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Mathematics 17 Online
OpenStudy (anonymous):

@Directrix

OpenStudy (anonymous):

Directrix (directrix):

Just a minute.

OpenStudy (anonymous):

alright

Directrix (directrix):

What are the instructions on this?

Directrix (directrix):

@desfields901

OpenStudy (anonymous):

Find the volume of the lunch box shown here

OpenStudy (anonymous):

had to go back and look

Directrix (directrix):

The lunch box is a rectangular solid with half a cylinder on top. The task is to get the volume of the rectangular solid and then to add half the volume of the cylinder.

Directrix (directrix):

For the rectangular solid, multiply 10*6*6 to get its volume.

OpenStudy (anonymous):

360 in

Directrix (directrix):

Cubic inches

Directrix (directrix):

For the cylinder, V = π * 3² * 10

Directrix (directrix):

Is the answer to be left in terms of pi?

OpenStudy (anonymous):

a. 507 in3 c. 501 in3 b. 522 in3 d. 516 in3

OpenStudy (anonymous):

these are the options

Directrix (directrix):

No, so approximate for pi

OpenStudy (anonymous):

282.74

OpenStudy (anonymous):

im guessing i add them

Directrix (directrix):

Not yet. That is half a cylinder on top of the lunch box. So, divide 282.74 by 2 and then add what you get to the 360

OpenStudy (anonymous):

501in^3

Directrix (directrix):

Yes, but look at the option list. It goes A, C, B, D. So, check to see what is out of order in that list.

OpenStudy (anonymous):

c

Directrix (directrix):

Why is c ahead of b in the list? Look in your textbook

OpenStudy (anonymous):

the choices are horizontal so when you copy and paste them they get out of roder

Directrix (directrix):

In the book, which letter goes with 501?

OpenStudy (anonymous):

choice c is 501

Directrix (directrix):

Okay, good. That sort of thing can mess you up on a test.

OpenStudy (anonymous):

yea your right

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