When attempting to find the value of a variable, our first step is to isolate the variable. In this case, the variable is a. To do this, we must divide each side by factors that do not contain the variable. After completing this step, we quickly note that x and y will be on the same side of the equal sign:
a =
+
Answer:
c
Step-by-step explanation:
Let the points be P (-85,-10) and Q (12,-2)
Distance PQ = 97.3
Refer image
<h3>
Answer: Choice B</h3>
Explanation:
You divide the opposite side over the hypotenuse to compute the sine ratio of the angle. If angle Y is the reference angle, then side XZ = 7.4 is the opposite side and YZ = 10.9 is the hypotenuse (always opposite the 90 degree angle).
Therefore,
sin(Y) = opposite/hypotenuse
sin(Y) = 7.4/10.9
sin(Y) = 0.678899
sin(Y) = 0.68