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CaHeK987 [17]
3 years ago
14

What is the surface area of a prism

Mathematics
2 answers:
Alex17521 [72]3 years ago
7 0
First, you get the area of the triangle like this in the attachment and you get 108 
and you times 15 and 20 to get 300 add those up to "fill" up your 3D shape

Umnica [9.8K]3 years ago
5 0
Well, you do the area of each individual side and add them together. The triangles have an area 108 square inches. The two 15 inch sides each have an area of 300 square inches each. And the bottom face has an area of 480 inches squared. You add them all together to get= 108+108+300+300+480, which is equal to 1,296 square inches. 
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A dry cleaner charges $18 to clean 4 pairs of pants.   How many pairs of pants can be cleaned for $27 at the same rate?
blondinia [14]

4 pairs of pants for $18.

Divide price by quantity to get the cost of 1 pair of pants:

18 / 4 = 4.50 per pair.


Divide 27 by 4.50 to find number of pairs:

27 / 4.5 = 6

6 pairs of pants can be cleaned for $27.

5 0
4 years ago
Three consecutive integers have a sum of 87. Find the integers.
ozzi

Answer:

  • 28, 29, 30

Step-by-step explanation:

<u>Let the integers be x- 1, x and x +1, then:</u>

  • x - 1 + x + x + 1 = 87
  • 3x = 87
  • x = 29

The integers are 28, 29, 30

8 0
3 years ago
Read 2 more answers
Could someone please help me solve this? Brainly if correct
Scorpion4ik [409]

You will need to deposit  $ 10,957 each year until retirement to achieve your retirement goals.

<h3>What is compound interest, and how does it work?</h3>

Compound interest is computed on a loan or deposit based on the starting principle and the preceding period's accrued interest.

Principal(P)=$40,000

(Time period)T=25+15 = 40 year

R=8%

The final balance is $273,938.99 and the total compound interest is $233,938.99.

The amount he has to deposit each year is found as;

⇒$273,938.99/25

⇒ $ 10,957

Hence. you will need to deposit  $ 10,957 each year until retirement to achieve your retirement goals.

To learn more about compound interest, refer to brainly.com/question/14295570

#SPJ1

7 0
2 years ago
15 POINTS PLEASE HELP!!!
Elan Coil [88]

Answer:

S

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the scale factor of triangle ABC to triangle DEF. <br> A: 2<br> B: 1/2<br> C: 1/6<br> D: 6
Fudgin [204]
Little tip ** if u r going from a larger shape to a smaller shape, the scale factor is going to be a proper fraction....a number less then 1 but greater then 0

BC = 66......EF = 11.......66 times what is 11
66x = 11
x = 11/66 reduces to 1/6
so 66 * 1/6 = 11

now compare the other sides...
42 * 1/6 = 7.......looks like AC and DF
72 * 1/6 = 12...looks like Ab and DE

so ur multiplying every number in the big triangle by 1/6 , and getting the measures of the little triangle....so ur scale factor is 1/6 <==

8 0
3 years ago
Read 2 more answers
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