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If you go 38 hours without sleeping starting at 8 am, and then you sleep for the next 11 hours, what time will it be when you wake up?

9am
JD
Answered by Joshua D. • Maths tutor
1686 Views

Given a=2, b=-5, c=0.5, d=-20 ... find abc, and 2d+10c

abc = 2 x -5 x 0.5= -10 x 0.5= -20 / 2= -10 2d+10c= 2(-20) + 10(0.5)= - 40 + 5= -35
JC
Answered by James C. • Maths tutor
1530 Views

Write each of the following numbers to 2 decimal places: 65.4632, 9.8971.

When writing numbers to two decimal places, we need to look at the third digit after the decimal place first. If it is 4 or under, then we can just finish the number after the second digit after the decimal ...
ZS
Answered by Zak S. • Maths tutor
4034 Views

Solve the quadratic equation x^2+4x+6=0

x = (-b ± √(b 2 - 4ac ))/2aa=1 b=4 c=6-4 ± √(4 2 - 4*6) = -2 ± √(4 2 - 12) = -4 ± √(16- 12) = -4 ± √4 = -4 ± 2x= (-4 ± 2)/2x 1 = -4 + 2 / 2 = -2/2 = -1x 2 = -4 - 2 = -6/2 = -3
TD
Answered by Tutor531443 D. • Maths tutor
1674 Views

What are the suvat equations and how would you apply them to a question ?

the four suvat equations are:s=ut+0.5at 2 v 2 =u 2 +2asv=u+ats=0.5(u+v)ts=displacement u=initial velocity v=final velocity a=acceleration t=time for most suvat equations you will be given 3 of the 5 quantiti...
TA
Answered by Temi A. • Maths tutor
3997 Views