Answer:
A) 9
Step-by-step explanation:
R=7x+17
S=4x-6
Q=180-110=70
- 4x-6+7x+17+70=180
- 11x+81=190
- 11x=180-81
- 11x=99
- x=99/11
- x=9
Answer:
Part 1: 31x+25=180
part 2: x=5
Step-by-step explanation:
there are 180° on a straight line, which is the base/ bottom line of the traingle (indicated by the arrow on the end).
so, 180-151= 29
29° is the third angle on the traingle.
now, there are 180° in a triangle, therefore to find an equation for x:
29+20x-3+11x-1= 180 (adding up all the angles and making it equal to 180°)
now simplify this equation to get:
31x+25=180 (PART 1)
to find x simply solve the equation:
31x=180-25
31x= 155
x= 155/31
x=5 (PART 2)
Answer:
r = 31.2
Step-by-step explanation:
Δ ACE and Δ BCD are similar, thus the ratios of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
40r = 1248 ( divide both sides by 40 )
r = 31.2
3x + 8(2) = 19, 3x + 16= 19 , 3x=3 , x =1
Answer:
You and me together
Step-by-step explanation:
;) Think about it 10x meaning looks 10 20x is me obvs and 11 negative. Sorry it's not meant to be:(