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ArbitrLikvidat [17]
3 years ago
13

Subtract the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending pow

ers of a.
Subtract: 16a^2 - 32a + 9 from 12a^2 + 60a - 8.
Mathematics
1 answer:
Vadim26 [7]3 years ago
3 0
Hi! :)

12 a^2 + 60 a - 8
- (16 a^2 - 32 a + 9)

= -4 a^2 + 92 a - 17
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Allie noticed that to get her test grade, she could take Valerie's grade, multiply it by 2 and subtract 15. If Valerie's test gr
kolbaska11 [484]
Answer is c) 2x - 15 because x is Valerie's grade

Allie's grade is <span>taking Valerie's grade, multiply it by 2 and subtract 15</span>
4 0
3 years ago
What is the percent of change from 10 to 5?
NNADVOKAT [17]

Answer:

50% decrease

Step-by-step explanation:

\dfrac{(V_2-V_1)}{|V_1|} \times 100

= \dfrac{(5 - 10)}{|10|} \times 100

= \dfrac{-5}{10} \times 100

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= -50\% \; \text{change}

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8 0
3 years ago
Read 2 more answers
9/17 15/34 6/17 9/34 geometric sequence?
zysi [14]
In a geometric sequence each number after the first is found by multiplying the previous number by a fixed number called the common ratio.

In an arithmetic sequence, each term is equal to the previous term plus or minus a constant called the common difference.

In your problem we have a sequence of numbers that appears to be decreasing in value, but on the surface it doesn't appear to be by any constant number... but if you look closely, the denominator 34 is exactly twice the other denominator 17. This would lead me to look at a common denominator to see if anything takes shape...

9/17 = 18/34
15/34
6/17 = 12/34
9/34

Now we see that each number is the previous number minus 3/34, so we have a common difference of 3/34.

This would match the definition of an arithmetic sequence and NOT a geometric sequence.
6 0
3 years ago
Carolyn flips a coin 20 times and writes down the results of each flip. Is this event independent or dependent? Explain.
Alex

Answer:

Dep

Step-by-step explanation:

I guess Dep., Because Depending on which side it lands Is the outcome.

8 0
3 years ago
Please answer this also I need help
yKpoI14uk [10]

Answer: 2/2

Step-by-step explanation:

6 x 2/2 =6

7 0
3 years ago
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