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2 years ago

An athlete ran 800 meters in 160 seconds. What was his rate in meters per minute? Enter your answer in the box.

Mathematics

1 answer:

FromTheMoon [43]2 years ago

3 0

The athlete's average speed was 300 meters/minute.

<h3>How to calculate the speed of the athlete?</h3>

To calculate the speed of the athlete we must perform the following operations.

Divide the distance into the total time:

800m ÷ 160sec = 5m/sec

Transform the value from seconds to minutes, for which we must multiply 5 by 60 because each minute is made up of 60 seconds.

5m/sec × 60sec = 300m/min

According to the above, the average speed of the athlete is 300m/min.

Learn more about speed in: brainly.com/question/7359669

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Quickly solve (x+7)2=121, for x. Graph the solution on a number line.

asambeis [7]

Answer:

The value of the x is 53.5 or x=53.5

Step-by-step explanation:

Given data in the question:-

$(x+7)2=121$

We have to find the value of x.

Solution:-

$(x+7)2=121\\=>2x+14=121\\=>2x=121-14\\=>2x=107\\=>x=107/2\\=>x=53.5\\$

Hence the answer is 53.5

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3 years ago

Ryan and Khalil each have their own savings. Together, they borrowed $72 from a friend to buy a gift for their coach. Each has t

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3 years ago

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Can somebody please help me!!

xxMikexx [17]

So to solve for x, you'll need to combine all the angles and equal it to 720, and from there we can solve.

$120+100+120+x+10+120+x=720$

Combine like terms to get $2x+470=720$

Subtract 470 on each side to get $2x=250$

Then just divide on each side and you'll get $x=125$

To find the value of the (x+10) angle, just substitute 125 for x and solve.

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3 years ago

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3p - 2(p-4) = 7p + 6

Serggg [28]

For this case we must find the value of the variable "p" of the following equation:

$3p-2 (p-4) = 7p + 6$

We apply distributive property on the left side of the equation taking into account that $+*-=-$ and $- * - = +$ :

$3p-2p + 8 = 7p + 6$

We add similar terms:

$p + 8 = 7p + 6$

We subtract $7p$ from both sides of the equation:

$p-7p + 8 = 6\\-6p + 8 = 6$

We subtract 8 from both sides of the equation:

$-6p = 6-8\\-6p = -2$

We divide by -6 on both sides of the equation:

$p = \frac {-2} {- 6}\\p = \frac {1} {3}$

Answer:

$p = \frac {1} {3}$

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3 years ago

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VikaD [51]

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then multiply that number by 100 to get the percent, .2*100=2

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3 years ago