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Stells [14]
4 years ago
9

Find two numbers, if Their sum is −7 and their difference is 14

Mathematics
1 answer:
Schach [20]4 years ago
7 0

let those numbers be x and y

According to your question

x + y = -7

x - y =14

adding both equations

2x = 7

or x = 7/2

substitute value of x in either equation

y = -21/2

So,

x= 7/2

y=-21/2

Hope this helps!

Thanks

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Answer:

15.766

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17 menos 1.234 es 15

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3 years ago
35% of salt is in feta cheese. What percentage of salt is in that 350 g cheese?
xxMikexx [17]

The amount of salt is in the 350 g of feta cheese, when there is 35% of salt is in cheese, is 122.5 grams.

<h3>What is percentage of a number?</h3>

Percentage of a number is the part of the whole number which is expressed in the fraction of hundredth. It is represented with "%" symbol.

35% of salt is in feta cheese. The percentage of salt is in that 350 g cheese has to be found out.

Let suppose there is x grams of slat in feta cheese of 350 g. Thus, the amount of salt (35% of 350) is,

x=\dfrac{35}{100}\times350\\x=122.5\rm\; gm

Thus, the amount of salt is in the 350 g of feta cheese, when there is 35% of salt is in cheese, is 122.5 grams.

Learn more about the percentage here;

brainly.com/question/2085058

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5 0
2 years ago
The perimeter of a rectangle is 24 feet. The length is 3 feet less than twice the width. Which of the following systems would be
Temka [501]

the answer would be, "The width is" all of the other information is neccesary!! You could not solve the problem without knowing what the the toal is and what the length is!! You need that info. So "the width is" is not important cuz if you were to take 24 and divide it by 3 * 2 you would have the width.

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3 years ago
What is the length of the line?
g100num [7]

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Step-by-step explanation:

8 0
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yarga [219]

Answer:

The distance between the two points is approximately 11 units

Step-by-step explanation:

Here, we are to give the distance between the given two points to the nearest whole number;

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8 0
3 years ago
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