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Svet_ta [14]
3 years ago
11

Are any of these a function

Mathematics
1 answer:
Elena-2011 [213]3 years ago
6 0

Answer:

Yes because the 1st and 3rd one are functions

Step-by-step explanation:

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A group of friends wants to go to the amusement park. They have $87.25 to spend on parking and admission. Parking is $6.25, and
Snezhnost [94]

Answer:

p = 3

Step-by-step explanation:

27p + 6.25 = 87.25

      - 6.25     -6.25 = 27p + 0 = 81 = 27p = 81

81/27 = 3

p = 3

4 0
2 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
the value of the 6 in 3.264 is (blank) the value of the 6 in 0.576. a. 10 times as much as or b. 1/10 of
fgiga [73]

The correct answer is ten times as much.

When we look at decimals, each place closer to the decimal point is ten times greater. The first 6 is in the hundreths place and the second one is one spot further away. As a result, the first is 10 times as much as the second.

6 0
2 years ago
consider the following systems of linear inequalities. x+2y is > than or equal to 10 and 3x-4y>12. Which of the following
Neporo4naja [7]
The answer is (10,2),(14,-1), and (8,1)
5 0
2 years ago
Greatest common factor 6, 48
aev [14]

Answer:

6 is the greatest common factor

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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