2 years ago

Explain how to subtract two integers in your own words

1 answer:

8 0

To subtract integers, change the sign on the integer that is to be subtracted.
If both signs are positive, the answer will be positive. Example: 14 - (-6) = 14 + 6 = 20.
If both signs are negative, the answer will be negative. ...
If the signs are different subtract the smaller absolute value from the larger absolute value.

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Step-by-step explanation:

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2 years ago

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Helena needs 3.5 cups of flour per loaf of bread and 2.5 cups of flour per batch of muffins. She also needs 0.75 cup of sugar pe

vesna_86 [32]

Let
x = loaves of bread
y = batches of muffins
You must make a system of two equations with two unknowns that describe the problem
3.5x + 2.5y = 17 --- (1)
0.75x + 0.75y = 4.5 --- (2)
Resolving we have
x = 6-y (from (2))
replacing in (1)
3.5 (6-y) + 2.5y = 17
21 - 3.5y + 2.5y = 17
y = 21-17 = 4
Then substituting in (2)
x = 6-y = 6-4 = 2
Answer
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8 0

3 years ago

Find and sketch the domain of the function. f(x,y)=√(4-x^2-y^2) +√(1-x^2)<br>

elena55 [62]

Answer:

Hello

Step-by-step explanation:

The domain is limited with 2 lines parallel: -1 ≤ x ≤ 1

and the disk ? (inside of a circle) of center (0,0) and radius 2

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2 years ago