coco
Popular questions and responses by coco
Chemistry
An automobile tire has a maximum rating of 38.0 psi (gauge pressure). The tire is inflated (while cold) to a volume of 11.8 Liters and a gauge pressure of 36.0 psi at a temperature of 12.0 Celsius. While driving on a hot day, the tire warms to 65.0 Celsius
asked on February 20, 2015 
Physics
A circuit contains a resistor in series with a capacitor, the series combination being connected across the terminals of a battery. The time constant for charging the capacitor is 2.6 s when the resistor has a resistance of 1.9 x 104 Ω. What would the
asked on September 24, 2019 
Physics
A particle is at x=+5m at t=0, x=7m at t=6s and x=+2m at t=10s. Find the average velocity of the particle during the intervals. (a) t=0 and t=6s (b) t=6s to t=10s (c) t=0 to t=10s
asked on March 7, 2016 
Consumer Math
Marta borrowed $1,380 for 15 months at 13 percent APR. How much will she pay in interest?
asked on February 11, 2015 
Chemistry
Which processes are taking place in the following reaction? 2CO(g) + O2(g) ⇌ 2CO2(g) A. displacement and reduction B. synthesis and decomposition C. ionization and recombination D. sublimation and evaporation Is B right?
asked on August 9, 2015 
Math/Fractions
Tanisha has 2 new kittens. Together they weigh 3 5/8 pounds. If the male kitten weighs 5/8 pound more than the female kitten, how much does the male kitten weigh?
asked on December 9, 2010 
Math
The sum of two numbers is 39. Twice the first number plus three times the second number is 101. Find the numbers.
asked on October 16, 2017 
English
I need to write a dramatic monologue as Jordan from the Great Gatsby. The context is that it is approximately 5 years since Gatsby died and Jordan is talking to Daisy at a golf competition in Chicago. That's all the information I have and it's a grade 12
asked on May 18, 2017 
Physics
A car moving with a speed of 180km/h was brought uniformly to rest by the application of the breaks in 20s. How far did the car travel after the breaks were applied?
asked on March 7, 2016 
algebra
given the function k described by k(x)=x+20 find each of the following k(0)= k(12)= k(9)= k(15)= k(y+1)=
asked on March 18, 2012 
Physics
An aircraft flies 800km due east and then 600km due north. Determine the magnitude of it's displacement
asked on March 7, 2016 
Physics
It took a car driver 30min to travel a distance of 50km. What is the average speed?
asked on March 7, 2016 
Chemistry
The equivalence point of any acid titrated with a base occurs when the A. concentration of the acid and concentration of the titrant are equal. B. mass of the acid and the mass of the titrant are equal. C. pH of the mixture of the acid and titrant is 7.0.
asked on August 14, 2015 
chemistry
write the balanced chemical equation for the reaction that would occur ewhen a base is added to a solution containing H2PO4/HPO4^2 buffer system can you please help we write this balanced equation. thank you
asked on August 14, 2015 
Economics
Are these questions positive or normative? 1)Too many people smoke. 2)Lung cancer kills millions each year. 3)If government were to increase taxes on cigarettes, people would smoke less.
asked on September 14, 2014 
statistic
The time necessary to assemble a discount store display is normally distributed with μ = 5 minutes and σ = 30 seconds. A large number of potential employees are timed assembling a practice display. How much time (in minutes) should the personnel manager
asked on November 8, 2012 
statistic
Suppose a random sample of 25 students is selected from a community college where the scores in the final exam (out of 125 points) are normally distributed, with mean equal to 112 and standard deviation equal to 12. Find the probability that the sample
asked on November 8, 2012 
math
Which of the following shows the next step using the least common denominator to simplify 7/85/6?
