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What are the solution(s) to the quadratic equation 40 - x2 = 0? O x = +2/10 O x = +4/10 x = +275 x = +4/5 HURRY
answered
Apr 9, 2021
Mathematics
middle-school
1
vote
180k
views
A kid fits the same number of video games onto 3 shelves in his game room. Then, he gets 5 more games for his birthday. Now he has 74 games in all. How many games were on each shelf?
answered
Jan 10, 2021
Mathematics
college
2
votes
395
views
Expand: (3x + 4)(2x − 5) 12x − 10x 6x^2 −7x − 20 6x^2 − 20 5x − 1 Simplify: (3x + 2y) - (x + 2y) 4x + 4y 4x 2x 2x + 4y If 1/2x + 2/3y = 6, what is 3x + 4y? 12 18 36 24 In the polynomial 4x^3 + 5x^2 − 12,
answered
Dec 10, 2020
Mathematics
high-school
1
vote
3.8k
views
Divide 120 in the ratio of 1:2
answered
Nov 22, 2020
Mathematics
middle-school
3
votes
115k
views
The table shows the relationship between the masses of two objects, the distance between the two objects, and the gravitational force between the objects. Which conclusion is supported by the data in the
answered
Jun 8, 2020
Chemistry
high-school
4
votes
62.6k
views
Elizabeth has 35 toy cars. How can she put her toy cars on the top and bottom shelves of her bookcase? Show three ways.
answered
May 19, 2020
Mathematics
middle-school
3
votes
199k
views
Some mental shortcuts can cause errors in thinking. For example, simply because a piece of information is remembered easily does not mean that the best decision is based on that information. This error
answered
May 14, 2020
Social Studies
high-school
3
votes
13.8k
views
The relationship least commonly found in nature is _____. a. commensalism b. symbiosis c. parasitism d. predation
answered
Dec 30, 2019
Health
high-school
2
votes
8.8k
views
Who is Shawn Mendes?
answered
Oct 29, 2019
English
middle-school
3
votes
197k
views
If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 g/mol, how many sodium atoms are there in the sample? (1 point) 3.21 x 1021 atoms 2.15 x 1023 atoms 1.69
answered
Jul 3, 2019
Chemistry
middle-school
3
votes
136k
views
The reproduction of DNA during interphase begins with _____.
answered
Apr 1, 2019
Biology
middle-school
3
votes
208k
views
What is the difference between a preserved and petrified fossil?
answered
Sep 25, 2018
Geography
high-school
7
votes
125k
views
A plane is a ___ (one-dimensional, two-dimensional, three-dimensional) figures. The intersection of two olanes that do not coincide (if it exists) is a ___ (point, line, angle).
answered
Aug 13, 2018
Mathematics
high-school
2
votes
184k
views
What three factors spurred American Imperialism?
answered
May 23, 2018
History
high-school
4
votes
200k
views
The jefferson-missouri-mississippi river system is the largest and most significant river system in north america. a. True b. False
answered
Apr 8, 2018
History
high-school
1
vote
189k
views
A famous trading center located in Mali that also housed a beautiful mosque that reflected the architectural styles of the Mediterranean world was _________.
answered
Aug 24, 2017
History
college
5
votes
82.4k
views
In a machine, a large gear completes a revolution every minute while a small gear completes a revolution every 24 seconds. If the gears are currently aligned, how much time will pass before they are aligned
answered
May 1, 2017
Mathematics
middle-school
6
votes
82.8k
views
List some states whose shapes are not polygons
answered
Apr 9, 2017
Mathematics
middle-school
2
votes
153k
views
Jo's total charge for an onsite job is a fixed charge of $50 per job plus an hourly charge of $80.00 per hour.What would be the formulas be in total charges in dollars,relating to the number of hours he
answered
Mar 27, 2017
Mathematics
high-school
3
votes
103k
views
Danny is unhappy with himself for not landing his dream job a couple of weeks ago. His self-confidence is extremely low, and he wonders if he'll ever get the job that he wants. Usually, he'd email his
answered
Jan 28, 2017
English
high-school
2
votes
105k
views
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