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Andreyy89
3 years ago
9

Help me I really need it

Mathematics
1 answer:
Ludmilka [50]3 years ago
5 0

Answer:

Your answer is correct!

Step-by-step explanation:

2 with an exponent of 4 you multiply the number (2) the amount of times as the exponent (4)

Then you remember PEMDAS

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

So, once you do your exponent you multiply 8 and 2 which equals 16. Then you divide 16 by 4 which equals 4.

Lastly, you subtract 16 and 4 which equals 12.

Hope this helps!

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Ksju [112]

Answer:

x^3+x^2-5x+28

Step-by-step explanation:

since a=lw, the area is (x^2-3x+7)(x+4)

1. distribute parentheses \left(x^2-3x+7\right)\left(x+4\right)=x^2x+x^2\cdot \:4+\left(-3x\right)x+\left(-3x\right)\cdot \:4+7x+7\cdot \:4

2. apply +(-a)=-a rule x^2x+4x^2-3xx-3\cdot \:4x+7x+7\cdot \:4

3. Simplify

    Steps to simplify:

x^2x=x^3

3xx=3x^2

3\cdot \:4x=12x

7\cdot \:4=28

x^3+4x^2-3x^2-12x+7x+28

4. Add like terms =x^3+4x^2-3x^2-5x+28

5. Add like terms =x^3+x^2-5x+28

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2 years ago
4.80952380952 in fraction form
vladimir2022 [97]

Answer:

77/16

Step-by-step explanation:

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2 years ago
What is the volume of this square pyramid? Enter your answer in the box.
musickatia [10]
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Aloiza [94]

Answer: the answer to lg is 18

6 0
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alexandr402 [8]

Step-by-step explanation:

the slope of a line or linear equation is always the factor of the driving variable.

usually in the form of

y = ax + b

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but in our case the variable is called "n".

it does not matter, the same principle applies.

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so, the third answer is correct.

7 0
1 year ago
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