# Jerry

Newest questions and responses by Jerry-
## Physics: electricity

A 20g mass with charge q=+8C hangs from a spring of stiffness k=50N/m. If an infinite plane with charge density sigma=+3C/m^2 is placed d=5cm below the masses original position, through what distance does the mass on the spring deflect in meters? Ignore

*asked on February 5, 2019* -
## Physics: electricity

A \(m=20\,\mathrm{g}\) mass with charge \(q=+8\,\mathrm{\mu C}\) hangs from a spring of stiffness \(k=50\,\mathrm{N/m}\). If an infinite plane with charge density \(\sigma=+3\,\mathrm{\mu C/m^2}\) is placed \(d=5\,\mathrm{cm}\) below the masses original

*asked on February 5, 2019* -
## Psychics

A drag racing car starting from a standstill can reach a speed of 320 km/h in 6.50s by exerting an average horizontal force of 1.52x10^4 N on the pavement. If friction equals 5.2x10^3 N, what is the mass of the car?

*asked on October 29, 2018* -
## English

Please kindly help me to correct my english grammar. Dear sir, Good day, I just want to confirm from you if it is true the rampant rumors regarding the company.I just heard from this rumors mostly from company staff that it is already being purchased by

*asked on August 5, 2018* -
## English grammar

Please correct my english grammar. Dear sir, Good day, I just want to confirm from you if it is true the rampant rumors regarding the company.I just heard from this rumors mostly from company staff that it is already being purchased by other company. I'm

*asked on August 5, 2018* -
## Chemistry

HCl(aq)+Li2CO3(aq)→ Express your answer as a chemical equation. Identify all of the phases in your answer. Enter noreaction if no precipitate is formed.

*asked on July 1, 2018* -
## Chemistry

2. The reaction can be described in words as follows: aluminum sulfate reacted with ammonium hydroxide forming the insoluble product or precipitate, aluminum hydroxide and the water-soluble ammonium sulfate. The chemical equation can be written as follows

*asked on June 24, 2018* -
## Chemistry

2. The reaction can be described in words as follows: aluminum sulfate reacted with ammonium hydroxide forming the insoluble product or precipitate, aluminum hydroxide and the water-soluble ammonium sulfate. The chemical equation can be written as follows

*asked on June 24, 2018* -
## English

Write a few lines of dialogue between the emotions gratitude and anticipation. Make sure every line matches the emotion.

*asked on May 30, 2018* -
## Socials

What evidence is there to support John A. Macdonald’s argument that BC would be better off joining the United States if the transcontinental railway was not built?

*asked on May 16, 2018* -
## Math

For safety reasons, the angle between a ladder and the ground should be between 65° and 80. A ladder that is 5 m long is placed so that it reaches a window on the top floor of a house. If the foot of the ladder is 1.5 m from the house, is the ladder safe?

*asked on February 22, 2018* -
## english

Help please. 26. Write a paragraph that answers the questions below. Include at least two supporting details or examples. In “the literature of the Americas,” Kimberly Koza writes; “By discovering the literature of our neighbors, we may also learn

*asked on September 17, 2017* -
## 7th Grade Math

What value(s) can x have if x = |7|? Explain.

*asked on September 12, 2017* -
## singapore math

Kim, Mei and yante collect stamps. Kim and Mei have 220 stamps more than Yanti. Yanti and Mei have 140 stamps more than Kim. Kim and Yanti have 500 stamps. How many stamps does Mei have?

*asked on August 2, 2017* -
## Math 6th Grade

Bob is planting in a rectangular container. In the center of the container he places a smaller rectangular tub with mint. The tub is 8 in. by 3 in. He plants flowers around the tub. What is the area of the container planted with flowers? The whole

*asked on May 30, 2017* -
## 6th Grade Math (Please Help It's Getting Late)

Roger visted a ski and snowboard shop the other day to buy a new snowboard. The store said it was having a sale, today only. 20% off all new 2016 Burton Snowboards. Usually these snowboards cost $300 when they're not on sale. Roger told his friend John

*asked on April 26, 2017* -
## programming

Design a sub-class of SimpleCalculator called Calculator using psudoecode that contains public methods named multiply(), and divide() and that defines private fields called num1 and num2. Each of the methods accepts two numeric arguments and returns a

