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4 years ago

6

Simplify:

1 answer:

wlad13 [49]4 years ago

5 0

Answer:

The answer to your question is letter C. 7y³ + 7n²y² - 22y²

Step-by-step explanation:

y²(4y + 7n² + 2) - 3y² (-y + 8)

Multiply

4y³ + 7n²y² + 2y² + 3y³ - 24y²

Use the associative property for like terms

(4y³ + 3y³) + (2y² - 24y²) + 7n²y²

Simplify like terms

7y³ - 22y² + 7n²y² or 7y³ + 7n²y² - 22y²

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Convert (4,000°) to rectangular form.

Dafna1 [17]

Answer:

x=4, y =0

Step-by-step explanation:

To convert to rectangular from, we use the formulas

x= rcos theta

y = rsin theta

Substitute r=4 and theta =0

x = 4 cos (0) = 4 (1) = 4

y = 4 sin (0) = 4(0) = 0

In rectangular form (4,000°) equals ( 4, 0)

5 0

4 years ago

masya89 [10]

Answer: y=4x+6.

Step-by-step explanation:

(-3,-6) k=4 y=kx+b ?

y=4x+b

-6=4*(-3)+b

-6=-12+b

-6+12=-12+12+b

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Hence,

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2 years ago

Solve the system of equations.

castortr0y [4]

Answer:

D is correct.

Step-by-step explanation:

$- 2x = {x}^{2} - 8$

${x}^{2} + 2x - 8 = 0$

$(x - 2)(x + 4) = 0$

x - 2 = 0 or x + 4 = 0

x = 2 or x = -4

So we have (2, -4) and (-4, 8). D is correct.

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2 years ago

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Anika [276]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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