3 years ago

Someone please help me !!!!!

1 answer:

3 0

I believe your answer here should be C because your distributing whats on the outside and inside of the brackets with each other.

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Need help ASAP please<br> How many solutions are there to the following equation:<br> a+5 = -5+5

Aliun [14]

Answer:

1 solution

a=-5

Step-by-step explanation:

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3 years ago

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Sarah was cutting fabric for a quilt. She cut a strip of fabric that was 19 1/8 inches long into 5 equal pieces. When she was fi

goldenfox [79]

We need a least common denominator
19 1/8 and 2 1/4 (also = to 2 2/8)
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4 years ago

Need help :) will give brainless ⭐️!!

ivanzaharov [21]

Answer:

The answer is B.

Step-by-step explanation:

Counted 8 down and 5 to the right.

5 0

3 years ago

*******************

Dafna11 [192]

Answer:

$10

Step-by-step explanation:

$45 x 5 = 225

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4 years ago

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1 If a = p^1/3-p^-1/3<br>prove that: a^3 + 3a = p - 1/p

alexandr402 [8]

Hello, please consider the following.

We know that

$a = p^{\frac{1}{3}}-p^{-\frac{1}{3}}\\\\=p^{\frac{1}{3}}-\dfrac{1}{p^{\frac{1}{3}}}$

And we can write that.

$(p-\dfrac{1}{p})^3=(p-\dfrac{1}{p})(p^2-2+\dfrac{1}{p^2})\\\\=p^3-2p+\dfrac{1}{p}-p+\dfrac{2}{p}-\dfrac{1}{p^3}\\\\=p^3-\dfrac{1}{p^3}-3(p-\dfrac{1}{p})$

It means that, by replacing p by $p^{1/3}$

$(p^{1/3}-\dfrac{1}{p^{1/3}})^3=p-\dfrac{1}{p}-3(p^{1/3}-\dfrac{1}{p^{1/3}})\\\\\\\text{ So }\\\\a^3=p-\dfrac{1}{p}-3a\\\\\boxed{ a^3+3a=p-\dfrac{1}{p} }$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

4 0

3 years ago