Please help i’m so confused !!

Please Help Im So Confused !!

Answers

Answer 1

Answer: 40.24

Step-by-step explanation: Use the Pythagorean Theorem

a^2 + b^2 = [tex]\sqrt[2]{c}[/tex]

36^2 + 18^2 = [tex]\sqrt[2]{1620}[/tex]

1296 + 324 = 1620

[tex]\sqrt[2]{1620}[/tex] = 40.24


Related Questions

The ratio of the measures of two complementary angles 7:8 what is the measure of the smallest angle?

Answers

Answer: 84

Step-by-step explanation: so 7:8 increased by some number is 180 degrees. add 7 and 8 to get 15. 180/15 is 12 so x = 12 7*12 is 84.

Describe the relationship between the lines.
1. The lines intersect to form an angle that is 180°
2. The lines intersect to form an angle that is 90°
3. The lines do not intersect.
4. The lines intersect to form an angle that is not 90°

Answers

The answer is 3. They do not touch.

A function is represented by the graph.

Complete the statement by selecting from the drop-down menu.

The y-intercept of the function y = 3x + 2 ​​​is
Choose...
the y-intercept of the function represented in the graph.
A graph with a line through point (0, 2) and point (2, 6)

Answers

We want to finish each statement by analyzing the graph provided.

The function's y-intercept is y =2.

y = 3x+2 is the equation.

The line connects (0, 2) and (2, 6).

What is meant by a function?

The earliest known attempt to the concept of function may be traced back to the works of Persian mathematicians Al-Biruni and Sharaf al-Din al-Tusi. Functions were initially the idealization of how a variable quantity depended on another quantity. The position of a planet, for example, is a function of time.

So, first, we need to find the y-intercept. We know that the y-intercept is the y-value at which the function intersects the y-axis, and we can see from the graph that the y-intercept is y = 2.

Then we'd like to see the line's equation.

Remember that y = ax + b is a generic line.

Where a denotes the slope and b the y-intercept, we may deduce:

y = ax + 2

We know that if a line passes through two points (x₁, y₁) and (x₂, y₂), then the slope is:

a=(y₂-y₁)/(x₂-x₁)

Given that the line passes through (0, 2) and (-2/3, 0), the slope is as follows:

a=(-2/3)/(-2)

a=1/3

The equation of the line is:

y =3x+2

And using that equation, we can show that the line does indeed pass through the points (0, 2) and (2, 6)

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Select the price per unit in blanks a. And b, and choose which is the best buy. A. Tomato juice, 46 oz. Can for $2. 53 would = b. Tomato juice, 6-pack of 10 oz. Cans for $4. 50 would = c. The best buy would be.

Answers

The first deal in which 1 can costs $0.055, is the best buy as it costs $0.020 less than the second deal in which 1 can costs $0.075.

Given, A Tomato juice 46 oz. Cans cost $2. 53

B Tomato juice 6-pack of 10 oz. Cans costs $4. 50

we have to find the best buy between the given two.

In first case,

46 cans cost $2.53

46 cans = $2.53

1 can = 2.53/46

1 can costs $0.055

In second case,

60 cans cost $4.50

60 cans = $4.50

1 can = 4.50/60

1 can costs $0.075

So, it is clear that first deal in which 1 can costs $0.055, is the best buy as it costs $0.020 less than the second deal in which 1 can costs $0.075.

Hence, the first deal in which 1 can costs $0.055, is the best buy as it costs $0.020 less than the second deal in which 1 can costs $0.075.

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13. A hardware store sells many different sizes of chains. The price of each chain is determined by
its length. The table below shows the price for different lengths of chain.
Price of Chains
Length
(ft)
1.8
3
$1.35
$2.25
$2.55
6.2
$4.65
Which equation best represents the relationship between x, the length of the chain in feet,
and y, the price of the chain?
Price
3.4

Answers

The equation y=0.75x is the relationship between x, the length of the chain in feet, and y, the price of the chain.

What is slope intercept form of line?

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

Given that hardware store sells many different sizes of chains.

