codejaredxj codejaredxj

15-01-2021
Mathematics

contestada

EFGH is an isosceles trapezoid. If EG=3y+19 and FH=11y-21, find the value of y.

EFGH is an isosceles trapezoid If EG3y19 and FH11y21 find the value of y class=

Respuesta :

akposevictor akposevictor

20-01-2021

Answer:

y = 5

Step-by-step explanation:

The diagonals of the isosceles EFGH are equal. Therefore:

EG = FH

EG = 3y + 19

FH = 11y - 21

Thus:

3y + 19 = 11y - 21

Collect like terms

3y - 11y = -19 - 21

-8y = -40

Divide both sides by -8

y = 5

Answer Link

Otras preguntas

simplify this algebraic expression

the p= the number of plates on the table, which algebraic expression represents the phase

Which characteristic of life relies on the sun

How is observation used by scientists a. to make experiments unneccessary?

Reinforcement is the _______ in a relationship

if you spin the spinner twice what is the probability of spinning orange then brown? If you spin the spinner twice what is the probability of spinning brown bo

Anyone know this ???

Which of the seven si units would you expect to be part of the definition of a lumen?

Cancer and diabetes are two common hereditary diseases. Please select the best answer from the choices provided. T F

What are 3 to 4 characteristics that make animals different from other organisms such as plants?