Answer:
below
Step-by-step explanation:
Rewrite the expression using the negative exponent rule
b
^−
n
=1/
b^
n .
1
x^
7
Answer:
x = ±2
Step-by-step explanation:
9x^2-36=0
Using the square root property
9x^2 = 36
Divide each side by 9
x^2 = 4
Take the square root of each side
sqrt(x^2) = sqrt(4)
x = ±2
Answer:
gallons = dependent
minutes = independent
Step-by-step explanation:
independent variable = the variable being manipulated/changed
dependent variable = the variable being changed as a result
gallons = dependent (of the minutes of running water)
minutes = independent (affecting the gallons)
78, because you have to do the inverse operation so 80/2= 40 then 40-1= 39 and 39*3 = 78
