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bulgar [2K]
3 years ago
13

A function is graphed on the coordinate plane.

Mathematics
1 answer:
Eduardwww [97]3 years ago
5 0
2........................................
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The circumference of a circle measures 22π units. Find the number of square units in the area of the circle. Express your answer
Naya [18.7K]

Answer:

A = 11²/{4π}

Step-by-step explanation:

The circumference equation is C = 2πr.  Thus, r = C / (2π), and:

         C²                                                   (22π)²          2²11²π²             11²  

r² = ----------     so, if C = 22π units, r² = -------------- = ---------------- = -------------

       (2π)²                                                    (2π)^4        (2π)²(2π)²       (2π)²

             11²π²

or  r² = ---------------

         

The area equation for a circle is A = πr² which here is π·11²/(2π)²

This reduces to 11²/{4π}

4 0
3 years ago
I need help on algebra
boyakko [2]
Just remember the syllables PEMDAS which stand for Parentheses, Exponents, Multiplication, Division, Addition and Subtraction. If you can’t remember it, just write it on the side of your paper. But make sure to use it in that order.
5 0
3 years ago
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1. If two nonvertical lines are parallel, what do we know about their slopes? If two lines are perpendicular and neither is para
yanalaym [24]

Answer:

Two straight lines with slopes m and m' are parallel when m = m'

Two straight lines with slopes m and m' are perpendicular when m × m' = - 1.

Step-by-step explanation:

Let us assume that the two non-vertical lines in the slope-intercept form are

y = mx + c ........... (1) and  

y = m'x + c' ............ (2)

If those two lines are parallel then we can say the slope of them will be the same i.e. m = m'

Now, if given two straight lines (1) and (2) are perpendicular to each other and neither of them is parallel to the axes, then we can write m × m' = - 1. (Answer)

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3 years ago
Which sets of side lengths could form a triangle? Choose all that apply.
Svetlanka [38]

Answer:

4, 6, 9 and 5, 5, 9

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3 years ago
Quadrilateral OPQR is inscribed in circle N, as shown below. What is the measure of ∠ROP?
Murrr4er [49]
The answer is 41, because I just took the quiz and that was the correct answer :)
8 0
3 years ago
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