3 years ago

What is 4x^2 + 3xy -7xy + 2y^2

Mathematics

1 answer:

Vlad [161]3 years ago

5 0

2 • (2x2 - 2xy + y2) but I Don't know if i'm right

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The perimeter of a rectangular concrete patio is 34 meters. the area is 70 square meters. what are the dimensions of the patio?

Ad libitum [116K]

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3 years ago

If the life span of a light bulb is 2500 hours, approximately how many weeks can you

Tomtit [17]

● Answer:

~~ 15 weeks

● Step-by-step explanation:

1 week = 7 days = 7×24hours = 168 hours

2500 hours ÷ 168 hours = 14.88 hours

~~ 15 weeks

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3 years ago

Identifying the equivalent expression

iragen [17]

Answer:

$\large\boxed{\sqrt{x+3}=(x+3)^\frac{1}{2}}$

Step-by-step explanation:

$\text{Use}\ a^\frac{1}{n}=\sqrt[n]{a}\\\\\sqrt{x+3}=\sqrt[2]{x+3}=(x+3)^\frac{1}{2}$

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3 years ago

PLEASE HELP!!! A.S.A.P!!

Ksivusya [100]

Answer:

142m

Step-by-step explanation:

This problem can be solved by simply using the pythagorean theorem, as you stated at the beginning of the problem, which is: $a^{2} +b^{2} =c^{2}$

You are given the a side and b side that are needed for this equation, so it's all a matter of plugging in the information you have:

$110^{2} +90^{2} =c^{2}$

$110^{2} =12100$

$90^{2} =8100$

$12100+8100=c^{2}$

$20200=c^{2}$

Now, because the c is still squared, you must take the square root of 20200 in order to get the length of just side c:

$\sqrt{20200}$ ≈142m

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3 years ago

nine people are to be distributed among three committees of two, three, four members and a chairperson is to be selected for eac

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b is the answer to your promblem

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3 years ago