menu
QAmmunity.org
Answers by Laf
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Answers by Laf
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Answers by Laf
Filter
User Laf
Recent activity
All questions
All answers
Suppose x and y are discrete iid random variables, each taking values 0 and 1 with equal probability. Let Z=x+y. What is the probability mass function of Z? (a) P(Z=0)=1/4, P(Z=1)=1/2, P(Z=2)=1/4 (b)
answered
Jan 2
Mathematics
high-school
2
votes
13.3k
views
the stainless steel in a solid cylindrical rod has a 1.00 inch in diameter and density of 7.75 g/cm3. if we want a 1.00 kg mass of this rod, how long a section (in cm) must we cut off?
answered
Nov 28, 2024
Physics
high-school
4
votes
143k
views
Consider the expressions shown below. a -7x²-2x 5 b 7x²-2x 7 c 7x² 2x-5 complete the following statements with the letter that represents the expression. (3x²-6x 11)-(10x⁻⁴x 6) is equivalent to expression___
answered
Nov 11, 2024
Mathematics
high-school
3
votes
143k
views
A set of three positive integers a, b and c that form the sides of a right triangle. For example: 3, 4, and 5. A) 1, 3, 4 B) 2, 3, 5 C) 3, 5, 6 D) 5, 7, 8
answered
Oct 1, 2024
Mathematics
high-school
3
votes
99.1k
views
List at least two reasons why companies survey their existing customers?
answered
Sep 17, 2024
Business
high-school
4
votes
129k
views
During the nitrogen cycle, specialized bacteria living in the earth's _______ nitrogen taken from the _______ into ammonia. Another set of bacteria convert the ammonia to compounds called _______ that
answered
Aug 23, 2024
Biology
high-school
0
votes
77.7k
views
Write down 7 important political event after 2069 BS in Nepal
answered
Aug 8, 2024
Social Studies
college
4
votes
169k
views
Which Two-Input Boolean function will return 0 for every input it receives?
answered
Jul 15, 2024
Computers and Technology
high-school
5
votes
112k
views
Delirium is the term for brain disease in which memory and cognitive abilities deteriorate over time. True or False
answered
May 15, 2024
Health
high-school
2
votes
3.6k
views
Provide an example of a "clue word" you could look for in a paragraph that supports the process pattern. What word could you find in a whole and parts paragraph?
answered
Apr 13, 2024
Social Studies
high-school
7
votes
215k
views
Pleas help it’s in the picture
answered
Jan 30, 2024
History
college
3
votes
234k
views
Which event resulted in president johnson sending additional troops to vietnam without a formal declaration of war?.
answered
Dec 13, 2023
History
high-school
12
votes
234k
views
The ratio of men to women is 5:8, how many men are in the dance recital
answered
Oct 7, 2023
Mathematics
college
3
votes
103k
views
While living in Babylon, Jews began practice of meeting in synagogues.
answered
Aug 24, 2023
History
high-school
11
votes
192k
views
A sample of gas occupies 1.00L at 720 torr.how many liters will the gas occupy if its pressure is increased to 760 TORR with no change in temperature?
answered
Apr 28, 2023
Chemistry
college
3
votes
141k
views
∠A and \angle B∠B are supplementary angles. If m\angle A=(6x+10)^{\circ}∠A=(6x+10) ∘ and m\angle B=(4x+30)^{\circ}∠B=(4x+30) ∘ , then find the measure of \angle B∠B. If u give answer ill give 100 points
answered
Mar 10, 2023
Mathematics
college
9
votes
229k
views
Use the scale drawing of the lighthouse to answer the question.Height: 8 cmScale = 1 cm : 4 mWhat is the actual height of the lighthouse?A 2m8 4mC 12 mD. 32mE 64m
answered
Feb 19, 2023
Mathematics
college
3
votes
44.1k
views
Which of the following sentences has a Nonessential clause?
answered
Jan 29, 2023
English
college
3
votes
179k
views
It refers to a group of cells which perform essentially the same function. *
answered
Dec 24, 2022
Chemistry
high-school
3
votes
13.6k
views
A barrel contained 160 liters of oil that cost $51.20. What is the cost for one liter?
answered
Nov 16, 2022
Mathematics
college
3
votes
54.6k
views
Page:
1
2
3
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Search QAmmunity.org