Mathematics Middle School

A drum of oil is 4 ft. hieight and the radius is 1.2 ft. Oil cost is $22. What is the cost per cubic ft. to fill the drum of oil?
Use 3.14 for pi.
Round answer to nearest penny.

Answers

Answer 1
3.14 • 1.2^2•4
= 18.0864 ft^3

18.0864 • 22
= $397.9
Answer 2
Answer : $1.2 per cubic foot

Explanation :
1. Do your radius to the power of two and multiply by pi (3.14)
2. That would be 4.5216 you then multiply that by 4(your height) and get about 18
3.You divide 22(cost of oil) by 18(drum of oil) and get about $1.2 per cubic foot

Hope this helps

Related Questions

I will give brainliest to the correct answer!!!

Don't forget...answer both questions

Answers

i think it is this.

1. 2/50

2.  1/10

1. 2/50
2. 1/50 then divided > multiply by 100

SOMEONE HELP ASAPPPP PLEASEEE,PLEASE EXPLAIN HOW U GOT YOUR ANSWER, I NEED AN EXPLANATION IN ORDER TO COMPLETE THIS! NO LINKS OR YOU WILL BE REPORTED, I WILL GIVE BRAINLIEST!!!!! I NEED THE ANSWER TODAY THIS ASSIGNMENT IS DUE TODAY

Answers

Answer:

x = 5

Step-by-step explanation:

4x + 2y + z = 24

2x - 3y - z = 2

5x + y + 2z = 21

-----------------

Eliminate z

Add the 1st and 2nd eqn

4x + 2y + z = 24

2x - 3y - z = 2

----------------

6x - 1y = 26 eqn A

Multiply the 2nd eqn by 2, then add the 3rd.

4x - 6y -2z = 4

5x + y + 2z = 21

----------------

9x - 5y = 25 eqn B

---------------

Now you have 2 eqns in 2 unknowns, not 3.

Multiply eqn A by 5 and subtract eqn B.

30x - 5y = 130 eqn A times 5

9x - 5y = 25 eqn B

-------------

21x = 105

x = 5

Answer:

x = 5 is the answer

Step-by-step explanation:

A music store bought a CD set at a cost of ​$20. When the store sold the CD​ set, the percent markup was ​%20. Find the selling price.

Answers

Answer:

$24

Step-by-step explanation:

20 * (1 + 0.2) = 24

Answer:

22

Step-by-step explanation:

20+ 20% =22

20% is 0.2 so your answer is 22 dollars

Help Asap Pls Hurry I Will Give Brainliest!

Answers

the answer is B
step by step explanation:
Triangle with 5,7, and 9 inches.

John has a box of nails. The box contains 65 small nails, 40 medium nails, and 45 large nails. Susan has a box of nails that has the same proportion of small, medium, and large nails as John's box. There are 176 medium nails in Susan's box.

What is the total number of nails in Susan's box?

Answers

Answer:

326

Step-by-step explanation:

Add a nails: 65+40+45+176= The answer

660

Step-by-step explanation:

John

65s (small)

40m (medium)

45 L (large)

Susan

x small

176m

y large

From question:

Susan has a box of nails that has the same proportion of small, medium, and large nails as John's box =Meaning same ratio

John ratio. Susan

s : m : L s : m : L

65 : 40 : 45. 13 : 8 : 9

13 : 8 : 9. x : 176 : y

x = (176/8)*13

=286

y = (176/8) * 9

= 198

Total number of nails in Susan box

= x + 176 + y

= 286 + 176 + 198

=660

е The solid shown below is made by combining two rectangular prisms. What is the volume of the solid?

A. 60 cubic inches
В. 120 cubic inches
C. 216 cubic inches
D. 48 cubic inches​

Answers

A 60 cubic inches because you have to split the prism in two and multiply the number by each other
The answer is
A. Sooo yeah 60cubic inches

***WILL MARK BRAINLIEST*** Write in Scientific Notation! #2

Answers

1) 50,400,000 or 5.04 x 10^7

2) 820,000 or 8.2 x 10^5

3) 0.0000334 or 3.34 x 10^-5

Good luck! :)))
1. 3400470
2.820000
3. About 3.34 times 10 to the -5th power

A student is using a spinner with four equal sections numbered 1 through 4. He also tosses a fair coin. What is the correct sample space for this compound event?

A. {H, T}

B. {(HT, 1), (HT, 2), (HT, 3), (HT, 4)}

C. {(1,H), (2,H), (3,H), (4,H), (1,T), (2,T), (3,T), (4,T)}

D. {1, 2, 3, 4}

Answers

Answer:

C. {(1,H), (2,H), (3,H), (4,H), (1,T), (2,T), (3,T), (4,T)}

anwser: C


stwo by step explanation:

plz help !

Question 11 of 14
Drag the operation signs to make the equation true. An operation may be used once. more than once, or not at all

Answers

it’s 12 DIVIDE (7-4)+5 TIMES 3=19
12 divide (7-4) plus 5 x 3= 19

Choose the inequality that represents the following graph

Answers

Answer:

Step-by-step explanation:

1) Check whether the graph is inclusive or exclusive. Inclusive graphs are equal to or greater/less than, whereas exclusive graphs are just greater/less than. A filled circle is inclusive, and a non-filled circle is exclusive. We see that in the graph, the circle is filled meaning it is inclusive. Secondly, we see that the number line goes forever when it is greater than(or equal to) 3. From these two pieces of information, we see that the answer is choice D.

Hope this helps! If not, feel free to ask any additional questions!

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