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

Ruth is training for a half-marathon. On Saturday, she ran 3 miles in 34.5 minutes. On Sunday, she ran 2.5 miles in 28 minutes. How much faster, in minutes per

(Your opinion) Pizza or Hamburger

Algebra 2 Help! Please help.

Consider the linear function f(x) = mx + b, where m = 0, on the interval [3, 7). Explain why the maximum value of the function over this interval must occur at

A pattern of increasing perfect squares is shown below. 25, 36, 49, 64, _, 100 What number do you need to find the square to find the missing term? A. 6 B. 8 C.

Write 3.24 x 10-4 in standard notation.

x+5l=5 please help i really need it.

In "Kaddo's Wall," what does the mangy donkey symbolize?

what is the definition and example heredity

A rectangle has a length of L and a width, W, that is 4 less than 3 times the length. Which expression would give us the correct perimeter?