2 years ago

Can repeating decimals be written as a fraction?

Mathematics

1 answer:

Lilit [14]2 years ago

6 0

Answer:

yea i think yea yes yes yes yes

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What is the system of elimination for y= -3x+5 y= -8x+25

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Y=-3x+5
y=-8x+25

-3x+5=-8x+25
-20=-5x
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y=-3(4)+5=-7

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Given: sin θ = 0.8660 hypotenuse = 0.25 Find: θ = (please explain).

Bad White [126]

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Given that

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If f(x) is a linear function, f(−2)=4, and f(1)=−1, find an equation for f(x)

juin [17]

Answer:

$y = -\frac{5}{3}x+\frac{2}{3}$

Step-by-step explanation:

Given

$f(-2) = 4$

$f(1) = -1$

Required

The equation of the function

The given parameters means that:

$(x_1,y_1) = (-2,4)$

$(x_2,y_2) = (1,-1)$

Calculate the slope (m)

$m = \frac{y_2 -y_1}{x_2 -x_1}$

$m = \frac{-1-4}{1--2}$

$m = \frac{-5}{3}$

The equation is then calculated using:

$y = m(x - x_1) + y_1$

This gives:

$y =\frac{-5}{3}(x--2)+4$

$y =\frac{-5}{3}(x+2)+4$

Open bracket

$y = -\frac{5}{3}x-\frac{10}{3}+4$

Take LCM

$y = -\frac{5}{3}x+\frac{-10+12}{3}$

$y = -\frac{5}{3}x+\frac{2}{3}$

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