Archive day

December 2, 2025

2,810 public questions were asked on this day.

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Opal has already proved that △ADF∼△ABC . They are now attempting to prove that DF=12BC and DF¯¯¯¯¯¯¯¯∥BC¯¯¯¯¯¯¯¯ . Critique their reasoning. Which option should fill in the blank? PROOF: Because corresponding sides of si...
Asked by jaun 1 answer
What is the recursive rule for the sequence shown in the graph? Scatter plot sequence Responses an=an−1−4 a subscript n equals a subscript n minus 1 end subscript minus 4 an=an+1−4 a subscript n equals a subscript n plus...
Asked by Sam 1 answer
In a theater, there are 14 seats in the first row, 18 seats in the second row, 22 seats in the third row, and so on. How many seats are in the 18th row? Responses 86 86 35 35 82 82 242
Asked by Sam 1 answer
What is the 41st term of the sequence 8, 10, 12, 14,... ? Responses 88 88 322 322 90 90 41
Asked by Sam 1 answer
Carolyn selected a tile randomly from the set shown below. What is the probability that she selected a white tile or a tile with an even number? Red tiles: 1, 2, 1, 3, 2, 3, 2, 4, 3, 1. Grey tiles: 2, 3, 1, 2, 3, 4, 1, 4...
Asked by Yay 1 answer
Say that you put the set of tiles shown below into a bag and conduct a series of trials in which you draw one tile randomly from the bag, record the color, and replace it. The table below shows the number of times in eac...
Asked by Yay 1 answer
What is an advantage that experimental probability has over theoretical probability? a. Experimental probability is more rigorously tested than theoretical probability. b. Experimental probability provides unique results...
Asked by Yay 1 answer
A restaurant manager wanted to get a better understanding of the tips her employees earn, so she decided to record the number of patrons her restaurant receives over the course of a week, as well as how many of those pat...
Asked by Yay 1 answer
Which of the following is a pair of events which are dependent on one another? a. observing rainfall in two different cities b. drawing a pair of cards from a deck c. putting on a pair of pants and a shirt without lookin...
Asked by Yay 1 answer
A batch of tiles, shown below, is placed into a bag. Ariana randomly draws one tile from the bag, records it, puts it back in the bag, and draws another tile. What is the probability that Ariana will draw a purple tile f...
Asked by Yay 1 answer
Harold randomly selected one square tile and one round tile from the sets shown below. What is the probability that Harold selected a pink square tile, and either a red or a blue round tile? Square tiles: 20 green, 16 pi...
Asked by Yay 1 answer
The two tables below show the success rates of several groups of businesses in a certain city. The first shows the number of businesses of several types started in Sharon’s city over the course of two years, and the numb...
Asked by Yay 1 answer
Which of the following is a pair of events which are mutually exclusive? a. rolling a 4 on a six-sided die and on a four-sided die b. making rice and making corn c. sleeping in late and waking up early d. going to work a...
Asked by Yay 1 answer
Jack works as a waiter and is keeping track of the tips he earns daily. About how much does Jack have to earn in tips on Sunday if he wants to average $19 a day? A graph titled Tips by Day has day on the x-axis, and tips...
Asked by Yay 1 answer
Katie works as a waitress and records her monthly tips in the table shown below. If Katie decided not to work the month of November, how would her five month average compare to her six month average for monthly tips? Jun...
Asked by Yay 1 answer
Which of the following is not a measure of variability? a. range b. variance c. standard deviation d. regulated differences
Asked by Yay 1 answer
The monthly budget for groceries is $400. Due to rising costs, the grocery expenses increased by 10% this month. What is the new grocery expense for the month? Responses $404.00 $404.00 $410.00 $410.00 $420.00 $420.00 $4...
Asked by Sam 1 answer
The required diameter of a water service line (D) varies inversely with the square root of the available water pressure (P). A 1-inch diameter pipe is needed for 64 PSI. What diameter pipe is needed for 16 PSI? Responses...
Asked by Sam 1 answer
Lisa is currently taking physics as one of her electives in school. Her grade at the end of the year is determined by the average of four exams, each worth 100 points. On her first test she got an 84, on her second she g...
Asked by Yay 1 answer
A welding machine is set to produce 24 volts and 150 amperes. What is the total power output (wattage) of the machine? (P=VI) Responses 6.25 Watts 6.25 Watts 174 Watts 174 Watts 3600 Watts 3600 Watts 36,000 Watts
Asked by Sam 1 answer
Gabe rolls a six sided die twenty times, and records the result in the table below. How many times did Gabe roll above the average? 3 6 2 3 4 5 1 4 2 3 2 2 2 3 1 5 6 1 3 2 a. 2 b. 3 c. 5 d. 6
Asked by Yay 1 answer
A company manufactures two types of structural beams, A and B. Each Beam A requires 2 hours of cutting and 3 hours of welding. Each Beam B requires 3 hours of cutting and 1 hour of welding. The cutting machine is availab...
Asked by Sam 1 answer
The elevation of a trench starts at 250 feet above sea level and needs to maintain a downward grade of 0.5% over a horizontal distance of 500 feet. What will be the approximate elevation of the trench at the end of this...
Asked by Sam 1 answer
Which of the following is a reason people sometimes use mean or median to misrepresent the “average” of a set of data? a. In many data sets, the mean and median are always similar. b. In most data sets, the mean and medi...
Asked by Yay 1 answer
Lisa is a leading player on her basketball team. She has kept track of how many points she has scored over the course of the season. Her scores may be viewed in the table below. 36 20 35 13 30 14 36 11 29 19 22 40 34 17...
Asked by Yay 1 answer