The pythagorean theorem states that the sum of two legs to the 2nd power is equivalent to the hypotenuse to the 2nd power () . Do note that the pythagorean theorem only works with right triangles.
How to use Cosine to calculate the side of a right triangle?
1 answer:
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Answer:
Step-by-step explanation:
Add 9x to both sides:
Simplify:
Solve with the quadratic formula:
For a quadratic equation of the form the solutions are:
For
The solution to the quadratic equation are:
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Answer:
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Step-by-step explanation:
You need to solve the equation so that it looks like y = mb + b
So -15y = -5x + 105, then divide both sides by -15 so y = -5/-15 x + 105/-15
y = x - 7