MATHEMATICS MIDDLE SCHOOL

Jennifer earns $0.18 each time she practices the piano. If Jennifer earned $4.32, how many piano lessons did she practice?

Answers

Answer 1
Answer:

Answer:

24 piano lessons

Step-by-step explanation:

$0.18: One time

$4.32: ? times

You have to divide 4.32 by 0.18 which will give you 24. So Jennifer practiced 24 times. :)

I hope that helps! :D

P.S. I don't know how you're supposed to do it (i.e. proportions, ratios, etc.), so that's why I did it the way I learned. I just want to say: there are more ways to do this problem. :)
Answer 2
Answer:

Answer:

24 piano lessons

Step-by-step explanation:

$0.18: One time

$4.32: ? times

You have to divide 4.32 by 0.18 which will give you 24. So Jennifer practiced 24 times. :)

I hope that helps! :D

P.S. I don't know how you're supposed to do it (i.e. proportions, ratios, etc.), so that's why I did it the way I learned. I just want to say: there are more ways to do this problem. :)

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Toni measured the height of her bedroom doorway with a measuring tape. She measured the height as 171 cm. The doorway’s actual height is 182.8 cm.What is the percent error in Toni’s measurement? Round to the nearest tenth of a percent, if necessary.A.0.12%B.6.5%C.6.9%D.11.8%
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Sue practiced playing the panio for 46 minutes. She ended at 7:35. What time did she begin?

Answers

the answer to this is 6:49
She began at 6:49. Hoped it helped please Mark the Branliest.

Which of the following sets of lengths can be used to form the sides of a triangle? Explain your reasoning.5 inches, 18 inches, 20 inches

3 inches, 16 inches, 22 inches

4 inches, 5 inches, 9 inches

Answers

Answer:A can be use to form a triangle.

Step-by-step explanation:

a+b>C

5+18 >20

23>20

SO this is a triangle since if you add A and B together it is greater than C.

I am a # that rounds to 40. One of my digits is 3. What # am I? Could i be a different number? Explain your thinking.

Answers

Well, if your # round's to 40 then your number is either, 35,36,37,38,39,43.
Yes, you could be a different number you could be 6 different numbers. I'm thinking you could be some where in the middle of 35,36,37,38,39,43. ( If you are asking your self why is 43 in this, this is because 43 round's to 40. I would have gone all the way to 45 but I remembered that you stated that the # has a 3 in it)

So your answer is, 35,36,37,38,39,43. (It could be any number in that line)

Good luck on your home work!
Hope this help's!

55% as a fraction or mixed number in simplest form

Answers

55/100 would be the easiest way to express 55% as a fraction.
55/100 would be as a fraction then you would simpilfy it to 11/20.

Glen collects a total of 450 stamps from the United States,Great Britain,and India. In his collection, 52% of the stamps are US stamps. He has 3/5 as many Indian stamps as British stamps. How many Indian stamps does Glen have? What percent of Glen' collection are British stamps?

Answers

50% of 450 = 225
2% of 450 = 4.5 x 2 = 9
so 52% of 450 is 234 (US Stamps)

~

450 - 234 = 216
216 / 8 = 27

27 x 5 = 135 (British Stamps)
[135 / 450 = 3 / 10 = 30%]

27 x 3 = 81 (Indian Stamps)
[81/135 = 3/5]

~

Indian Stamps 81
British Stamps (% of collection) 30%

Write the equation in function form then graph it
5x-2y=6
thx to the ppl who help

Answers

5x-2y=6 \n \n -2y =-5x + 6 \ \ /:(-2)\n \ny =(-5)/(-2)x + (6 )/(-2) \n \ny =( 5)/( 2)x -3
y=2.5x-3
points: 0,3
then go up 2.5 and over o the right by 1
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