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3 years ago

What does an equals 3 times 45

Mathematics

2 answers:

AleksAgata [21]3 years ago

7 0

Uh.... 45 plus 45 equals 90, then add 45 = 135

wariber [46]3 years ago

4 0

3*45=135
If multiplying large numbers is hard, look at how many groups of 45 you have (you have 3). You can add 3 sets of 45 to find the answer... 45+45+45=135

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3 years ago

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3 years ago

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ollegr [7]

Answer:

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3 years ago

Which solid has a greater volume? O A. Figure A 48 B. Figure B O C. they are equal A 2 O D. need more information

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9514 1404 393

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B. Figure B

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The figure is difficult to read. We assume the height of the pyramid is 9, and the radius of the cylinder is 1.

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V = 1/3Bh

V = 1/3(4²)(9) = 48 . . . cubic units

The cylinder volume is ...

V = πr²h

V = π(1²)(48) = 48π . . . cubic units

The cylinder has π times as much volume as the pyramid. Figure B is larger.

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<em>Additional comment</em>

If the diameter (not the radius) of the cylinder is 1 unit, then its volume is 12π cubic units and the pyramid has more volume.

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3 years ago