Anelle subtracts –4 from a number. The result is 2. What is the number? –6 –2 2 6
2 answers:
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The value of the cosine function is -0.385
<h3>How to determine the measure of the cosine function?</h3>The figure that completes the question is added as an attachment
From the figure, we have the following sides
AB = √13
AC = 3
BC = 2
The triangle is a right triangle.
The angle B is calculated as:
cos(B) = 2/√13
Evaluate
cos(B) = 0.5547
Take the arccos of both sides
B = 56.31
This means that:
cos(ABC) = cos(56.31)
Multiply ABC by 2.
So, we have:
cos(ABC * 2) = cos(56.31 * 2)
Evaluate the product
cos(ABC * 2) = cos(112.62)
Evaluate the cosine
cos(ABC * 2) = -0.385
Hence, the value of the cosine function is -0.385
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Answer:
1065 cubic mm
Step-by-step explanation:
split the shape into two cuboids
V = L x W x H
17 - 10 = 7
19 X 5 X 7 = 665
19 - 11 = 8
8 X 5 X 10 = 400
add together
655 + 400 = 1065 cubic mm
