Estimate 95 to 90 and 8 to 10
now multiply 90 and 10 = 900
X= 2 and x= -8/6 if you make it = 0
(10x-20)(6x+8)=0
10x-20=0
10x=20
x=2
6x+8=0
6x=-8
x=-8/6
Answer:
d. (9,-260°)
Step-by-step explanation:
100° = 100-360 = -260°
Answer:
245
Step-by-step explanation:
let 'c' = total coins
2/7 = 70/c
2c = 490
c = 245
