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2 years ago

An athlete runs 1, miles in 7 minutes. At this rate, how long does it take the athlete to run 1 mile?

Mathematics

1 answer:

Igoryamba2 years ago

8 0

Answer:

My closest calculation is 74 minutes

Step-by-step explanation:

08 : 59.52

min : sec

Speed

0.1112 miles per minute

6.67 miles per hour

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A new car depreciates as soon as you drive it out of the parking lot. A certain car depreciates to half its original value in 4

Alexandra [31]

Answer:

Original price of car = $20,000

Step-by-step explanation:

Let the original price of the car be 'x' dollars.

Given:

Here, the depreciation of the car is occuring exponentially as the value depreciates to half in every four years.

Worth of car after 8 years = $5000

Value after depreciation in 4 years = Half of original value = $\frac{x}{2}$

So, value of car after depreciation in another 4 years = Half of the value after 4 years = $\frac{1}{2}(\frac{x}{2})=\frac{x}{4}$

Therefore, final depreciated value after 8 years is $\frac{x}{4}$ .

But, as per question, final depreciated value is $5000. Thus,

$\frac{x}{4}=5000\\x=5000\times 4\\x=20000$

Therefore, the original price of the car was $20,000.

3 0

3 years ago

What is the distance between -2 and - 1 1/2

kow [346]

The distance between -2 and -1 1/2 is 1/2:

-2+1/2=-1 1/2
-1 1/2 =-1 1/2
I was trying to show my work but hope this could help you

3 0

3 years ago

Can someone help me?

Citrus2011 [14]

If you look at the model RM is the same length as PM. PM=10 so RM=10.

3 0

3 years ago

Read 2 more answers

What is the answer for:<br> 1÷6 + √3

NikAS [45]

1.89871747424 heres the answer

3 0

3 years ago

Read 2 more answers

Choices;<br> a) 21.8°<br> b) 35.2°<br> c) 45.1°

kifflom [539]

Answer:

$\displaystyle a) \: {x}^{ \circ} = 21.8 ^{ \circ}$

Step-by-step explanation:

we are given opposite and adjacent

we want to figure out x°

remember that,

$\displaystyle \: \tan( \theta) = \frac{opp}{adj}$

where our opp is 5 and adj is 12.5

let $\theta$ be x°

$\displaystyle \: \tan( {x}^{ \circ} ) = \frac{5}{12.5}$

$\displaystyle \: {x}^{ \circ} = \arctan \left( \frac{5}{12.5} \right)$

by using calculator

$\displaystyle \: {x}^{ \circ} = 21.8$

hence,

our answer is a

6 0

3 years ago