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

In humans, gender is determined by the 23rd pair of chromosomes. xx results in females, whereas xy results in males. what fraction of a male's sperm would be ex

Which statement best sums up the tone of the entire speech? A. The speech has an overall optimistic tone that balances authority, humility, and encouragemen

the legs of a right triangle are 21 and 28 inches long what is the area of the triangle

Which step could be used to solve X +3.6 equals -1.7 for x in one step

solve for x 7x − 5 = 3x + 7

Emotional, social, vocational, and health-related outcomes of individuals who are considered psychologically healthy. what area o psychology is this?

please help me with my home work

The area of the triangle below is __ sq units. A.80 B.21 C.42 D.40

Can somebody please help me. I have less then 10 mins to get the right answer

BRAINLIESTTT ASAP!!!! Explain what Lunar phases are in specific detail in one paragraph.