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emmasim [6.3K]
3 years ago
13

Dylan opened a credit card account with $550.00 of available credit. Now that he has made some purchases, Dylan's account only h

as $335.50 of available credit. What is the percentage decrease of the amount of available credit in Dylan's account?
A- 64%
B-29%
C-39%
D-61%
Mathematics
2 answers:
gogolik [260]3 years ago
6 0

Answer:

The answer is any be A.

Step-by-step explanation:

patriot [66]3 years ago
4 0
The answer would be D

Solution:
You want to take your current amount which is 335.50$ and divide by whatever your total was which in this case it’s 550.00$.

335.50/550.00 = 61/100 • 100 = 61%
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given definite integral is:

\int\limits^7_4 {\frac{x}{2}+x^{3}} \, dx \\f(x)=\frac{x}{2}+x^{3}---(1)\\\Delta x=\frac{b-a}{n}\\\\\Delta x=\frac{7-4}{n}=\frac{3}{n}\\\\x_{i}=a+\Delta xi\\a= Lower Limit=4\\\implies x_{i}=4+\frac{3}{n}i---(2)\\\\then\\f(x_{i})=\frac{x_{i}}{2}+x_{i}^{3}

Substituting (2) in above

f(x_{i})=\frac{1}{2}(4+\frac{3}{n}i)+(4+\frac{3}{n}i)^{3}\\\\f(x_{i})=(2+\frac{3}{2n}i)+(64+\frac{27}{n^{3}}i^{3}+3(16)\frac{3}{n}i+3(4)\frac{9}{n^{2}}i^{2})\\\\f(x_{i})=\frac{27}{n^{3}}i^{3}+\frac{108}{n^{2}}i^{2}+\frac{3}{2n}i+\frac{144}{n}i+66\\\\f(x_{i})=\frac{27}{n^{3}}i^{3}+\frac{108}{n^{2}}i^{2}+\frac{291}{2n}i+66\\\\f(x_{i})=3[\frac{9}{n^{3}}i^{3}+\frac{36}{n^{2}}i^{2}+\frac{97}{2n}i+22]

Riemann sum is:

= \lim_{n \to \infty} \sum^{n} _{i=1}3[\frac{9}{n^{3}}i^{3}+\frac{36}{n^{2}}i^{2}+\frac{97}{2n}i+22]

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So if we want to know the least amount, we first want to assume the other two games both had a score of 52, so we can say the last one had the least possible.

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