Nancy wants to buy 32 notebooks to give to her classmates, each notebook cost $1.75, how much will Nancy pay for 32 notebooks?
2 answers:
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Answer:
Number of points, x, Number of segments, y
x: 2, 3, 4, 5, ... N,. ...
y: 1, 3, 6, 10, ... (N-1)(N)/2, ...
Step-by-step explanation:
Adding Nth point, there are N-1 new segments,
and (sum over {i = 1 to N-1} of i) total segments. As Gauss knew when he was c.10 yo, the sum is (N-1)(N)/2.
if you don't have a Unit Circle yet, this is a good time to get one, you can find many online, check maybe in yahoo images, or google images.
Check the picture below.
notice the section encircled in purple.
In this question, we have to identify the zeros of the polynomial, along with a point, and then we get that the formula for the polynomial is:
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Equation of a polynomial, according to it's zeros:
Given a polynomial f(x), this polynomial has roots such that it can be written as: , in which a is the leading coefficient.
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Identifying the zeros:
Given the graph, the zeros are the points where the graph crosses the x-axis. In this question, they are:
Thus
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Leading coefficient:
Passes through point (2,-8), that is, when , which is used to find a. So
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Considering the zeros and the leading coefficient, the formula is:
A similar problem is found at brainly.com/question/16078990