Answer:
World's Fair. Is the correct answer
URGENT!! ILL GIVE BRAINLIEST! ALONG WITH 100 POINTS!!!!!!!!
Match the given information with the equation for the line
-5x + 3y = -12
y = 3/2 x - 8
2y-x = -4
Y= -3/4x-2
Answer:
1. y = 3/2 x - 8
2. 2y-x = -4
3. y = -3/4x-2
4. -5x + 3y = -12
A rectangular field is four times as long as it is wideIf the perimeter of the field is 300yards, what are the field's dimensions?
Answer:
Length = 120 yards, width = 30 yards.
Step-by-step explanation:
Lets use [tex]l[/tex] for length and [tex]w[/tex] for width.
The perimeter of a rectangular field is [tex]2l + 2w[/tex]. We can construct the following equations:
[tex]4w = l[/tex].
[tex]2l + 2w = 300.[/tex]
If we plug [tex]4w[/tex] in for [tex]l[/tex] into the second equation, we get:
[tex]2w + 2(4w) = 300.[/tex]
[tex]2w+8w = 300.[/tex]
[tex]10w = 300.[/tex]
[tex]w= 30.[/tex]
Plug 30 in for [tex]w[/tex] into the first equation.
[tex]l = 4*30 = 120.[/tex]
Length = 120 yards, width = 30 yards.
what is the radius of this shape?
Answer 7/12
Step-by-step explanation:
Answer:
Step-by-step explanation:
The radius is the length from the center dot to the circle.
They gave you the radius
r=6 1/4 in
To receive monthly payments of $1500 for 20 years, how much would a person have to invest now in an annuity with an annual interest rate of 3.1% to achieve this goal? Round the answer to the nearest dollar.
The person would have to invest approximately $461,044.94 now in an annuity with an annual interest rate of 3.1% to receive monthly payments of $1500 for 20 years.
To calculate the present value of an annuity, we can use the following formula:
[tex]PV = PMT \times \dfrac{(1 - (\dfrac{1}{(1 + r)^n})) }{ r}[/tex]
Where:
PV = present value of the annuity
PMT = monthly payment
r = annual interest rate
n = total number of payments
In this case, the PMT is $1500, the annual interest rate is 3.1%, and the number of payments is 20 years x 12 months per year = 240 payments.
First, we need to convert the annual interest rate to a monthly interest rate by dividing it by 12:
r = 3.1% / 12 = 0.2583%
Next, we can plug in the values and solve for PV:
PV = $1500 x [(1 - (1 / (1 + 0.2583%)²⁴⁰)) / 0.2583%]
PV = $1500 x [(1 - (1 / 1.002152²⁴⁰)) / 0.002583]
PV = $1500 x [(1 - (1 / 4.818681)) / 0.002583]
PV = $1500 x (0.7915 / 0.002583)
PV = $461,044.94
Therefore, the person would have to invest approximately $461,044.94 now in an annuity with an annual interest rate of 3.1% to receive monthly payments of $1500 for 20 years.
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A spinner was spun 900 times using Spin Spinner on the TI-84
calculator, with 1 representing blue, 2 representing purple, 3
representing green, and 4 representing red as shown
what was the experimental
probability of landing on green?
a 23.80%
b 26.80%
C 22.80%
d 24.80%
The experimental probability of the spinner landing on green is calculated as follows:
p = Number of times that the number 3 was generated/900 x 100%.
How to calculate a probability?A probability is calculated as the division of the desired number of outcomes by the total number of outcomes in the context of a problem/experiment.
A green result is obtained when the number on the calculator is of 3, hence the experimental probability of the spinner landing on green is calculated as follows:
p = Number of times that the number 3 was generated/900 x 100%.
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consider the following two claims about whether the government should do more to help the poor and middle class
. A adjusted for inflation, income has risen significantly over recent decades with average households income in the us rising nearly 30% over the time period.
claim 2. a adjusted for inflation, income has been relatively stagnant for more than three decades, with average household income in the us rising less that 10%over that time period
Therefore, it is clear that the government should do more to help the poor and middle class, as their incomes have been relatively stagnant for an extended period of time.
