HELP PLEASE!!!!!!!!!!!!! PLZZZ
2 answers:
You might be interested in
Sine, cosine, and tangent ratios help to identify the angles of a right triangle when the sides are known and vice versa. The sine ratio for this particular problem can be found by dividing the opposite side of B by the hypotenuse.
The opposite side of B is 8
The adjacent side of B is 10
The hypotenuse of the right triangle is 13.
As the sine ratio can be found by dividing the opposite side of B (which is 8), by the hypotenuse (which is 13), the sine ratio for this particular problem is
The opposite side of B is 8
The adjacent side of B is 10
The hypotenuse of the right triangle is 13.
As the sine ratio can be found by dividing the opposite side of B (which is 8), by the hypotenuse (which is 13), the sine ratio for this particular problem is
Answer:
Step-by-step explanation:
Compare to
.
We have .
The quadratic formula is for solving equations of the form and is
.
So we are going to plug in our values in that formula to find our solutions,x.
If you want to notice it in parts you can.
Example I might break it into these parts and then put it in:
Part 1: Evaluate
Part 2: Evaluate
Part 3: Evaluate
------Let's do these parts.
Part 1: .
This part 1 is important in determining the kinds of solutions you have. It is called the discriminant. If it is positive, you have two real solutions. If it is negative, you have no real solutions (both of the solutions are complex). If it is 0, you have one real solution.
Part 2: since
.
Part 3: .
Let's plug this in:
or in terms of our parts:
40 itself is not a perfect square but it does contain a factor that is. That factor is 4.
So we are going to rewrite 40 as .
I'm going to go ahead and separate the fraction like so:
Now I'm going to reduce both fractions: