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AleksandrR [38]

3 years ago

7

The equation of the line is

1 answer:

levacccp [35]3 years ago

8 0

Y=-2x+4 i think but i’m not 100% sure

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It is known that the point P(-9,18) belongs to the graph of the function y=k/x. Find k.

riadik2000 [5.3K]

Answer:

$k = (-162)$ .

Step-by-step explanation:

A point of the form $(x_{0},\, y_{0})$ belongs to the graph of this function, $y = k / x$ , if and only if the equation of this function holds after substituting in $x = x_{0}$ and $y = y_{0}$ .

The question states that the point $(-9,\, 18)$ belongs to the graph of this function. Thus, the equation of this function, $y = k / x$ , should hold after substituting in $x = (-9)$ and $y = 18$ :

$y = k / x$ .

$18 = k / (-9)$ .

Solve this equation for the constant $k$ :

$\begin{aligned}k &= 18 \times (-9) \\ &= (-162)\end{aligned}$ .

Thus, $k = (-162)$ .

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2 years ago

Explain in a minimum of 2 sentences how to graph the equation of the absolute value function given a vertex of (-1,3) and a valu

VladimirAG [237]

This would be y = |x+1| + 3

7 0

3 years ago

last year janes wages were $80 per week her wages are now $86 per week.Calculate the percentage increased.

xenn [34]

Answer:

7.5%

Step-by-step explanation:

86 - 80 / 80 = 0.075

so 7.5%

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3 years ago

A restaurant can make 95 dinners each night the restaurant has been sold out of 7 nights in a row how many dinners were sold dur

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What is an equation in point-slope form of the line that passes through (1, −6) and (4, 6)?

padilas [110]

Answer:

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Step-by-step explanation:

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3 years ago