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3 years ago

Owen runs 37 miles every 2 weeks. Enter the number of miles Owen runs in 12 weeks

Mathematics

1 answer:

Shtirlitz [24]3 years ago

3 0

I think it’s 222 because he runs 18.5 miles every week and 18.5 x 12 = 222

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If you are 600 m from a batter when you see him hit a ball, how long will you wait to hear the sound of the bat hitting the ball

Molodets [167]

Answer:

The speed of sound at 20°C is 343.42 m/s.

You have to wait 1.75 seconds to hear the sound of the bat hitting the ball

Step-by-step explanation:

Speed of Sound

The speed of sound is not constant with temperature. Generally speaking, the greater the temperature, the greater the speed of sound.

The approximate speed of sound in dry air at temperatures T near 0°C is calculated from:

$\displaystyle v_{\mathrm {s} }=(331.3+0.606\cdot T )~~~\mathrm {m/s}$

The air is at T=20°C, thus the speed of sound is:

$\displaystyle v_{\mathrm {s} }=(331.3+0.606\cdot 20 )~~~\mathrm {m/s}$

$v_{\mathrm {s} }=343.42\ m/s$

The speed of sound at 20°C is 343.42 m/s.

To calculate the time to hear the sound after the batter hits the ball, we use the formula of constant speed motion:

$\displaystyle v=\frac{d}{t}$

Where d is the distance and t is the time. Solving for t:

$\displaystyle t=\frac{d}{v}$

Substituting the values v=343.42 m/s and d=600 m:

$\displaystyle t=\frac{600}{343.42}$

t = 1.75 s

You have to wait 1.75 seconds to hear the sound of the bat hitting the ball

6 0

3 years ago

What is the solution set to the equation (2x−4)(4x−5)=0?

STALIN [3.7K]

Answer: A. (5/4, 2)
Explanation:
2x-4=0
4x-5=0

2x=4
4x=5

x=2
x= 5/4

3 0

3 years ago

2m-nx=x+4 Solve for x

devlian [24]

X=2m-nx-4
If you need help just ask me.

5 0

3 years ago

Can someone pls help me . ASAPPP

STALIN [3.7K]

Volume without holes = 3 x 6 x 11 = 198 cubic inches.

Calculate volume of one hole:

3.14 x 0.5^2 x 3 = 2.355 cubic inches

There are 3 holes: 3 x 2.355 = 7.065

Subtract volume of the holes from the brick:

198 - 7.065 = 190.935 cubic inches.

Rounded to the nearest tenth: 190.9 cubic inches.

8 0

3 years ago

Read 2 more answers

11.4÷35.7 answer estimated (15 points)(brainliest included) (incorrect answer=report)

Gre4nikov [31]

Answer:

0.31932773109

Step-by-step explanation:

Set it up
Move the decimal point one place to the right for both of them
Then, do the long division
Keep adding zeros at the end until you have your answer
You can round it to 0.32 if you want

8 0

3 years ago