3 years ago

What's x if 3x = 84?

Mathematics

1 answer:

Ket [755]3 years ago

7 0

Answer:

answer is 28

Step-by-step explanation:

3x=84

x=84/3= 28

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If x is a positive integer then 2(x)³ = 8x 8x³ 6x³ 2x³ 6x

marysya [2.9K]

It is equal to 2(x)^3 because pemdas, exponnets come before multiplication so it would be x^3 then multiply whatever that is by 2

2x^3 is answer (4th choice)

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3 years ago

Elysia added -218+(-395) and got a sum of -613.Which best explains whether or not Elysia sum is reasonable?

Thepotemich [5.8K]

Answer:

I don't know your options, but it is reasonable.

Step-by-step explanation:

Adding a negative is equivalent to subtracting a positive, so you would get

-218-395

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4 years ago

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lora16 [44]

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3 years ago

Which of the following are polynomials?

Flauer [41]

Answer:

Options A and C are the only polynomials.

Step-by-step explanation:

We know that,

A polynomial is an expression having more than one algebraic terms.

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where the coefficients $a_{i}$ for i = 1,2,3,4,... are real numbers and the degree 'n' are natural numbers.

So, from the options, we see that,

Options B, D and E are not of the above form and so are not polynomials.

Thus, options A and C are the only polynomials.

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3 years ago

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dem82 [27]

Answer:

$0.60 per hour

Step-by-step explanation:

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