4 years ago

Draw a model The sum of 3sixteen and 2 nines

1 answer:

7 0

You would draw 48 counters and 18 counters which would be 66 counters in total. The picture is 1 of the sixteens and 1 of the nines. Sorry, if I misunderstood or got it wrong, I tried. If you don't understand something or I left out something, tell me in the comments.

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3 years ago

Find the diameter of the sphere with the volume of 36 pi cubic units

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${ \tt{volume = \frac{4}{3} \pi {r}^{3} }} \\ 36\pi = \frac{4}{3} \pi \times {(2d)}^{3} \\ \frac{36 \times 3}{4} = 8 {d}^{3} \\ 27 = 8 {d}^{3} \\ {d}^{3} = \frac{27}{8} \\ diameter = 1.5 \: units$