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3 years ago

14

For a company picnic, Trisha ordered a box of fresh-baked gingerbread cookies and sugar cookies. The box included a total of 40

cookies, and 90% of them were gingerbread. How many gingerbread cookies did Trisha get?

1 answer:

kvasek [131]3 years ago

8 0

Answer:

Easy, the answer is 36

Step-by-step explanation:

40 divided by 0.90 is 44, and 44 minus 8 is 36

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A bowl is in the shape of a hemisphere (half a sphere) with a diameter of 8 inches. Find the volume of the bowl. Use 3.14 for pi

gayaneshka [121]

Answer: 267.947 (or 267.95) inches^3

Step-by-step explanation:

The formula for the volume of a sphere is $\frac{4}{3}\pi r^{3}$ .

To find your radius (r), divide the diameter of 8 inches by 2. <em>The radius is 4 inches.</em>

Plug in your numbers to the volume equation to get $\frac{4}{3} (3.14)(4^3)$ . The first step is to cube 4 (4*4*4) to get <em>64</em>. Now your equation is $\frac{4}{3}(3.14)(64)$ .

Multiply 3.14 and 64 to get <em>200.96</em>. The equation is now $\frac{4}{3}(200.96)$ or $\frac{4}{3} * \frac{200.96}{1}$ .

Multiply the numerators (4 * 200.96) and denominators (1 * 3) to get a final equation of $\frac{803.84}{3}$ .

Finally, divide 803.84 by 3 to get the final answer of 267.947 in^3.

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