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Mathematics 8 Online
OpenStudy (anonymous):

Need help on this review

OpenStudy (anonymous):

OpenStudy (anonymous):

it is number 69 and some

OpenStudy (saifoo.khan):

The machine question?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

is it congruent ?

OpenStudy (saifoo.khan):

it's B or C.

OpenStudy (anonymous):

okay B

OpenStudy (anonymous):

is that right ?

OpenStudy (saifoo.khan):

how are u sure about B?

OpenStudy (anonymous):

wait would it be congruent because it is identical

OpenStudy (saifoo.khan):

Wait. yes. you are correct.

OpenStudy (anonymous):

yeah

OpenStudy (saifoo.khan):

Yes you are correct.

OpenStudy (anonymous):

can we do another one ?

OpenStudy (saifoo.khan):

No, i charge 100 for next question.

OpenStudy (saifoo.khan):

Lol, just kidding.. which one?

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

70

OpenStudy (saifoo.khan):

This will help you, http://www.shmoop.com/images/prealgebra/unit4/pa.4.155.png :)

OpenStudy (anonymous):

should the quadrilaterals go in a certain order

OpenStudy (anonymous):

yeah thats it thanks

OpenStudy (saifoo.khan):

so which one you got?

OpenStudy (anonymous):

B

OpenStudy (saifoo.khan):

Perfect, same! :D

OpenStudy (anonymous):

yeah :)

OpenStudy (anonymous):

i believe 71 is B

OpenStudy (saifoo.khan):

Ok, so for 3rd question, $200.

OpenStudy (anonymous):

which question ?

OpenStudy (saifoo.khan):

Nope, it can't be B. in^2 is used for area.. While we have to calculate the volume of water. Therefore we will use in^3

OpenStudy (anonymous):

oh

OpenStudy (saifoo.khan):

i solved 1st question for free. second question, $100. third, $200.

OpenStudy (anonymous):

you were basing that by using the volume ?

OpenStudy (saifoo.khan):

Yes sir. Coz it says "amount of liquid". but idk we can use A as well.. like if we measure in height of the cylinder.

OpenStudy (anonymous):

okay i understand now ty

OpenStudy (saifoo.khan):

Which one do you choose?

OpenStudy (anonymous):

A

OpenStudy (saifoo.khan):

WAITTTTTTTTTTTT. it will be C for sure.

OpenStudy (anonymous):

for number 72

OpenStudy (saifoo.khan):

Coz it says, just any cylindrical container..

OpenStudy (anonymous):

oh yeah for 71 it is because of the volume sorry thought you were asking for number 72

OpenStudy (anonymous):

i got inches cubed

OpenStudy (saifoo.khan):

For 73, im getting E = 4, F = 4

OpenStudy (anonymous):

me 2

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