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3 years ago

11

Help pleaseee and thankyouuuu

1 answer:

max2010maxim [7]3 years ago

3 0

Answer:

C

Step-by-step explanation:

7*4*2 1/2

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Which expression is equivalent to 36x2 - 25?

Dimas [21]

Answer:

The equivalent expression is: (6x + 5)*(6x - 5)

Step-by-step explanation:

This expression is called the difference of two squares.

It has the following format: $a^{2} - b^{2}$

It is factored as: $a^{2} - b^{2} = (a-b)*(a+b)$

In this question:

$a^{2} - b^{2} = 36x^{2} - 25$

So

$a^{2} = 36x^{2}$ , then $a = \sqrt{36x^{2}} = 6x$

$b^{2} = 25$ , then $b = \sqrt{25} = 5$

So

The equivalent expression is: (6x + 5)*(6x - 5)

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3 years ago

Need help with this!!! Only have a few minutes left!!!

Sliva [168]

Answer:

Step-by-step explanation:

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3 years ago

What is the value of z in the equation 3z + 5 = 4z -8

Komok [63]

Answer:

<h2>13</h2>

Step-by-step explanation:

3z + 5 = 4z - 8

⇌ 5 + 8 = 4z - 3z

⇌ 13 = z

8 0

3 years ago

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X^2y^8/x^7y^6 if x= -2 and y= 4

damaskus [11]

Answer:

- $\frac{1}{2}$

Step-by-step explanation:

Given

$\frac{x^2y^8}{x^7y^6}$

= $\frac{y^{(8-6)} }{x^{(7-2)} }$

= $\frac{y^2}{x^5}$ , substitute values

= $\frac{4^2}{(-2)^{5} }$

= $\frac{16}{-32}$

= - $\frac{1}{2}$

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3 years ago

What number is 74% of 45

Fofino [41]

33.3 would be the correct answer of 74% of 45

5 0

4 years ago

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