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Lisa [10]
3 years ago
12

Write equation to the line when m=2 and b=-1 Thanks!

Mathematics
1 answer:
vaieri [72.5K]3 years ago
6 0
The equation of a line in slope intercept form is y=mx+b, which when you plug in the numbers becomes y=2x-1.
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ΔABC is a 45 - 45 - 90 triangle. The pattern of its sides is as follows:

Each leg = 1 unit (and both legs are that way, since the triangle is isosceles - so two sides are the same)

Hypotenuse = √2 units.

So if we know either leg, we multiply by √2 to get the hypotenuse. In reverse, we divide by √2 if we know the hypotenuse to get the measurement of a leg.

Our problem tells us that the hypotenuse AC is 10 units. We divide 10 by √2 to get the measurement of leg AB. Since it's a 45 -45 - 90 triangle, AB = BC.

AB = \frac{10}{\sqrt{2}}

= \frac{10\sqrt{2}}{\sqrt{2}\sqrt{2}} to rationalize the radical

= \frac{10\sqrt{2}}{2} = 5\sqrt{2}

Thus, each leg is 5\sqrt{2} [/tex].

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Answer:

\sqrt{2^{5}  } is correct

Step-by-step explanation:

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How do I set up the equation for this?
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Answer:

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