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dusya [7]
3 years ago
12

Which point should Polly connect to point E to make a 30° angle?

Mathematics
2 answers:
Grace [21]3 years ago
8 0

Answer:

D.

Step-by-step explanation:

If she connects it to any other point the angle would be more then 30 degrees.

Vikentia [17]3 years ago
8 0
How To Construct A 30 Degree Angle. A 30° angle is half of a 60° angle. So, to draw a 30° , construct a 60° angle and then bisect it.
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Find the unit vector in the direction of (4,-4). Write your answer in component form. Do not approximate any numbers in your ans
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Answer:

(\frac{1}{\sqrt{2} }, \frac{-1}{\sqrt{2} }  )

Step-by-step explanation:

The unit vector for a nonzero vector, say u, in the direction of u is given by:

û = \frac{u}{|u|}             ---------------(i)

Where;

|u| = magnitude of vector u

From the question;

u = (4, -4)

First let's calculate the magnitude of u as follows;

|u| = \sqrt{(4)^2 + (-4)^2}

|u| = \sqrt{16 + 16}

|u| = \sqrt{32} = 4\sqrt{2}

Now, substitute u and |u| into equation (i) as follows;

û = \frac{(4, -4)}{4\sqrt{2} }

û = (\frac{4}{4\sqrt{2} }, \frac{-4}{4\sqrt{2} }  )

û = (\frac{1}{\sqrt{2} }, \frac{-1}{\sqrt{2} }  )

Therefore, the unit vector is (\frac{1}{\sqrt{2} }, \frac{-1}{\sqrt{2} }  )

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3 years ago
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2 years ago
2x+5x=100 x intercept​
Papessa [141]

This is an equation involving x alone, so the most you can do is solve it:

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I need this answer asap !!
igomit [66]

Answer:

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Step-by-step explanation:

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