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Darya [45]
3 years ago
9

The volume of a cylinder is 675π cm3. The radius of the base of the cylinder is 5 cm. What is the height of the​ cylinder?

Mathematics
1 answer:
frosja888 [35]3 years ago
4 0

Answer: 27 cm

Step-by-step explanation:

We know that the volume of a cylinder is V=\pi r^2h. Since we were given the volume and radius, we can plug them in and solve for height.

675\pi =\pi (5^2)h              [divide both sides by π]

675 = (5^2)h                  [exponent]

675=25h                     [divide both sides by 25]

h=27

Now, we know that the height is 27 cm.

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Ng Order of Operations George has $15. He would like to know if he has enough money to see a movie ($9.00) and buy a pretzel ($2
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Answer:

No, George does not have enough money to buy everything.

The correct expression is:

15 - 9 - 2.65 - 1.35 - 2(1.74)

Step-by-step explanation:

Given that:

Money present with George initially = $15

Money required to see the movie = $9

Money required to buy a pretzel = $2.65

Money required to buy a drink = $1.35

Money required to buy 2 veggie cups = $2(1.74)

To find:

Whether there is enough money with George to complete all the tasks.

Solution:

First of all, let us calculate all the money required and then we can subtract all the money from the initial amount to find whether there is enough money present with George.

If the result is in positive, there is enough money with George.

Total money required for all the activities = $9 + $2.65 + $1.35 + $2(1.74) = $16.48

Expression = $15 - $16.48 = -$1.48

The result is negative, therefore there is not enough money.

The correct expression is:

15 - 9 - 2.65 - 1.35 - 2(1.74)

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