Both claims are true, depending on the time period being considered. If we look at the time period over the last few decades, then Claim 1 is accurate, as average household income has risen nearly 30% over the time period, adjusted for inflation.
However, if we look at the past three decades, then Claim 2 is more accurate, as average household income has only risen less than 10%, adjusted for inflation.
Therefore, it is clear that the government should do more to help the poor and middle class, as their incomes have been relatively stagnant for an extended period of time.
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Correct answer gets brainliest!! So please help!!
Answer:
b
Step-by-step explanation:just do it heh
Answer:
The Correct answer is D
the lower whiskers from 10 to 28
3. A 35 kg child on a 4.2 kg sled is sliding at 5.0 m/s, with negligible friction, along an icy, horizontal surface. As the sled passes underneath a tree, a 6.2 kg mass of snow falls vertically and lands on the moving sled. Calculate the final velocity of the sled. Calculate the final velocity of the sled. Show your work.
Answer:
The final velocity of the sled is 4.317 m/s.
Before the snow,
Total mass of sled = 35 + 4.2 = 39.2 kg
Initial velocity of the sled = 5 m/s
Momentum = Mass × Velocity
= 39.2 × 5
= 196 kg m/s
After the snow,
Total mass = 35 + 4.2 + 6.2 = 45.4 kg
Let v be the final velocity.
By the law of conservation of momentum,
Momentum before snow = momentum after snow
196 = 45.4 v
v = 4.317 m/s
Hence the final velocity is 4.317 m/s.
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I need help with his question it’s not 156 that’s all I know
Answer: B. 78
Step-by-step explanation:
Given:
BC=CD
all the other sides of each triangle are radii, so they are all equal the 2 triangles are congruent.
>Both angles A =78
An angle from the radius is the same as the arc angle it creates.
The arc angle is double only if the angle touches the end of the circle not the radius. that's why it's not 156
So, <BAC =78 so arc angle BC=78
Based on lofftings research the probability a tp ranked baseball player is left handed is 1 in 3How many lefties would you expect in a group of 15 top ranked baseball players.
The expected number of lefties top ranked baseball players in a sample of 15 top ranked baseball players, obtained from the 1 to 3 ratio of lefties to righties top ranked baseball players is 5 top ranked baseball players
What is a ratio?A ratio is a quantitative comparison between two values that indicates the number of times one quantity is contained in or can contain the other value or quantity.
The ratio or proportion of left handed top ranked baseball players = 1 in 3
Therefore, the ratio of lefties to righties top ranked baseball players = 1 : 3
The number of top ranked baseball players in the sample = 15
The number of the top ranked baseball players in the sample that are left handed is therefore;
Number of left handed baseball players in the sample = (1/3) × 15 = 5
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A company produces two products: A and B. The relative market values at the split-off point are not available. For every $300,000 of joint costs, Product A produces 10,000 pounds, and Product B produces 40,000 pounds. The amount of joint costs allocated to Product B using the physical quantities method is $
The joint costs allocated to Product B is $240,000.
What is amount of joint costs allocated to Product B?We must allocate joint costs based on the relative physical quantities produced by each product.
The total physical quantity produced by both products is:
= Quantity of A + Quantity of B
= 10,000 + 40,000
= 50,000 pounds
We will calculate the proportion of physical quantity produced by product A:
= Quantity of B / Total physical quantity
= 40,000 / 50,000
= 0.8
The amount of joint costs allocated to Product B is will be
= Total joint costs x Proportion of
= $300,000 x 0.8
= $240,000.
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i need answer for this +explanation i don't get it
Answer: 95 ft²
Step-by-step explanation:
To solve for the surface area, we will find the area of all the sides and then add them together. We see that we have a square as the base and 4 congruent triangles.
For the square:
A = LW
A = (5 ft)(5 ft)
A = 25 ft²
For one triangle:
A = [tex]\frac{BH}{2}[/tex]
A = [tex]\frac{(5\;ft)(7\;ft)}{2}[/tex]
A = 17.5 ft²
For all four triangles:
A = 17.5 ft² * 4 = 70 ft²
Total surface area by adding the triangles and square together:
70 ft² + 25 ft² = 95 ft²
Construct a 96% confidence interval about u if the sample size, n, is 57.
s=4.8
x=19.3
lower bound =
upper bound=
The 96% confidence interval for the population mean μ is approximately (18.06, 20.54).
