2 years ago

A cheetah runs at a speed of 150 kmph. It covers a distance of 750 m in:

Mathematics

1 answer:

posledela2 years ago

5 0

69699696969699696969969696969969699696969969696996969696

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It costs $4.25 to buy 3/4 lb of sour belts.

Klio2033 [76]

Answer:

None of the above.

Step-by-step explanation:

Given equation:

4.25 * 3.5

The cost of 3.5 lb of sour belts:

$14.875.

Simplify:

14 7/8

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1 year ago

A sphere has a diameter of 4 x 10^-3 mm. What is the approximate volume of the sphere? Use 3.14 for pi.

kolezko [41]

Answer:

$3.349 \times {10}^{ - 10} \: {mm}^{3}$

Step-by-step explanation:

$d = 4 \times {10}^{ - 3} \: mm \\ r = 2 \times {10}^{ - 3} \: mm \\ V_{sphere} = \frac{4}{3} \pi {r}^{3} \\ = \frac{4}{3} \times 3.14 \times {(2 \times {10}^{ - 3} )}^{3} \\ = \frac{4}{3} \times 3.14 \times 8\times {10}^{ - 9} \\ = \frac{100.48}{3} \times {10}^{ - 9} \\ = 33.4933333\times {10}^{ - 9} \\ = 33.49 \times {10}^{ - 9} \\ = 3.349 \times {10}^{ - 10} \: {mm}^{3}$