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miv72 [106K]
3 years ago
8

How do u add and subtract negative fractions?

Mathematics
2 answers:
Ksju [112]3 years ago
8 0

When you are adding or subtracting a negative fraction, you usually want to consider the numerator as negative. The method is just the same, except now you may need to add negative or positive numerators. The LCM of and is . To add the fractions with unlike denominators, rename the fractions with a common denominator.

Montano1993 [528]3 years ago
4 0
It’s just like solving a positive fraction find a common denominator and Add or subtract
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The distance the ships traveled are like the legs of a triangle and the question wants to know the hypotenuse. To find the hypotenuse, use the pythagorean theorem. this is a^2 + b^2 = c^2, with a and b being the legs and c being the <span>hypotenuse.
</span>Plug in known values:
84^2 + 62^2 = c^2
Solve:
84^2 = 7056
62^2 = 3844
7056 + 3844 = c^2
7056 + 3844 = 10900
10900 = c^2
Now you just need to isolate c by finding the square root of both sides.
√10900 = 104.403
√c^2 = c

So c = 104.403, or just 104.40 when rounded to the nearest tenth.
And if c is 104.40, then that means the hypotenuse is 104.40.
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3 years ago
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2 years ago
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2 years ago
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6 0
3 years ago
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I really need help with this last problem
gogolik [260]

Answer:


Step-by-step explanation:

a. Profit, p, earned from selling x hats when hat will be sold for $12 each:

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3 0
3 years ago
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