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balandron [24]
4 years ago
15

How to add fractions with different denominators and negative numbers?

Mathematics
1 answer:
Kisachek [45]4 years ago
8 0
Let find the least of common multiple = LCM it’s for the denominators.
Multiple of the numerator then the denominator to get the denominators
Don’t forget to to add the numerator but leave the denominators the same
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Can someone help mme
Vanyuwa [196]

Answer:

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5 0
3 years ago
Please help and show all work. thank you.
lubasha [3.4K]
Using pythog:-
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it means they represents a right triangle.
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7 0
3 years ago
Solve the system of equations. y =9x y =2x + 63
Zielflug [23.3K]
<span>y=2x+7 
y=9x+8 
From (1),
x= (y-7)/2
Substituting value of x in eqn (2) we get, 
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8 0
3 years ago
Read 2 more answers
A runner can run 5 miles in 26 minutes at this rate how many miles can he run and 41.6 minutes?
diamong [38]

Answer:

8 miles

Step-by-step explanation:

Given: A runner can run 5 miles in 26 minutes, 41.6 minutes = ___

To find: At this rate, how many miles can he run and 41.6 minutes?

Solution: If the runner ran 5 miles in 26 minutes, to find how far he ran in 41.6 minutes, set up a fraction:

let x be the variable

\frac{26}{5} = \frac{41.6}{x}

Apply fraction cross multiply;

26x=5\cdot \:41.6

26x = 208

Divide both sides by 26

\frac{26x}{26}=\frac{208}{26}

Simplify

x = 8

Then, at the rate, the runner ran 8 miles 41.6 minutes

8 0
3 years ago
Read 2 more answers
there are five numbers that average 260. Three of the numbers are 63, 41, and 36. The last two numbers are the same as each othe
WITCHER [35]

Answer:

70

Step-by-step explanation:

I added the numbers given then subtracted from the given number which left 140. The answer is the same number twice which would be 70.

6 0
3 years ago
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