2 years ago

HELP PLEASE AND SHOW WORK!!!

Mathematics

1 answer:

lana66690 [7]2 years ago

5 0

Answer:

awnser is A

Step-by-step explanation:

Multiply all sides by 2 then add then up and you get 432.

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Write'15 cubed' as a power.

ElenaW [278]

Answer:

$15^{3}$

Step-by-step explanation:

$15^{3} =(15)(15)(15)=3375$

Hope this helps

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2 years ago

A reporter claims that 90% of American adults cannot name the current vice president of the United States. To investigate this c

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Answer:

Not A or D

Step-by-step explanation:

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3 years ago

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Find the solution of the equation. 2(2x + 3) = -4 + 2(2x + 5)

lbvjy [14]

Answer: D. Infinitely many solutions

Explanation:
1. Remove parentheses
2. Cancel equal terms
3. Calculate them
Then you would get 6=6 which is true for any value of x

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4 years ago

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State whether each of the following represents a function

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3 years ago

Simplify. <br><br> −3x3(−2x2+4x−3)

stepladder [879]

Answer:

$-3x^3(-2x^2+4x-3)$ simplifies to $6x^5-12x^4+9x^3$

Step-by-step explanation:

Given expression $-3x^3(-2x^2+4x-3)$

We have to simplify the above expression,

Consider the given expression $-3x^3(-2x^2+4x-3)$

Multiply each term in brackets by $-3x^3$ , we get,

$-3x^3(-2x^2+4x-3)=-3x^3(-2x^2)-3x^3(4x)[-3x^3(-3)$

Solving further, using $x^n\cdot x^m=x^{n+m}$ we get,

$-3x^3(-2x^2)-3x^3(4x)[-3x^3(-3)=6x^5-12x^4+9x^3$

Thus, $-3x^3(-2x^2+4x-3)$ simplifies to $6x^5-12x^4+9x^3$

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3 years ago

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