3 years ago

How many tiles would it take to cover the Washington monument?

Mathematics

1 answer:

aalyn [17]3 years ago

4 0

Ummm what mush is it is a good thing you can get it to get it and you can see it and then get it done

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2m+12

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cluponka [151]

The given expression $8(4)^2+2^4$ is equal to 144 or $12^2$

Solution:

Given expression is:

$8(4)^2+2^4$

We have to evaluate the above given expression

We know that,

$(4)^2 = 4 \times 4 = 16$

$2^4 = 2 \times 2 \times 2 \times 2=16$

Substituting these in above given expression, we get

$8(4)^2+2^4=8 \times 16+16\\\\8(4)^2+2^4= 128+16\\\\8(4)^2+2^4=144$

Also we know that,

$12 \times 12 = 144$

Therefore,

$8(4)^2+2^4=144 = 12 \times 12 = 12^2$

Thus the given expression $8(4)^2+2^4$ is equal to 144 or $12^2$

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3 years ago

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krok68 [10]

Answer:

(y+3) (x^2+3)

Step-by-step explanation:

x^2y + 3x^2 + 3y + 9

I will factor by grouping

Taking the first two terms I can factor out x^2

Taking the last two terms I can factor out 3

x^2y + 3x^2 + 3y + 9

x^2(y+3) + 3(y+3)

Now I can factor out (y+3)

(y+3) (x^2+3)

Since(x^2+3) and (y+3) cannot be factored , this is completely factored

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3 years ago

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