Q4, 4y²=60
y=√15 ( i am not sure)
q6, (5+y) ²=81
5+y=9
y=4
q7 (x+4) (x) =77
x²+4x-77=0
(x+11) (x-7) =0
x=-11(rej) or x=7
therefore ,length= 7+4=11cm
breadth=7cm
Answer:
first one i believe
Step-by-step explanation:
Answer:
If you are looking for the coordinates they land on it would be (1,1).
Step-by-step explanation:
If the slope is 8 that would be 8/1. So first you start of at -7 on the y-axis then you move upwards 8 spaces so that your new y-axis is 1, then you move right 1 so that your new x-axis is 1.
Answer:
You can buy 4 of the $30 pack of bulbs.
Step-by-step explanation:
$200-$80=120
120/30=4