Find the Greatest Common Factor of 15 and 20

Mathematics

1 answer:

puteri [66]3 years ago

4 0

Answer:

Step-by-step explanation: i created the list of numbers.

15: 1,3,<u>5</u>,15

20: 1,2,4,<u>5</u>,10,20

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b) $y-2=-\frac{1}{3} (x-1)$

Step-by-step explanation:

We can write the equation of a line in 3 different forms including slope intercept, point-slope, and standard depending on the information we have. We have a point given and a slope from the equation. We will chose point-slope since we have a point and can find the slope.

Point slope: $y-y_1=m(x-x_1)$

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We will substitute $m=-\frac{1}{9}$ and $x_1=0\\y_1=0$ .

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This simplifies to:

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b) The equation y=3x+4 follows y=mx+b. For the perpendicular line, $m\neq 3$ . We will need to change it into its negative reciprocal which is $m=-\frac{1}{3}$ .