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Serhud [2]
3 years ago
6

Jim, Dan and David share some sweets in the ratio 3:1:5. Jim gets 21 sweets. How many more sweets does David get over Dan?

Mathematics
1 answer:
nadezda [96]3 years ago
8 0

Answer:

David gets 28 more than Dan

Step-by-step explanation:

Jim: Dan : David: total

3   :    1    :  5       : 3+1+5 = 9

Jim gets 21

21/3 = 7

Multiply each number by 7

Jim: Dan : David: total

3*7 :  1*7  :  5 *7  :  9*7

21  :   7     :  35   :  63

David has 35 and Dan has 7

35-7 = 28

David gets 28 more than Dan

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Write the following number by entering one digit in each box of the place value chart.
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Answer:

The number itself is 508.231

Step-by-step explanation:

Any multiplying each of the numbers, we will have the specific places

Hundreds

5 * 100 = 500

Tenths

0 * 10 = 0

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8 * 1 = 8

Tenths = 2 * 1/10 = 2/10 = 1/5 = 0.2

Hundredths = 3/100 = 0.03

Thousandths = 1/1000 = 0.001

So we simply sum all these to get the number itself as follows

500 + 8 + 0.2 + 0.03 + 0.001 = 508.231

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2 years ago
What is the volume of a right circular cone that has a height of 18.8 m and a base with a radius of 19.3 m
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Answer: 7,333.32 m3

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

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Replacing with the values given:

V = 1/3 π (19.3)^2 (18.8) = 7,333.32 m3

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Feel free to ask for more if needed or if you did not understand something.  

7 0
2 years ago
Read 2 more answers
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Answer:

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