Answer:
n=11
Step-by-step explanation:
(n+4)/10 = (n-8)/2
We can solve using cross products
(n+4) * 2 = 10 * ( n-8)
Distribute
2n+8 = 10n -80
Subtract 2n from each side
2n+8-2n = 10n-80-2n
8 = 8n-80
Add 80 to each side
8+80= 8n-80+80
88 = 8n
Divide each side by 8
88/8 = 8n/8
11 = n
Answer:
45%
Step-by-step explanation:
45 boxes are shaded
so percentage shaded is 45 out of the total which is 100
so 45 / 100 X 100
=45%
Answer:
b)4^0
d)4^3/4^3
Step-by-step explanation:
a)4^-1
1/4 = .25
b)4^0
Anything to the zero power is 1
1
c)4^1
4
d)4^3/4^3
This is a/a = 1
a
Answer:
x = 81
Step-by-step explanation:
√x=9
Solve :
√x=9
(√x)^2 = (9)^2
x = 81
As simple as it can go is As it's multiplied out form, which is -42.