The price of each chain is determined by its length.

From the table we need to find the equation  best represents the relationship between x, the length of the chain in feet, and y, the price of the chain.

Let us find this by taking 0.75 as x and multiplying with lengths to get the price.

1.8×0.75=1.35

3×0.75=2.25

3.4×0.75=2.55

6.2×0.75=4.65

y=0.75x.

Hence, y=0.75x is equation best represents the relationship between x, the length of the chain in feet, and y, the price of the chain.

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Researchers at the Washington University School of Medicine randomly placed 480 rats into one of three
chambers containing radio antennas. one group was exposed to digital cell phone radio waves the second
to analog cell phone waves and the third group to no waves. two years later the rats were examined for
signs of brain tumors. in June 2002 the scientist said that differences among the three groups were not
statistically significant.
a) is this a study or an experiment? explain
b) explain in this context what "not statistically significant" means.
c) comment on the fact that this research was funded by Motorola, a manufacturer of cell phones.

Answers

The answer to following questions are as follows:-A)experiment

B)meaning “statistically non significant” C)explained below

What is a wave?

A wave is a dynamic disturbance that propagates over one or more quantities in the domains of physics, mathematics, and allied sciences. When waves are periodic, those parameters repeatedly oscillate around an equilibrium value at a certain frequency.

The answers are: a) It is an experiment since some claims are not supported by evidence.

b) When the analysis reveals that there are substantial variations between the observed, "not statistically significant" refers to "statistically non significant." And we are unable to analyse any of the statistics' results.

c) The fact that Motorola, a cell phone company, funded this research reveals to us that this claim is untrue because Motorola conducts this research to boost their sales.

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A cylinder has a base radius of 6ft and a height of 18ft. What is its volume in cubic ft, to the nearest tenths place?.

Answers

2034.72ft³ is the required cylinder volume.

What do we mean by the volume of the cylinder?

The capacity of a cylinder determines how much material it can carry, or we may say that the volume of a cylinder is the total number of unit cubes that can fit inside of it.

The volume of a cylinder is r²h, and its surface area is 2πrh+2πr².

The volume of cylinder Formula: V = A × h

We will assume the cylinder is a right circular cylinder.

Then, we have the formula:

V = πr²h

We already know:

Radius = 6ft

Height = 18ft

Now, calculate the volume as follows:
(V) = π× 6² × 18

(V) = 2034.72ft³

Therefore, 2034.72ft³ is the required cylinder volume.

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Please Help!!! Hurry!!!

Answers

Answer: I think it's 2/5, it is closest to the answer I came up with

A store manager would like to set the three-digit code of the store's new safety vault. How many possible 3-digit code choices does he have if he can pick digits from 0 to 9 with repetition allowed?.

Answers

Answer: 270 I think

Step-by-step explanation:

try it you can get this right

Alr last 1 HELP ME OUT……..

Answers

Answer: 89.7

Step-by-step explanation:

Find the radius of the cirlce

Answers

Answer:

R= 2sqrt(13) = about 7.2

Step-by-step explanation:

D^2= 12^2 + 8^2

 = 144+64=208

D=4sqrt(13)

R= D/2= 2sqrt(13)

: a marketing manager for a phone company claims that the percentage of children aged 8-12 who have phones differs from 52%. in a survey of 832 children aged 8-12 by the national consumers league, 449 of them had phones. can you conclude that the manager's claim is true? use the

Answers

The percentage of children aged between the ages of 8 - 12 who own phones are, in fact, lower than the 52% industry average. Of the 832 children aged 8 to 12 who were questioned by the national consumer league, 449 had cell phones.

You must use survey data to calculate the percentage of youngsters between the ages of 8 as well as 12 who own phones to ascertain whether the commercial manager's assertion is accurate. To achieve this, divide the total number of children polled (832) by the total number of kids who own phones (449), multiply the outcome by 100 to get the percentage, and so on.

This estimate gives a percentage of 53.8%, which is slightly higher than the advertising manager's stated figure.

