3 years ago

What value of c makes the polynomial below a perfect square?

Mathematics

1 answer:

Montano1993 [528]3 years ago

4 0

Answer:

The value for c is B. 49

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343 cm3

Step-by-step explanation:

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Find the area of the shape shown below.

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Answer:

Step-by-step explanation:

the area of the triangle is 4 x 2, which equals 8.

Then you calculate the area of the rectangle.

Area of Rectangle = L x W or (in this case) 8 x 4

8 x 4 = 32

Then you subtract the area of the triangle from the area of the rectangle

So, your equation would be 32 - 8 = 24

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You want us to simplify $\frac{3x^2-3x}{x^2-9x}-3$

first, factor top and bottom
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$x^2-9x=x(x-9)$

so we have
$\frac{3x(x-1)}{x(x-9)}-3=$
$\frac{3(x-1)}{x-9}-3$
we want to combine fractions so multiply 3 by $\frac{x-9}{x-9}$
$\frac{3(x-1)}{x-9}-\frac{3(x-9)}{x-9}=$
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the simplified answer is $\frac{24}{x-9}$

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3 years ago

A cube-shaped box has a volume of 64 cubic inches.

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2 years ago

What is 3(x+4)-1=7 explain this to me please

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Answer:

x = - 4/3

Step-by-step explanation:

3(x + 4) - 1 = 7

3x + 12 - 1 = 7

3x + 12 = 8

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x = -4/3

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