Answer:
First graph = 2/9
Second graph = 3/7
Third graph = 1/5
Step-by-step explanation:
Unit rate can be defined as number of y units changed with respect to the number of x units changed.
Consider the first graph, we can see that for x=9, the change that occurs in y is equals to 2 units. So its units can be given as 2/9
Consider the second graph, we can see that for x=7, the change that occurs in y is equals to 3 units. So its units can be given as 3/7
Consider the third graph, we can see that for x=5, the change that occurs in y is equals to 1 units. So its units can be given as 1/5.
Answer: Sorry not sure.
Step-by-step explanation:
It is 5 and you dont lnow it because of the explanau
Answer: 35° and 55°
Step-by-step explanation:
For complementary angle, their total value equals to 90°.
Let the measure of the angle be y.
Therefore the complement will be:
= 90° - y
The measure of an angle plus twice its complement is equal to 145 can be expressed as:
y + 2(90 - y) = 145
y + 180 - 2y = 145
y = 180 - 145
y = 35°
The angle is 35° and its complement will be:
= 90 - y
= 90 - 35
= 55°
(x+1)(x-2) = x(x-2) + 1(x-2)
= x.x - x . 2 + 1. x - 1 . 2
= x² - 2x + x -2
= x²-x -2
^_^