2 years ago

This should be easy for me but i forgot how

1 answer:

5 0

E is currently at (-5, 1). However, the dilation multiplies the distance between this point and the origin by six, resulting in (-30, 6) as the final coordinates.

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Step-by-step explanation:

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2 years ago

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2 years ago

27 is 72% of what number?

NNADVOKAT [17]

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Step-by-step explanation:

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2 years ago

Read 2 more answers

What is the justification for the first step in proving the formula for factoring the sum of cubes?

Anna11 [10]

Explanation:

The formula isnt correctly written, it should state:

$a^3+b^3 = (a+b)(a^2-ab+b^2)$

You have to start from $(a+b)(a^2-ab+b^2)$ and end in a³+b³. On your first step, you need to use the distributive property.

$(a+b)(a^2-ab+b^2) = a*(a^2-ab+b^2) + b*(a^2-ab+b^2)$

This is equal to

$a*a^2-a*(ab) + a*b^2 + b*a^2-b*(ab) + b*b^2 = a^3 - a^2b + ab^2 +ba^2 -b^2a +b^3$

Note that the second term, -a²b, is cancelled by the fourth term, ba², and the third term, ab², is cancelled by the fifht term, -b²a. Therefore, the final result is a³+b³, as we wanted to.

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3 years ago

jasmine had 11 friends over at her house. everytime the doorbell rang 2 more friends arrived. the doorbell rand 3 times. how man

Lelechka [254]

I'm pretty sure the answer is 17

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2 years ago