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3 years ago

8

Maps are especially useful for showing aspects of the world that cannot be

1 answer:

ANTONII [103]3 years ago

3 0

Answer:

... that cannot be seen directly. These include political boundaries.

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A student reads a flyer on the campus bulletin board that says a researcher is searching for students to volunteer for a long-te

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Personality development is the advance of different conducts and attitudes that sets a person apart from others. This takes place thanks to the constant interaction of three factors: character, temperament, and the environment. These (and in some cases genetics) influence how a person interacts with the world he/she lives in.

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3 years ago

TuvIf you start at the equator and travel to 10° N, approximately how many kilometers (or miles) north of the equator will you b

Darya [45]

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Explanation:

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4 years ago

A metal sphere of radius 9 is melted and transformed into three identical spheres. b What is the ratio of the area of one of the

Romashka [77]

Answer:

25:52 the ratio of the area of one of these spheres to the area of the original sphere.

Explanation:

Radius of metal sphere ,R= 9

Volume of metallic sphere, V = $\frac{4}{3}\pi R^3$

Radius of small metal sphere = r

Volume of small sphere made form metal sphere = v

$v=\frac{4}{3}\pi r^3$

Volume of metallic sphere = Total volume of all 3 small spheres

V = 3v

$\frac{4}{3}\p R^3=3\times \frac{4}{3}\p r^3$

$R=\sqrt[3]{3}r$

Area of sphere = $4\pi (radius)^2$

Area of metal sphere = $A=4\pi R^2$

Area of small metal sphere = $A'=4\pi r^2$

The ratio of the area of small spheres to the area of the original sphere:

$\frac{A'}{A}=\frac{4\pi r^2}{4\pi R^2}=\frac{r^2}{R^2}$

$=\frac{r^2}{(\sqrt[3]{3}r)^2}=\frac{1}{(\sqrt[3]{3})^2}=\frac{1}{2.08}=\frac{25}{52}$

25:52 the ratio of the area of one of these spheres to the area of the original sphere.

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4 years ago