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exis [7]
3 years ago
5

Allen has a photo that is 6in by 8in what will the dimension of the photo be if he scales it down by a factor of 1\2

Mathematics
1 answer:
lesantik [10]3 years ago
6 0
A photo of 6 and 8 is scaled down to 1/2 the size
To find this, you multiply both by 1/2 or divide by 2
The new dimensions are 3 by 4
6 divided by 2=3
8 divided by 2=4
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What is the base of the trapezoid with an area of 150 a height of 10 and a base of 14?
slavikrds [6]
The formula for the area of a trapezoid is:

A= (a+b)/2*h

A=150
h=10
b=14
a=?

So we need to solve for a. Let's plug in the values that we do know...

A= (a+b)/2*h
150=(a+14)/2*10
150=(a/2+14/2)*10
150=(a/2+7)*10
Divide both sides by 10
15=a/2+7
subtract 7 from both sides
8=a/2
multiply both sides by 2
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The other base is 16
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7 0
3 years ago
Use the Binomial Theorem to expand each binomial (5x-4y)^3
jek_recluse [69]
You should know that:

(a+b)(a+b)(a+b)

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-----------------

If a=5x and b=-4y

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3 years ago
Can someone explain how to due this
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