162/60 = 2.7 heartbeats per second
For 13 a 0 degree line is a straight line
Answer:
x=1.4 y=2.8
Step-by-step explanation:
Lets substitute y with 2x. We get: 1.85x+7.4x=12.95.
Simplifying by combining x: 9.25x=12.95
Then you just divide 12.95 by 9.25: x=1.4
Now for y. We know why is 2x so we just have to multiply x by 2: y=2x, y=2.8.
Answer:
the area of the top and bottom are 16 so the area of the left and right must be less than 16 in order to make it a true rectangle