scoutboy02 scoutboy02

02-02-2018
Mathematics

contestada

The two triangles are similar. What is the value of x?

The two triangles are similar What is the value of x class=

Respuesta :

dfgtyurv dfgtyurv

02-02-2018

If they are similar, their sides are proportional. The scale factor would be 20/28, which is 5/7.

5/7 = 3x/4x+2
Cross multiply
20x+10 = 21x
subtract 20x on both sides
10 = x

x = 10

Answer Link

Otras preguntas

frogs reproduce sexually.why do frogs require water to reproduce?

A dilute, aqueous potassium nitrate solution is best classified as a (1) homogeneous compound (2) homogeneous mixture (3) heterogeneous compound (4) heterogeneo

evaluate the following expression a. 11^0 b. 11^2/ 11^2 c. are the answers to part a and b the same? explain why or why not? please help!!!

a car travels 100 meters in 4.0 seconds. Find the average velocity

What is the volume of a cone that has a radius of 4 cm and a height of 9 cm? Use 3.14 to approximate pi and express your answer in hundredths. cm3

18% of what number is 90? A. 50 B. 5 C. 16.2 D. 500

From The Mouse and the Motorcycle, who are Betty and Mary Lou and where are they from?

Which compound could serve as a reactant in a neutralization reaction?(1) NaCl (3) CH3OH(2) KOH (4) CH3CHO

cone has a radius of 8 inches and a height of 12 inches. What is the exact volume of the cone? A. 32π in3 B. 96π in3 C. 256π in3 D. 768π in3

What is the total number of electrons in a Mg2+ ion?(1) 10 (3) 14 (2) 12 (4) 24