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telo118 [61]
3 years ago
12

What are the zeros of the polynomial function?

Mathematics
1 answer:
Serga [27]3 years ago
4 0
First compute the discriminant delta:
9^2-4*1*20=1. 
Using the quadratic formula, we get the solutions:
\frac{-9-1}{2} =-5\\ \frac{-9+1}{2}=-4
the solutions are then -4 and -5. 
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( 2 pts) Find the mean, median and mode of the data below, if possible: The responses of a sample of 1022 people who were asked
Dmitry [639]

The data is categorical data

Since the data is categorical data so it's become impossible to calculate either mean or median.

Now mode:

The data with the highest frequency is the mode.

So watchful is the mode because it contained 672 peoples

5 0
3 years ago
HELP PLZ . Enter the slope of the line .
Korolek [52]
I hope this helps you



slope=y2-y1/x2-x1



slope= -3-(-4)/0-2


slope=-3+4/-2


slope= -1/2
4 0
3 years ago
Read 2 more answers
Rectangle ABCD is shown to the right. Point E is located
mafiozo [28]
A) The area of the rectangle ABCD is base times height. 20in x 12in = 240 in sq.
B) The area of the triangle AED is base times height divided by two. (14in x 12in)/2 = 84in sq.
C) Figure EBCD is a right trapezoid (having one pair of parallel sides, while the others are slanted and forming a right angle).
D) Area of EBCD is the area of the rectangle minus the area of the triangle. 240in sq - 84in sq = 156in sq.
4 0
2 years ago
Aubrey wants to buy a new coat that has a regular price of $185. This weekend the coat is on sale at a 33% discount what is the
sweet-ann [11.9K]
Find 33% of 185:

0.33 * 185 = 61.05

Subtract this from the regular price:

185 - 61.05 = 123.95

So the sale price is $123.95
4 0
3 years ago
Read 2 more answers
What is the area of a rectangle with side lengths 2/5 feet and 4/6 feet?
kotegsom [21]

Answer:

\frac{4}{15}  (4/15)

Step-by-step explanation:

\frac{4}{6}=\frac{2}{3}

\frac{2}{5}*\frac{2}{3};

1- Multiply the numerators:

2*2=4

2- Multiply the denominators:

5*3=15

3- Thus:

\frac{2}{5}*\frac{2}{3}= \frac{4}{15}

Hope this helps ;)

4 0
3 years ago
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