NianaH401349 NianaH401349

03-11-2022
Mathematics

contestada

Question 3 of 8
What is the length of CD?
B
15- X
с хр
5
E
20
1
Answer here

Question 3 of 8What is the length of CDB15 Xс хр5E201Answer here class=

Respuesta :

ThalyaM520587 ThalyaM520587

03-11-2022

Explanation

Triangles ABC and CDE are congruent, then:

[tex]\begin{gathered} \frac{15-x}{20}=\frac{x}{5} \\ 5(15-x)=20x \\ 75-5x=20x \\ 75=20x+5x \\ 75=25x \\ \frac{75}{25}=x \\ 3=x \end{gathered}[/tex]

Answer

x=3

Answer Link

Otras preguntas

jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music

All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})

What value of x makes the equation true ? 4(2x-4)=16

find the circumference of a circle whose radius is 15.4cm

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

What value of x makes the equation true ? 4(2x-4)=16

jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music

jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music

find the circumference of a circle whose radius is 15.4cm

find the circumference of a circle whose radius is 15.4cm