SOMEONE PLZZZ HELP!!!!!
Sheila observes the Bermuda Triangle on two maps of different sizes. The triangles are similar and have dimensions, in centimeters, as shown in the figure below.
The larger one has the upper left length 6 and the base of 3x the smaller triangle has the upper left length 5 and the base of x+3
What is the value, in centimeters, of x?

- anonymous

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- nirmalnema

6/3x=5/x+3
6(x+3)=15x
18=9X
x=2

- anonymous

thnx can you help me out with one more question

- dan815

the ratio of sides are equal in similar triangles

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## More answers

- nirmalnema

yaa i will try..

- dan815

|dw:1371142547163:dw|

- dan815

similar triangles so

- anonymous

what is the exact value of 8q^2/√q^17

- dan815

the length of the sides are different by some factor

- dan815

|dw:1371142719814:dw|

- nirmalnema

1st sq..the fraction...so its becomes 64q^4/q^17
64q^4-17=64q^-13 i think its the ans

- anonymous

yea both are wrong but ill give u another so i can figure out who to give the medal to.
simplify √m^18

- nirmalnema

m^9

- dan815

|dw:1371142959749:dw|

- anonymous

dqan the options are...

- anonymous

A.8√q/q^7
B. 8√q/q^6
C.8√q/q^5
D.8√q/q^4

- anonymous

8q^2
-----
√q^17
whats the exact value?

- dan815

|dw:1371143216230:dw|

- anonymous

A is the right answer

- dan815

|dw:1371143239427:dw|

- anonymous

ill give u a chance to redem ur self dan

- anonymous

Trevor is tiling his bathroom floor, which has an area that is represented as 175r^5 square inches. Each tile has an area of √64r^17The total number of tiles used can be represented by the expression below. 175r^5/√64r^17
Simplify the expression for the total number of tiles used. Show your work

- dan815

do u understand it simplfied to that

- dan815

go one question at a time... do u get how it simplfied to this

- dan815

|dw:1371143456837:dw|

- anonymous

yes i understand how to simplify that

- dan815

ok then do this 175r^5/√64r^17

- anonymous

lol i dont know how to simplify all of that

- dan815

start with the exponents what happens to that part

- anonymous

they factor out

- dan815

XD

- dan815

okay can u do this question first for me

- dan815

|dw:1371143776054:dw|

- anonymous

lol i have no fkin clue how to do this XD

- anonymous

x^6?

- anonymous

lol

- dan815

no

- anonymous

thyen its x^5

- dan815

x^2 means x*x
x^3 means x*x*x
so x^2*x^3=x*x*x*x*x= ?

- anonymous

cause when the exponent s are multiplied u just add them

- dan815

forget all that BS just understand what exponent means first of all

- dan815

math is very simple once you know the basic rules

- dan815

you need to know addition,subtraction , multiplication and division

- dan815

adding same number over and over is multiplication
multiplying same over and over = exponents

- dan815

r u getting this stuff

- dan815

|dw:1371144013413:dw|

- dan815

|dw:1371144037540:dw|

- dan815

come on MAANNN...

- anonymous

ok i got that part

- dan815

so???

- dan815

how can u represent that as an exponent

- dan815

|dw:1371144124847:dw|

- dan815

cant u see its X multipled by itself 5 times

- dan815

that is what we call x^5

- anonymous

ok i see so the first question u gave me for the exponents would be 175/64r^12

- dan815

yeah

- dan815

|dw:1371144257286:dw|

- dan815

see like this they cancel out because of this exponent property

- dan815

we use short form, and just subtract the exponents

- anonymous

ok wb the numbers then

- dan815

nothing, they cant be reduced any further

- anonymous

so my answer would be 175/√64r^12

- dan815

ya

- anonymous

are you sure i dont think that is right?

- dan815

u tell me.. u shud be sure, of your answer

- dan815

if you are not sure then you dont understand what u are doing

- dan815

you need understand till you are sure, this is the goal buddy

- anonymous

i understand how i got that but there asking for the total number of tiles he used not the simplified expression

- anonymous

- dan815

okay look the total area = 175r^5
and each tile has an area of 64r^17

- dan815

so to see how many tiles fit in this big area
we must divided Total Area/Area of each tile
= number of tiles

- anonymous

yes which is the expression 175r^5/√64r^17

- dan815

yes

- dan815

if ur still confused think about these easier questions simplify think about easier numbers and see what u wud do

- dan815

say a basket can fit 50 bananas
and you have 500 bananas how many baskets do you need?

- anonymous

10

- dan815

theyre asking you same thing here with harder numbers

- dan815

say a basket can fit 64r^17 bananas
and you have 175r^5 bananas how many baskets do you need?

- anonymous

thats what im trying to figure out! first i dont understand what the √ affects in my results second if i do this ill prob get a decmil and they dont want that so i am going t have to put the an expression down

- dan815

basically instead of bananas they are telling you that is area units and instead of basket we are putting it in a tile

- dan815

say a tile can fit 64r^17 area
and you have 175r^5 area how many tiles do you need?

- dan815

forget that tedious stuff understand this basic math concepts this is what is really important

- dan815

this is what will really improve your math

- dan815

you dont need to worry about the answer value.. just know how you can do it

- anonymous

like 2.73 tiles

- dan815

no i dont want the answer dude.. i just want the way you do it

- dan815

say a basket can fit 50 bananas
and you have 350 bananas how many baskets do you need?

- dan815

do this just give me what u are going to do to get answer i dont want answer

- dan815

just an expression

- anonymous

50/350=7

- dan815

wrong

- anonymous

uuuuuuuuuuuugggggggghhhhhh

- dan815

its 350/50....

- dan815

say a tile can fit 64r^17 area
and you have 175r^5 area how many tiles do you need?

- anonymous

thats what i ment sry i typed it wrong

- dan815

now ur done, do some other questions now

- anonymous

64r^17/175^5

- dan815

WRONG AGAIN

- dan815

sIGH

- dan815

you are letting the numbers confuse you

- anonymous

i typed it backwards again my bad

- dan815

just stop thinking about the numbers please think about the concept

- dan815

i dont know if i can believe that ur making these mistakes by accident...

- anonymous

|dw:1371145415725:dw|i understand the concpt :

- dan815

my advice to you is... dont think too much, if you dont understand something, just ask your teacher till you understand

- dan815

yes ok good draw pictures in your mind

- anonymous

i get it how many little tiles go in the big one

- dan815

this is all i ask of you

- dan815

u get a medal for visualizing correct

- anonymous

wait i still need help finding the answer its the last question i have on the test PPPPPPLLLLZZZZ

- dan815

now solve this for me|dw:1371145566708:dw|

- dan815

oh this is a test... sorry i cant help u anymore

- anonymous

its a practice test

- dan815

take a screen shot and show me its a practice test

- anonymous

how do i do that

- dan815

ctrl+printscreen button on keyboard

- dan815

then open pain and paste it there
pressing ctrl+v
and save it and send on here

- anonymous

i dont see a print screen button

- dan815

ok i cant help u then sry

- anonymous

dude how am i going to finish this :(

- dan815

if its a practice test, how come the answers arent given to you

- anonymous

they are on 1-18 the last 2 questions are written

- dan815

anyway what more help u need?? u understand what we did so far right

- anonymous

yes i just need to figure out the steps to simplifieing that expression to its simpliest for

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