10a(-6a^2+2a-7)
re-written in standard form
-60a^3+20a^2-70a
Hope this helps :-)
There are seven days in the week, and the 4th of July could be on any of them, so it has a 1/7 chance of being on a Sunday.
DC/AC=EC/BC
x/(x+3)=10/16
10(x+3)=16x
10x+30=16x
30=6x
x=5
DC=x=5
DC=5 units long
10/16=DE/AB, DE=y
10/16=y/10
16*y=10*10
y=6.25≈6.3
DE≈6.3
960 watt-hpd
5 x 60/6 = 50
50 x 960 = 48,000
Answer is: -->> 48,000
A) 5/100 x 420 = 21
21 x 12 x 3= 756
420 x 12 x 3 = 15,120
15,120+756= 15,876
b) 4/100 x 420= $16.8
