2 years ago

PLEASE HELP FAST!! i will mark brainiest

Mathematics

2 answers:

SSSSS [86.1K]2 years ago

5 0

Answer:

Step-by-step explanation:

Multiple --> Subtraction/addition

8g^6(h^4)k^12 - (h^25)k^15

vekshin12 years ago

5 0

Answer:

Step-by-step explanation:

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Determine the volume of the figure. Use 3.14 for π. Round your answer to the nearest tenth. Show all of your work.

Ostrovityanka [42]

Answer:

1985 cubic units (written as un. with the cubed exponent)

Step-by-step explanation:

First, you find the volume of the cylinder

Here's the formula:

$V=\pi r^{2}h\\V=volume\\r=radius\\h=height$

Now, you plug in and solve.

$V=(3.14)(7.2^{2})(7.4)\\V=(3.14)(51.84)(7.4)\\V=(162.7776)(7.4)\\V=1204.55424\\rounded:\\V=1204.6$

Then, you find the volume of the dome.

Here's the formula:

$volume/of/a/sphere=\frac{4}{3}\pi r^{3}\\volume/of/a/dome:\\V=\frac{2}{3}\pi r^{3} \\V=volume\\r=radius$

Now, you just plug in and solve.

$V=(\frac{2}{3})(\pi)(r^{3})\\V=(\frac{2}{3})(3.14)(7.2^{3})\\V=(\frac{2}{3})(3.14)(373.248)\\V=(2.093)(373.248)\\V=781.208064\\rounded:\\V=781.2$

Finally, you add them together, and there's your answer!

$1204.6+781.2=1985.8$

Hope this helped!

<em>brainliest?</em>

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Whay will most likely happen to students test scores if the number of hours they use social media increases? A test score will i

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In a fish tank 8over11 of the fish have a red stripe on them if 16 of the fish have stripes, how many total fish are

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8/11 of what = 16

8/11x = 16
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