3 years ago

8 times a number is equal to 56

Mathematics

1 answer:

maria [59]3 years ago

6 0

The answer is seven. Fifty-six divided by eight is seven.

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raketka [301]

Answer:

$\large\boxed{B.\ (f+g)(x)=2x^2+2x-2}$

Step-by-step explanation:

$f(x)=-x^2+6x-1\\\\g(x)=3x^2-4x-1\\\\(f+g)(x)=f(x)+g(x)\\\\\text{substitute:}\\\\(f+g)(x)=(-x^2+6x-1)+(3x^2-4x-1)\\\\(f+g)(x)=-x^2+6x-1+3x^2-4x-1\qquad\text{combine like terms}\\\\(f+g)(x)=(-x^2+3x^2)+(6x-4x)+(-1-1)\\\\(f+g)(x)=2x^2+2x-2$

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3 years ago

What is the slope of the line of best fit?

Ierofanga [76]

Step-by-step explanation:

The line passes through the origin and point (30,3)

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Or, slope of the graph miles per hour

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option B

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3 years ago

F (x) = 7 (x-1) +8 what is the value of f (1)

STALIN [3.7K]

Answer:

Step-by-step explanation:

f (x) = 7 (x-1) +8

For f(1) we plug 1 into x.

f(1) = 7 (1-1) +8

Simplify

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2 years ago

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5. Describe the pattern below.<br> 9, 12, 15, 18, 21, 24

Dafna11 [192]

Answer:

The numbers increase by 3

Step-by-step explanation:

The difference between all the numbers in the sequence have a gap of 3

9 and 12 --gap of 3

12 and 15--gap of 3

18 and 21--gap of 3

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3 years ago

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soldi70 [24.7K]

Answer:

$10.80

Step-by-step explanation:

$2.40 + $2.80(3)

$2.40 + 8.40

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3 years ago

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