We have,
To construct a 96% confidence interval about the population mean(μ) with a sample size of n = 57,
we can use the following formula:
CI = x ± z (s/√n)
where x is the sample mean, s is the sample standard deviation, n is the sample size, z is the z-score associated with the desired confidence level (96% in this case), and √n is the square root of the sample size.
The z-score corresponding to a 96% confidence level can be found using a standard normal distribution table or calculator.
For a two-tailed test, the z-score is 1.96.
Substituting the given values, we have:
CI = 19.3 ± 1.96 (4.8/√57)
Calculating the standard error of the mean (s/√n):
s/√n = 4.8/√57 ≈ 0.634
Substituting this value into the formula:
CI = 19.3 ± 1.96*0.634
Calculating the upper and lower bounds of the confidence interval:
lower bound = 19.3 - 1.96*0.634 ≈ 18.06
upper bound = 19.3 + 1.96*0.634 ≈ 20.54
Therefore,
The 96% confidence interval for the population mean μ is approximately (18.06, 20.54).
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To construct a 96% confidence interval for the population mean, use the formula x ± z*(s/√n) with z being the z-score for the 96% level, x being the sample mean, s being the sample standard deviation, and n being the sample size. Substituting the given values will give the lower and upper bound of the confidence interval.
Explanation:The question is asking for the construction of a 96% confidence interval for a population mean u, given a sample size (n) of 57, a sample mean (x) of 19.3 and a sample standard deviation (s) of 4.8.
To find the confidence interval, we need to use the formula: x ± z*(s/√n) where z is the z-score associated with our confidence level. For a 96% confidence interval, the z-score is approximately 2.05 (you can find this from a standard z-table).
Substituting the given values into the formula gives: 19.3 ± 2.05*(4.8/√57)
Calculating the above expression will give the lower and upper bound of the 96% confidence interval.
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folue the √(x-3) ³ - 64 equation √(ac-3)solve the equation
Solving the equation √(x - 3)³ - 64 = 0 for the variable x gives x = 19
Solving the equation for xFrom the question, we have the following parameters that can be used in our computation:
√(x - 3)³ - 64
Express as an equation
So, we have
√(x - 3)³ - 64 = 0
Add 64 to both sides of the equation
√(x - 3)³ = 64
Take the cube roots of both sides
So, we have
√(x - 3) = 4
Square both sides of the equation
This gives
x - 3 = 16
Add 3 to the equation
x = 19
Hence, the solution is x = 19
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M<2
Answers please the ask is in the picture
A rectangular room is 28 feet by 32 feet.
A scale drawing of the room has a perimeter is 12 inches.
What is the length of the shorter side of the room on the scale drawing?
The length of the shorter side of the room is 3.2 inches
What is the length of the shorter side of the roomFrom the question, we have the following parameters that can be used in our computation:
A rectangular room is 28 feet by 32 feet.
So, the perimeter is
P = 2 * (28 + 32)
Evaluate
P = 120
So, the scale factor from the room to the drawing is
Scale factor = 12/120 i.e. division of perimeters
So, we have
Scale factor = 1/10
The small length of the room is 32 feet
So, we have
Smaller length = 1/10 * 32
Smaller length = 3.2 inches
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Need help looking for the area.
The area under the curve (since the function of the parabolic expression is y = x - x²) is 1/6 square units.
What is a parabolic expression?A parabolic function has an expression represented as f(x) = ax² + bx + c, which allows solving for x using either the factorization method or applying the quadratic formula. By zeroing out this expression, it becomes possible to determine its roots as with any quadratic equation.
