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Alona [7]
2 years ago
6

Please help me :((((

Mathematics
1 answer:
Phoenix [80]2 years ago
4 0

Answer:

Dannielle's mistake was that she added the exponents,

x^3 + 5x^3, doesn't equal 6x^6

Step-by-step explanation:

the correct work is below:

x^3 + 5x^3 + 5x^2 - 3x^2 + 2x - 7 - 1

6x^3 + 2x^2 + 2x -8

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Answer:

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vekshin1

Answer:

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Step-by-step explanation:

This question utilizes combining like terms and common denominators. First you have to convert both terms including "a" to have a denominator of 8. You would do this by multiplying both the numerator, and the denominator by the same value. This value in the case of -\frac{1}{4} a would be 2, and in the case of \frac{2}{3} the value would be 2. This would result in the equation: -\frac{5}{8}a+\frac{4}{6}-\frac{2}{8}a-\frac{5}{6}. Then simply combine like terms to get your final answer.

5 0
2 years ago
Answer and or help would be much appreciated work is due and needs to be submitted
riadik2000 [5.3K]

Answer:

1. D

2. C

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Step-by-step explanation:

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4 0
2 years ago
Your friend sells half her stock of keyrings every hour. She has 24 boxes at the of the sale. How many boxes will she have left
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Hope this helps :)
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3 years ago
Use a calculator to find the standard deviation of this data set: 8, 14, 12, 9, 16
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<h3>Hope this help ;)</h3>

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