Answer:
y = 3
Step-by-step explanation:

Combine like terms

Move all terms not containing y to the right side of the equation.

Divide both sides by 2
y = 3
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Answer:
4440
Step-by-step explanation:
easy. 10 to the 2nd power is 20 so whats 88800 divided by 20? To find out you use a calculator like i did :). Or you can count by 20's. either way you'll get 4440.
12 = 2/3(x - 3)
<em><u>Distributive property.</u></em>
12 = 2/3x - 2
<em><u>Add 2 to both sides.</u></em>
14 = 2/3x
<em><u>Multiply both sides by 3.</u></em>
42 = 2x
<em><u>Divide both sides by 2.</u></em>
21 = x
The value of x is equal to 21.
Answer:
(- 1, 9 )
Step-by-step explanation:
Given the 2 equations
y = - 3x + 6 → (1)
y = 9 → (2)
Substitute y = 9 into (1) and solve for x
9 = - 3x + 6 ( subtract 6 from both sides )
3 = - 3x ( divide both sides by - 3 )
- 1 = x
Solution is (- 1, 9 )
Answer:
(-3, 1) (Answer H)
Step-by-step explanation:
f(x) = x^2 + 6x +10 can be rewritten by "completing the square" as
f(x) = (x + 3)^2 + 1, and by comparing this to y = (x - h)^2 + k, we see that h is -3, k is 1, so the vertex, (h, k), is at (-3, 1) (Answer H)