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

1. On Earth, a box has a mass of 10 kg. What is its weight?

What is the equation in slope-intercept form of the line that passes through the point (-1,-1) and is perpendicular to the line represented by y = 1/2x +5?

Please do these problems

What are some other mystery elements easier to identify than others?

Which of these colors has the longest wavelength? A. orange B. blue C. yellow d. green

Enter an equation in point-slope form for the line. (6,8) and (7,1) is on the line. The equation of the line in point slope form is:

what is a standard is a

The difference between 5 times a number and 3 is 12. What is the number?

Why should we learn about Native American diversity? What effect does it have on America today?

The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference. (A) 1.8 (B) 2 (C) 8/9