Answer:
28 times
Step-by-step explanation:
2.8414 x 10^9 ÷ 1.0127 x 10^8
(2.8414 ÷ 1.0127) · (10^9 ÷ 10^8)
2.8 x 10
28
Answer:
90 degrees and 180 degrees
Step-by-step explanation:
90 degrees and 180 degrees
I think it’s .22 I’m not sure hope this helps :)
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
