Question

I NEED HELP NOW!!! i WILL GIVE A MEDAL!!!

Answer 1

where are the figures?

Answer 2

on the attachment

Answer 3

it is a square and a cylinder

Answer 4

i can try and walk you through it if u want

Answer 5

ok

Answer 6

first do you know what an expression is

Answer 7

yes

Answer 8

okay well then you first have to do is find the surface area by using the surface area equation and then find the volume using the equation that is used to find the volume. I dont know these two equations in my head but if you dont either just google them..let me know when you get done with that

Answer 9

maybe this will help too:
http://www.mathwarehouse.com/solid-geometry/triangular-prism/images/triangular-prism-formula-full-picture.jpg

Answer 10

I already tried to google them and ok, I will look at it!

Answer 11

but that is for a triangular prism

Answer 12

google it..i said i wasnt sure so i did and thats what came up..u try google it

Answer 13

right or rectangular prism
V = lwh
that's what I got

Answer 14

Okay what did you get for the surface area equation? And then you also need to find the volume of the figures you have

Answer 15

right cylinder
V = \[V = \pi r^2h\]
also something elsse I got

Answer 16

Surface Area of a Rectangular Prism = 2ab + 2bc + 2ac
Surface Area of a Cylinder = 2 pi r 2 + 2 pi r h

Answer 17

okay I think its that one now like I said use the values that you were given for the square prism to find its volume and then its surface area..let me know when youre done

Answer 18

ok

Answer 19

surface area divided by volume or SA/V

Answer 20

what?

Answer 21

to find the surface area-to-volume ratio you divide the surface area by the volume (SA/V)

Answer 22

No ...what did u get for the surface area of the square prism?

Answer 23

Im gonna be honest, I dont know how to, well I cant remember how to!

Answer 24

just use the formula..Dude I CANT GIVE you the answer because this website emailed me a user warning because I was just giving the answers to people instead of helping them so...

Answer 25

Whoa - slow down -

Look at the cuboid - it has 6 rectangular sides - 4 are the same and 2 are different

Add up all the areas to get the total

The volume of a cuboid is simply the 3 sides multiplied together

Answer 26

yeah, but it doesnt give me any numbers for part a

Answer 27

how would I find a?

Answer 28

this is algebra - you don't need the numbers - each of the letters represents a general number

So for instance the 4 sides which are the same have edges h and b, so their area is b*h

Answer 29

solving the question in 'general terms' first allows you to put any numbers in later to get the solution for a specific case

Answer 30

ok, that is kind of what I was telling Drsuz98 and she wasnt getting what I was saying

Answer 31

So - write an expression for the area of the cuboid - using the info I gave above, and the letters b and h

Answer 32

so bh and pi r^2h?

Answer 33

a has 2 parts - 1 is for the cuboid

Write its TOTAL area using b and h

Answer 34

how?

Answer 35

I'm not giving the answer

Do you know how to get the area of a rectangle form its sides?

Answer 36

Okay then???Sure Im not helping

Answer 37

Dude just study the formulas

Answer 38

learn the formulas and just put the numbers in.... Works like magic :)

Answer 39

Im not asking you to GIVE me the answer! Never mind, my mom is home, maybe she can help me! btw, Im not a dude! I am using my brothers account that he practically gave me cuz he doesnt use it anymore because he isnt in school anymore(he graduated)!

Answer 40

@cyberdemon93 This is not helpful - it works like magic if you know what the formulae mena

Answer 41

^^^true

Answer 42

Yeah I know what a formula means. And what I wanted to say was it's really easy when u try to solve it

Answer 43

I am willing to help - but not if your only response is to ask for 'how'

All the info you need is given above - but you must TRY to understand what it means

The letters allow you to make a 'general case' for ALL similar solutions - e.g. a cuboid has volume a*b*c

In the PARTICULAR case when you know a b and c THEN you put the numbers in to get a solution