Questions Asked on
December 16, 2018

science
when that air under the envelope is heated , the balloon lifts . which of the following statement is true A. hot air balloons use radiation to rise B. hot air balloons use conduction to rise C. hot air balloons use convection to rise D. hot air balloons
asked by Madison 
Social Studies
Drag and drop the characteristics to the correct European nation. Characteristics may be used more than once. sugar was the valuable export added to claimed the east coast of South America conquered Peru imported enslaved Africans sugar was the valuable
asked by dori 
Math
How many solutions does the system of equations have? y=6x+2 and 3y18x=12 one two infinitely many none How many solutions does the system of equations have? x3y=15 and 3x9y=45 one two infinitely many none How many solutions does the system of equations
asked by please help 3 days till semester is overrr helpppp 
Social studies
Which demographic challenge is Europe currently experiencing? A. an aging and decreasing population B. a baby boom C. an unequal distribution between males and females D. a large group of teenagers moving through the school system
asked by :) 
statistics
It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific
asked by patricia 
Math
Janet went on a week holiday: She spent 2/3 of her holiday money in the first week, 1/4 in the second week. What fraction of her holiday money did she bring back home ?
asked by Shubham 
Chemistry
If 0.2g of a salt is required to saturate 200cm3 of waterat room temperature. what is the solubility of the salt?
asked by Elizabeth 
Math
How many solutions does the system of equations have? x3y=15 and 3x9y=5 one two infinitely many none How many solutions does the system of equations have? y5x= 6 and 3y15x= 12 one two infinitely many none
asked by please please help 3 days till semester over 
Math
what is the solution of the system? 4xy= 3 6xy= 8 (5,5.5) (2.5, 7) (2.5, 2.2) (20, 28) what is the solution of the system 5x+6y=20 9x+11y=32 (28, 20) (28, 20) (28, 20) (20, 28)
asked by rainbow 
Finance
Sam wants to start saving for retirement. She wants to have $85,000 per year for 25 years in retirement that will start in 40 years. How much must she deposit in equal annual amounts for the next 20 years if she can earn 9% over the life of her investment?
asked by Jennifer 
Math
Members at a yoga class pay 7 dollars per class plus a one time fee 120 dollars membership fee. Non members pay 11 dollars a class. How many classes would a member have to take to save money compared to taking classes as a non member
asked by Christian berger 
English
Which sentence does not contain a preposition? Donald went on the frozen lake and icefished with local residents. PinetopLakeside has beautiful golf courses and offers many recreational activities. We enjoyed looking at the world’s largest stand of
asked by Caitlyn 
History
What was the cause and effect of the U.S. mexican war
asked by Hi 
ethic
Which of the following is an approach to justice which focuses on repairing harms through processes involving the offender, victim, and community
asked by Tanielle Turner 
Math
You go to Toronto for vacation! Temperature is displayed in Celsius in Canada. You decide to transform the Celsius formula into Fahrenheit since that is what you are used to in the United States. C = 5/9 (F  32). Transform this formula into a formula for
asked by Anime Lover 
math
Find the quotient. five over twentyeight ÷ one over seven A. 1one quarter B. four fifths C. five over one hundred ninetysix Find the quotient. 8start fraction 2 over 5 end fraction ÷ 2start fraction 5 over 8 end fraction A. 3 and onefifth B. 4 and
asked by hannah 
World History
Which options accurately describe life events of explorer Jacques Cartier? (select all that apply) A) Cartier established a colony near Roanoke Island in presentday North Carolina. B) Cartier named Canada after the HuronIroquois word for settlement,
asked by jordan 
math
how many solutions does the system of equations have? 2x= 10+6 and x+5y=3 one two infinitely many none how many solutions does the system of equations have? y=5x+7and3y15x=18 one two infinitely many none how many solutions does the system of equations
asked by rainbow 
Finance
Molly just received a $5,000 inheritance. She wants to open an IRA for retirement, 40 years from today. If she can earn 11% per year in her IRA, how much will she be able to take out annually for 20 years in retirement? A) $24,182 B) $35,041 C) $16,250 D)
asked by Jennifer 
Finance
You put $5,000 per year in an IRA earning 10% a year starting when you graduate and stop 15 years later. How much will you have for retirement, 30 years after you stop depositing, if the account continues to earns 10% a year? A) $158,862 B) $2,772,054 C)
asked by Jennifer 
math
Write the equation for the parabola that has x− intercepts (−2,0) and (1.2,0) and y− intercept (0,−4)
asked by Anonymous 
physics
Can you find the Spring Constant with the xdisplacement(m), height(m), and the mass(kg)? How would it include the conservation of energy needed to relate the speed of the car after launch to the spring constant?
asked by bob 
Math
x/4 +1= 5
asked by can you help me?? 
