Answers by John Harrington
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Answers by John Harrington

Answers by John Harrington
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if alpha and beta are zeros of the polynomial x² - 6 X + k find k such that (alpha+beta)²-2alha beta =40​
answered Jul 26, 2022
4 votes
69.6k views
Can someone help me please!
answered Mar 1, 2022
3 votes
212k views
Mary bought 50 apples at the apple orchard. She bought 4 times as many red apples as green apples. How many more red apples than green apples did Mary buy?
answered Feb 27, 2022
13 votes
57.1k views
Need help with this question!!!
answered Feb 8, 2022
2 votes
33.7k views
A vegetable garden is in the shape of a parallelogram with the dimensions shown.Parallelogram A B C D is shown. The length of A B is (4 r minus 2) feet, the length of B C is (2 r + 12) feet, and the length
answered Jan 2, 2022
4 votes
78.1k views
All of the following are good reasons to attend a cummunity college except
answered Nov 9, 2021
5 votes
97.7k views
In the sentence: I can't remember why I came in the room... the ellipsis is most likely used to show: Select one: 1)an omission in a quotation, 2)an unfinished thought 3) a pause of speech 4)a shift in
answered Oct 10, 2021
6 votes
50.6k views
Logically why all atoms are electrically neutral ?​
answered Aug 16, 2021
3 votes
58.0k views
Expectations of inflation are always greater than actual inflation along the long-run Phillips Curve. A. True B. False
answered Aug 10, 2021
5 votes
221k views
Find the midpoint (8, -6) (6,5)​
answered Jul 25, 2021
0 votes
142k views
How do you find a tangent
answered Jul 21, 2021
2 votes
164k views
What is the crucial ingredient for the formation of lightning such that without this ingredient, lightning does not form in a thunderstorm?
answered Jul 3, 2021
4 votes
51.2k views
What type of economy does the United States have?
answered Jun 13, 2021
6 votes
52.1k views
Which phrase describes the geometric interpretation of dividing a complex number z by i? O Reflect z across the real axis. O Reflect z across the imaginary axis. O Rotate z by 90° clockwise about the origin.
answered Jun 9, 2021
1 vote
9.4k views
Find the theoretical probability. Simplify completely.
answered Jun 6, 2021
2 votes
209k views
What geographic features made travel among the city states difficult?
answered Apr 23, 2021
4 votes
126k views
What is the line of semmetry for the parabola whose equation is y =x^2 +10x=25
answered Apr 9, 2021
1 vote
108k views
Write a C program that will allow you to add messages to a file that has NO permissions for any user. A Unix system has many files that have sensitive information in them. Permissions help keep these files
answered Feb 13, 2021
3 votes
168k views
There were very specific lessons that Hitler learned from World War I. What three specific lessons did Hitler use to have an advantage in World War II? Did these lessons prove useful?
answered Jan 22, 2021
4 votes
94.1k views
216,016 divided by 368
answered Oct 3, 2020
2 votes
130k views
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