Answers; A) 135 degree’s B) 30 Degree’s C) 180 or 0 Degree’s D) 90 Degree’s
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Given:
a.) Hannah reads 5/8 page in 2/3 minute.
To be able to determine the unit rate we divide the number of pages Hannah ready by the time she took to read it.
We get,
In dividing fractions, reciprocate the divisor and multiply it to the dividend.
We get,
In multiplying fractions, we just directly multiply the numerator by other numerators and the denominator by the other denominators.
Therefore, the unit rate is 15/16 pages per minute.
Answer: Positive roots = 1
Negative real root =0 or 2
complex roots=0 or 2
Step-by-step explanation:
Given cubic polynomial f(x) =
By Descartes rules of signs
as this polynomial is already arranged in descending order and has only 1 sign change which means it has 1 positive real root.
Now change signs of coefficients of odd powered terms we get
then we have 2 sign changes which gives 2 or zero negative real roots .
For complex roots , we know that it is a cubic polynomial i.e. it has exactly 3 roots and complex roots always occur in pair, Therefore it will have zero or 2 complex roots.
Let the number of extra points on a touchline scored by Logan on the match be x and the number of field goals scored by Logan be y, then the ineaquality representing the situation wher Logan beats the record number of points scored by a kicker in a single match of 24 is given by:
x + 3y > 24
The graph is attached
x + 3y > 24
The graph is attached