wildjay8804 wildjay8804

22-02-2018
Mathematics

contestada

(I HONESTLY NEED THIS ANSWERED FAST PLEASE HELP ME!!!!!!!!PLEASE!!!!!!!!!!!!!)

Solve the proportion using cross products. Round to the nearest hundredth if necessary. 12 miles/27 hours = 4 miles/ h hours
______________________________________________________________
A. 28
B. 12
C. 9
D. 18

Respuesta :

jcherry99 jcherry99

27-02-2018

12 / 27 = 4/h Cross multiply
12h = 27 * 4 Notice top and bottom is equated to top and bottom of the two you have not yet used.
12h = 108 Divide by 12
h = 108 / 12
h = 9
C <<<<<-===== answer.

Answer Link

Otras preguntas

The composition ry-axisT(0, 2) is used to transform a triangle having a vertex at (0, 1). Describe how to find the coordinates of the image of this vertex.

Help me, Thanks!! 1）A room is being heated at the rate of r(t) = (0.3t)1/2, where r(t) is measured in degrees Fahrenheit per minute. If the temperature in the r

This is a sign of a chemical reaction that involves a new color being created during the reaction.

There are 23 boys and 35 girls on the school's track and field team. After q boy at random to represent the school for an event becomes 2/5, find the value of q

Which percent change represents a percent increase? Original amount = 978 New amount = 118 Percent change = 87% Original amount = 574 New amount = 678 Percent c

Suppose f(x) varies inversely with x and f(X)= 3 when x = 10. What is the value of f(x) when x = 15?

An office building grosses $850,000 per year and expenses of 35% of the gross. If the property is capitalized at 12% what is its value?

Please help me with this question 5x - 6y = 31 3x + 10y = 5

The distance from your house to the park is represented by the expression "5x + 4 more than 2 − 2x." The distance from the park to the school is represented by

for which values of P and Q does the following equation have Infinity many solutions? P×+57=-75x+Q