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Y_Kistochka [10]
3 years ago
10

X+5÷9=3 What is the number where when you add 5 then divide it by 9 it is 3?

Mathematics
1 answer:
andrew11 [14]3 years ago
7 0

Answer:

22 + 5 ÷ 9 = 3

Proof:

27/9

= 3

the number is 22

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We have the right angle triangle. We know the sum of measures of angles in triangle is equal 180°. Therefore:

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x^2+14^2=(10+x)^2\\\\x^2+196=10^2+2\cdot10\cdot x+x^2\ \ \ \ |-x^2\\\\196=100+20x\ \ \ |-100\\\\20x=96\ \ \ |:20\\\\x=4.8

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TRUE: 1; 2; 4

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We find a slope of the line OP:

m=\dfrac{y_2-y_1}{x_2-x_1}\\\\O(2;\ 6)\to x_1=2;\ y_1=6\\\\P(4;\ 3)\to x_2=4;\ y_2=3\\\\m=\dfrac{3-6}{4-2}=\dfrac{-3}{2}

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So. We have the answer! :)

Answer:\ \boxed{y=\dfrac{2}{3}x+\dfrac{1}{3}}

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