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yulyashka [42]
3 years ago
7

Maria is making a candle in the shape of a cylinder. She wants the candle to have a height of 3 cm and a radius of 2 cm. How muc

h wax does Maria need?
12 cm3
12 cm2
18 cm3
20 cm2
Mathematics
2 answers:
den301095 [7]3 years ago
3 0

Answer:

V(cylinder) = πr²h

h=3 cm

r=2 cm

V(cylinder) = πr²h = π*2²*3 =12π cm³

Answer : 12π cm³.

QveST [7]3 years ago
3 0

Answer: A

Step-by-step explanation:

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3 years ago
Jose has saved $75 to take tutoring classes. He must pay a registration fee of $15 and then an additional $6 for each class.
bonufazy [111]

Answer:

15+6x=75

Step-by-step explanation:

15 is the starting fee and it is 6$ per class so it would be 6x+15=75

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3 years ago
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Alenkasestr [34]

Answer:

1/3 is answer.

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8 0
3 years ago
"take a number x, double it and then take that result away from 10"<br><br>Write as an expression
Yuki888 [10]

Word Problem:

Take a number, <em>x</em>, double it and then take that result away from 10.

Expression:

10-(2x)

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3 years ago
I do not understand this question, anyone help? Most brainiest for the right answer!
Oksi-84 [34.3K]

Answer:

56.7

Step-by-step explanation:

We know

mean = sum / count, with count being the amount of papers corrected in this case. We want to find the sum of all the papers as well as the count to figure out the mean of all papers.

For Tony's papers,

mean = sum / count

50 = sum / 40

multiply both sides by 40 to isolate the sum

sum = 50 * 40 = 2000

For Alice's papers,

mean = sum / count

70 = sum / 20

multiply both sides by 20 to isolate the sum

70 * 20 = sum = 1400

The total sum of all 60 papers is equal to the sum of 40 papers + the sum of the remaining 20 papers, or 2000 + 1400 = 3400. The mean of the 60 papers is therefore

mean = sum / count

mean = 3400/60 ≈ 56.7

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3 years ago
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