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rodikova [14]
3 years ago
12

A paint can has a radius of 4 inches and a height of 15 inches. What is the volume of the paint can? Round to the nearest tenth.

Use 3.14 for . cubic inches
Mathematics
2 answers:
likoan [24]3 years ago
8 0

<u>Given</u><u>:</u>

  • Radius, r = 4 inches

  • Height, h = 15 inches

<u>To</u><u> </u><u>find</u><u> </u><u>out</u><u>:</u>

Find the Volume of given cylinder ?

<u>Formula</u><u> </u><u>used</u><u>:</u>

✪Volume of cylinder = πr²h

<u>Solution</u><u>:</u>

<u>\sf \bold{Volume \:  of cylinder \:  = \pi {r}^{2} h }</u>

<u>:  \implies3.14 \times  {4}^{2}  \times 15</u>

<u>: \implies3.14 \times 16 \times 15</u>

<u>:  \implies \red{753.6}</u>

Hence, the volume of given cylinder is 753.6 cubic inches.

konstantin123 [22]3 years ago
6 0

\huge\boxed{753.6\ \text{cubic inches}}

The volume of a cylinder can be represented by \pi r^2h, where r is the radius and h is the height.

In this case, we are told that \pi=3.14, r=4, and h=15.

Plug in the known values.

3.14*4^2*15

Find the power.

3.14*16*15

Multiply from left to right.

50.24*15

\large\boxed{753.6}

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. A boat traveled 300 miles in 15 hours. What<br> rate did the boat travel in miles per hour?
Gala2k [10]

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20

Step-by-step explanation:

divide 300 by 15 and there's your answer

8 0
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There's a bag of 10 marbles. Three of them are red, five are blue, and two are green. What's the probability of randomly picking
MakcuM [25]
There are 5 blue green marbles and 2 green marbles. Therefore, the probability would be 5 + 2 = 7/10 (D).
4 0
3 years ago
Read 2 more answers
How to substitution math work
vova2212 [387]
Well lets just we have

2x-3y=-2
4x+y=24
Well first we see we have "Y'" by itself which is great that means we can use substitution. So now we just set "Y"by itself. So subtract 4x on both sides and we get

y = -4x+24 now we just plug "Y" into the first equation
2x-3(-4x+24)=-2
Distribute the 3 and simplify and we get x=5

Plug (5) back into either top or bottom equations
4(5)+y=24
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5 0
4 years ago
The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $5 each and will sell 800
Nadya [2.5K]

Answer:

The expected value of the profit is $-1

Step-by-step explanation:

The expected value of any discrete variable X is calculate as:

E(X)=X1*P(X1)+X2*P(X3)+...+X3*P(X3)

Where X1, X2, ..., X3 are the values that the variable can take and P(X1), P(X2), ..., P(X3) are their probabilities.

In this case the variable X is the dollars that can win, so:

X1=$2,000

X2=$300

x3=$20

X4=$0

Then the probabilities can be calculate as:

P(X1)=\frac{1}{800}

P(X2)=\frac{3}{800}

P(X3)=\frac{15}{800}

P(X4)=\frac{781}{800}

Replacing the variables and probabilities on the equation of expected value we get:

E(X)=(2000*\frac{1}{800} )+(300*\frac{3}{800} )+(20*\frac{15}{800} )+(0*\frac{781}{800} )

E(X)=$4

Additionally, the student bought a ticket by $5, so the expected profit can be calculate as:

Expected Profit = Expected Earnings - Cost = $4  - $5 = $-1

Finally, the expected value of the profit is $-1

3 0
3 years ago
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