3 years ago

Please help me answer the question in the picture

Mathematics

1 answer:

Bas_tet [7]3 years ago

4 0

Answer:

graph C)

Step-by-step explanation:

A p e x approved

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If x = -9 and y = 3, evaluate the following expressions. :<br>(4y)2 – (2x)?<br>2.<br>4y2 – 2x2

Licemer1 [7]

To evaluate the expressions, you substitute -9 for x and 3 for y into the expressions

(4y)^2 - (2x)

= (4(3))^2 - (2(-9))

= (12)^2 - (-18)

= 144 + 18

= 162

4y^2 - 2x^2

= 4(3)^2 - 2(-9)^2

= 4(9) - 2(81)

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3 years ago

The formula for the perimeter of a rectangle with length and width is as follows. Suppose the length of the rectangle is 5 times

serious [3.7K]

Answer:

P = 2(5W + W)

Step-by-step explanation:

P = 2(L +W)

L = 5W

P = 2(5W + W)

P = 10W + 2W

P = 12W

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3 years ago

What is 8,731 divided by 2

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What's the value of the4 in 3.954

Natasha2012 [34]

The four is in the thousandths place.

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3 years ago

Does this sum converge: show steps

ehidna [41]

Answer:

Yes

Step-by-step explanation:

$\sum_{n=1}^{\infty} e^{-\sqrt{n} } \\\sum_{n=1}^{\infty} (\frac{1}{e})^{\sqrt{n} }$

If we say u = √n, then:

$\sum_{u=1}^{\infty} (\frac{1}{e})^{u}$

This is a geometric series. Since |1/e| < 1, the series converges.

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4 years ago