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boyakko [2]
3 years ago
7

Please help what is 80 less than x?

Mathematics
2 answers:
Cloud [144]3 years ago
6 0

Answer:

it will be equal to

x-80

hope so u understand it

Vitek1552 [10]3 years ago
5 0

Answer:

x - 80

Step-by-step explanation:

"80 less than x"

__________________

We have the expression 80 less than x. X has no artifical value therefore we do nothing with it. Based off of the wording of the sentence, it says that the total of this unknown number is 80 less than x. Meaning the 80 has been subtracted by x to get this unknown number. Therefore,

x - 80

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A farmer plans to fence a rectangular corral. The diagonal distance from one corner of the corral to the opposite corner is five
garik1379 [7]

Answer:

Length of diagonal is 7.3 yards.

Step-by-step explanation:

Given: The diagonal distance from one corner of the corral to the opposite corner is five yards longer than the width of the corral. The length of the corral is three times the width.

To find: The length of the diagonal of the corral.

Solution: Let the width of the rectangular garden be <em>x</em> yards.

So, the length of the diagonal is x+5

width of the rectangular corral is 3x

We know that the square of the diagonal is sum of the squares of the length and width.

So,

(3x)^{2} +x^{2} =(x+5)^{2}

9x^{2} +x^{2} =x^{2}+10x+25

9x^{2}-10x-25=0

9x^{2}-10x-25=0

x=\frac{-b\pm\sqrt{b^{2} -4ac} }{2a}

x=\frac{10\pm\sqrt{(-10)^{2} -4(9)(-25)} }{2(9)}

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Since, side can't be negative.

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Now, length of the diagonal is

5+\frac{5}{9}+\frac{5}{9}\sqrt{10}

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3 years ago
True or false. - 0.25 = - 1/4
Katena32 [7]

Answer:

true

Step-by-step explanation:

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