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3 years ago

12

a team of 4 people participate in a 400-yard relay race each team member runs the same distance the team completes the race in 5

3.2 seconds what is the average running time for each person

1 answer:

Korvikt [17]3 years ago

6 0

13.3s you take 53.2 and divide it by the total number of people making it an average of 13.3 per 100m

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In physics, Boyle’s law states that if the temperature is constant, then the pressure, P, of a gas is inversely proportional to

VMariaS [17]

The constant of proportionality for this situation is 425

Step-by-step explanation:

When a quantity is inversely proportional with another quantity, then

the product of the two quantities is constant

1. If y is inversely proportional with x

2. Then y ∝ $\frac{1}{x}$

3. that mean y = $\frac{k}{x}$ where k is the constant of variation

4. Then xy = k

∵ In physics, Boyle’s law states that if the temperature is constant

∵ The pressure, P, of a gas is inversely proportional to the volume,

V, of the gas

∴ P ∝ $\frac{1}{V}$

∴ P = $\frac{k}{V}$

∵ The pressure of the gas in a cylinder is equal to 250 kilo pascals

∵ The volume of the container is 1.7 cubic meters

- Substitute these values in the rule of variation to find k

∴ 250 = $\frac{k}{1.7}$

- Multiply both sides by 1.7

∴ k = 425

The constant of proportionality for this situation is 425

Learn more:

You can learn more about proportion in brainly.com/question/10708697

#LearnwithBrainly

4 0

3 years ago

Otto spent 3/4 of the money he had saved on a new video game. If the video game cost $48, how much money did he have before he b

quester [9]

Answer: $64

Step-by-step explanation:

Given: The part of money he spent =3/4

Let the total money Otto has be 'x'.

Then according to the question, we have

$\frac{3}{4}x=48$

Multiply 4 on both the sides, we get

$3x=48\times4$

Divide 3 on both the sides, we get

$x=\frac{48\times4}{3}\\\\\Rightarrow\ x=64$

Hence, the money he had before he bought the game = $64

5 0

3 years ago

Read 2 more answers

Evaluate the expression <br>|23-4| <br>-21<br>-7<br>19<br>27<br>

Artemon [7]

Answer: 19

Step-by-step explanation:

8 0

3 years ago

Find the perimeter of a regular polygon with an interior angle of 90° and side length 3.5 ft.

PSYCHO15rus [73]

Answer:

p=14 ft

Step-by-step explanation:

The figure that meets these conditions is the square

The perimeter:

4(3.5) = 14 ft.

Hope this helps

6 0

2 years ago

What is the area, in square units, of the parallelogram shown below?

sashaice [31]

D is you answer bud yoo 7$()6

3 0

3 years ago