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n200080 [17]
3 years ago
10

Multiply and simplify. Show work to earn BRAINLIEST ANSWER ASAP!98 POINTS (7x-6)(3x^2-4x+5)

Mathematics
1 answer:
zavuch27 [327]3 years ago
3 0

Multiply each term in the first set of parentheses by each term in the second set, then combine like terms.

7x x 3x^2 = 21x^3

7x x -4x = -28x^2

7x x 5 + 35x

-6 x 3x^2 = -18x ^2

-6 x -4x = 24x

-6 x 5 = -30

Combine like terms to get:

21x^3 - 46x^2 + 59x - 30

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Reduce the fraction to lowest terms. y+5/2y+10<br><br>A:1/4<br>B:1/2<br>C:2/5
Oduvanchick [21]
The given fraction is:

\frac{y+5}{2y+10}

We cannot take anything common from the numerator but from the denominator we can take out 2 as common because 2 is a factor of both the terms i.e. 2y and 10. 

2y + 10 can be written as 2y +2(5) which can further be written as 2(y+5)

So, our fraction now becomes:

\frac{y+5}{2(y+5)}

y+5 occurs in both the numerator and denominator and thus be cancelled out leaving behind:

\frac{1}{2}

Therefore, the given fraction in lowest term is equal to 1/2. So option B is the correct answer 
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3 years ago
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Aleks [24]

Answer: 75

Step-by-step explanation:

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7 0
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Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data belowVolu
ki77a [65]

Given: Volume of brains in cubic centimeters.

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7 0
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soldi70 [24.7K]

Answer:

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Step-by-step explanation:

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