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Rom4ik [11]
3 years ago
5

3/5, 1/3 common denominator

Mathematics
2 answers:
4vir4ik [10]3 years ago
7 0
3/5*3/3=9/15
1/3*5/5=5/15
15 is a common denominator.
nordsb [41]3 years ago
5 0
15. Just check it lol, if you keep on adding 3 as you are adding 5 to the other denominator, both numbers will eventually reach 15.
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On a math test, 5 out of 20 students got an A. If three students are chosen at random without replacement, what is the probabili
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Answer:

5

Step-by-step explanation:

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4 years ago
The numerator of fraction is 1 less then its denominator if the numerator is increased by 5 the new fraction becomes equivalent
jek_recluse [69]

Answer:

4/5

Step-by-step explanation:

the numerator of fraction is 1 less than its denominator. If the numerator is increased by 4 and the denominator is increased by 5, the new fraction becomes equivalent to 4/5. what is the original fraction?

Let n = numerator

d = denominator

n = d - 1

\frac{d - 1}{d}

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cross multiply

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original fraction 4/5

8 0
3 years ago
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5 0
3 years ago
Hiro and his co-workers had lunch at a restaurant near their work. An 18% tip on their bill was $10.08. How much was the bill, n
Ghella [55]

Answer:

$8.27

Step-by-step explanation:

First we need to find the tip.  We know it was 18% of the total. So...

x (the variable we need to find)         18%

__                                                   =     ___

10.08 (the total bill including tip)        100%

cross multiply

100x = 181.44

--------------------   (divide by 100 to get x by itself)

100

x = 1.81 (The 18% tip that was given)

So now we know how much the tip was, we subtract it from the bill

10.08 - 1.81 = $8.27

5 0
3 years ago
Help plsplspls asap !! :)
nlexa [21]

Answer:

lets just say the f stands for 1 and 1 times negative 4 is negative 4

and 5 will stay 5 the equation would be -4/5 so after u divide the 4 and the five you get negative 1

8 0
3 years ago
Read 2 more answers
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