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December 2025

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Recent questions

Latest from December 2025

Consider the reaction below. HF + H2O Right arrow. H3Omc011-2.jpg + Fmc011-3.jpg Which is an acid-conjugate base pair? HF and H3O+ HF and Fmc011-4.jpg H2O and HF H2O and Fmc011-5.jpg
Asked by qp 1 answer
Which is the graph of f(x) = (x + 3)(x – 2)? On a coordinate plane, a parabola opens up. It goes through (negative 3, 0), has a vertex at (negative 0.75, negative 6), and goes through (2, 0). On a coordinate plane, a par...
Asked by kelvin calin 1 answer
A self-serve car wash charges $5.54 to use its facilities, plus an additional $0.59 for each minute the customer is at the self-serve car wash. If Tiffany was at the car wash for 9 minutes, how much was she charged? A. $...
Asked by lilly 1 answer
All the other male pigs on the farm were porkers. The best known among them was a small fat pig named Squealer, with very round cheeks, twinkling eyes, nimble movements, and a shrill voice. He was a brilliant talker, and...
Asked by p 1 answer
A slope of zero makes a horizontal line. True False
Asked by ash 1 answer
The quadratic model f(x) = –5x2 + 200 represents the approximate height, in meters, of a ball x seconds after being dropped. The ball is 50 meters from the ground after about how many seconds? 2.45 3.16 5.48 7.07
Asked by kelvin calin 1 answer
Which of the following items are examples of structured data? Select all that apply. Email message Calendar Relational database Business notes
Asked by . 1 answer
Janette went to Tire Mart and paid $122.57 per tire for 4 tires and a flat rate fee for installation for a total of $555.28 before taxes. Monique went to Fast Wheels and paid $136.71 per tire for 4 tires and a flat rate...
Asked by lilly 1 answer
Ali graphs the function f(x) = –(x + 2)2 – 1 as shown. On a coordinate plane, a parabola opens up. It goes through (negative 3, 0), has a vertex at (negative 2, negative 1), and goes through (negative 1, 0). A vertical d...
Asked by kelvin calin 1 answer
Which term describes a substance that increases the concentration of hydroxide ions in solution? Lewis definition of an acid Arrhenius definition of a base Bronsted-Lowry definition of a base Bronsted-Lowry definition of...
Asked by qp 1 answer
Write into slope intercept form: 5x + 4y = 20 y = -5/4x + 5 y = -5x + 20 y = -5/4x + 20 y = 4/5x - 5
Asked by ash 1 answer
What are the solutions of the quadratic equation 0 = 4(x − 3)2 − 16? 2 and −2.5 2 and 2.5 1 and −5 1 and 5
Asked by kelvin calin 1 answer
Last month, Marcus borrowed $72 from his roommate. So far, he has paid him back $22. Which equation could be used to find x, the amount of money he still owes his roommate? A. x - $22 = $72 B. $72 + x = $22 C. $22x = $72...
Asked by lilly 1 answer
Select the correct answer. What is the value of this expression when a = 7 and b = -4? A. B. C. D.
Asked by idk 1 answer
Consider the reaction below. HClO3 + NH3 Right arrow. NH4+ + ClO3– Which is a base-conjugate acid pair? NH3 and ClO3– NH3 and NH4+ HClO3 and NH3 HClO3 and NH4+
Asked by qp 1 answer
Write into slope intercept form: 4x = 2y - 10 y = 4x + 10 y = 2x + 5 y = -2x - 10 y = -4x - 10
Asked by ash 1 answer
What is the Bronsted-Lowry definition of a base? a compound that donates protons a compound that accepts protons a substance that increases hydroxide ion concentration a substance that increases hydronium ion concentrati...
Asked by qp 1 answer
How did the study of the atom contribute to our understanding of the periodic table of the elements?
Asked by K 1 answer
soccer ball is kicked horizontally off a 30.0 meter high hill and lands a distance of 44 meters from the edge of the hill. Determine the initial horizontal velocity of the soccer ball. Round to the nearest tenth.
Asked by p 1 answer
At their going-out-of-business sale, Bill's Bikes sold 44 bikes and had 57 left. Which equation could be used to find x, the number of bikes the store had originally? A. x - 44 = -57 B. x + 44 = 57 C. x - 57 = 44 D. x +...
Asked by lilly 1 answer
Which statement describes the Arrhenius interpretation of acids and bases? It has a wider range of applications than the Bronsted-Lowry interpretation. It has a wider range of applications than the Lewis and Bronsted-Low...
Asked by qp 1 answer
When finding the x intercept in an equation, make y = 0, then solve for x. True False
Asked by ash 1 answer
Arianna and her friend Grace are going to a carnival that has games and rides. Arianna played 6 games and went on 3 rides and spent a total of $27. Grace played 2 games and went on 9 rides and spent a total of $41. Deter...
Asked by Danny 1 answer
why is water considered a polar molecule? A. The molecule has no overall charge. B. The atoms in the molecule have partial charges. C. The molecule can only attract positive charges. D. The oxygen and hydrogen atoms shar...
Asked by ISSC 1 answer
A tennis player hits a ball and gives it a velocity of 7 m/s at 30o. What is the maximum height it reaches from the racket? Round your answer to the nearest hundredth.
Asked by p 1 answer