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amm1812
2 years ago
10

Find the geometric mean of 8 and 13.

Mathematics
1 answer:
Doss [256]2 years ago
7 0
Find the factors from the roots, then multiply the factors together.
y
=
x
2
−
21
x
+
104
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Please help! Will give brainliest to correct answer! (1/3) - 50 POINTS - please no wrong answers.
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Answer:

( 6, pi/6)

Step-by-step explanation:

( 3 sqrt(3), 3)

To get r we use x^2 + y ^2 = r^2

( 3 sqrt(3) )^2 + 3^2 = r^2

9 *3 +9 = r^2

27+9 = r^2

36 = r^2

Taking the square root of each side

sqrt(36) = sqrt(r^2)

6 =r

Now we need to find theta

tan theta = y/x

tan theta = 3 / 3 sqrt(3)

tan theta = 1/ sqrt(3)

Taking the inverse tan of each side

tan ^-1 ( tan theta) = tan ^ -1 ( 1/ sqrt(3))

theta = pi /6

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<h3>Answer:</h3>

1

<h3>Step-by-step explanation:</h3>

The given angle is opposite the longest given side, so there will be exactly one solution.

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The number of solutions may be 0, 1, or 2 when the given angle is opposite the shortest given side.

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