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Citrus2011 [14]
3 years ago
11

Mary ran at a steady speed in a 10-mile race. Her finish time was 2 hours. Mary can bike the same

Mathematics
1 answer:
denpristay [2]3 years ago
7 0

Answer:10/2

Step-by-step explanation:

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a rocket is 1 mile above thw earth in 30 seconds and 5 miles above the earth in 2.5 minutes what is the rockets rate of change i
Veronika [31]
Rate of Change:

At 1 mile in 30 seconds.
At  5 miles in 2.5 minutes.  2.5 minutes = 2.5*60 = 150 seconds.

Rate of change =   Change in height / Change in time

                            =   (h₂-h₁)/(t₂-t₁)

                            =   (5 -1) /(150 -30) = 4/120 = (1/30) = 0.0333 miles per second.

                             = (1/30) miles per second or 0.0333 miles per second.


To have the answer in miles per minute.

         (1/30) miles per second = (1/30) miles/second.

60 seconds = 1minute
1 second = (1/60) minute.

(1/30) miles/second  =  (1/30) miles/(1/60)minute
                                   =   (1/30) *60 miles / minute
                                   =    2 miles per minute.
8 0
3 years ago
The answer and how to do it.
Kruka [31]

let x = orginal price of the shorts

$21 = x(100%-20%) * 1.05

$21 = x(80%) * 1.05

$21 = 0.8x * 1.05

Subtract 1.05 from both sides

$19.95 = 0.8x

Divide 0.8 from both sides

$24.9375 = x

So the orginal price of the shorts are about $24.94

4 0
3 years ago
#1: 36 in.=__________ft?
KatRina [158]
1. 3 foot
2. 4 yard
3. 1 yard
4. 4 foot
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3 years ago
How many terms in 2-8+22<br> A. 1<br> B. 2<br> C. 3<br> D. 26
natima [27]

Answer:

6 is the answer.

is it right

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3 years ago
Use the spinner below to determine the the probability of each of the events. Make sure you write fractions in the form of #/# w
Helga [31]

Answer:

We need a picture to help you. I'm sorry :(

3 0
2 years ago
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