3 years ago

O between DG. If DO=4x+1,GO=7 and DG=20, find x.

Mathematics

1 answer:

tiny-mole [99]3 years ago

3 0

9514 1404 393

Answer:

x = 3

Step-by-step explanation:

The whole is equal to the sum of the parts.

DG = DO +GO

20 = (4x +1) + 7

12 = 4x . . . . . . . . . . subtract 8

3 = x . . . . . . . . . . . divide by 4

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Pavel [41]

The answer is.. 80

Base X Height

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3 years ago

Two forces, one of 45 pounds and the other 50 pounds, act on the same object. The angle between the forces is 33°. Find the magn

bearhunter [10]

Answer:

The magnitude of the resultant force is: 27.40 pounds

Step-by-step explanation:

Given

$F_1 = 45$

$F_2 = 50$

$\theta = 33$

Required

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To do this, we apply cosine formula

$R^2 = F_1^2 + F_2^2 - 2 * F_1 * F_2 * \cos(\theta)$

This gives:

$R^2 = 45^2 + 50^2 - 2 * 45 * 50 * \cos(33)$

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$R^2 = 2025+ 2500 - 3774.15$

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Take square roots of both sides

$R = \sqrt{750.85\\$

$R = 27.40$

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Andreas93 [3]

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