3 years ago

Assume that y varies directly with x. If x=5 when y=-8 find x when y=16

2 answers:

8 0

Is it -10? Because -8 to 16 is multiplying by -2, so 5 x -2 = -10. I'm not sure though because I don't know exactly what 'varies directly' means.

3 0

The answer would be ×=-10. Because 2y would be equal to 2x. 2x= (-5*2)

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nalin [4]

Answer:

1.x^2-5x

2.2x^2+15x+18

3. x^2+20x+18

Step-by-step explanation:

1. x(x-5) x*x-5*x = x^2-5x

2. (x+6)(2x+3) x*2x+x*3+6*2x+6*3= 2x^2+15x+18

3.(2x^2+15x+18)-(x^2-5x)=x^2+20x+18

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3 years ago

icang [17]

Answer: 20/3

Step-by-step explanation: 3*6=18+2=20

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Marianna [84]

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Aleks04 [339]

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3 years ago

r-ruslan [8.4K]

Use sin, cos, tan formula

7 0

3 years ago