2x(3+x)-6
6x+2x^2-6
2x^2+6x-6
1 hour = 3600 s
1 day = 24 hours = 24 x 3600 = <span>86400 seconds
1 day ...... 86400 seconds
365 days ..... t seconds
t= 365 x 86400 /1 = </span><span>31536000
So, we have </span>31536000 seconds in 365 days. => 31536000 seconds = 1 year <span>
--------------------------------------------------------------
1 year ........ </span><span>31536000 seconds
15 years .......... z seconds
z = 15 x </span><span>31536000 / 1
z= </span><span>473040000
So, 15 years = </span><span>473040000 seconds !!!!!!
</span><span>Done.
</span>
Answer:
A,D,E
Step-by-step explanation:
i. 2t+3t=6t
5t=6t
ii. 2a+2b=4ab
iii. x+3=4x
Answer:
im sorry i dont remember that one
Step-by-step explanation: