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Mathematics 19 Online
OpenStudy (anonymous):

The surface area of a cube is 486 ft2. What is the area of one face of this cube?

OpenStudy (anonymous):

@ilovehorses14

OpenStudy (ilovehorses14):

hold on a sec

OpenStudy (anonymous):

What is the surface area of a triangular pyramid if each face has an area of 30 mm2? A. 160 mm2 B. 90 mm2 C. 60 mm2 D. 120 mm2

OpenStudy (ilovehorses14):

:3

OpenStudy (anonymous):

This prism has a volume of 112 cm3. What would the volume of the prism be if each dimension was doubled? (Scale factor is 2.) A. 896 cm3 B. 336 cm3 C. 224 cm3 D. 448 cm3

563blackghost (563blackghost):

First double the length, width, and height... \(\Large{6 \times 2}\), \(\Large{7\times2}\), and \(\Large{2 \times2}\)... what would be the new length, width, and height?

563blackghost (563blackghost):

meant 8 times 2 not 6 times 2

OpenStudy (anonymous):

42; 14; 4

OpenStudy (anonymous):

do i add them together

OpenStudy (anonymous):

16;14;4

OpenStudy (anonymous):

A

563blackghost (563blackghost):

Correct ^^ Great Job!

OpenStudy (anonymous):

Which is true about the volume or surface area of these prisms? A. The volume of B is greater than the volume of A. B. The surface area of A is greater than the surface area of B. C. The surface area of B is greater than the surface area of A. D. The volume of A is greater than the volume of B.

OpenStudy (anonymous):

help please

563blackghost (563blackghost):

its best not to post many question in one post....post this question up with this new question ^^

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