from the center:

v_outside/v_inside = r_outside/r_inside

We know that the linear speed of the person on the inside is 3.1 ft/sec and the distance of the person on the inside is approximately 9.87 feet. Therefore:

v_outside/3.1 ft/sec = r_outside/9.87 ft

v_outside = (r_outside/9.87 ft) × (3.1 ft/sec)

We can solve for r_outside by using the fact that the carousel makes 3 revolutions per minute:

v_outside = r_outsideω

v_outside = r_outside × (3 rev/min) × (2π rad/rev) × (1 min/60 sec)

v_outside = r_outsideπ/10 rad/sec

Combining these equations, we get:

r_outsideπ/10 rad/sec = (r_outside/9.87 ft) × (3.1 ft/sec)

r_outside ≈ 30.9 ft

Therefore, the person on the outside is approximately 30.

To know more about ratio visit:

https://brainly.com/question/29137566

#SPJ1

What advice would you give to students B and C to help them avoid factoring this
type of problem incorrectly in the future?
Correct solved problem
Student A factored
this expression correctly:
²-10x-24
(x-12)(x+2)
Factor: ²-10-24
Incorrect solved problem:
Sum of the integers does not
equal the middle term
Student B did not factor
this expression correctly.
²-10x-24
(x-4)(x+6)
Incorrect solved problem:
Sum of the integers does not
equal the middle term
Student C did not factor
this expression correctly:
-10-24
(r+12)(x-2)
**Day 4 will open once you post to the discussion board

Answers

Therefore , the solution of the given problem of expressions comes out to be  students can develop their factoring abilities and avoid mistakes with practise and instruction.

What exactly is an expression?

Estimates that combine joining, disabling, and rather than randomly divide should be produced when variables are shifting. If they got together, they could solve a mental puzzle, provide some data, and instead software. A declaration of truth contains formulas, components, and mathematical processes like combination, subtraction, omission, and grouping. Both phrases and words can be assessed and analysed.

Here,

are some pointers to assist students B and C prevent incorrect factoring in the future:

Regularly practise factoring: Since factoring is a talent that must be honed, students should make sure to factor problems frequently. They will be better able to understand the procedure and spot trends in the expressions they are factoring as a result of this.

Verify the indications again because they are prone to error when factoring. Students should double-check their distribution of the signs and make sure no negative indicators are being left out.

Students should double-check their work by multiplying the factors back together after factoring an equation. They'll be able to correct any errors they may have made thanks to this.

If students need assistance with factoring, they should ask an instructor or tutor for assistance. Although factoring can be a challenging ability to master, students can develop their factoring abilities and avoid mistakes with practise and instruction.

To know more about expressions visit :-

brainly.com/question/14083225

#SPJ1

Please ASAP Help
Will mark brainlest due at 12:00​

Answers

Answer:

The answer is C.

Step-by-step explanation:

The midway point is (19/2, -6)

19/2 = 9.5

Hope this helps!

ps. you can type this in a calculator and ask it to find the midpoint, if that helps :)

Other Questions
Bob produces flowers. The average variable cost reaches its minimum at a quantity A. the same as the quantity at which the average fixed cost is at a maximum. B. the same as the quantity at which the average total cost reaches its minimum. C. greater than the quantity at which the average total cost reaches its minimum. D. lower than the quantity at which the average total cost reaches its minimum. E. the same as the quantity at which the average fixed cost is at a minimum. The worlds narrowest street, which is located in a small Italian village, is only 43 cm wide. Suppose a fish with a mass of 1.8 kg is hung from a string attached to a stick. The stick, slightly longer than the street is wide, is placed horizontally across the narrow street with each end resting on a windowsill. The fish hangs a horizontal distance of 7.0 cm from the windowsill on the right. If the axis of rotation for the stick is taken to be the end farthest from the fish, what is the magnitude of the torque produced by the fish? Assume the stick has negligible mass. Digital PhotographyWhat is the best way to light a subject against a white background?A) by lighting both the background and the subject separatelyB) by lighting the background but not the subjectC) by lighting the subject but not the background if anyone could help, would be much appreciated FILL IN THE BLANK. Public relations is most effective when it is a ______________ function, meaning it is part of an organization's overall leadership and decision-making process, helping to guide how the organization operates in its environment, rather than merely following the instruction of others. find the missing length indicated Topper Sports, Incorporated, produces high-quality sports equipment. The company's Racket Division manufactures three tennis rackets -the Standard, the Deluxe, and the Pro-that are widely used in amat To show that circle P Is similar to circle Q, circle P Is translated t units to the right. The Image Is then dilated about Its center by a scale factor of s.What are the values of t and s?T=S= Why is it a good laboratory skill to make multiple trials and average them? 6.17710 to the 4th power math how much is 37.4x2.2= ? Quick Loans will loan you $500 with the understanding that you will pay them $3.98 in interest for every day you have the loan out. What is the APR for this loan? 1) Imran did an experiment to see how changing the surface area of limestone affected the rate with which it reacts with hydrochloric acid. He timed how long it took for the reaction to produce 50 cm of carbon dioxide gas from which he could calculate the rate in cm of carbon dioxide produced per second. size time (s) rate (cm/s) large chips 150 0.33 a) What was the independent variable? b) What was the dependent variable? c) 1) List four variables that must be controlled. ii) Explain why they must be controlled. small chips 110 powder 15 d) Complete the table by calculating and filling in the missing rates. e) Which had the biggest surface area, large chips, small chips or powder? f) What is the relationship between the surface area and the time the reaction takes? . g) What is the relationship between the surface area and the reaction rate? h) Explain why changing the surface area affects the reaction rate in this way. What is the slope of the line that passes through the points (4,10)(4,10) and (7,19)(7,19)? The Picture and Sound electronics store has hired Trevor to work in the warehouse. He uses a pulley with a hand crank to lift heavy boxes. There is a proportional relationship between the number of times Trevor turns the crank to lift a box, x, and the height the box has been lifted (in feet), y. The equation that models this relationship is y=0.6x.How high does Trevor lift a box by turning the crank 10 times? Write your answer as a whole number or decimal. Use the following information to answer the following question:The following are properties or characteristics of different chemicals compounds:1. Polyatomic2. Metalloid3. Acid4. High Melting Point5. Soluble in Water6. Contain Anions and Cations7. MultivalentNumerical ResponseThe properties listed above that would apply to (NH4)2CO3 would be whatrecord answers from the lowest to highest values. Rafael wants to find the slope of the line Find the equation of the exponential function represented by the table below Shelby is playing hide-and-seek with Dillon and Patty. Dillon is hiding 15 meters south of Shelby, and Patty is hiding due east of Dillon. If Shelby is 17 meters from Patty, how far apart are Dillon and Patty? meters= ? The students in Mrs. Holbrooks class are growing plants. One day they measured the heights of the plants in inches. Make a line plot to represent the data