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Anarel [89]
3 years ago
9

Given that angle 1 and angle 2 are supplementary, m angle 1 = (2x + 6)° and m angle 3 = (3x - 6)º.

Mathematics
1 answer:
gulaghasi [49]3 years ago
7 0
<h2><em><u>REFERS </u></em><em><u>TO</u></em><em><u> THE</u></em><em><u> ATTACHMENT</u></em></h2><h2 /><h2><em><u>HOPE</u></em><em><u> </u></em><em><u>IT</u></em><em><u> HELPS</u></em><em><u> YOU</u></em><em><u>,</u></em></h2>

<h2><em><u>MARK</u></em><em><u> </u></em><em><u>ME</u></em><em><u> AS</u></em><em><u> BRAINLIEST</u></em><em><u>.</u></em></h2>

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Help please! how do you find the absolute deviation of a data set?
Xelga [282]
You find the mean absolute deviation by first finding the mean, and then subtracting all the values in the data set from that, creating a new data set, and then you find the mean of this new data set.

Example:

3, 2, 5, 9, 4

Mean(add them all, divide by how many there are): (3 + 2 + 5 + 9 + 4)/5 = 4.6

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{ TOPIC -- TRIGONOMETRIC IDENTITIES }
UkoKoshka [18]
LHS ⇒ RHS:
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[1] cos(2A) = 2cos²(A) - 1 = 1 - 2sin²(A)
[2] sin(2A) = 2sin(A)cos(A)
[3] sin(A + B) = sin(A)cos(B) + cos(A)sin(B)
[4] cos(A + B) = cos(A)cos(B) - sin(A)sin(B)

cos(x) - cos(x + 2Θ)
= cos(x) - (cos(x)cos(2Θ) - sin(x)sin(2Θ))    [4]
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= 2sin²(Θ)cos(x) + 2sin(Θ)sin(x)cos(Θ)
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lawyer [7]

Answer: Mary had six pieces of candy but her mother didn’t want her having too much sugar. She took away half of her candy. How many pieces does she have now?

Step-by-step explanation:

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