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January 2026

45,417 public questions were asked this month.

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Recent questions

Latest from January 2026

In a flame test, atomic-level changes in electron energy create macroscopic-level changes in visible light energy. Which statement about flame tests is true? (1 point) Visible red light corresponds to relatively large ch...
Asked by huhhf3;q 1 answer
Microwaves are sent through a material causing the molecules in the material to twist and vibrate, causing the material to heat up. What is this twisting and vibration of the molecules creating heat an example of? (1 poi...
Asked by huhhf3;q 1 answer
When fireworks explode, sound and light are produced. These are examples of (1 point) macroscopic outputs. macroscopic inputs. microscopic outputs. microscopic inputs.
Asked by huhhf3;q 1 answer
Which of the following is a solution to the quadratic equation 4x2+2x=10? Assume that the solution has been rounded to the nearest hundredth, if applicable.(1 point)Responsesx=1.15x equals 1.15x=−1.85x equals negative 1....
Asked by anon 1 answer
Complete the square to identify the two values that solve the following quadratic equation: x2−16x−13=4. Enter the two solutions separated by a comma.
Asked by anon 1 answer
Gwen was asked to solve 3x2−20=7 by factoring using the difference of squares pattern. What is/are the correct solution(s)?(1 point)Responsesx=−3x equals negative 3x=−3, x=3x equals negative 3 , x equals 3x=3x equals 3x=...
Asked by anon 1 answer
Solve the following quadratic equation using the perfect square trinomial pattern: 1/4x2+2x+4=0.
Asked by anon 1 answer
Solve the following quadratic equation using the perfect square trinomial pattern: 14x2+2x+4=0.
Asked by anon 1 answer
Each of the following quadratic equations can be solved by factoring. Which equation has only one distinct solution?(1 point)Responsesx2−4=0x squared minus 4 equals 0x2+5x+4=0x squared plus 5 x plus 4 equals 0x2+4x+4=0x...
Asked by anon 1 answer
What are some ways technology has affected the economy? Check all that apply. Automation has been phased out of most factories. Many employees work from home using the Internet. Computers and robots can do jobs humans on...
Asked by j 1 answer
Joana solved the equation 4x2−4x−3=0. She followed the steps to solve a quadratic equation by grouping. However, in Step 3 she noticed that the two groupings did not share a common binomial, as shown in her work below. S...
Asked by anon 1 answer
Which of the following equations has the solution set x={−9/5,3}?(1 point)Responses−3x(5x+9)=0negative 3 x left parenthesis 5 x plus 9 right parenthesis equals 0(x−3)(5x+9)=0left parenthesis x minus 3 right parenthesis l...
Asked by anon 1 answer
An object of mass 2 kilograms is falling freely near Earth's surface. Which of the following options best approximates the magnitude of the gravitational force that Earth exerts on the object?(4 points) Responses 0.2 N 0...
Asked by Sigma 1 answer
Solve the following quadratic equation using square roots. Write your answer in set notation. (x+27)2/−6 =−24
Asked by anon 1 answer
Solve the following quadratic equation using square roots. Write your answer in set notation. (x+27)2−6=−24
Asked by anon 1 answer
Freedom of speech is protected by the First Amendment. However, there are some limitations. Evaluate the First Amendment to make and defend a position about whether public schools have the right to punish students' socia...
Asked by huhhf3;q 1 answer
If Malik weighs 100 N on Earth, and Alexander weighs 100 N on the Moon, how do their masses compare to one another?(4 points) Responses Malik's mass is greater than Alexander’s. Malik's mass is greater than Alexander’s....
Asked by Sigma 1 answer
What is the weight of an object with a mass of 20 kilograms on a planet that has an acceleration of gravity of 9.8 m/s2? (4 points) Responses 98 N 98 N 392 N 392 N 196 N 196 N 19.6 N
Asked by Sigma 1 answer
Mark weighs 200 Newtons on Earth, where the force of gravity is 10 m/s2. He goes to Mars, where the force of gravity is 3.5 m/s2. What is Mark's weight on Mars? (4 points) Responses 200 N 200 N 570 N 570 N 700 N 700 N 70...
Asked by Sigma 1 answer
During a football game, a student accidentally knocks similar gym bags, one empty and one full of shoes and clothes, off the back of the bleachers. If there is no air resistance, which bag will hit the ground first?(4 po...
Asked by Sigma 1 answer
Solve x2=2564 by inspection. There are two real solutions. Enter the lesser number first. Leave the answers in simplest fraction form.
Asked by anon 1 answer
Comapare the views of the four jewish groups ( the pharisees, sadducees, essenes, zealots)
Asked by o 1 answer
Why do you weigh less on the moon than on Earth?(4 points) Responses Moon has less mass and therefore more gravity Moon has less mass and therefore more gravity Moon has more mass and therefore more gravity Moon has more...
Asked by Sigma 1 answer
Get ready for an amusement park day of fun! You and your family want to spend the day at a theme park. You have pooled your money together and have $685. The tickets to the park are $125 each and there is an online proce...
Asked by anon 1 answer
What are two forces that act on a leaf when it falls from a tree? (4 points) Responses inertia inertia acceleration acceleration mass mass gravity gravity air resistance air resistance Skip to navigation
Asked by Sigma 1 answer