3 years ago

69 to the power of 2

Mathematics

2 answers:

MAVERICK [17]3 years ago

8 0

Answer:

4761

Step-by-step explanation:

$69 *69=4761$

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marishachu [46]3 years ago

6 0

Answer:

4761

Step-by-step explanation:

69 times 69 since it is to the power of 2.

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Evaluate u + xy, for u = 20, x = 9, and y = 8

elena-14-01-66 [18.8K]

This is how you work it out:
u + xy
Plug in your numbers that you know:
20 + 9 * 8
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4 years ago

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Which of the following is equivalent to the expression below?<br>(3x2 + 2x-8)-(2x2-4x+7)

ad-work [718]

Answer:

A. x^2+6x-15

Step-by-step explanation:

(3x^2+2x-8)-(2x^2-4x+7) distribute the negative sign

3x^2+2x-8-2x^2+4x-7 combine like terms and simplify leaves us with the answer;

x^2+6x-15

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3 years ago

Which expression is equivalent to the expression below?(6c^2+3c/-4c+2)/(2c+1/4c-2)

algol [13]

Answer:

-3c

Step-by-step explanation:

The given expression is:

$\frac{\frac{6c^{2}+3c}{-4c+2}}{\frac{2c+1}{4c-2}}$

We need to simplify this expression. The rational expression in the denominator can be multiplied to numerator by taking its reciprocal as shown below:

$\frac{\frac{6c^{2}+3c}{-4c+2}}{\frac{2c+1}{4c-2}} \\\\ =\frac{6c^{2}+3c}{-4c+2} \times \frac{4c-2}{2c+1}\\\\=\frac{3c(2c+1)}{-(4c-2)} \times \frac{4c-2}{2c+1}\\\\ =-3c$