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Papessa [141]
3 years ago
5

What is -12 + (-66) + (-48)

Mathematics
2 answers:
Lerok [7]3 years ago
7 0

Answer:

-126

Step-by-step explanation:

1- remove the parentheses -12-66+(-48)

2- change + to - so now its -12-66-48

3- calculate the sum of the negative numbers.

Then you get -126

ehidna [41]3 years ago
3 0

Answer:

-126

Step-by-step explanation:

-12-66-48=

-78-48=

-126

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Answer:

no

Step-by-step explanation:

A polynomial is a combination of terms separated by  +  or  −  signs. A polynomial does not contain variables raised to negative or fractional exponents, variables in the denominator or under a radical, or any special features such as trigonometric functions, or logarithms.

5 0
3 years ago
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A cube has a surface area of 216 square inches. what is the edge length of the cube?​
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Answer:

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Step-by-step explanation:

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3 years ago
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3 0
3 years ago
Let f(x)=2x+2. solve f^-1(x) when x=4
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F⁻¹(x) is the notation for the inverse of an equation, so you just need to find the inverse equation. that's found by swapping your x and y variables:

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y = 2x + 2  ... swap x and y variables
x = 2y + 2  ... solve for y

x = 2y + 2  ... subtract 2
x - 2 = 2y  ... divide by 2
(x - 2)/2 = y

so, </span>f⁻¹(x) = (x - 2)/2  ... now you need to solve that for when x = 4. plug it in:

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docker41 [41]

Answer:

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Step-by-step explanation:

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