3 years ago

Please help I'm not sure what to do first.

Mathematics

1 answer:

nadezda [96]3 years ago

7 0

Answer:

Step-by-step explanation:

it has to be under 90 degrees

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(−4x^4 +6x^2 +3) − (5x^2 - 3)

Alborosie

Answer:

$-4x^{4} + x^{2} + 6$

Step-by-step explanation:

$(-4x^{4} + 6x^{2} + 3) - (5x^{2} - 3) = -4x^{4} + 6x^{2} + 3 - 5x^{2} + 3 = -4x^{4} + 6x^{2} - 5x^{2} + 3 + 3 = -4x^{4} + x^{2} + 6$

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3 years ago

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3 years ago

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Write an expression that represents the area of the rectangle. Remember A = LW

Iteru [2.4K]

Answer:

b) 9x² - 3x

Step-by-step explanation:

Area of a rectangle = Length × Width

Area for the rectangle = 3x - 1 × 3x

Area = $(3x-1)(3x)$

Step 1. Multiply by combining like terms

3x · 3x = 9x²

Step 2. Multiply -1 by 3x

-1 · 3x = -3x

Step 3. Combine 9x² and -3x

9x² - 3x

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doomdabomb: All brainliest and thanks are appreciated

and would mean a lot to me, thanks!

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3 years ago

SOMEONE PLEASE HELP!!!!!

Harman [31]

Answer:

the answer is A and B

Step-by-step explanation:

hope it helps

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2 years ago

What value of x solves the equation? -(-5x + 3) = 17 What value of x solves the equati

alexdok [17]

Step-by-step explanation:

-(-5x + 3) = 17

5x - 3 = 17

5x = 20

x = 4.

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2 years ago

Please help I'm not sure what to do first.​

Please help I'm not sure what to do first.