asked on March 17, 2012 
chemistry
Data collected from the calorimetry of a metal mass of the metal = 110.62g initial temperature of the water in the cup = 23.0 C initial temperature of the metal in the boiling water = 99.02 C final temperature of the metal AND water in the cup=25.54C
asked on June 5, 2010 
chemistry
What is the chemical name for Salt Water
asked on February 2, 2009 
math
subtract (5x^49x^211)(2x^3+3x^212)
asked on January 15, 2020 
Physics
Three resistors, 1.17, 2.66, and 4.73Ω, are connected in series across a 13.4V battery. Find the power delivered to each resistor.
asked on September 24, 2019 
Physics
The current in a 62Ω resistor is 0.15 A. This resistor is in series with a 25Ω resistor, and the series combination is connected across a battery. What is the battery voltage?
asked on September 24, 2019 
Physics
Two charges are placed on the x axis. One of the charges (q1 = +8.59C) is at x1 = +3.00 cm and the other (q2 = 25.6C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b) x =
asked on September 24, 2019 
Physics
Two resistors, 34.8 and 84.1Ω, are connected in parallel. The current through the 84.1Ω resistor is 2.47A. (a) Determine the current in the other resistor. (b) What is the total power supplied to the two resistors?
asked on September 22, 2019 
Physics
A moving particle encounters an external electric field that decreases its kinetic energy from 9160 eV to 7160 eV as the particle moves from position A to position B. The electric potential at A is 58.0 V, and that at B is +22.0 V. Determine the charge of
asked on September 22, 2019 
Social Studies
Describe feudal Japanese society. What were the roles of shoguns, samurai, daimyo, and peasants? idk how to answer this can you help i know you wont give me the answer but i need something to help me plz
asked on September 12, 2019 
Physics
Liquid helium is stored at its boilingpoint temperature of 4.2 K in a spherical container (r = 0.30 m). The container is a perfect blackbody radiator. The container is surrounded by a spherical shield whose temperature is 74 K. A vacuum exists in the
asked on September 11, 2019 
Language arts
9. Which sentence in the selection shows the Jenja has matured during the course of this story A) There was only one word for it, and I said it:"Superblastic!" B) This might not just be a summer job; this could be my life's work. C) I knew the job was
asked on June 13, 2019 
algebra
9p+8=10p+7
asked on December 11, 2018 
social studies
4. which of the following would have been studied as a result of the humanism movement a. a copy of the Gutenberg bible** b. The odyssey by the Greek poet homer c. Martin Luther’s 95 thesis d. The Canterbury tales by the English writer Geoffrey Chaucer
asked on November 2, 2018 
social studies
4. which of the following would have been studied as a result of the humanism movement a. a copy of the Gutenberg bible** b. The odyssey by the Greek poet homer c. Martin Luther’s 95 thesis d. The Canterbury tales by the English writer Geoffrey Chaucer
asked on November 2, 2018 
science
One way humans can preserve biodiversity is ______. A. habitat destruction B. habitat preservation C. habitat fragmentation D.poaching i need to check all my answers but do not have much time, please help me
asked on April 16, 2018 
Algebra
Cynthia's age is 2 years more than twice Bob's age. If the product of their ages is 60, how old is Cynthia?
asked on March 18, 2018 
Chemistry
What is the precipitation of CaSO4 and Na2CO3 when mixed? What is the net ionic equation?
asked on October 24, 2017 
Math
My son is 1/3 my age now.Five years ago,he was 1/4 my age then.How old is my son?
asked on October 24, 2017 
Science
Teachers need a better way to give feedback to students. Writing on everyone's paper takes a lot of time,even though it is effective. Students and teachers need a better way.
asked on February 10, 2017 
Science
Five criteria for decision making matrix "teachers need a better way to give feedback to students."
asked on February 10, 2017 
trig
given cotθ = (1/2) √7, find sinθ and cosθ in quadrant I cotθ = x/y would 1/2 be the x and √7 be the y?
