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Alex73 [517]
3 years ago
12

Please simplify this with explanation -10+4(2b+2)=

Mathematics
1 answer:
AleksandrR [38]3 years ago
6 0

Answer:

2(4b-1)

Step-by-step explanation:

1. You would have to distribute first. So basically you just multiply 4 · 2b which gives you 8b and then 4 · 2

Answer to first step: -10+8b+8

2. Add the numbers. It should be -10 + 8 which would give you -2

Answer to second step: -2 + 8b

3. Rearranging the terms. So, instead of doing -2 + 8b you would have to do 8b - 2

Answer to third step: 8b - 2

4. 2(4b - 1) Find what times what gives you 8 (not 1 times 8) and the same for -2

Hope this helped!

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The price of a movie ticket was $6.75 in 2010 and $8.00 in 2013.Find the approximate percent increase in the price of the ticket
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Solve for a.
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Answer:

lesser x = -4/3

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Step-by-step explanation:

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3 years ago
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4 years ago
3. A farmer has a 150 feet of fencing and wants to construct 3 pig pens by first building a fence around a rectangular region, t
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Answer:

l = 37.5\,ft and w = 18.75\,ft

Step-by-step explanation:

The total perimeter and area of the pig pens are, respectively:

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In order to know the maximum area, the second function shall be simplified, derived and equalized to zero. The solution leads to a critical point, whose characteristics can be deduced by using the second derivative of the area:

w = 37.5\,ft - 0.5\cdot l

A = (37.5\,ft-0.5\cdot l)\cdot l

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w = 37.5\,ft - 0.5\cdot (37.5\,ft)

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The dimensions of the region that maximizes the total area are:

l = 37.5\,ft and w = 18.75\,ft

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