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December 2025

42,840 public questions were asked this month.

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Recent questions

Latest from December 2025

Question content area top Part 1 If you are dealt 3 cards from a shuffled deck of 52​ cards, find the probability of getting one queen and two kings.
Asked by joy 1 answer
If you are dealt 5 cards from a shuffled deck of 52​ cards, find the probability of getting three queens and two kings
Asked by joy 1 answer
If you are dealt 3 cards from a shuffled deck of 52​ cards, find the probability that all 3 cards are picture cards
Asked by joy 1 answer
A particle is in motion and is accelerating. The velocity of the motion as a function of time is given by: v(t)=(20t-5t2)m/s . Find (a) The functional form of the acceleration, (b) The instantaneous velocity at t = 3s, a...
Asked by ABAINEH 1 answer
the magnitudes of two vectors A and B are 13 units and 9 units, respectively. What are the largest and smallest possible values for the magnitude of the resultant vector R= A + B?
Asked by ABAINEH 1 answer
If you are dealt 3 cards from a shuffled deck of 52​ cards, find the probability that all 3 cards are diamonds.
Asked by joy 1 answer
The expression ( i+ j) is a (A). Unit vector B. Null Vectors C. vectors of magnitude D. scalar
Asked by ABAINEH 1 answer
Two vectors are called collinear if:- A. They have the same magnitude B. They act along the same line C. They have different magnitude but the same direction D. They lie in different plane
Asked by ABAINEH 1 answer
Which statement about black holes is true? A. light can escape but matter cannot B. Nothing, not even light, can escape C. They are visible with optical directly D. They do not exist, only theoretical model
Asked by ABAINEH 1 answer
If the body moves at constant speed along a straight line. Its average speed will be A. Exactly half its speed B. Greater than its speed C. Less than its speed D. Equal to its speed
Asked by ABAINEH 1 answer
The velocity of the a car increase uniformly from 22m/s to 46m/s in 12 seconds. What is its acceleration? A.3m/s2 B. 4m/s2 C.5m/s2 D. 2m/s2
Asked by ABAINEH 1 answer
Athlete yomif kejelcha runs at 10m/s. How long will it take him to finish 2500m? A.150second B. 250 second C. 15 second D.0.5 second
Asked by ABAINEH 1 answer
A hand consists of 3 cards from a​ well-shuffled deck of 52 cards. a. Find the total number of possible 3​-card poker hands. b. A black flush is a 3​-card hand consisting of all black cards. Find the number of possible b...
Asked by joy 1 answer
The unit vector in the direction of A=3i+4j is A. i+ j B. i+j C. i+ j D. 2i-j
Asked by ABAINEH 1 answer
Question content area top Part 1 A city council consists of five Democrats and five Republicans. If a committee of seven people is​ selected, find the probability of selecting five Democrats and two Republicans.
Asked by joy 1 answer
The displacement –time graphs of an object moving along the X-axis in straight line with a positive slope ,the object has a A. Steady increasing velocity B. Constant displacement C. Constant acceleration D. constant posi...
Asked by ABAINEH 1 answer
A box contains 10 ​transistors, 4 of which are defective. If 4 are selected at​ random, find the probability of the statements below. a. All are defective b. None are defective
Asked by joy 1 answer
A student walks 200m east, 400m north and then 200m west, and then the displacement of the student is? A. 400m East North B. 400m North C. 200m East D. 200m west
Asked by ABAINEH 1 answer
In a​ lottery, the top cash prize was ​$675 ​million, going to three lucky winners. Players pick four different numbers from 1 to 51 and one number from 1 to 41. A player wins a minimum award of $ 150 by correctly matchi...
Asked by joy 1 answer
A driver moving at a constant speed of 30m/s sees an accident up ahead and hits the brakes. If the car decelerates at a constant rate of -5m/s2, How far does the car go before it comes to stop ? A. 90m B. 100m C. 40m D....
Asked by ABAINEH 1 answer
n one​ lottery, a player wins the jackpot by matching all five distinct numbers drawn in any order from the white balls​ (1 through 41​) and matching the number on the gold ball​ (1 through 32​). If one ticket is​ purcha...
Asked by joy 1 answer
Question content area top Part 1 A group consists of six Democrats and seven Republicans. Four people are selected to attend a conference. a. In how many ways can four people be selected from this group of thirteen​? b....
Asked by joy 1 answer
Six​ stand-up comics,​ A, B,​ C, D,​ E, and​ F, are to perform on a single evening at a comedy club. The order of performance is determined by random selection. Find the probability​ that: a. Comic B will perform last. b...
Asked by joy 1 answer
Idea: Curate a themed gift basket (or box) where the basic gift is the centerpiece, surrounded by smaller, related items that enhance the overall theme. Supplies Needed: Basket, crate, or box: A suitable container for di...
Asked by … 1 answer
Jim, Maria, Simone, Sarah, Ian, and Larry have all been invited to a dinner party. They arrive randomly and each person arrives at a different time. a. In how many ways can they​ arrive? b. In how many ways can Jim arriv...
Asked by joy 1 answer