3 years ago

Need help asap!! This math is due in like 5 minutes and really need help

Mathematics

1 answer:

nignag [31]3 years ago

4 0

Answer:

(x+100) = 120 & 6x= 120

Step-by-step explanation:

Vertical angles Rule:

(x+100)=6x

100=5x

20=x

Knowing what x is, just plug it back in to the original problems and solve!

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yarga [219]

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3 years ago

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 $y = 18$ :