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

Lightener should be mixed up how long before application?

Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% chance that the land has oil. Jason decides to test the land

Different beverages may be absorbed at slightly different rates because of __________. The drink's chemical make-up The drink's size The drinker's size The

11. The minute hand of a clock is 8 inch long. How far (to the nearest tenth) does the tip of the minute hand move in 45 minutes? per hour 12. The diameter of e

Find the angle x Please help

write a short pragrph about sibling rivalry

Which of the following represents a line of symmetry for the octagon shown? A. Line a B. Line b C. Line c D. Line D

Write an explicit rule for the geometric sequence f(1)=9,f(n)=2/3 x f (n-1) for n to be greater than or equal to 2

a Describe the inputs needed by the embedded system and describe which outputs you would expect it to produce

Neutrophils love the feeling of CILK a) True b) False