a) value of x:
ZX =(10x+9)°
122°=( 10x+9)
122 - 9= 10x
113= 10x
x = 113/10= 11.3 °
so answer is = 11.3°
b) measure of Arc XZ :
formula to find Arc= © angle÷360 x 2πr
A = 122÷360 x 2πr
A = 61/180x 2πr
A = 0.3388x2πr
A= 0.6776πr
5•3•x•x•x-5•x•x•y+5•x•y=
5x(3x^2-xy+y)
Hope this explanation helps
Answer:
6
Step-by-step explanation:
I used a calculator and the answer is 6
Answer:
100
Step-by-step explanation:
(-9x+y) *5
Let x = -2 and y = 2
(-9 *-2+2) *5
Parentheses first
(18+2) * 5
(20)*5
100