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Mathematics 20 Online
OpenStudy (anonymous):

How much wrapping is used to cover one Toblerone chocolate bar. Assume there is no over lap.

OpenStudy (anonymous):

OpenStudy (anonymous):

any help

OpenStudy (anonymous):

it should be about 408cm

OpenStudy (anonymous):

how?

OpenStudy (anonymous):

you find the are of the rectangle and triangle and add the 3 rectangles and the 2 triangles together

OpenStudy (anonymous):

working out?

OpenStudy (anonymous):

21*6=126 for 1 rectangle 126*3=378 three rectangles 5*6=30 Both Triangles 378+30=408

OpenStudy (anonymous):

why 126*3

OpenStudy (anonymous):

because there are 3 rectangles

OpenStudy (anonymous):

and 126 is the are of just 1

OpenStudy (anonymous):

*area

OpenStudy (anonymous):

ohh okay

OpenStudy (anonymous):

so for my answer do i write there is 408cm of wrapping used in a toblerone chocolate bar?

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

okay. and one of the other questions ask what is the volume in cubic centimetre of the toblerone chocolate bar

OpenStudy (anonymous):

can u help me with that question

OpenStudy (anonymous):

volume=1/2*length*width*height

OpenStudy (anonymous):

so V= 1/2*(5)*(6)*(21) V=315cm^3

OpenStudy (anonymous):

nice

OpenStudy (anonymous):

okay man love ya cuz for helping me out

OpenStudy (anonymous):

would you mind helping me out with 2 other questions?

OpenStudy (anonymous):

yea sure remember to give me medals and be a fan of mine

OpenStudy (anonymous):

np

OpenStudy (anonymous):

done

OpenStudy (anonymous):

just give me a sec to write the question and stuff.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

The water tank above is installed outside your home. What is the volume of this tank, in cubic centimetres.

OpenStudy (anonymous):

ok V=3.14r^2h

OpenStudy (anonymous):

V=3.14*600^2*1800

OpenStudy (anonymous):

what does the arrow pointing upwards stand for?

OpenStudy (anonymous):

exponent

OpenStudy (anonymous):

ohh

OpenStudy (anonymous):

so the answer is 2034720000

OpenStudy (anonymous):

r=.6m i forgot to convert mm to m and then to cm

OpenStudy (anonymous):

ohh

OpenStudy (anonymous):

after u get the answer can u write it altogether because getting kinda confused thnx

OpenStudy (anonymous):

V=203472cm^3

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

V=3.14*.6^2*1800 V=2034.72m^3 2034.72m^3*100=203472cm^3

OpenStudy (anonymous):

okay.

OpenStudy (anonymous):

and the lastr question What is the capacity in millimetres.

OpenStudy (anonymous):

do u get this?

OpenStudy (anonymous):

the capacity for what?

OpenStudy (anonymous):

the water tank

OpenStudy (anonymous):

oh ok

OpenStudy (anonymous):

you have to find the volume again but this time convert it to mm

OpenStudy (anonymous):

ohh

OpenStudy (anonymous):

so

OpenStudy (anonymous):

Capacity of water tank is 2034720mm

OpenStudy (anonymous):

2034.72m^3x1000

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

okay man love ya

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