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

Solve for p. 20p + -5p – -17 = -13

A necessary precondition for a Neolithic village to become a civilization in prehistory was the what? a. use of metals for tools and weapons b. production of a

The first step a biologist takes when deciding how to study life is to? A- write a paper B- make an observation C- do an experiment D- make a hypoth

If f(x) = 1/3x − 2 and g(x) = −2x − 1, find (f • g) (9) . A) 19. B) −18. C) 0. D) −19

what is 3/18 written in simplest form explain how you found you answer

find the digit that makes _ 3520 by 9

Which of these sentences explains the difference between convergent evolution and adaptive radiation? A) Convergent evolution produces organisms with different

Some snake venoms are harmful because they contain enzymes that increase the rate of a reaction that destroys blood cells and tissue cells. The damage caused by

Which word in the sentence does the underlined phrase modify? On the bench NEAR THE TICKET WINDOW, meet us tomorrow morning. A. morning B. tomorrow C. meet

solve the equation. -7z - 7 ≤ -5z 5