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Lina20 [59]
3 years ago
7

How do you solve 3 3/4a+3+6=87 in multi step equations

Mathematics
1 answer:
Dovator [93]3 years ago
3 0
If you would like to solve the equation 3 3/4 * a + 3 + 6 = 87, you can do it using the following steps:

3 3/4 * a + 3 + 6 = 87
15/4 * a = 87 - 3 - 6
15/4 * a = 78    /*4/15
a = 78 * 4/15
a = 104/5
a = 20.8

The correct result is 20.8.
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3 years ago
2 find the length of the side indicated. And round to 1 decimal place
enyata [817]

Answer:

31.1

Step-by-step explanation:

This is an isosceles triangle. Let us name the unnamed side y. y will also equal 22. We also know that this is a right triangle so using the pythagorean theorem we can calculate x. x = √(22^2+22^2) so x = 31.1.

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2 years ago
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Lunna [17]
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5 0
3 years ago
The profit function for a new product is given by p(x) = -4x^2+28x-40, where x is the number sold in thousands. How many items m
Ivenika [448]
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4x^2-28x+40=0

4(x^2-7x+10)=0

4(x^2-2x-5x+10)=0

4(x(x-2)-5(x-2))=0

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3 0
3 years ago
Help me please 100 points!!
yarga [219]

If function and inverse be

\\ \rm\longmapsto f(x)\:and\:f^{-1}(x)

Both will seem to be opposite and similar .

Look at the first one

It is showing like 1 is function and other one is its inverse(Attachment )

Hence 1st one is the answer

8 0
3 years ago
Read 2 more answers
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