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creativ13 [48]
3 years ago
15

What is the coefficient of the first time in 6x^7-5x^3+9x^2-1

Mathematics
1 answer:
Leona [35]3 years ago
4 0

Answer:

6

Step-by-step explanation:

If you meant term instead of time then the answer is 6.

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Nadia finds out that her favorite horse family population is increasing at a constant rate. The horse family was at 24 in 2011 a
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\begin{gathered} y-24=\frac{8}{3}(x-2011) \\ \text{There will be 48 horses in 2020 (option A)} \end{gathered}Explanation:

The initial number of horses = 24

year = 2011

Coordinates (2011, 24)

when the number of horses became 32, year was 2014

Coordinates (2014, 32)

We find the slope = rate of change

slope = change in number of horses/change in number of years

slope = (32-24)/(2014-2011)

slope = 8/3

The point slope formula:

\begin{gathered} y-y_1=m(x-x_1) \\ U\sin gpoint\colon x_1=2011,y_1=24 \end{gathered}y-24=\frac{8}{3}(x-2011)

The number of horses in year 2020

using points: (2011, 24) and (2020, y), we equate with the slope since it is constant for any two points on this model.

8/3 = (y - 24)/(2020 - 2011)

8/3 = (y - 24)/9

cross multiply:

8(9) = 3(y - 24)

72 = 3y - 72

72 + 72 = 3y

144 = 3y

144/3 = 3y/3

y = 48

Hence, there will be 48horses in 2020 (option A)

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Answer:

1st one: -24a-6b-36c

2nd one: 14mn-12m

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Name a point that is 2 away from (-1,5).
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Answer:[7,2]

Step-by-step explanation:

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