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

A cone has a diameter of 8 cm. and a height of 4cm. If the height doubles then the volume is: a) four times largerb) three times as largec) Twice as larged) T

biomedical definition

Express the exact value of csc 60 degrees with a rational denominator?

If y^8 = 4 and y^7 = 3/x, what is the value of y in terms of x? (A) 4x/3 (B) 3x/4 (C) 4/x (D) x/4 (E) 12/x

genes are carried from parents to offspring on structures called

At Jones College, there are a total of 100 students. If 30 of the students have cars on campus, and 50 have bicycles, and 20 have both cars and bicycles, then h

Is sky an abstract noun??? X

list the 6 characteristics of american economy and explain how they help the economy grow

what is air pressure?

How many people could read in France in 2000, 2001, 2002, 2013?