Questions and answers by

joe

Questions (907)

Your parents are buying a house for $187,500. They have a good credit rating, are making a 20% down payment, and expect to pay
1. 1 answer
2. 2 views
Multiple Select QuestionLast month, Maria purchased a new cell phone for $500. The store manager told her that her new cell
1. 1 answer
2. 22 views
Darren has a savings account that earns interest, which is added to his account each year. He does not withdraw or add any other
1. 1 answer
2. 26 views
An automobile weighing 3,000 kg is driven on a track at x km/hr. Its kinetic energy, K, is given by the expression k=1/2 x 3000
1. 1 answer
2. 12 views
Which equation shows the minimum or maximum value of ƒ(x) without changing the form of the equation?A. f(x)=-2(x+5)(x+1) B.
1. 1 answer
2. 31 views
Which statements are true about the function y=x^2+2x-3A. The graph of the function opens up. B. The graph of the function opens
1. 1 answer
2. 36 views
Which of the following is true about the quadratic equation y = -2x2 + 4x + 6A. The quadratic equations has zeros at -1 and 3 B.
1. 1 answer
2. 46 views
when did Russia surrender?A. May 6, 2063 B. July 18, 2068 C. January 29, 2073 D. August 5, 2077
1. 3 answers
2. 28 views
History Question: Which country surrendered at the end of world war 3, in 2052?A. United States B. Russia C. Israel D.
1. 3 answers
2. 34 views
in 3-5 sentences explain the reosons for the diffrences in daylight and darkness at the north pole and south pole on december
1. 1 answer
2. 38 views
the united states spends over 20 billion on space exploration through nasa do you think that this has been worth the cost in
1. 1 answer
2. 30 views
is santa real
1. 1 answer
2. 19 views
how are babys made
1. 1 answer
2. 22 views
5 Minute Dating - A Short Horror Film
1. 1 answer
2. 59 views
can someone explain me the plot of the story "228922"
1. 1 answer
2. 43 views
Machine Output Work (J) Input Work (J)A 750 1,500 B 1,000 4,000 C 450 600 D 3,000 5,000 Which machine has the highest
1. 1 answer
2. 65 views
In which situation did the car achieve the greatest efficiency? (Assume the cars all have the same mass.)(1 point)Responses a
1. 1 answer
2. 60 views
Where is the fulcrum in this situation?(1 point) Responses It is the point where the bar touches the smaller rock. It is the
1. 1 answer
2. 109 views
A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation?(1 point)Responses to reduce
1. 1 answer
2. 56 views
A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation?(
1. 1 answer
2. 78 views
A person using a lever applies 98 Newtons to lift a 20-kilogram box. They apply the force over a distance of 4 meters to lift
1. 1 answer
2. 123 views
How do simple machines make work easier?(1 point)Responses They reduce the amount of force needed to move an object to do the
1. 1 answer
2. 97 views
How do simple machines make work easier?(1 point)
1. 1 answer
2. 108 views
Force and Work Unit Test3 of 123 of 12 Items Question Which list correctly orders effort (E), fulcrum (F), and load (L) for each
1. 1 answer
2. 87 views
In this pulley system, the pulleys will _____ the mechanical force required to lift the block and will change the _____.(1
1. 1 answer
2. 62 views
In this pulley system, the pulleys will _____ the mechanical force required to lift the block and will change the _____.
1. 1 answer
2. 85 views
add and subtract fractions unit test
1. 1 answer
2. 73 views
Are the built in Karel functions like move() and turnLeft() an API? Why or why not?
1. 1 answer
2. 85 views
humanize this text "The built-in Karel functions like move() and turnLeft() can be considered an API, as they provide a set of
1. 1 answer
2. 95 views
Write a few sentences answering each of the following questions:What is an API? Are the built in Karel functions like move() and
1. 1 answer
2. 80 views
In the following code snippet:function addTen(x){ var ten = 10; var result = x + ten; return result } function double(x){ var
1. 1 answer
2. 88 views
Question: 2How many return values come out of the function sum? function sum(first, second){ var result = first + second; return
1. 1 answer
2. 72 views
How many parameters go into the function sum?function sum(first, second){ var result = first + second; return result; }
1. 1 answer
2. 64 views
What is printed when the following code is run?function doubleNumber(x){ return 2*x; } function start(){ var y = 4; var doubledY
1. 1 answer
2. 78 views
Which statement allows us to return values from functions?break return if function
1. 1 answer
2. 89 views
Do functions need to have parameters?yes no
1. 1 answer
2. 52 views
If we want to draw a circle using our helpful drawCircle function at position (300, 400) with a radius of 40 and color blue,
1. 1 answer
2. 66 views
What is printed by the following code?function printNumbers(first, second, third){ println(first); println(second);
1. 1 answer
2. 73 views
What are the parameters of the printNumbers function?function printNumbers(first, second, third){ println(first);
1. 1 answer
2. 84 views
The AP Exam does not use for loops and while loops, but rather REPEAT or REPEAT UNTIL commands as shown below.REPEAT n TIMES {
1. 1 answer
2. 139 views
The AP Exam does not use for loops and while loops, but rather REPEAT or REPEAT UNTIL commands as shown below.REPEAT n TIMES {
1. 1 answer
2. 109 views
Question: 23The AP Exam does not use for loops and while loops, but rather REPEAT or REPEAT UNTIL commands as shown below.
