3 years ago

How many triangles can you make from a 3x3 square?

Mathematics

1 answer:

Soloha48 [4]3 years ago

7 0

You can make 4 triangles out of a 3x3 square.

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Answer:h=f(X)-x-k

Step-by-step explanation:

F(x)=x+ h+k

h = F(x)-x -k

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Step-by-step explanation:

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Find the distance between the pair of points: (3,1) and (4,-5).

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2 years ago

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On a coordinate plane, a line goes through (negative 5, negative 4) and (0, negative 3). A point is at (negative 2, 2). What is

Sav [38]

Answer:

Second option: $y=\frac{1}{5}x+\frac{12}{5}$

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

$y=mx+b$

Where "m" is the slope and "b" is the y-intercept.

We know that a line goes through the points $(-5,-4)$ and $(0,-3)$

Since the line intersects the y-axis when $x=0$ , then the y-intercept of this line is:

$b=-3$

Substitute the y-intercept and coordinates of the point $(-5,-4)$ into the equation $y=mx+b$ and solve for "m":

$-4=m(-5)-3\\\\-4+3=-5m\\\\m=\frac{-1}{-5}\\\\m=\frac{1}{5}$

By definition, the slopes of parallel lines are equal, then the slope of the other line is:

$m=\frac{1}{5}$

Knowing that it passes through the point $(-2, 2)$ , we can substitute values into the equation $y=mx+b$ and solve for "b":

$2=\frac{1}{5}(-2)+b\\\\2+\frac{2}{5}=b\\\\b=\frac{12}{5}$

Therefoe, the equation of this line is:

$y=\frac{1}{5}x+\frac{12}{5}$

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3 years ago

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