In the case of the above function:
To find the area under the curve, above the x-axis, we need to integrate the parabolic expression from 0-1
that is:
∫[0,1](x-x²)dx
This is evaluated using the power rule
∫[0,1](x-x²)dx = [1/2x² - 1/3x³) fro x= 0 to x = 1
inserting the limits of the integration, we have:
[1/2 (1) ² - 1/3 ( 1) ³] - [1/2 (0)² - 1/3 (0) ³]
Simplified, and we have :
Area = 1/2 - 1/3
Thus, Area under the curve = 1/6
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I am faster than the speed of
sound. I weigh nothing, but I
can fill a room. What am I?
Given:
m∠M=m∠J and MJ bisects LN
What triangle congruence criteria can be used to prove that ΔLKM≅ΔNKJ?
Selected Answer:
C. ASA
Answers:
A. SSS
B. SAS
C. ASA
D. AAS
The triangles Δ MNO and ΔXYZ are congruent to each other by AAS postulate as two corresponding angles and a corresponding side are equal to each other.
We have,
Two triangles are said to be congruent if the length of the sides is equal, a measure of the angles are equal and they can be superimposed.
Given that YO = NZ.
Consider YO = NZ
Now Add OZ on both sides
YO + OZ = NZ + OZ
YZ = NO
Consider triangles Δ MNO and ΔXYZ.
M ≅ X
N ≅ Y
YO ≅ NZ
Δ MNO ≅ ΔXYZ by AAS postulate.
Therefore, the triangles Δ MNO and ΔXYZ are congruent to each other by AAS postulate as two corresponding angles and a corresponding side are equal to each other.
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complete question:
The congruency of △MNO and △XYZ can be proven using a reflection across the line bisecting OZ. However, this congruency can also be proven using geometric postulates, theorems, and definitions. Prove that the triangles are congruent using a two-column proof and triangle congruency theorems.
Given: M ≅ X
N ≅ Y
YO ≅ NZ
Prove: △MNO ≅ △XYZ
In each of the following figure, O is the center of the circle.
Calculate the value of x.
0
136⁰
In the given diagram, using one of the circle theorems, the value of x is 68°
Circle Geometry: Calculating the value of xFrom the question, we are to calculate the value of x in the given diagram.
The diagram shows a circle with O. The angle subtended at the center is 136°. We are to determine the value of the unknown angle x.
From one of circle theorems, we have that
The angle subtended by arc at the center of a circle is twice the angle at the circumference.
Therefore,
We can write that
136° = 2x
Solve for x in the above equation
136° = 2x
Divide both sides of the equation by 2
136° / 2 = 2x / 2
68° = x
Hence,
x = 68°
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David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use a credit card. Past evidence indicates that 40% of all customers pay in cash. During a one-hour period, 15 customers buy gasoline at this station. What is the probability that more than 8 and less than 12 customers pay in cash?
The probability that more than 8 and less than 12 customers pay in cash is 0.376 or 37.6%.
What is the probability?The probability that more than 8 and less than 12 customers pay in cash is calculated using the binomial probability formula:
P(x) = (n choose x) * p^x * (1-p)^(n-x)where:
n is the number of trials = 15
x = customers who pay in cash
p = paying in cash, which is 0.4 according to the problem
The probability that more than 8 and less than 12 customers pay in cash. is the sum of the probabilities of 9, 10, and 11 customers paying in cash.
Using the binomial probability formula:
P(x) = (15Cx) * 0.4 * (1 - 0.4)¹⁵⁻ˣP(9) = 15C₉ * 0.4⁹ * 0.6⁶
P(9) = 0.212
P(10) = 15C₁₀ * 0.4¹⁰ * 0.6⁵
P(10) = 0.121
P(11) = 15C₁₁* 0.4¹¹ * 0.6⁴
P(11)= 0.043
Hence;
P(9 or 10 or 11) = 0.212 + 0.121 + 0.043
P(9 or 10 or 11) = 0.376
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K
In 2019, 2 out of every 5 members of an army reserve were female. There were 188,667 army reserve personnel that year. Estimate the number of
female members of the army reserve in 2019.
The approximate number of female members of the army reserve in 2019 was.
(Do not round until the final answer. Then round to the nearest whole number as needed.)
ew an example Get more help.
Clear all
Skill builder
Check answer
The approximate number of female members of the army reserve in 2019 was 75,467.
