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o-na [289]
3 years ago
7

Geri is in a marathon race it took her 3 hours and 28 minutes to run 26 miles how many minutes did it take her to run 1 mike if

she ran at the same rate for the whole race
Mathematics
1 answer:
Ivan3 years ago
4 0

Answer:

It will take 8 minutes

Step-by-step explanation:

3 hours 28 minutes = how many minutes

3 hours * 60 minute/hour = 180 minutes

3 hours 28 minutes =180 +28 = 208 minutes


We can use proportions to solve

26 miles               1 mile

---------------    =   --------------

208 minutes           x minutes

Using cross products

26 * x = 208 *1

26x = 208

Divide by 26

26x/26 = 208/26

x = 8

It will take 8 minutes

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State whether the following number is divisible by 2,5, or 10. 215
adoni [48]

Answer

215 can only be divided by 5

4 0
2 years ago
calculate the rate of change <br> -24 ,60) ,( -34, 50<br> please help
VLD [36.1K]

Step-by-step explanation:

the rate of change is the slope of the line connecting both points.

the slope is the ratio y/x indicating how many units y changes, when x changes a certain amount of units when going from one point to another.

so, here

x changes by -10 units (from -24 to -34)

y changes by -10 units (from 60 to 50).

the slope or rate of change is -10/-10 = 1/1 = 1

4 0
2 years ago
Pls help see (pic posted)
PolarNik [594]

Answer:

<h2>AB=8.4 inches</h2><h2>AC=13.05 inches</h2>

Solution,

\frac{ab}{bc}   = tan \: 40 \\ ab = bc \times tan \: 40 \\ ab = 10 \times 0.84 \\ ab = 8.4 \: inches \:

\frac{bc}{ac}  = cos \: 40 \\  \frac{bc}{cos \: 40}   = ac \\ ac =  \frac{10}{cos \: 40}  \\ ac = 13.05 \: inches

Hope this helps...

Good luck on your assignment..

7 0
3 years ago
What is the value of x: -7x = -2x + 15​
Art [367]

Answer:

-3

Step-by-step explanation:

-7x=-2x+15

collect like terms

-7x+2x=15

-5x=15

divide both sides by -5

x=15/-5

x=-3

6 0
3 years ago
Read 2 more answers
1. You invest $2500 with annual interest rate of 4%. How much money will you have after 5 years?Use the following formula:A = P(
Yuki888 [10]

$ 3042

Explanation

we need to use the formula:

\begin{gathered} A=P(1+r)^t \\ \text{where} \\ \text{ P is the principal} \\ r\text{ is the rate ( in decimal)} \\ t\text{ is the time} \end{gathered}

Step 1

a)let

\begin{gathered} P=2500 \\ r=\text{ 4\% =}\frac{4}{100}=0.04 \\ r=0.04 \\ t=5\text{ ( years)} \end{gathered}

b) now, replace

\begin{gathered} A=P(1+r)^t \\ A=2500(1+0.04)^5 \\ A=2500(1.04)^5 \\ A=2500(1.2166) \\ A=3041.63 \\ \text{rounded} \\ A=3042 \end{gathered}

therefore, the answer is

$ 3042

8 0
1 year ago
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