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WINSTONCH [101]
3 years ago
9

What is the least common denominator of the four fractions listed below 20 7/10, 20 3/4, 18 9/10, 20 18/25

Mathematics
1 answer:
Feliz [49]3 years ago
7 0
So what you do is see all the denomenators and factor them (denomenaotrs are the bottom numbres)

10,4,10,25
10=2 times 5
4=2 times 2
10=2 times 5
25=5 times 5
we need to include all of them so we need at leas two 2's, and two 5's
2 times 2 times 5 times 5=100
leact common denomator is 100
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What is the common difference of 80,60,45,33.75
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The common difference (or common ratio) = 0.75

Step-by-step explanation:

i) let the first term be a_{1} = 80

ii) let the second term be a_{2}  = a_{1} . r = 80 × r = 60      ∴  r = \frac{60}{80} = 0.75

iii) let the third term be     a_{3}  = a_{2} . r = 60 × r = 45      ∴  r = \frac{45}{60} = 0.75

iv) let the fourth term be   a_{4} = a_{3} . r = 45 × r = 33.75   ∴ r = \frac{33.75}{45} = 0.75

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4 years ago
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Bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
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The total number of golf balls that Mr.Cooper has in the 3 pails is 305

<h3><u>Solution:</u></h3>

It is given that Mr. Cooper has 3 pails with golf balls in them.

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The second has 105 golf balls and the third has 113 golf balls.  

We need to find the total number of golf balls that Mr. Cooper has in the 3 pails.

To find the total number of golf balls we need to add the number of balls in each pail.

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Therefore, the total number of golf balls in all 3 pails combined it 305

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