note2sethw note2sethw

02-01-2019
Mathematics

contestada

mary goes running each day. in 3 hours she runs a total of 7 miles. how many miles does she run in 1 hour

Respuesta :

offguard offguard

02-01-2019

Simply set up a proportion: hours/miles=hours/miles

3/7=1/x.

Cross multiply to get 3x=7. Divide by 3 to get 7/3.

Therefore, Mary runs 7/3 miles in an hour.

Answer Link

Otras preguntas

I know this story is written in order because events happen Ready for Marcos

What was the purpose of the vinegar In the third trial? A) test the effect of raising pH on enzyme action B)served no purposeC) serve as a control D) test the e

who is responsible for establishing the constitution

500 worded essay on dog man by Dav Pilkey any book

my mom used to sing hush little baby don't u cry and i grew up without tears i laugh at myself

Write the equation of the line ( – 5,14) parallel to h(x) = - 3x – 9

IEven though France has twice the number of people as Sénégal, it has half the size. True False

How did the preamble to the constitution help them decide on this method?

what two numbers multiply to -22 and add to 9

how to get from statements 3x+7=13 to 3x+7-7=13-7