This implies that the claim made by the management could not be genuine, and more investigation would be required to ascertain if it is real or not.

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E. Realiza las divisiones de polinomio

a) (15a²-a-28)÷(3a + 4) =

Answers

Given that the dividend is 15a²-a-28 and the divisor is 3a+4, the quotient will be 5a-7 and the remainder will be 0.

What is polynomial?

A multi-term algebraic statement is referred to as a polynomial. It contains exponents, coefficients, variables, constants, and arithmetic operators. It uses a polynomial long division algorithm to divide the polynomials. It is the long division technique in a more generalized form. In this method, a polynomial is divided by other polynomials of the same degree or lower. Synthetic division method is a simple and quick technique that is occasionally employed as well.

Here,

dividend=15a²-a-28

divisor=3a+4

remainder=0

15a²-a-28=(3a+4)(5a-7)

quotient=5a-7

The quotient will be 5a-7 and remainder will be 0 as dividend is 15a²-a-28 and divisor is 3a+4.

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The city council voted on a new tax. 63 council members voted in favor of the tax. The
council has 90 members. What percentage of the council members voted in favor of the tax?
Write your answer using a percent sign (%).

Answers

Answer: 70%

Step-by-step explanation:


Let f(x) = -3x² - 1 and g(x) = -5x. Find f(g(x)).
-15x²-1
0-75x²-1
15x²+5
15x² + 5x

Answers

Answer:

[tex] \huge{ \boxed{f(g(x)) = - 75 {x}^{2} - 1}}[/tex]

Step-by-step explanation:

To find f(g(x)), substitute g(x) into f(x). That is for every x found in f(x), replace it by g(x) and solve.

[tex]f(x) = - 3 {x}^{2} - 1 \\ g(x) = - 5x[/tex]

[tex]f(g(x) )= - 3 ({ - 5x})^{2} - 1 \\ = - 3(25 {x}^{2} ) -1 \\ = - 75 {x}^{2} - 1 \: \: \: \: \: \: [/tex]

We have the final answer as

[tex] \bold{f(g(x)) = - 75 {x}^{2} - 1}[/tex]

Evaluate the expression for n = 2 and p = –6.

np + n =

Answers

Answer: -10

Step-by-step explanation:

Substitute the numbers in for the variables.

np + n = (2)(-6) + 2

-12 + 2

-10

Can someone Explain to me how to do this step by step

Answers

The diameter of IC 1101 is 50 times greater than the diameter of the Milky way.

What does diameter mean?

Diameter is a measurement that goes all the way around from starting point to the end point.

Given, the largest galaxy IC 1101 has a diameter of 5 * 10²² and the Milky way has a diameter of 1 * 10²¹.

Diameter of IC 1101 = 5 * 10²²

Rearranging the above term;

Diameter of IC 1101 = 1 * 5 * 10²¹ * 10

Diameter of IC 1101 = 1 * 10²¹ * 50

Diameter of IC 1101 = 50 * diameter of Milky way

Therefore, the answer is 50 times.

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If there are 39 students and 4 have blue eyes what is the fraction?

Answers

Answer:

  4/39

Step-by-step explanation:

You want to know the fraction of 39 students represented by the 4 that have blue eyes.

Fraction

The fraction is the ratio of the part of interest to the whole.

  (students with blue eyes)/(total number of students) = 4/39

The question is below! Will mark brainliest! Best answer!

Answers

Answer: 315 children and 15 adults

Step-by-step explanation:

15 x 21 = 315
315 + 15 = 330
c = 315
a = 15

Assume Waterland and Aquataste make a nonbinding, informal agreement that each will produce 250 gallons of water, charge $1.50 per gallon, and evenly split the profit of $750.
If Aquataste sticks to the agreement, Waterland has an incentive to renege on the agreement by producing 350 gallons because Waterland's profits would then increase from $375 to ______
If Aquataste reneges on the agreement and produces 350 gallons, Waterland has an incentive to renege on the agreement by producing 350 gallons because Waterland's profits would increase to _____, which is better than the $312.50 Waterland would earn by sticking with the agreement.
$437.50
If one cheats they will get sell 350 gallons at the new market price of $1.25 (now a total qty of 250+350=600). $1.25*350=$437.50
$350
If Waterland also reneges and produces 350, market qty supplied is now 700 and price is $1. Each firm earns profit of $350 ($1*350). This is better for waterland than before since they were selling the 250 gallons at $1.25 (Profit = 250*1.25=312.50)

Answers

If Aquataste sticks to the agreement, Waterland has an incentive to renege on the agreement by producing 350 gallons because Waterland’s profits would then increase from $375 to $525.

