MATHEMATICS HIGH SCHOOL

jamie is running a race that is 26.2 miles long and she is running at a speed of 8 miles per hour. she has completed 3/4 of the race already.How much longer will it take her to finish the race?

Answers

Answer 1
Answer:

Answer:

  49 1/8 minutes

Step-by-step explanation:

Jamie has 1/4 of the 26.2 mile distance to go, so must finish ...

  (26.2 mi)/4 = 6.55 mi

The time in hours required to do that is found by dividing distance by speed:

  time = distance/speed = (6.55 mi)/(8 mi/h) = 0.81875 h

In minutes, this is ...

  (0.81875 h)×(60 min/h) = 49.125 min = 49 1/8 min

It will take Jamie 49 1/8 minutes to finish the race at her current speed.
Answer 2
Answer: 49 1/8 minutes is how long......

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How many seconds in 10 minutes??

Answers

in 10 minutes it 600 seconds 

How to solve this system of equation 3x + y= 17 and 4x + 2 y = 20

Answers

3x + y= 17        (a)
4x + 2 y = 20    (b)

Multiply (a) by 2:

6x + 2y = 34   (a)
4x + 2y = 20   (b)

make:   (a) - (b)

2x = 14 -----> x =7

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Replace the value of x = 7 in one of anterior equation:

3x + y= 17  
3 x 7 + y = 17
21 + y = 17
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A pelican consumes 33 1/3% of its body weight in one meal. Write this percent as a fraction in simplest form.

Answers

33(1)/(3)\%=(33\cdot3+1)/(3)\%=(99+1)/(3)\%=(100)/(3)\%\n\n\n\n(100)/(3)\%=(100)/(3):100=(100)/(3)\cdot(1)/(100)=(1)/(3)

Answer:1/3

Step-by-step explanation:

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