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

Melisma is when.......

Reducing dietary cholesterol is the most effective way to reduce heart disease risk. true. false.

Which polynomial is the product of (2x+3) and (3x+1)?

What process did the supreme court settle on to incorporate provisions of the bill of rights as binding on the states?

Explain one positive and one negative aspect Of the lifetime term of office for judges and justices in the federal court system. Why do you believe the constitu

Stalin wanted to build a military base in _______.

When did ptolemy live? a. about 5000 years ago. b. about 2000 years ago. c. about 500 years ago. d. about 100 years ago?

How do ATP and NADPH connect light-dependent and light-independent reactions in photosynthesis? A. ATP and NADPH are produced in both reactions. B. ATP and NADP

In a heavy rain, your tires can ride on a thin film of water, like skis. This is called __________.

1. find the value of c in the equation a^b(3a^b)c= 243a^6b a. 2 b. 4 c. 5 d. 8 2. Select the expression that is equivalent to 6a^-4(3b^8) over 3a^3b^2 a. 3b^5/a