3 years ago

30

Mathematics

1 answer:

Lisa [10]3 years ago

8 0

Answer:

That shows no relationship

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AnnZ [28]

The answer is 16 pi or about 50.27

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Find the product of (x − 5)2. (1 point) Group of answer choices x2 + 10x + 25 x2 − 10x + 25 x2 − 25 x2 + 25

Anuta_ua [19.1K]

Answer:

$x^2 - 10x + 25$

Step-by-step explanation:

Hello!

Expand the square using the Distributive Property.

<h3>Expand</h3>

$(x - 5)^2$
$(x - 5)(x-5)$

Distributive x - 5 to each factor

$x(x - 5) -5 (x - 5)$
$x^2 - 5x - 5x+25$
$x^2 - 10x + 25$

The answer is $x^2 - 10x + 25$ .

We can also use a special binomial product formula.

Formula: $(a - b)^2 = a^2 - 2ab + b^2$

$(x - 5)^2 = x^2 - 2(x)(5) + 5^2$
$(x - 5)^2 = x^2 - 10x + 25$

We get the same answer both ways.

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2 years ago

they paid $4.28 in sales tax. if the sales tax rate is 6.25, what is the total cost of the items before tax?

emmasim [6.3K]

68.48

100% divided by 6.25% is 16 columns
Second row is 4.28 each
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3 years ago

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serg [7]

Answer:

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Step-by-step explanation:

4+4x6+3+9{9+89}x3 = 2667

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