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BigorU [14]
3 years ago
5

What is the missing term (10-4x^2)-(7x+?) =3x-6x^2

Mathematics
1 answer:
Yuliya22 [10]3 years ago
8 0
Hello,

(10-4x²)-(7x+?)=3x-6x²
==>10-4x²-7x-3x+6x²=?
==>?=2x²-10x+10

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Simplify the expression 3(6-2x)
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Answer:

-3

Step-by-step explanation:

3 times 6 is 18

3 times -2x is -6x

put -6x on the other side and divide 18 by -6x and you get -3

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Please help me with this
bija089 [108]

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Step-by-step explanation:

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2 years ago
142 is 120% of what number
forsale [732]
142=120% of x
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5 0
3 years ago
Find the midpoint of diagonal WY.. . Figure WXYZ is shown. W is at 0, 2. X is at 0, 6. Y is at 6, 6. Z is at 6, 2.. . (2, 4). .
Anestetic [448]

Answer:

(3,4)

Step-by-step explanation:

we know that

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we have that

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3 0
3 years ago
Read 2 more answers
-7/8 - (-h) = -7/12<br> solve for h<br> pls show work
Westkost [7]

Answer:

The answer is 7/24.

Step-by-step explanation:

I attached a picture, but I'll try to walk through it here.

1) A negative and a negative makes a positive, so h becomes positive.

2) I added 7/8 to both sides, in order to "isolate the variable", which simply means to get h by itself, on one side of the equation (you'll likely hear it said both ways).

3) I multiplied 7/8 by 3/3, and multiplied -7/12 by 2/2. This is known as a common denominator, which in this case is 24. You can only add and subtract fractions that have a common denominator.

4) Multiply both of the fractions to get 21/24 + (-14/24). "Adding a negative" is the same thing as subtracting.

5) 21 - 14 = 7, and since our denominators are the same, the answer is 7/24.

You can confirm the answer by substituting, or "plugging" 7/24 into your original equation, in place of h.

6 0
3 years ago
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