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How did you approach it hailey?

I would say none. My answer does not show up as any of the multiple choices.

I am messaging you, but alas, you told me to not speaketh to you anymore...

I'm really sorry about that... My day is going fine...

'Twas many moons since I last saw a question written with so much skill, and elegance. I'll try my hardest, though I am not sure to what extent I may be able to help you. It is quite a difficult question...

             3+4=a

             a= 7

Area is the amount of square distance between the boundary of a two-dimensional figure. Volume is 3d and is the amount of cubic area inside a 3d figure such as a cube of rectangular figure. 

Area, or surface area simply relates to the flat part of a shape e.g. a square with sides of 10cm will have an area of 10*10 = 100cm^2

Whereas a volume relates to a 3D object and the space inside of it, e.g. a cube with sides of 10cm will have a volume of 10*10*10 = 1000cm^3

haha, I do not know if that's Jc or not.

he kicked my butt too )

By the units given, the initial speed is 2.5 ms^-1 where it's acceleration is 4.2 ms^-2.

doesn t it saying that initial speed was 2.5 and it speeded up to 4.2 in 6s 

You're welcome for kicking my butt? haha.

thanks

Simple SUVAT problem,

S = u + at
S = 2.5 + 4.2*6

S = 27.2 meters

Forget what I said. Mr. Guest just kicked my butt!!

1/7 = 0.1429 = 14.29%,

Therefore Luke did a greater percentage of his maths book.

I think that Brad did the most % of his work.

i think:

4.2-2.5 = 1.7      2.5+0.85 = 3.35 it is his avareage speed

3.35*6 = 20.1

the answer: 20

y² + 16 = 212

y^2=212-16

y^2=196

y=14          y=-14

4.33

Thanks heureka: brilliant work!. In my book it is stated slightly different: It is the sequence of natual or counting numbers added to prime numbers - 1. So, we have:

Counting numbers: 1, 2, 3, 4, 5, 6............

Prime numbers    + 2, 3, 5, 7, 11, 13...............

Subtract 1  from      2, 4, 7, 10, 15, 18..........etc.

each term

-5+squareroot4)7-3=2

-10 + 7 - 3 = 2

-6 = 2

=-3

I Think.. If thats what your asking...

Depends on how you're defining your brackets, if you mean

\(2\sqrt{3/3 + 1/1}\)

Then you'll get 2*sqrt2 = 2.828

Or if you mean

\(2\sqrt{3/3} + 1/1\)

Then you'll get 2*sqrt(1) + 1 = 2

Hello Melody:

There is a calculator online that you can download for free, which does this type of conversion and many things besides. It has a range that can go as high as 10^billion.........etc. It is an android calculator developed for Google and is called "HiPPER Calc". Just google its name and you will see it.

Thanks for answering that question! I kind of knew how to do it, But I didn't want to put half of my answer down..