1. 1 answer
2. 97 views
The AP Exam does not use for loops and while loops, but rather REPEAT or REPEAT UNTIL commands as shown below.REPEAT n TIMES {
1. 1 answer
2. 116 views
Consider the following program. Which of the following is NOT a possible output when this runs?function start(){ var mysteryNum
1. 1 answer
2. 66 views
Which of the following returns a random number between 1 and 99?randomInt(1, 99) randInt(1, 99) Randomizer.nextInt(1, 99)
1. 1 answer
2. 51 views
In the following code block, assume that the variables rainy and tooCold are boolean.IF ((NOT rainy) AND (NOT tooCold)) {
1. 1 answer
2. 80 views
The AP Exam uses the following relational (comparison) operators: =, ≠, >, <, ≥, and ≤.As well, AND, OR and NOT are used
1. 1 answer
2. 79 views
Question: 17The AP Exam uses the following relational (comparison) operators: =, ≠, >, <, ≥, and ≤. As well, AND, OR and
1. 1 answer
2. 103 views
The AP Exam uses the following relational (comparison) operators: =, ≠, >, <, ≥, and ≤.As well, AND, OR and NOT are used
1. 1 answer
2. 147 views
What will be the output when the following code runs?function start(){ var loggedIn = false; println("User logged in?: " +
1. 1 answer
2. 73 views
What is the output of the following program?var result = 0; var max = 5; for(var i = 0; i < max; i++){ result += i; }
1. 1 answer
2. 75 views
We want to print the phrase “CodeHS is the best” exactly 25 times. What kind of control structure should we use?If statement
1. 1 answer
2. 74 views
What will the following program print when run?var numberOne = 5; var numberTwo = 10; if (numberOne == 5) { println(1); } if
1. 1 answer
2. 84 views
What will the following program print when run?var above16 = true; var hasPermit = true; var passedTest = false; if (above16 &&
1. 1 answer
2. 77 views
What is printed by the following program?var numApples = 10; var numOranges = 5; if(numApples < 20 || numOranges == numApples){
1. 1 answer
2. 68 views
Question: 9What is printed by the following program? var isRaining = false; var isCloudy = false; var isSunny = !isRaining &&
1. 1 answer
2. 69 views
What will be the output of this program?var number = 5; var greater_than_zero = number > 0; if (greater_than_zero){ if (number >
1. 1 answer
2. 101 views
What will be the output of this program?var number = 5; var greater_than_zero = number > 0; if (greater_than_zero){
1. 1 answer
2. 83 views
What is the value of the boolean variable canVote at the end of this program?var age = 17; var isCitizen = true; var canVote =
1. 1 answer
2. 84 views
What will the following program print when run?for (var j = 0; j < 2; j++) { for (var i = 6; i > 4; i--){ println (i); } } 4 5 4
1. 1 answer
2. 85 views
The following code continually asks the user for a password until they guess the correct password, then ends. But there is one
1. 1 answer
2. 113 views
Question: 3How many times will the following program print "hello"? var i = 0; while(i < 10){ println("hello"); } JavaScript 10
1. 1 answer
2. 59 views
We want to simulate constantly flipping a coin until we get 3 heads in a row. What kind of loop should we use?For loop While
1. 1 answer
2. 80 views
What is the last thing printed by the following program?var start = 30; var stop = 10; for(var i = start; i >= stop; i-=5){ if(i
1. 1 answer
2. 68 views
How many times will this program print "hello"?var i = 50; while (i < 100) { println("hello"); } JavaScript 0 50 100 This code
1. 1 answer
2. 72 views
How many times will this program print "hello"?var i = 10; while (i > 0) { println("hello"); i--; } JavaScript 0 10 i This code
1. 1 answer
2. 83 views
Write a program that draws a random color square centered on the graphics canvas. The sides of the square should be SIDE_LENGTH.
