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olga_2 [115]
3 years ago
7

Using base ten blocks to divide with double digits

Mathematics
1 answer:
nasty-shy [4]3 years ago
4 0
That would be 10 a blocks
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Given:

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(2x+3y)(2x-3y)=4x^2+6y^2

To find:

The error in the given equation and correct it.

Solution:

We have,

(2x+3y)(2x-3y)=4x^2+6y^2

Taking left-hand side, we get

L.H.S.=(2x+3y)(2x-3y)

L.H.S.=(2x)^2-(3y)^2                 [\because a^2-b^2=(a-b)(a+b)]

L.H.S.=(2)^2(x)^2-(3)^2(y)^2       [\because (ab)^x=a^xb^x]

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3 years ago
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Vlad [161]

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Step-by-step explanation:

7 0
3 years ago
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Area of the living room is 180 square feet and the perimeter is 54 feet. What are the dimensions in feet?
dolphi86 [110]

Answer.....15ft by 12ft

Explanation:

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180 = LW....make W the subject of formula

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then simplify the equation and obtain...

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B. SAS

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Please help me find the value of X
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Answer:

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Step-by-step explanation:

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