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Genrish500 [490]
3 years ago
11

Find the area. Simplify your answer. 3x-3 3x+6

Mathematics
1 answer:
maw [93]3 years ago
5 0

Answer:

3x^2 + 7x - 18

Step-by-step explanation:

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Chick-fil-a found out their most popular items in their combo meals . They found that the Original Chicken Sandwich was ordered
Semenov [28]

Answer:

13/20 probability

Step-by-step explanation:

it starts out as 65/100 then you simplify to get 13/20

hope this helps btw chick fil a is the best!

7 0
3 years ago
Find the radius of convergence, r, of the series. ? n2xn 7 · 14 · 21 · ? · (7n) n = 1
defon
I'm guessing the series is supposed to be

\displaystyle\sum_{n=1}^\infty\frac{n^2x^n}{7\cdot14\cdot21\cdot\cdots\cdot(7n)}

By the ratio test, the series converges if the following limit is less than 1.

\displaystyle\lim_{n\to\infty}\left|\frac{\frac{(n+1)^2x^{n+1}}{7\cdot14\cdot21\cdot\cdots\cdot(7n)\cdot(7(n+1))}}{\frac{n^2x^n}{7\cdot14\cdot21\cdot\cdots\cdot(7n)}}\right|

The first n terms in the numerator's denominator cancel with the denominator's denominator:

\displaystyle\lim_{n\to\infty}\left|\frac{\frac{(n+1)^2x^{n+1}}{7(n+1)}}{n^2x^n}\right|

|x^n| also cancels out and the remaining factor of |x| can be pulled out of the limit (as it doesn't depend on n).

\displaystyle|x|\lim_{n\to\infty}\left|\frac{\frac{(n+1)^2}{7(n+1)}}{n^2}\right|=|x|\lim_{n\to\infty}\frac{|n+1|}{7n^2}=0

which means the series converges everywhere (independently of x), and so the radius of convergence is infinite.
3 0
3 years ago
A new drug claims to reduce the number of migraines an individual suffers. In a study on the effectiveness of the new drug, 50 s
lana66690 [7]

Answer:

I got A on edg

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find both solutions for the variable b^2+ 9b+ 18=0
Paul [167]
If you would like to solve the equation b^2 + 9 * b + 18 = 0 for the variable b, you can do this using the following step:

b^2 + 9 * b + 18 = 0
(b + 3) * (b + 6) = 0

Result:
1. solution: b = - 3
2. solution: b = - 6
7 0
3 years ago
Points C, A, and B are collinear. Which of the following options is another name for CA ?
Flauer [41]
AC

Same line segment just goes in the other direction.
3 0
3 years ago
Read 2 more answers
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