1. 1 answer
2. 76 views
write in java scriptimport random for i in range(100): roll = random.randint(1, 6) print("Roll", i+1, "is", roll, "\n")
1. 1 answer
2. 55 views
Write a program that rolls a 6-sided die 100 times, and prints out all of the rolls.When you output to the console, make sure
1. 1 answer
2. 91 views
# Use for loop to add numbersfor i in range(start_num, end_num+1): num_sum += i
1. 1 answer
2. 39 views
fix the syntax errornum1 = int(input("6: ")) num2 = int(input("8: ")) total = 21 for num in range(num1, num2+1): total += num
1. 1 answer
2. 87 views
calculate and print the sum of all numbers from 6 to 8
1. 1 answer
2. 40 views
complete this codenum1 = int(input("6: ")) num2 = int(input("8: ")) total = for num in range(num1, num2+1): total += num
1. 1 answer
2. 82 views
num1 = int(input("6: "))num2 = int(input("8: ")) total =
1. 1 answer
2. 71 views
fix this codestart_num = int(input("Enter the first number: ")) end_num = int(input("Enter the second number: ")) # Initialize
1. 1 answer
2. 72 views
SyntaxError: Private field '#Initialize' must be declared in an enclosing class
1. 1 answer
2. 49 views
Write a program that asks the user for two numbers. Using a for loop, add all of the numbers from the first to the second.For
1. 1 answer
2. 54 views
What will be the value of sum after this code runs?var START = 1; var END = 4; function start(){ var sum = 0; for(var i = START;
1. 1 answer
2. 68 views
Which of the following is a good example of a proper constant variable name?var max_value = 100; var MAX_VALUE = 100; var
1. 1 answer
2. 57 views
Before Katie turns in the paper she typed she wants a peer to review it and give her feedback. Katie uses her all in one printer
1. 5 answers
2. 200 views
Before Katie turns in the paper she typed, she wants a peer to review it and give her feedback. Katie uses her all-in-one
1. 1 answer
2. 181 views
Using a number line, what is the approximate value of 19−−√?(1 point)Responses 4.25 4.25 4.38 4.38 4.5 4.5 4.13
1. 1 answer
2. 180 views
Star Types Quick Check1 of 61 of 6 Items Question Use the diagram to answer the question. The Hertzsprung-Russell Diagram is
1. 23 answers
2. 490 views
Summarizing Quick Check4 of 44 of 4 Items Question Use the paragraph to answer the question. While the invention of the
1. 3 answers
2. 158 views
When writing a summary, what does it mean to be objective?(1 point)Responses to leave out personal opinions to leave out
1. 3 answers
2. 619 views
When you tell the most important part of a text, what are you identifying?(1 point)
1. 12 answers
2. 382 views
Which information about objects in space can spectroscopy provide? Select the two correct answers.(1 point)Responses timing of
1. 4 answers
2. 430 views
In 1–2 sentences, explain what plagiarism is and how to avoid plagiarism when using the information of others
1. 1 answer
2. 166 views
explain in 2-4 sentences why are Newtons three laws so important to science?make sure it presents a claim and supports the claim
1. 1 answer
2. 155 views
explain why are Newtons three laws so important to science?make sure it presents a claim and supports the claim with
1. 1 answer
2. 169 views
How would reducing low-growing plants from an area impact a population of tortoises with two varieties of neck extension
1. 1 answer
2. 194 views
Which action is an example of genetic modification (creating GMOs)?A raising animals via animal husbandry for food purposes B
1. 1 answer
2. 123 views
A drought hits the habitat of a semi-aquatic bird population. All ponds dry up, and fish populations decline. There are two
1. 27 answers
2. 215 views
Some animals in nature adapt to their changing environment. Those that are successful are able to reproduce and pass on their
1. 1 answer
2. 103 views
Which of these is an example of selective breeding?A Mold is grown in a lab and used to make medicines. B Sheep are cloned to
1. 1 answer
2. 97 views
Selective breeding is a technique that is used toA give all organisms a chance to reproduce B produce organisms from extinct
1. 1 answer
2. 135 views
A species of lizard was found in a tropical forest. After a large volcanic eruption, much of the forest was destroyed, leaving
1. 1 answer
2. 139 views
Over an extended period of time, what would most likely happen to a population of squirrels separated by a river at the bottom
1. 1 answer
2. 130 views
Two solutions are mixed and react to produce the solid precipitate AgCl. The chemical reaction is shown by the balanced chemical
1. 1 answer
2. 154 views
A compound secreted by honeybees to paralyze intruders in their hive is known as 2-heptanone. The formula for this compound is
1. 1 answer
2. 156 views