3 years ago

Constant of Variation

Mathematics

1 answer:

Makovka662 [10]3 years ago

7 0

Answer:

Step Explanation:

I calculated it logically

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A total of raffle tickets were sold at a school fair

Elis [28]

Answer:

ok and what else there is 80 percent left

Step-by-step explanation:

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3 years ago

Someone please help me

Dmitry [639]

Answer:

The slope is 2.2

Step-by-step explanation:

Since the point goes through (0,0) the slope is given by

m =y/x

4.4 / 2

2.2

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4 years ago

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write an equation of a line in the slope intercept form when the slope is 2 and the y intercept is -3

Digiron [165]

Answer:

y=2x-3

Step-by-step explanation:

y=mx+b where m=slope and b=y-intercept

y=2x-3

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3 years ago

HELP FAST PLEASE!!!

Alisiya [41]

Answer:

$y = -0.75x + 9.5$

Step-by-step explanation:

Equation of a circle is given as :

$(x-a)^{2} + (y-b)^2 = r^{2} \\(x-6)^{2} + (y-5)^2 = 4^{2}\\x^{2} - 12x + 36 + y^{2} -10y + 25 = 16\\x^{2} - 12x + y^{2} -10y + 45 = 0\\$

Take the derivative of the above with respect to x

$2x - 12 + 2y dy/dx - 10 dy/dy = 0\\\frac{dx}{dy} = \frac{6 - x}{y-5} \\At (2,8) dy/dx = (6-2)/(8-5) = 4/3\\dy/dx = 4/3\\The slope of the tangent to the circle, m = \frac{-1}{dy/dx} \\m = \frac{-1}{4/3}\\m= -0.75$

The equation of the tangent is given by :

$y - y_{1} = m(x - x_{1})\\ y - 8 = -0.75(x - 2)\\y - 8 = -0.75x + 1.5\\y = -0.75x + 9.5$

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2x + 14 + x =(3x + 6)

aksik [14]

Answer:

0=8, no soluction

Red

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