# coco

Popular questions and responses by coco
1. ## 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

2. ## 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

3. ## 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

4. ## Consumer Math

Marta borrowed \$1,380 for 15 months at 13 percent APR. How much will she pay in interest?

5. ## 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?

6. ## 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?

7. ## Math

The sum of two numbers is 39. Twice the first number plus three times the second number is 101. Find the numbers.

8. ## 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

9. ## 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?

10. ## 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)=

11. ## Physics

An aircraft flies 800km due east and then 600km due north. Determine the magnitude of it's displacement

12. ## Physics

It took a car driver 30min to travel a distance of 50km. What is the average speed?

13. ## 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.

14. ## 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

15. ## 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.

16. ## 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

17. ## 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

18. ## math

Which of the following shows the next step using the least common denominator to simplify 7/8-5/6?

19. ## 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

20. ## chemistry

What is the chemical name for Salt Water

21. ## math

subtract (5x^4-9x^2-11)-(2x^3+3x^2-12)

22. ## Physics

Three resistors, 1.17, 2.66, and 4.73Ω, are connected in series across a 13.4-V battery. Find the power delivered to each resistor.

23. ## Physics

The current in a 62-Ω resistor is 0.15 A. This resistor is in series with a 25-Ω resistor, and the series combination is connected across a battery. What is the battery voltage?

24. ## 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 =

25. ## Physics

Two resistors, 34.8 and 84.1Ω, are connected in parallel. The current through the 84.1-Ω resistor is 2.47A. (a) Determine the current in the other resistor. (b) What is the total power supplied to the two resistors?

26. ## 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

27. ## 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

28. ## Physics

Liquid helium is stored at its boiling-point 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

29. ## 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

9p+8=10p+7

31. ## 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

32. ## 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

33. ## 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

34. ## 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?

35. ## Chemistry

What is the precipitation of CaSO4 and Na2CO3 when mixed? What is the net ionic equation?

36. ## Math

My son is 1/3 my age now.Five years ago,he was 1/4 my age then.How old is my son?

37. ## 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.

38. ## Science

Five criteria for decision making matrix "teachers need a better way to give feedback to students."

39. ## 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?

40. ## 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

41. ## Chemistry

Can you please explain to me how you would regulate the pressure to favor the products in the this equilibrium system. MgCO3(s)-->

42. ## 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?

43. ## 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

44. ## Math

Which is the best type of graph to show the number of markers in each classroom, if markers come in boxes of 20?

45. ## 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

46. ## 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

47. ## Government

name three roles that interest groups play in American electionsl

48. ## Math

Judy bought a coat at a 20% discount sale for \$68. What was the original price of the coat?

49. ## 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

50. ## 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?

51. ## calculus

f(x)=1-3x g(x)=5x^2+3x+2 find f(g) g(f) and f(f) and their domains.

52. ## algebra

f(x)=x+19

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

54. ## 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

55. ## 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?

56. ## 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,

57. ## 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,

58. ## 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.

59. ## chemistry

Define the following concepts a. standard solution b. mole c. molar mass

60. ## chemistry

Define the term 'polymer' and then name two examples of naturally occurring polymers.

61. ## Biology

If pure-breeding tall plants are self-fertilized what kind of plants always grow from the seeds that are produced?

62. ## 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

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

64. ## 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?

65. ## Math

If m2 = m1*d1/d2 what is d1 and d2 when m1 is 50 and m2 is 84

66. ## math

Evaluate the following. Remember to use the order of operations. 4-(-3) + 1 ______________ 2-2/(-2)

67. ## HELP! pre-algebra

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 :]

68. ## math

Write 8% as a fraction or a mixed number.

69. ## 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?

1. ## math

(2x10 to the 7th power)+(5x10 to the 5th power)

posted on April 2, 2020
2. ## Science

HI EVERYONE HOW IS YOUR DAY

posted on February 14, 2020
3. ## Language

I'm actually Suprise Unspeakable Has the correct answer

posted on December 17, 2019
4. ## Algebra

Which one is it?

posted on November 6, 2019
5. ## Algebra

Is this right

posted on November 6, 2019
6. ## Algebra

Where is it what is the answer

posted on November 6, 2019
7. ## 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
8. ## Maths

i do not like the answer

posted on March 21, 2019
9. ## Maths

i do not like the answer

posted on March 21, 2019
10. ## 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
11. ## social studies

9 i thought you said 10 was wrong either way i think 10 is c

posted on November 2, 2018
12. ## 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
13. ## social studies

I don't know i'm not shure

posted on October 24, 2018
14. ## social studies

I think its a

posted on October 24, 2018

4+2=6 150-6=144 r=144 inches

posted on March 25, 2018
16. ## math

u r wrong the total has to be 24

posted on March 25, 2018
17. ## Art

Meh is right if your on connexus

posted on February 15, 2018
18. ## health

more men are stay at home dads

posted on February 10, 2018
19. ## health

lol you mixed up 2 questions there both 2 diffrent things

posted on February 10, 2018
20. ## math

6_3

posted on January 23, 2018
21. ## english

people express thoughts by using lanaguage

posted on December 2, 2017
22. ## Math

No need now thanks everyone. *In case you need the answer,it is 40.

posted on October 24, 2017

by describing his loyalty to Zeus

posted on July 5, 2017

by describing his loyalty to Zeus

posted on July 5, 2017
25. ## math

58.90 duh

posted on January 24, 2017
26. ## math

posted on January 17, 2017
27. ## Civics

Yes you are correct!

posted on December 9, 2016
28. ## science

I cant really locate it but these rivers are originat at the Appalachion Mountains.

posted on February 25, 2016
29. ## trig

would*

posted on October 10, 2015
30. ## trig

for #1 i mean (1/2) √7 which 1/2 be the x and √7 be the y?

posted on October 10, 2015
31. ## Chemistry

What is the rate also what is k and Sr i am so confused

posted on August 7, 2015