mnas8020 mnas8020

03-12-2017
Mathematics

contestada

Angle A is twice the size of Angle B.Their sum is 87 degrees.Find x

(2x-1) belongs to angle b

Respuesta :

lesliekolleroxrkcf lesliekolleroxrkcf

03-12-2017

a=2b
a+b=87
a=4x-2
a=87-2x+1
4x-2=88-2x
6x=90
x=15
b=29
a=58

Answer Link

Otras preguntas

the graph below shows the distribution of students grades on their last math test. Based on the Empirical rule, what percent of students made.. *btwn 80 n 85 o

'for a good cause if you are determined you are able to overcome any obstacle'. explain

The statement, "right angles measure 90 degrees," is an example of: A postulate A definition A theorem A conjecture

List all the commonwealth games mascots from 1982-2014

Compute the value of the discriminant and give the number of real solutions to the quadratic equation: 3x^2 - 7x + 9 = 0

where does the shadow of the shuttle in space form?

Which ancient civilization is associated with the Twelve Tables, an extensive road system, and the poets Horace and Virgil?

Earth is a close approximation of a natural closed system. What are some ways that living in a closed system affects each of us.

where will you find maximum rate of evaporation - ocean, pond or an aquarium? Give reason to support your answer.

india takes the two hour train ride from minneapolis to chicago every dummer to visit her grandparents. The train traveled 44 7/16 (thats a mixed number) mile