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Aleksandr-060686 [28]
3 years ago
14

Work out the percentage change when a price of £80 is increased to £100

Mathematics
1 answer:
WITCHER [35]3 years ago
4 0

Answer:

25%

Step-by-step explanation:

100 - 80 = 20 (change)

change / original price X 100

20 / 80 = 0.25

0.25 X 100 = 25

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. Find the smallest value of k such that 3240k is a perfect cube.
Karolina [17]

Answer:

3240=2^3*3^4*5=2^3*3^3*3*5

k*2^3*3^3*15

so  k=15^2=225

Step-by-step explanation:

7 0
4 years ago
Last year at a certain high school, there were 96 boys on the honor roll and 85 girls on the honor roll. This year, the number o
Lorico [155]

Step-by-step explanation:

Originally=96boys 85girls

increase 96 by25% that is 125/100×96=115.2boys

increase 85 by 20%. 120/100×85=102girls

total number before increase=96boys+85girls=181pupils

after increase=115boys+102girls=217pupils

Percentage increase=increase/original number×100%

increase=217-181=36

36/181×100%

=19.889(to the nearest tenth)

=19.9%

8 0
3 years ago
Does stencil two overlap exactly with the original image? Describe what you see. After the transformations are complete, what ca
blsea [12.9K]

Answer:No, stencil two does not overlap the original pattern exactly. Not all the points on stencil two coincide with the points on the original pattern. There is a subtle difference near the boundaries of the two shapes.

Step-by-step explanation: change it up its the one from the site

6 0
3 years ago
Pamela’s age is three times jiri’s age the sum their ages is 40.what is jiri age
Lina20 [59]

Answer:

<h2>Jiri is 10 years old.</h2>

Step-by-step explanation:

J-\text{Jiri's a}\text{ge}\\3J-\text{Pamela's a}\text{ge}\\40-\text{the sum their ages}\\\\\bold{EQUATION:}\\\\J+3J=40\\4J=40\qquad\text{divide both sides by 4}\\J=10

5 0
3 years ago
You start an account with $500 and an intend rate of 6% compounded yearly. How much is in the account after 3 years?
lilavasa [31]
$595.51

Work 500x1.06=530x1.06=561.80x1.06=595.508

Rate is .06. But if you put 1 in front of number it automatically added last year with the following year
7 0
4 years ago
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