Breiter Breiter

14-08-2017
Mathematics

contestada

E bisects DF , DE = 5y, and EF = 13y-8. Find DE, EF, and DF

Respuesta :

apologiabiology apologiabiology

14-08-2017

it bisects so DE=EF

DE=5y
EF=13y-8

so
5y=13y-8
minus 13y both sides
-8y=-8
divide both sides by -8
y=1

DE=5y=5(1)=5

DE=EF=5

DF=DE+EF=5+5=10

DE=5
EF=5
DF=10

Answer Link

Otras preguntas

Which statement describes employment in the late 1800s? Jobs often required specialized training. Twelve-hour workdays were unusual. Jobs in factories were hard

A scientist finds a new life form. The life form is 2 meters tall. It makes its own food. It has tubes that carry food and water through it. It reproduces by ma

find the number of distinguishable permutations for the word MAGNETIC

The table shows Iyad's checking account activity for several weeks. Iyad's beginning balance was $538. What was his ending balance? Three column table titled

What is the purpose of the plasma membrane? A. makes food for the cell B. reproduces cells C. keeps the cell small D. encloses specific structures

What is the chemical equation of lactic acid fermentation?

What is a redox reaction?

5. Which of the following is an example of U.S. democracy in action? Veterans gather to show support for a new law to ban flag burning. The CIA does surveillan

what were responsibilities of a queen or princess

How do you graph 3x-4y=-4 for the domain D:{8,4,0,-4,-8}