3 years ago

On the map of the United States shown below, four lines have been drawn and labeled A, B, C, and D

1 answer:

6 0

Mesosphere is the layer after stratosphere, which is after troposphere, as seen from Earth in the direction of Space.

It starts at 60 km and ends at 120 km, after which comes the termosphere.

So we're looking for a line that's closest to 100 km, and this is the shortest line, A.

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The product of two consecutive numbers is 14 less than 10 times the smaller number. find each number

Helen [10]

The consecutive numbers are either 2 and 3, or 7 and 8..

x(x+1) = x^2 + x
x^2 + x = 10x-14

quadratic form of x^2 + x = 10x-14:
x^2 - 9x + 14 = 0

(x-2)(x-7) = 0

x = 2, 7

so 2 and 3, or 7 and 8 are the answers

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3 years ago

Which large East African country has the distinction of never having been colonized by a world power? A. Ethiopia B. Somalia C.

Georgia [21]

A. Ethiopia; the rest have all been colonized.

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During what ERA dinosaurs appeared.

Tema [17]

Answer:

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