menu
QAmmunity.org
Questions by John Landahl
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Questions by John Landahl
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Questions by John Landahl
Filter
User John Landahl
Recent activity
All questions
All answers
Suppose that x is a continuous random variable with a population variance equal to 10. If y=2x, what is the population variance of y?
asked
May 19, 2024
Mathematics
high-school
1
answer
0
votes
160k
views
You are driving in a car which has a mass of 1.0 x 10^3 kg and is traveling at 30.0 km/h. You lose control, and it smashes into a concrete wall, essentially stopping the momentum of your car in 0.10 s.
asked
Apr 8, 2024
Physics
high-school
1
answer
3
votes
230k
views
An increase in altitude leads to a ____________ . Multiple answers. A. Decrease in atmospheric pressure B. Decrease in fraction of oxygen in the air C. Decrease in inhaled P_{O2}P O2
asked
Mar 3, 2024
Biology
high-school
1
answer
3
votes
161k
views
What is the energy change when 20.8 g of CH₃OH react with excess O₂?
asked
Feb 7, 2024
Chemistry
high-school
1
answer
2
votes
54.6k
views
Solve 10 2/9 = w - 6 1/6
asked
Nov 9, 2023
Mathematics
college
1
answer
2
votes
143k
views
Given: - 1/2 x > 6. Choose the solution set. x R, x > -12 x R, x > -3 x x
asked
Jul 4, 2023
Mathematics
college
1
answer
4
votes
159k
views
According to dod 8570.01-m, the ia technical category consists of how many levels?
asked
Jun 15, 2023
Computers and Technology
high-school
2
answers
2
votes
127k
views
Who is Nattramn from silencer? What are your opinions on him?
asked
Jun 1, 2023
Arts
high-school
2
answers
20
votes
182k
views
How do you tun the area of a rectangle into its side lengths?
asked
Jan 21, 2023
Mathematics
college
1
answer
3
votes
154k
views
Find the missing length.
asked
Jan 19, 2023
Mathematics
college
1
answer
4
votes
191k
views
Which graph represents this system? y = 3 X+ y = 4 18 6 6 5 2 23 4 5 6 1 g 92 Mark this and return
asked
Dec 18, 2022
Mathematics
high-school
1
answer
19
votes
99.5k
views
Need help with this question
asked
Dec 18, 2022
Mathematics
high-school
1
answer
5
votes
23.5k
views
What Made Gandhi's Nonviolent Movement Work?
asked
Sep 9, 2022
Mathematics
high-school
1
answer
0
votes
173k
views
Orlando and Ryan are taking measurements related to the installation of a TV tower. Orlando measures a 62° angle of elevation to the top of the 950 ft TV tower. Find the angle of elevation for Ryan, standing
asked
Jul 18, 2022
Mathematics
college
1
answer
4
votes
171k
views
Which expression is equivalent to (9x10z2)(x5y3)
asked
Jul 11, 2022
Mathematics
high-school
1
answer
14
votes
85.6k
views
2. Cuáles son las Ciencias Auxiliares que acompañan a la Economía, explique.
asked
Mar 1, 2022
Social Studies
high-school
1
answer
0
votes
23.5k
views
The heat loss through a window (R-2) is 10 MMBTU/year. Calculate the payback period (in years) ifArgon is filled in the window to increase the effective R-value of the window to 7. Assume heating price
asked
Dec 24, 2021
Physics
high-school
1
answer
1
vote
6.3k
views
What is x? Please explain how you got it so I can understand for future questions.
asked
Dec 10, 2021
Mathematics
middle-school
2
answers
2
votes
201k
views
Consider the function f(x) = 4x - x². Find the average rate of change over the given time intervals. 0.5 <= x <= 1, average rate of change =?
asked
Oct 19, 2021
Mathematics
high-school
2
answers
4
votes
20.1k
views
If i had 20 pancakes how many do i have
asked
Sep 24, 2021
Mathematics
high-school
1
answer
3
votes
92.3k
views
Page:
1
2
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.2m
questions
11.9m
answers
Search QAmmunity.org