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Leokris [45]
2 years ago
13

Please help me with this - its about percent changes

Mathematics
1 answer:
Serhud [2]2 years ago
6 0

Answer:

110.06

Step-by-step explanation:

Make a ratio: 95.20 / x = 86.5 / 100   (86.5 = 100% - 13.5%)

Cross multiply: 95.20 x 100 = 86.5x

9520 = 86.5x

110.06 = x

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Two buildings have 60 floors altogether. Building A has 3 floors for every 2 floors of building B.How many floors does each buil
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For this question, building A would have 36 floors, and building B would have 24 floors. I hope I helped!

Please let me know if I was right! Thanks!
6 0
3 years ago
What is the simplified form of the expression k^3(k7/5)^-5
saveliy_v [14]
The expression can be simplified as:

k^3(k7/5)^-5
= k^(3+-5) * (7/5)^-5
(Collecting the powers of k at one side and the constants at other side)
= k^-2 * (5/7)^5
(Solving thr integer powers)
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4 0
3 years ago
Maria-Jose is a math tutor. She charges a one-time introduction fee of $25.00 and the cost of the tutoring sessions is shown bel
Feliz [49]

Answer:

y=6x+25

Step-by-step explanation:

y will be the whole cost. 6 is how many sessions you have and x is the cost of each of those sessions. The one time introduction fee is 25. you would add 25 plus 6 times the cost of sessions (x) and you would get your answer (y).

3 0
3 years ago
Divide 25 by 8. Write the quotient with a fraction?
marshall27 [118]
25/8 8x3=24   3 1/8 is the answer
6 0
3 years ago
The radius of a cylindrical construction pipe is 1.5ft . If the pipe is 14ft long, what is its volume? Use the value 3.14 for π
Lady bird [3.3K]

Answer:

Volume of cylinder =989 ft cube

Step-by-step explanation:

<u>Volume of cylinder</u>

Volume V = πr²h

r - radius and h - height

It is given that,

The radius of a cylindrical construction pipe is 1.5ft and

Length of pipe = 14 ft

<u>To find volume of cylinder</u>

Volume V = πr²h

V = 3.14 x 1.5 x1.5 x 14 =989.1 ≈ 989 ft cube

5 0
3 years ago
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