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Pepsi [2]
2 years ago
15

Simplify the expression. 7x^2+3-5(x^2-4) edguneity

Mathematics
1 answer:
Law Incorporation [45]2 years ago
4 0

Answer:

2x^2+23.

Step-by-step explanation:

Combine like terms.

This expression simplified is 2x^2+23.

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If d(x) = x2 - 7x - 7, find d(x - 1).​
satela [25.4K]

Answer: x^2-9x+1

Step-by-step explanation:

x^2-7x-7 d(x-1)

(you would just replace x to (x-1)

(x-1)^2-7(x-1)-7

(solve by square rooting (x-1)(x-1) then foil)

x^2-9x+1

7 0
3 years ago
The annual snowfall in city Ais 43.9 inches. This is 13.5 inches more than four times the snowfall in city B. Find the annual sn
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Answer:

24.475

Step-by-step explanation:

1st Divide: 43.9÷4=10.975

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--------------------------------------------------------------------

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2 years ago
If you had 38/12 dollars, how much money would that be in dollars and cents (rounded to the nearest penny)?
azamat
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I WILL GIVE BRAINLIEST! Parallelogram WXYZ has vertices W(-5, 3), X(-2, 0), Y(-4, -2), and Z(-7, 1), as shown in the graph below
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