asked on October 10, 2015 
trig
1) given cotθ = 1/2√7, find sinθ and cosθ in quadrant I 2) given tanθ = √5, find secθ and cotθ in quadrant III
asked on October 10, 2015 
Chemistry
Can you please explain to me how you would regulate the pressure to favor the products in the this equilibrium system. MgCO3(s)>
asked on August 11, 2015 
Chemistry
what information must you know to calculate the boiling point elevation of a solution of hexane in benzene. Is it the temp, Kb and the molality?
asked on August 7, 2015 
Chemistry
heating cyclopropane (C3H6) converts it to propane (CH2=CHCH3). The rate law is first order in cyclopopane. If the rate constant at a particular temp is 6.22x10^4 s^1 and the concentration of cyclopropane is held at .0300 mol/L, what mass of propane is
asked on August 7, 2015 
Math
Which is the best type of graph to show the number of markers in each classroom, if markers come in boxes of 20?
asked on May 11, 2015 
Math  Algebra
our riding your bike to the park, sit to read for a while, and then ride your bike home. It takes you less time to ride from the park to your house than it took to ride from your house to the park. Draw a sketch of a graph that shows your possible distance
asked on February 26, 2015 
Math
The perimeter of rectangular garden is 40 feet. The width is 2 feet more than half the length. What is the length and width
asked on April 16, 2014 
Government
name three roles that interest groups play in American electionsl
asked on November 14, 2013 
Math
Judy bought a coat at a 20% discount sale for $68. What was the original price of the coat?
asked on January 29, 2013 
Physics
A 8.5 dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.47 , relative to the water, and the canoe simultaneously moves in the opposite direction at
asked on November 22, 2012 
Physics
A 1.2 long steel rod with a diameter of 0.50 hangs vertically from the ceiling. An auto engine weighing 4.7 is hung from the rod. By how much does the rod stretch?
asked on November 22, 2012 
calculus
f(x)=13x g(x)=5x^2+3x+2 find f(g) g(f) and f(f) and their domains.
asked on October 29, 2012 
algebra
f(x)=x+19
asked on March 18, 2012 
PHYSICS Please Help :(
A ball is thrown downwards at a velocity of 14m/s from a bridge. One second earlier a rock is dropped from the same bridge. a)When will the ball meet up with the rock. b)When will the ball meet up with the rock? c)What is the initial minimum speed by the
asked on February 12, 2012 
Physics
Car A passes a light post moving at 25m/s and continues at this speed. Two seconds later, another car passes the light post moving at 40m/s. Assuming no acceleration of either car. a)How much time will it take for the second car to catch up with the first
asked on February 12, 2012 
math
Ruth sells cars. She receives a commission of 12% on sales up to $35,000 and a commission of %24 on sales over $35,000. What is Ruth's commission if she sold a car for $50,000?
asked on March 28, 2011 
college physics
Two forces, of magnitudes F_1 = 80.0 N and F_2 = 25.0 N, act in opposite directions on a block, which sits atop a frictionless surface. Initially, the center of the block is at position x_i = 4.00 cm. At some later time, the block has moved to the right,
asked on February 25, 2010 
college physics
Suppose that the coefficient of friction between your feet and the floor, while wearing socks, is 0.250. Knowing this, you decide to get a running start and then slide across the floor. If your speed is 3.00 m/s when you start to slide, what distance, d,
asked on February 25, 2010 
Chemistry
An acid is comprised of 0.2g hydrogen, 7.1g chlorine and 12.8g oxygen. What is the most likely formula for this acid.
asked on May 19, 2009 
chemistry
Define the following concepts a. standard solution b. mole c. molar mass
asked on May 19, 2009 
chemistry
Define the term 'polymer' and then name two examples of naturally occurring polymers.
asked on May 19, 2009 
Biology
If purebreeding tall plants are selffertilized what kind of plants always grow from the seeds that are produced?