If Waterland and Aquataste both produce 250 gallons each and charge $1.50 per gallon.

There would be 500 gallons in total, and the total revenue would be

$1.50 × 500 = $750

which when shared equally between Waterland and Aquataste would result in each of them getting $375 each.

But if Aquataste sticks to the agreement, Waterland has an incentive to renege on the agreement by producing 350 gallons, still charging $1.50 and Waterland’s profits would then be

$1.50 × 350 = $525

If one cheats they will get sell 350 gallons at the new market price of $1.25 '.

Then, a total quantity of 250+350=600.

Total profit $1.25 × 350 = $437.50

If Waterland also reneges and produces 350, market qty supplied is now 700 and price is $1. Each firm earns profit of $350 ($1*350). This is better for waterland than before since they were selling the 250 gallons at $1.25

Therefore, Profit = 250 × 1.25

                           =312.50

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Please Simplify
√81x2

Answers

Square root of 81 is nine Answer 18

Answer:

18

Step-by-step explanation:

1)since 9*9 = 81 the square root of 81 is  9

9*2

2)simplify

18

a study of 1000 randomly selected flights of a major airline showed that 798 of the flights arrived on time.what is the probability of a flight arriving on time?

Answers

By using the concept of probability, it can be calculated that

Probability that the flight arrives on time =  [tex]\frac{399}{500}[/tex]

What is probability?

Probability gives us the information about how likely an event is going to occur

Probability is calculated by Number of favourable outcomes divided by the total number of outcomes.

Probability of any event is greater than or equal to zero and less than or equal to 1.

Probability of sure event is 1 and probability of unsure event is 0.

Total number of flights = 1000

Number of flights arriving on time = 798

Probability that the flight arrives on time = [tex]\frac{798}{1000}[/tex]

                                                                   = [tex]\frac{399}{500}[/tex]

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The wholesale cost of a dining room table at a fumiture store is $1,215.80. The markup for the table is 30%. What is the selling price of the dining room table?

Answers

Answer

$1,580.54

1215.80×(1+0.3)= 1580.54

Solve for rrr.
Give an exact answer.
\dfrac12r-3=3\left(4-\dfrac32r\right)
2
1

r−3=3(4−
2
3

r)start fraction, 1, divided by, 2, end fraction, r, minus, 3, equals, 3, left parenthesis, 4, minus, start fraction, 3, divided by, 2, end fraction, r, right parenthesis
r =r=r, equals

Answers

The solution for r in the equation is r = 3

How to determine the solution for r in the equation?

From the question, we have the following parameters that can be used in our computation:

\dfrac12r-3=3\left(4-\dfrac32r\right)

Rewrite the above expression properly, as a fraction

So, we have the following representation

1/2r - 3 = 3(4 - 3/2r)

To start with, we need to open the brackets

So, we have the following representation

1/2r - 3 = 12 - 9/2r

Next, we multiply through by 2 to eliminate the fraction

This gives

r - 6 = 24 - 9r

Solving further, we collect the like terms

So, we have

r + 9r = 24 + 6

Evaluate the like terms

10r = 30

So, we have

r = 3 --- by dividing both sides by 10

Hence, the solution is 3

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an air plane is flying at a height of 6 miles on a flight path that will take it directly over a radar tracking station. the distance d between them is decreasing at a rate of 400 miles per hour when the distance between them is 10 miles. what is the speed of the plane?

Answers

500 mph is the speed of the plane.

