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Eduardwww [97]
3 years ago
6

Please Help Calculate!!!

Mathematics
1 answer:
Darina [25.2K]3 years ago
4 0

Answer:

1) 35

2) 1.51937984

Step-by-step explanation:

\frac{4/\frac{4}{7}•0.3}{2.88 ÷ 4.8}

\frac{21}{0.6}

21 ÷ 0.6

35

\frac{0.5 + \frac{1}{18}}{(1\frac{1}{6}-\frac{7}{18}}÷2.8

\frac{\frac{5}{9} }{0.36564625}

\frac{5}{9}÷0.36564625

1.51937984

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Find the area between the graph of the function and the x-axis over the given interval, if possible.
vodomira [7]

Answer:

A= -\frac{5}{-1} - \lim_{x\to\infty} \frac{5}{x-2} = 5-0 = 5

So then the integral converges and the area below the curve and the x axis would be 5.

Step-by-step explanation:

In order to calculate the area between the function and the x axis we need to solve the following integral:

A = \int_{-\infty}^1 \frac{5}{(x-2)^2}

For this case we can use the following substitution u = x-2 and we have dx = du

A = \int_{a}^b \frac{5}{u^2} du = 5\int_{a}^b u^{-2}du

And if we solve the integral we got:

A= -\frac{5}{u} \Big|_a^b

And we can rewrite the expression again in terms of x and we got:

A = -\frac{5}{x-2} \Big|_{-\infty}^1

And we can solve this using the fundamental theorem of calculus like this:

A= -\frac{5}{-1} - \lim_{x\to\infty} \frac{5}{x-2} = 5-0 = 5

So then the integral converges and the area below the curve and the x axis would be 5.

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Answer:

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Andrej [43]

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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