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2 years ago

What is the volume of this cone?

Mathematics

1 answer:

Ksju [112]2 years ago

7 0

Answer:

Its neither because the answer is 167.55

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Eighty, decreased by three times a

Marina86 [1]

Answer:

The number is 9.

Step-by-step explanation:

Lets write this as an equation first. We'll substitute the number for the variable x.

80 - 3x = 5x + 8

First, let's add 3x to both sides.

80 - 3x + 3x = 5x + 3x + 8

80 = 8x + 8

Next, let's subtract 8 from both sides.

80 - 8 = 8x + 8 - 8

72 = 8x

Finally, let's divide both sides by 8.

72/8 = 8x/8

9 = x

"x" is 9.

So the secret number is 9.

P.S.

This is my first answer to a Brainly question so please don't complain!

6 0

2 years ago

Solve 7n + 4 < 9n – 3.

soldier1979 [14.2K]

I hope this helps you

6 0

2 years ago

Angel is x years old, in 15 years how old will Angel be?

Verizon [17]

The age would increase by 15 years that is, x+15

8 0

2 years ago

What is the answer to the fraction 2 ⅓+⅚=

kramer

Answer:

Step-by-step explanation:

$2 \frac {1}{3}+\frac{5}{6}\\=\frac{7}{3}+\frac{5}{6}\\=\frac{14+5}{6}\\=\frac{19}{6}\\=3 \frac{1}{6}$

8 0

2 years ago

Read 2 more answers

There are three nursing positions to be filled at Lilly Hospital. Position 1 is the day nursing supervisor; position 2 is the ni

Stels [109]

Answer:

There are 1716 ways the three positions can be filled by these applicants.

Step-by-step explanation:

Permutation is the number of arrangement of k items from n distinct items.

$^{n}P_{k}=\frac{n!}{(n-k)!}$

For example, permutation can be used to compute the number of ways to arrange 4 mathematics books together when arranging all the 7 books on a shelf.

In this case there are 3 available nursing positions to be filled.

A total of 13 candidates are qualified for all the three positions.

Then the number of ways the 3 positions can be filled by the 13 candidates can be determine using permutation.

Compute the possible number of selections as follows:

$^{13}P_{3}=\frac{13!}{(13-3)!}=\frac{13!}{10!}=\frac{13\times 12\times 11\times 10!}{10!}=1716$

Thus, there are 1716 ways the three positions can be filled by these applicants.

3 0

2 years ago