This creates a right triangle, with the distance between the plane and the radar station serving as the hypotenuse (s). Let y represent the plane's height and x represent its flight route.

s2 = y2 + x2

Given: the constant value of y = 6

negative since decreasing, ds/dt = -400

Trying to locate dx/dt

Taking the implicit derivative of the above equation's two sides

0 + 2xdx/dt = 2sds/dt

(S/X) ds/dt = dx/dt

When x = 8

s = √(62+82) = √100 = 10

dx/dt = (10/8)(-400) = -500 mph, or 500 mph traveling toward the radar station at a distance of 6 miles.

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at a certain university in the u.s., all phone numbers are 7-digits long and start with either 824 or 825. 1) how many different phone numbers are possible?

Answers

There are 20,000 different phone numbers possible that is 7-digits long and start with either 824 or 825.

Fundamental Principle of Counting, also called the counting rule, is the method to count how many ways multiple independent events can occur.

Based on the given information, all phone numbers are 7-digits long and starts with either 824 or 825. Hence, the four last digits will be the combination of numbers from 0 to 9.

Thus, by Fundamental Principle of Counting, the number of possible outcomes is 20,000.

= (number of phone numbers starting with 824) + (number of phone numbers starting with 825)

= (10 x 10 x 10 x 10) + (10 x 10 x 10 x 10)

= 20,000

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the arithmetic progressions{2,5,8,11, . . .}and{3,10,17,24, . . .}have some common values. what is the largest value less than 500 that they have in common?

Answers

The largest value less than 500 that both sets have common is 479.

We have given two arithmetic progression such that,

{2,5,8,11,...} and {3,10,17,24,...}

and we have to find the largest value less than 500 that they have in common.

We know the formula for the nth term of the arithmetic progression,

i.e, an = a + (n - 1)d

for the arithmetic progression {2,5,8,11,...} the formula become

am = 2 + (m - 1)3 ----------- (1)

and for the arithmetic progression {3,10,17,24,...} the formula become

an = 3 + (n - 1)7 ------------- (2)

by solving for m and n we get,

m = 160 and n = 69

so equation (1) implies that,

a(160) = 2 + (159)3 = 479

this is the 160th term in the 1st arithmetic progression

and equation (2) implies that,

a(69) = 3 + (68)7 = 479

this is the 69th term in the 2nd arithmetic expression.

Therefore, the value which less than 500 that both the progressions have in common is 479.

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select the first correct reason why the given series converges. a. convergent geometric series b. convergent p series c. comparison (or limit comparison) with a geometric or p series d. alternating series test e. ratio test

Answers

Because it diverges using a comparison test, the correct answer is an option (E).

What is a comparison test?

The comparison test, also known as the direct comparison test to distinguish it from other closely related tests, offers a method for determining whether an infinite series or an improper integral will converge or diverge.

The test is effective in both situations by contrasting the given series or integral with one whose convergence characteristics are known.

So, refer to the image attached below.

According to the image which has the reason for convergence and divergence, we know that the correct answer would be option (E).

The reason is the comparison test.

Therefore, because it diverges using a comparison test, the correct answer is an option (E).

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Which expression is equal to (3x − 4)(2x − 5)?
-
O 3x²
-
23x - 20
O 6x² - 7x+20
O 6x²-23x+20
O 6x² - 23x - 20

Answers

c. 6x^2-23x+20 is the answer

a number, y, is equal to twice the sum of a smaller number and 3. the larger number is also equal to 5 more than 3 times the smaller number. which equations represent the situation? 2 x minus y

Answers

The equations represent the given situation is:

2x - y = -6

3x - y = -5

where, x is the smaller number and y is the larger number.

Let the smaller number be x.

We have been given a number, y, is equal to twice the sum of a smaller number and 3

So, we get an equation,

y = 2(x + 3)

y = 2x + 6                        

2x - y = -6

The larger number is also equal to 5 more than 3 times the smaller number.

So, we get an equation,

y = 5 + 3x                        

3x - y = -5

Therefore, the equations represent the situation:

2x - y = -6

3x - y = -5

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