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Harman [31]
3 years ago
13

A suit regularly costs $389.90., Bob buys it on sale for $ 265.00 . How much does he save?

Mathematics
2 answers:
stiks02 [169]3 years ago
8 0
He saves $124.90 because $389.90 - $265.00 = 124.90 and so that is the difference in the prices which is the answer. 
irakobra [83]3 years ago
5 0
He saves $124.90 <<<<<<<<<<<<<<
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A withdrawal of $50 is negative or positive?
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If the terminal side of angle θ passes through a point on the unit circle in the first quadrant where x=√2/2, what is the exact
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The exact measure of the angle is 45°.

<h3>How to get the angle?</h3>

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Notice that the point is on the unit circle, so its module must be equal to 1, so we can write:

1 = \sqrt{( \frac{\sqrt{2} }{2} )^2 + y^2} \\\\1^2 = \frac{2}{4} + y^2\\1 - 1/2 = y^2\\\\1/\sqrt{2} = y

We know that y is positive because the point is on the first quadrant.

Now, we know that our point is:

(√2/2, 1/√2)

And we can rewrite:

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So the point is:

( 1/√2,  1/√2)

Finally, remember that a point (x, y), the angle that represents it is given by:

θ = Atan(y/x).

Then in this case, we have:

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If you want to learn more about angles, you can read:

brainly.com/question/17972372

3 0
2 years ago
PLEASE HELP!! GIVEN THE FOLLOWING TABLE OF DATA FROM A QUADRATIC EQUATION
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The roots: this is when y=0, so in yours there are 2 roots. Just look at the x value when y=0 and that is your roots.

Y intercept- this is when x=0, so just look at the y value below x=0 and that is the y intercept. Note the answer will probably be in the form (0,_)

Vertex=do you see a pattern? Well the vertest would be the highest or lowest point of the quadratic equation. Your vertex would be (5,-9) because just look at x=4 and x=6, bit of the y values are -8 and when you look at x=3 and x=7 they are also the same because this is a quadratic equation.

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*something that will help you see this all more clearly is if you graphed this or put it into Desmos to see the vertex etc.

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