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 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

True of False? An amendment is a change or addition to the Constitution.
Write 33000 earned in 1 year as a unit rate in months
The measure of an angle is 11°. What is the measure of a supplementary angle?
what is the third part of the brain called ???
Gonzalo is attempting to open his car door using the auto lock button on his keychain. he pushes the button twice, but his car door does not open. he continues
Which all of the following is equivalent to the expression 6m + 3A.2(3m+3)B.3(2m+1)C.3(2m+3)D.6(m+3
Help needed ASAP plz
Is the answer to number 8 true? I've had a couple of different answers..
According to the human capital model, women as a category earn less money than men because: a. women choose lower-paying occupations and careers than men b
what did colonist say the king was unfit to be