chemistry
The rate constants for a reaction are found to be k(1431 C) = 19.4 x 10 6 s1 k(1897 C) = 25.2 x 10 5 s1 At what temperature (in degrees C) will the rate constant be 74.7*102 s1?
asked by kanthimathi 
chemistry
The rate constants for a reaction are found to be k(1431 C) = 19.4 x 10 6 s1 k(1897 C) = 25.2 x 10 5 s1 At what temperature (in degrees C) will the rate constant be 74.7*102 s1?
asked by kanthimathi 
English
on the first evening of Miss Perego's visit, Frances lies in bed thinking how Mr Addlierpipe would have said Miss Perego was a witch because of... 1. Her way with animals 2. Her Black and White clothes*** 3. Her cold flesh*** 4. Her habit of saying
asked by Connexusssssssss 
Math
14. Describe the number of solutions for the equation 2(y3) =2y6 a. one solution b. no solution c. infinite solutions my answer is c. i have a few more questions for this test and if anyone could help me that would be great.
asked by meerandoi 
physics
a 230v/30v with 50Hz transformer that has a primary current of 0.6A which supply's number of 30v and 30 watts halogen light bulb. what is the efficiency?
asked by mike 
Math
r/52=3 a.1 b.5 c.9 d.25 is it b?
asked by meerandoi 
Math
The temperature in degrees Celsius (C) can be converted to degrees Fahrenheit (F) using the formula F(C)= 9/5 C+k, where k is a constant. Find k, if to C=−40ºC corresponds F=−40ºF.
asked by Sam 
Math/PreAlgebra
Philip is going on a 4000kilometer road trip with three friends. The car consumes 6 liters of gas per 100 kilometers and gas costs $1.50 per liter. If Philip and his friends want to split the cost of gas evenly, how much should they each pay?
asked by Libby 
Poll
Hi guys I am doing a poll and I am just wondering what time do you go to bed? And also what are you leading up to that time? For example, if you are confused. I go to bed at 9:30 and I watch T.V with my family leading up to that time. Thanks for taking
asked by James Doyle 
math
During choice time the teacher put out 32 legos . Ronaldo has 15 fewer legos than Sandra. How many legos does Ronaldo have?
asked by LB 
language arts
Describe the relationship between Johnny and Lieutenant Stranger. Please help ASAP
asked by SwagBoii 
math
how do you solve x/5= 2 i don't understand how to solve it
asked by need help asap 
Guidance
wich course can I follow?
asked by mavhungu 
history
How did Mexican Cession shape the growth of the United States? (Select all that apply.) a. It promoted migration west. b. It promoted cultural hegemony. c.It eliminated nationalism. d. It spread Christianity.
asked by ken 
English
Which sentence contains correct information about the object of a preposition? In the sentence "The city was founded in the late 19th century," "founded" is the object of the preposition. In the sentence "Lakeside got its name from the beautiful lakes that
asked by Caitlyn 
English
What is the antecedent of the pronoun in this sentence? Gina's legs were tired, and they felt like lead. tired Gina legs lead Would this be legs?
asked by Caitlyn 
Texas History
How did this battle shape the outcome of the Texas Revolution? Give two significant effects. Help appreciated!
asked by ?!?! 
Science
What is a example of a stable system and how can I determine whether or not this system is stable (please help urgent)
asked by Nadie 
Calculus
The function g is defined by g(x)=9k−4, where k is a constant. Find k, if the graph of g passes through the point (7,−2).
asked by Alina 
algebra
g=1+2a/b
asked by m 
math
the create the illusion of a lifesized image, puppeteers sometimes use a light source to show an enlarged image of. puppet projected on a screen or wall. Suppose the the distance between a light source l and the upper is 24 inches, LP. TO what distance
asked by hi 
Science
Create a scale for your model thermometer. Divide the distance between the two marks into 5mm intervals. Starting with the lowest point, label the intervals on the straw 0, 1, 2, 3, and so on. Describe your scale below. So I don't understand this part:
asked by Kristy 
probablity
Bob goes to a party, wearing a hat that fits him well. At the end of the party, Bob picks up a hat, without looking at it. He knows that the hat he has picked is his own with probability p. As a first check to see if he has picked up his own hat, he tries
asked by Anonymous 
probablity
In this problem, you may find it useful to recall the following fact about Poisson random variables. Let X and Y be two independent Poisson random variables, with means λ1 and λ2, respectively. Then, X+Y is a Poisson random variable with mean λ1+λ2.
asked by Anonymous 
math
Austin spends 2 hours on his homework. He spends equal amounts of time on all subjects. If Austin spends one over three of an hour on math, how many subjects does he study? A. 3 subjects B. 4 subjects C. 5 subjects D. 6 subjects
asked by hannah