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3 years ago

Please help giving brainliest

Mathematics

2 answers:

-Dominant- [34]3 years ago

8 0

Answer: Volume is 330 and surface area is 390

Tom [10]3 years ago

8 0

Volume- 330 Surface area- 390

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Which expression is equivalent to (m^5n/pq^2)^4

tatuchka [14]

$\left( \cfrac{m^5n}{pq^2}\right)^4 = \cfrac{(m^5n)^4}{(pq^2)^4}= \cfrac{m^{20}n^4}{p^4q^8}$

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2 years ago

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What is 28 in hexadecimal?<br> a.2a<br> b.1a<br> c.1c<br> d.2c

igor_vitrenko [27]

Answer:

1C is the correct answer.

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2 years ago

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Josh bought a video game that was 40% off. He paid $50 for the video game. How much was the game ORIGINALLY?

Mrrafil [7]

Answer:

I did this in my head so I'm sorry if I'm not right but I believe its about $90 or $80

Step-by-step explanation:

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2 years ago

Someone help me with #51

Orlov [11]

850 x 0.05 = 42.5
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2 years ago

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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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3 years ago