Answer:
3
-3
sqrt(9)
-sqrt(9)
Step-by-step explanation:
What number multiplied by itself will give you 9
3*3 =9
-3*-3 =9
sqrt(9) * sqrt(9) = sqrt(81) = 9
-sqrt(9) * -sqrt(9) = + sqrt(81) =9
Answer:
Zack = x
Tony = x + 6
x + x + 6 = 42
2x + 6 = 42
2x = 36
x = 18
So,
Zack = x = 18
Tony = x + 6 = 18 + 6 = 24
Answer:
$52.5 saved. And he paid $297.50
Step-by-step explanation:
First finding the amount of money of the 15% discount
350.00 × .15 = $52.5
Then the the original price minus the dicount
350.00 - 52.50 = $297.50
Answer:
x = -7
Step-by-step explanation:
So we are asked to find what x is equal to in the equation:

In other words, we are asked to solve for x.

Add 4 to both sides of the equation.

Multiply both sides by 7.
x = -7
So we have solve the equation for x and have found that x = -7.
I hope you find my answer and explanation to be helpful. Happy studying.