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alex41 [277]
3 years ago
14

4. (4x – 2y) – (2x – 6y)

Mathematics
1 answer:
rodikova [14]3 years ago
3 0

Answer:

(4x -2y)-( 2x-6y) = 2x-(-4y)

Step-by-step explanation:

only the same sign can be together. so you take the x first 4-2 which is 2x then you take the y signs 2-6 which would be -4 the full equation becomes 2x-(-4)

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They building in the city has a rectangular base. The length of the base measures 60 ft less than twice the width. The perimeter
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Answer: the length of the base is 290ft

The width of the base is 175 ft

Step-by-step explanation:

The base of the building is rectangular in shape.

Let L represent the length of the base of the building.

Let W represent the width of the base of the building.

The length of the base measures 60 ft less than twice the width. This means that

L = 2W - 60 - - - - - - - - -1

The perimeter of a rectangle is expressed as 2(length + width).

The perimeter of this base is 930ft. It means that

2(L + W) = 930

L + W = 930/2 = 465- - - - - - 2

Substituting equation 1 into equation 2 , it becomes

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3 years ago
For the function f(x) = –2(x + 3)2 − 1, identify the vertex, domain, and range.
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sergiy2304 [10]

C. x³-4x²-16x+24.

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Step-by-step explanation:

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