Answer:
Step-by-step explanation:
10.
coeff= 2
11.
coeff= -16
Step-by-step explanation:
|y – 3| − 4 ≤ −3
|y – 3| ≤ -3+4
|y – 3| ≤ 1
-1 ≤ y-3 ≤ 1
=> -1 ≤ y - 3 or y - 3 ≤ 1 (the first option)
Answer:
720º
Step-by-step explanation:
We can use vertical angles to figure this out. We can see that each of the unmarked angles in the triangles is a vertical angle to an empty space. A full circle has the measure of 360º. We need half of that which is 180º.
The sum of the angle measures of a triangle is 180º. We have five triangles so the total angle meaure is 900º.
However, we need to subtract the 180º to get 720º.
It would take 2 hours. To complete the whole lawn you would need:
To make a whole, so to get that we multiply:
So we use the same number required for the whole lawn, and multiply it times the hours