nocomprendoplshelp nocomprendoplshelp
  • 01-03-2019
  • Mathematics
contestada

1. Algebra Find the values for x and y in ABCD.
AE = 4x, EC = 5y – 2, DE = 2x, EB = y + 14
PLEASE HELP!!

1 Algebra Find the values for x and y in ABCD AE 4x EC 5y 2 DE 2x EB y 14 PLEASE HELP class=

Respuesta :

kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 10-03-2019

ANSWER

x=12, y=10

EXPLANATION

The diagonals of a parallelogram bisect each other.

This implies that;

AE=EC

[tex]4x = 5y - 2[/tex]

[tex]4x - 5y = - 2...(1)[/tex]

Also, DE=EB;

[tex]2x = y + 14[/tex]

[tex]y =2x - 14...(2)[/tex]

Put equation (2) in (1).

[tex]4x - 5(2x - 14) = - 2[/tex]

Expand;

[tex]4x - 10x + 70 = - 2[/tex]

[tex] - 6x = - 72[/tex]

[tex]x = 12[/tex]

Put x=2, into equation (2).

[tex]y = 2(12) - 14[/tex]

[tex]y = 10[/tex]

Answer Link

Otras preguntas

To increase or decrease an amount by 30% what single multiplier would you use?
an African lion weighs 450 pounds what is the weight in ounces
I bet you don't know this Maybe, Who was the Schutzstaffel / SS?
A dog starts chasing Gretchen. When her brain sends a signal to her muscles to run, which neurons are at work? sensory motor voluntary involuntary
What does it depend on
All of the following mean the same thing EXCEPT: a. the right to vote c. the electorate b. suffrage d. the franchise
Which of the following statements best describes changes to the culture of the Inuit people? a. Traditions have remained unchanged for hundreds of years. b. M
Lisa's store collects 5% sales tax on every item sold. If she collected $22.00 in sales tax, what was the cost of the item her store sold?
Solve for f is h=2f/m+1
Which of the following will help "sober up" (or lower the BAL) of an intoxicated person? a. Exercise b. Black coffee c. Time d. A cold shower