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garri49 [273]
4 years ago
15

Find the lengths of two segments whose sum is 45 and whose ratio is 2:3

Advanced Placement (AP)
1 answer:
sasho [114]4 years ago
3 0
Take the lengths as 2x and 3x.
As per the question,
2x + 3x = 45
5x = 45
So, x = 45/5 = 9
To find the length of 1st segment : 2x = 2 * 9 = 18
And the length of the 2nd segment: 3x = 3 * 9 = 27

Hope this helps! :)
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The correct answer to this open question is the following.

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3 years ago
What was the dominant export of colonies in Brazil and the Caribbean?
Nikitich [7]

The dominant export in the colonies of Brazil and the Caribbeans was the sugar.

Explanation:

When the Europeans settled into the New World, they saw that numerous areas have great potential when it comes to production of agricultural goods. Some agricultural goods were very attractive to the people in Europe, were in high demand, and were well paid. One of those goods was the sugar, which was made from the sugar cane.

The sugar cane requires tropical climate, where it is warm all year around, there is high amounts of rainfall, and high humidity. The colonies that were established in Brazil and the Caribbeans were ideal for establishing plantations with sugar cane, hence to produce high quantities of sugar. Because of the sugar, these colonies were gaining lot of wealth.

Some of the other crops that were planted in the New World and fall into the category of cash crops were:

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5 0
3 years ago
Find the correlation coefficient, r, of the data described below,
sergejj [24]

Answer:

r = 0.7575

Explanation:

Result Details & Calculation

This is a strong positive correlation, which means that high X variable scores go with high Y variable scores (and vice versa).

X Values

∑ = 78

Mean = 15.6

∑(X - Mx)2 = SSx = 337.2

Y Values

∑ = 428

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R Calculation

r = ∑((X - My)(Y - Mx)) / √((SSx)(SSy))

r = 105.2 / √((337.2)(57.2)) = 0.7575

Meta Numerics (cross-check)

r = 0.7575

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