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Identify the values of a, b, and c that would be used in the quadratic formula to solve the equation −x^2 + 5x = 7. A. a = −1, b = 5, c = 0 B. a = 1, b = 5, c = 7 C. a = −1, b = 5, c = −7 D. a = 1, b =
answered
Jul 21, 2019
Mathematics
high-school
0
votes
58.0k
views
Which descriptions refer to short-range forecasts? Check all that apply. fairly accurate cover five days or less do not require computers cover more than 10 days impacted by butterfly effect
answered
May 22, 2019
Biology
middle-school
4
votes
62.7k
views
This is something that a citizen should do but is not required to do so by law. It is an obligation that a citizen fulfills voluntarily.
answered
Apr 15, 2019
Social Studies
middle-school
4
votes
160k
views
By 1970, what percentage of america's youth started college?
answered
Apr 13, 2019
Social Studies
high-school
4
votes
69.5k
views
4{2a(3a-b)+3ab}+5{3b(a+2b)-4ab}
answered
Jan 11, 2019
Mathematics
middle-school
1
vote
78.8k
views
The rain caused the river to rise a total of 6 2/3 inches. The river was rising at an average of 2/3 of an dinch each hour. How many hours didi it rain?
answered
Nov 18, 2018
Mathematics
high-school
3
votes
136k
views
Find all real zeros of the function y=-9x-1
answered
Nov 15, 2018
Mathematics
college
6
votes
223k
views
How many carbon atoms are in the following molecule of isobutane? (ch3)3ch a. 3 b. 4 c. 9 d. 10
answered
Oct 26, 2018
Chemistry
high-school
4
votes
177k
views
Which ions, if any, are spectator ions in the reaction agno3(aq)+nacl(aq)→agcl(s)+nano3(aq)? express your answers as ion separated by a comma?
answered
Oct 6, 2018
Chemistry
college
5
votes
157k
views
the function y=0.99x represents the price y for x in game power boost which of the following is a reasonable domain for this function
answered
Sep 30, 2018
Mathematics
college
3
votes
222k
views
Sammy is doing research that involves placing objects in the visual fields of visually impaired elderly men. he wants to discover what specific neurons fire in response to the features of the objects.
answered
May 12, 2018
Social Studies
college
5
votes
26.9k
views
What is the expanded form of 3x(x+3)^2=?
answered
Jan 14, 2018
Mathematics
college
3
votes
77.4k
views
What is the most precise measurement this beaker can give? A)the nearest 1 mL B) to the nearest 25 mL C) to the nearest 50 mL D)to the nearest 100 mL
answered
Jan 7, 2018
Mathematics
high-school
2
votes
65.1k
views
What units are used when describing the length of time that the universe has been expanding? (could possibly be multiple) billions of years millions of years light years light year kilometers decades
answered
Dec 22, 2017
Physics
middle-school
3
votes
49.1k
views
What is the Neolithic Era
answered
May 24, 2017
Social Studies
middle-school
4
votes
28.4k
views
Show how to make one addend the next tens number. 15+37=?
answered
May 24, 2017
Mathematics
middle-school
3
votes
143k
views
Evaluate. 17 + 330 • 20 ÷ 10² ÷ 2 – 14
answered
Jan 8, 2017
Mathematics
middle-school
6
votes
177k
views
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