asked on March 25, 2009 
8th grade history project
I am doing a history project on marketing inventions from the 1800s. I have to create a poster that includes a catchy slogan for a factory system. (remember that it is from the 1800s.) If you could help give me some ideas that would be great!!! thank you
asked on March 17, 2009 
8th grade history
I'm writing a research report on the very first stagecoaches. The information that I cannot find is: Who invented it who has improved it over the years how and where was it originally used If not used today, why is it not used, and what replaced it? Thank
asked on March 8, 2009 
civics (history)
Miranda v. Arizona case how is the 14th amendment implicated in this case? how did the court go beyond its usual practice in coming to a decision?
asked on February 15, 2009 
Math
If m2 = m1*d1/d2 what is d1 and d2 when m1 is 50 and m2 is 84
asked on February 4, 2009 
math
Evaluate the following. Remember to use the order of operations. 4(3) + 1 ______________ 22/(2)
asked on September 15, 2008 
HELP! prealgebra
i have a word unscramble that i need help with i have to turn this word in unscrambled so this is the word scrambled: Seprororpit p.s. please relply asap thnx :]
asked on September 5, 2008 
math
Write 8% as a fraction or a mixed number.
asked on September 4, 2008 
Math
A cyclist bikes x distance at 10 miles per hour and returns over the same path at 8 miles per hour. What is the cyclist’s average rate for the round trip in miles per hour?
asked on August 22, 2007

math
(2x10 to the 7th power)+(5x10 to the 5th power)
posted on April 2, 2020 
Science
HI EVERYONE HOW IS YOUR DAY
posted on February 14, 2020 
Language
I'm actually Suprise Unspeakable Has the correct answer
posted on December 17, 2019 
Algebra
Which one is it?
posted on November 6, 2019 
Algebra
Is this right
posted on November 6, 2019 
Algebra
Where is it what is the answer
posted on November 6, 2019 
math
I think it's 12 x c + b because 12 eggs are a dozen multiply by unknown, you get a multiple of twelve then you add your broken eggs for the total.
posted on November 4, 2019 
Maths
i do not like the answer
posted on March 21, 2019 
Maths
i do not like the answer
posted on March 21, 2019 
social studies
could you help me with a few more 12. why did the Renaissance humanists think that people should study classical works a. people could improve their earthly lives b. people could gain knowledge that would lead to a revival of the Roman Empire c. reading
posted on November 2, 2018 
social studies
9 i thought you said 10 was wrong either way i think 10 is c
posted on November 2, 2018 
social studies
8. d 10. a i think for 6 that 3 is wrong so is there another one that is right that i didn’t put
posted on November 2, 2018 
social studies
I don't know i'm not shure
posted on October 24, 2018 
social studies
I think its a
posted on October 24, 2018 
4th grade math
4+2=6 1506=144 r=144 inches
posted on March 25, 2018 
math
u r wrong the total has to be 24
posted on March 25, 2018 
Art
Meh is right if your on connexus
posted on February 15, 2018 
health
more men are stay at home dads
posted on February 10, 2018 
health
lol you mixed up 2 questions there both 2 diffrent things
posted on February 10, 2018 
math
6_3
posted on January 23, 2018 
english
people express thoughts by using lanaguage
posted on December 2, 2017 
Math
No need now thanks everyone. *In case you need the answer,it is 40.
posted on October 24, 2017 
Language Arts  The Odyssey  Please Check Answers
by describing his loyalty to Zeus
posted on July 5, 2017 
Language Arts  The Odyssey  Please Check Answers
by describing his loyalty to Zeus
posted on July 5, 2017 
math
58.90 duh
posted on January 24, 2017 
math
i dunno. dont even ask.
posted on January 17, 2017 
Civics
Yes you are correct!
posted on December 9, 2016 
science
I cant really locate it but these rivers are originat at the Appalachion Mountains.
posted on February 25, 2016 
trig
would*
posted on October 10, 2015 
trig
for #1 i mean (1/2) √7 which 1/2 be the x and √7 be the y?
posted on October 10, 2015 
Chemistry
What is the rate also what is k and Sr i am so confused
posted on August 7, 2015