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Mathematics 9 Online
OpenStudy (anonymous):

The surface area of a triangular pyramid is 375.2 m2. What would change if the surface area were measured in square centimeters? A. The surface area of the pyramid would decrease. B. The surface area of the pyramid would increase. C. The surface area of the pyramid would stay the same, but the number representing the surface area would decrease. D. The surface area of the pyramid would stay the same, but the number representing the surface area would increase.

OpenStudy (anonymous):

@SolomonZelman

OpenStudy (anonymous):

plz help it's kinda the same thing

OpenStudy (anonymous):

plz help me someone make it not confusing

OpenStudy (calculusxy):

We are converting the unit of meters to centimeter. If we know that 1 meter = 100 centimeters then we have to know that multiplying by 100 will increase the number. The surface will stay the same, but it will increase when converted to square centimeters.

OpenStudy (anonymous):

thanks for coming i appreciate it.

OpenStudy (solomonzelman):

1 meter= 100 centimeters

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

The volume of a cube is 512 cm3. What would change if the volume of the cube were measured in cubic meters? A. The volume of the prism would decrease. B. The volume of the prism would increase. C. The number of cubic units would increase. D. The number of cubic units would decrease.

OpenStudy (anonymous):

you said this is C. too

OpenStudy (solomonzelman):

No!

OpenStudy (anonymous):

oh

OpenStudy (anonymous):

|dw:1384206623944:dw|

OpenStudy (anonymous):

Is this one D.

OpenStudy (anonymous):

The rectangular prism shown has a volume of 105 m3. This prism is enlarged using a scale factor of 4. What is the volume of the enlarged prism? A. 6720 m3 B. 1680 m3 C. 840 m3 D. 420 m3

OpenStudy (anonymous):

Solomon would it be D.

OpenStudy (agent0smith):

^When you enlarge a figure's sides by an amount, the volume increases by that factor cubed. Not D.

OpenStudy (anonymous):

Solomon what is it

OpenStudy (anonymous):

|dw:1384206937244:dw| he left

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