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olga55 [171]
3 years ago
8

Find the average of 2, 6, 12, 8, and 7

Mathematics
1 answer:
Crazy boy [7]3 years ago
7 0

Answer:

7

Step-by-step explanation:

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Pls helpppppppppp!!!!!
KatRina [158]

Answer:

the answer is D. 8x - 2x²

Step-by-step explanation:

4 0
3 years ago
Subtract -5x^2+2 from 9x^2-2x
ozzi

Answer:

2(2x^2 - x + 1)

Step-by-step explanation:

you write you problem 9x^2 - 2x - 5x^2 + 2 = 2(2x^2 - x + 1)

You collect the like terms by subtracting their coefficients

(9-5)x^2

Subtract the numbers

4x^2

4x^2 - 2x + 2

Factor out 2 from the expression

2(2x^2 - x + 1)

3 0
3 years ago
Find the value of x.<br> 56°<br> 57°<br> 85 <br> 2x <br> 4x
erma4kov [3.2K]

Answer:

56

Step-by-step explanation:

Simplifying

x + 7x = 56 + 8

Combine like terms: x + 7x = 8x

8x = 56 + 8

Combine like terms: 56 + 8 = 64

8x = 64

Solving

8x = 64

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '8'.

x = 8

Simplifying

x = 8

8 0
3 years ago
The answer to a division problem is given below. Label each part of the division problem
balandron [24]

Answer:

The quotient is (x² + 2x - 2)

The dividend is (2x³ + 7x² + 2x + 9)

The remainder is 15

The divisor is (2x + 3)

Step-by-step explanation:

  • The quotient is the answer of the division
  • The dividend is the part before (above) the division sign (bar of the fraction)
  • The divisor is the part after (below) the division sign (bar of the fraction)
  • The remainder is the part left over in a division problem

The relation between them is dividend ÷ divisor = quotient + \frac{remainder}{divisor}

Ex: 37 ÷ 5 = 7 + \frac{2}{5} , where 37 is the dividend, 5 is the divisor, 7 is the quotient and 2 is the remainder

Let us solve the problem

∵ \frac{2x^{3}+7x^{2}+2x+9}{2x+3}=x^{2}+2x-2+\frac{15}{2x+3}

∵ dividend ÷ divisor = quotient + \frac{remainder}{divisor}

- Compare the rule by the given problem

∴ The quotient is (x² + 2x - 2)

∴ The dividend is (2x³ + 7x² + 2x + 9)

∴ The remainder is 15

∴ The divisor is (2x + 3)

7 0
2 years ago
What is 11,900,000,000 written in scientific notation?
patriot [66]

Answer:

1.19 × 10^10

Step-by-step explanation:

Move the decimal over to the right 10 spaces

4 0
2 years ago
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