What is the number of female members in 2019?If 2 out of every 5 members of the army reserve were female, then the proportion of female army reserve personnel can be represented as:
= 2/5
= 0.4.
Now, we can multiply the proportion to total number of army reserve to get the number of female members which is:
= 0.4 x 188,667
= 75,466.80
= 75,467
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Identify the parts of the expression. Then write a word expression for the numerical or algebraic expression 1.5×6+8.3
The numerical value of the algebraic expression 1.5 × 6 + 8.3 is 17.3; The factors are 1.5 and 6 & the terms: 1.5 * 6 and 8.3
Identifying and solving the parts of the expressionFrom the question, we have the following parameters that can be used in our computation:
1.5 × 6 + 8.3
The above expression is an algebraic expression and as such the parts of the expressions are
Factors: 1.5 and 6Terms: 1.5 * 6 and 8.3When the expression is evaluated, we have
1.5 × 6 + 8.3 = 17.3
This means that the result of evaluating the expression 1.5 × 6 + 8.3 is 17.3
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Calculator What is the surface area of this rectangular prism? O 110 in² O 180 in² O200 in² O220 in² 10 in. 5 in.
The surface area of the rectangular prism is 220 square inches
What is the surface area of the rectangular prism?From the question, we have the following parameters that can be used in our computation:
5 in by 10 in by 4 in
The surface area of the rectangular prism is calculated as
Area = 2 * (5 * 10 + 5 * 4 + 10 * 4)
Evaluate
Area = 220
Hence, teh area is 220 square inches
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Explain how decimal place value is like place value with whole numbers. Use pictures or words to explain your thinking.
The Explanation of decimal place value is like place value with whole numbers is shown below.
We know,
Each place value to the left of a whole number is multiplied by ten, but a place value to the right of a decimal number is divided by ten.
For example,
We take whole number 254 where place values are
2- Hundred, 5- Tens and 4- Ones
and, take the decimal 2.369 where the place values are
3- Tenth, 6- hundredth and 9- thousandth
So, both decimal and whole number have similar concept of place value but one is multiplied by 10 and other is divided by 10.
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The base of a rectangular prism is 20 cm 2 . If the height of the prism is 5 cm, what is its volume
The volume of a rectangular prism would be 100 cubic cm.
Since we know that rectangular prism is a three-dimensional shape that has two at the top and bottom and four are lateral faces.
The volume of a rectangular prism=Length X Width X Height
We are given that base of a rectangular prism is 20 cm sq. . If the height of the prism is 5 cm, then;
Base area = 20 cm sq.
Height = 5 cm
Volume of a rectangular prism=Length X Width X Height
Volume of a rectangular prism= Base area X Height
Volume of a rectangular prism= 20 x 5
= 100
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I need help with this please
HELP PLEASEE
Find the value of x to the nearest tenth of a unit.
Check the picture below.
[tex]\tan(18^o )=\cfrac{\stackrel{opposite}{x}}{\underset{adjacent}{18}} \implies 18\tan(18^o)=x \implies 5.8\approx x[/tex]
Make sure your calculator is in Degree mode.
[tex]4√3[/tex]what is equivalent to 4 sqrt 3
The equivalent expression to 4√3 is √48 or 6.928.
What is the equivalent expression?
An equivalent expression is an expression that has equal value to the original given expression.
From the given expression, we can determine its equivalent expression as follows;
The given expression = 4√3
We can square 4 and multiply it by 3 and enclose all with the square root.
4√3 = √(4² x 3 )
= √ ( 16 x 3 )
= √ ( 48 )
= 6.928
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On your w-2 it states that you paid $12,042 in federal taxes. When filing your taxes and after all deductions, it says you should have paid $10,628 in federal taxes. How much is your tax refund? Please round to the nearest cent and do not put a dollar sign or spaces in your answer.
The amount of your tax refund is $1,414
how to determine how much is your tax refundTo find the tax refund, we need to subtract the amount of federal taxes owed after deductions from the amount of federal taxes already paid.
Tax refund = Federal taxes paid - Federal taxes owed after deductions
Tax refund = $12,042 - $10,628
Tax refund = $1,414
Rounding to the nearest cent, the tax refund is $1,414.00.
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