Answer: Value of x is, 8
Step-by-step explanation:
Given: ,.....[1]
To find the value of x:
Using exponent rules:
Taking square both sides in [1] we have;
Simplify:
or
Multiply both sides by we get;
x = 8
Therefore, the value of x is, 8
Answer A becouse:
x-=20
y=55
y-35=2(x-10)
y=2x-20+35=40-20+35=55
Answer:
Maybe two inches
ANSWER B
d=(120-4t)
30=120-4t
4t=120-30=90
t=90/4=22.5 s
-30==120-4t
4t=120+30=150
t=150/4=37.5 s