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DedPeter [7]
3 years ago
12

A)Simplify the expression and explain each step.

Mathematics
1 answer:
docker41 [41]3 years ago
3 0

Answer:

see below    PLEASE GIVE BRAINLIEST

Step-by-step explanation:

A)     4(3x + 2) - 2     =     12x + 8 -2     =     12x + 6

B)     20b - 16    =   4(5b -4)

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What is the area of this whole figure in square units?
IrinaK [193]
Well, it is a good and interesting question

Such areas could be calculated in a single shoot and also by dividing the whole shape into other shapes and the total area would be the sum of these areas

I prefer the way of a single shoot ...

The figure represents a trapezoid:
its lower base = 21 units
its upper base = 12 units
the normal height between them = 8 units

NOW

The area of a trapezoid = [(sum of bases' lengths) ÷ 2] * height
                                       = [(12 + 21) ÷ 2] * 8 = 132 sq units


Hope that helps
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2 years ago
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kondaur [170]

Answer:

hi

Step-by-step explanation:

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2 years ago
[y = x + 4][3x -2y =-7] substitution
tia_tia [17]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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Answer:

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Step-by-step explanation:

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7 0
2 years ago
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