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4 years ago

This year the winner of the New York Marathon ran the 8-kilometer event in 24 minutes. What is the runner’s unit rate?

Mathematics

2 answers:

tatuchka [14]4 years ago

7 0

Answer:

0.33 repeating kilometers per minute. 1km/3min

Keith_Richards [23]4 years ago

4 0

8km - 24 minutes, to find the unit rate (how long it took to run 1km)

We would make a ratio,

8:24

Now just simplify,

8:24

1:3

Therefore the unit rate would be 1 kilometer covered for every 3 minutes.

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Find the scale factor that was used to create the dilaton below

Ne4ueva [31]

Let:

$k\cdot IW=I^{\prime}W^{\prime}$

Where:

k = scale factor

IW = 12

I'W'= 8

so, solving for k:

$\begin{gathered} k=\frac{I^{\prime}W^{\prime}}{IW} \\ k=\frac{8}{12}=\frac{2}{3} \end{gathered}$

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1 year ago

QUICK PLEASE!! -5.6 = h/5 + 12.2 show steps!

BaLLatris [955]

Answer: h = 89

Step-by-step explanation: Hope correct :)

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3 years ago

Read 2 more answers

hram777 [196]

Answer:

D: x < 20

Step-by-step explanation:

-4x + 16 > -64

subtract 16 from both sides because you must isolate x.

-4x + 16 - 16 > -64 - 16

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Then divide -4 on both sides... I believe that when you divide a number by a negative number you must flip the sign...

-4x/ -4 < -80/ -4

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(negative divided by a negative will result in a POSITIVE.)

Hope this helped... I truly apologize if this is wrong..

3 0

3 years ago

The length of the sides DEF are 12,16,and 20. Find the perimeter of the triangle formed by connection the midpoints of the sides

Mekhanik [1.2K]

Answer:

24 units

Step-by-step explanation:

According to the midsegment theorem, the length of each side of the formed triangle is the half the parallel side of DEF.

So the perimeter is:

P = 1/2(12 + 16 + 20) = 24

6 0

2 years ago

Deja has two baskets of berries. One of the baskets has 3 3/8 pounds of berries and the other basket has 2 7/8 pounds of berries

ElenaW [278]

Answer:

(b) The number of pounds of berries each person would receive is $1\frac{5}{8}$ pounds.

Step-by-step explanation:

The amount of berries in first basket = 3 3/8 pounds

Now, $3\frac{3}{8} = 3+\frac{3}{8} = 3 + 0.375 = 3.375$

So, the amount of berries in first basket = 3.375 pounds

The amount of berries in second basket = 2 7/8 pounds

Now, $2\frac{7}{8} = 2+\frac{7}{8} = 2 + 0.875 = 2.875$

So, the amount of berries in second basket = 2.875 pounds

Now, the total berries = Berries in ( First + Second) basket

= 3.375 pounds + 2.875 pounds

= 6.25 pounds

So, the number of pounds each person would have = $\frac{\textrm{Total weight of viable berries}}{\textrm{4}} = \frac{6.25}{4} = 1.5625$

Now, $1.5625 = 1 + 0.5625 = 1 + \frac{5625}{10000} = 1 + \frac{5}{8} = 1\frac{5}{8}$

So, the number of pounds of berries each person would receive is $1\frac{5}{8}$ pounds.

7 0

3 years ago