*asked on April 9, 2017* -
## programming

Design a sub-class of SimpleCalculator called Calculator using psudoecode that contains public methods named multiply(), and divide() and that defines private fields called num1 and num2. Each of the methods accepts two numeric arguments and returns a

*asked on April 9, 2017* -
## chemistry

25cm cubed of 0.250mol per litre of potasium carbonate was nuetralized 12.5cm cubed of ethanoic acid of unknown concentration.determine concentration of the acid

*asked on January 11, 2017* -
## Math

Write a real world problem for the equation 3+x=8

*asked on January 5, 2017* -
## science

Why the solution of aluminium sulphate in water is not clear

*asked on January 1, 2017* -
## algebra 1

The base of a triangle is 3 cm greater than the height. The area is 27 cm squared. Find the height and base of the triangle.

*asked on December 15, 2016* -
## physics

experiencing a constant horizontal 1.10 m/s wind, a hot air balloon ascends from the launch site at a constant vertical speed of 2.70 m/s. at a height of 202 m, the balloonist maintains constant altitude for 10.3 s before releasing a small sandbag. how far

*asked on December 8, 2016* -
## Stat & Prob.

Show that if Cov(X,Y)=0, then the correlation coefficient satisfies p(X+Y, X-Y)=Var(X)-Var(Y)/ Var(X)+Var (Y)

*asked on December 1, 2016* -
## healthcare stats

You currently lease scanning equipment at a cost of $2,750 per quarter and two copy machines at $150 each per month plus $0.01 per page copied. You estimate you will copy a total of 30,000 pages a year per copier. What will you need to budget annually for

*asked on November 8, 2016* -
## Physics

Which are in static equilibrium? 1. A box sliding down a ramp. 2. A baseball after being hit. 3. A box sliding along a horizontal surface. 4. A perfectly upright freely spinning top 5. A freely swinging simple pendulum 6. A spinning astronaut floating out

*asked on October 30, 2016* -
## PHYSICS

a 75kg parent and a 22kg child meet at the center of an ice rink. they place their hands together and push hard enough to slide apart. a. is the force experienced by the child more than, less than, or the same force experienced by the parent? I said they

*asked on October 11, 2016* -
## Algebra

Boris is driving to Memphis. Suppose that the distance to his destination (in miles) is a linear function of his total driving time (in minutes). Boris has 58 miles to his destination after 21 minutes of driving, and he has 42.6 miles to his destination

*asked on September 11, 2016* -
## algebra

How would you enter the equation y + x2 = -1 into your calculator in order to graph it?

*asked on June 14, 2016* -
## Math

What is 9 minus 3 decided by 1third plus 1 equals

*asked on May 21, 2016* -
## Biology - Help!

Based on your knowledge of eukaryotic gene regulation, what series of events would explain the generation of the "pre-activated" state for the full set of B-globin like genes (epsilon, gamma, delta, and beta) in the earliest embryo?

*asked on May 9, 2016* -
## chemistry

the density of an aqueous solution containing 10.0% by mass ethanol is 0.984 g/ml. calculate molality and molarity. what volume of the solution would contain 1.15 g ethanol ?

*asked on May 4, 2016* -
## math

Tim Tele received a $380 discount loan to purchase a DVD player. The loan was offered at 18% for 60 days. Find the interest in dollars and the proceeds for the following problem.

*asked on March 22, 2016* -
## Physics

Car A travelling at 13 m/s [N] is 190m behind car B which is travelling at 9.0 m/s [N]. At this moment car A starts to accelerate at 6.0 m/s^2 [N] to catch up with car B. After 1.0s, car B also starts to accelerate at 2 m/s^2 [N]. How long will it take car

*asked on January 23, 2016* -
## L/A

These questions are from the book Rain Reign. Explain Rose's father's childhood. How might his childhood impact his relationship with Rose?

*asked on January 12, 2016* -
## Language Arts

These questions are from the book Rain Reign. Explain Rose's father's childhood. How might his childhood impact his relationship with Rose?

*asked on January 12, 2016* -
## math

3x^4-4/(x+2)^3

*asked on January 5, 2016* -
## Biology

List down 20 acids with their property and identify them by saying polar or non polar and acidic charge or basic charge

*asked on January 5, 2016* -
## Math

Each triangle is a 30-60-90 triangle, and the hypotenuse of one triangle is the longer leg of an adjacent triangle. The hypotenuse of the largest triangle is 8 centimeters. What is the number of centimeters in the length of the longer leg of the smallest

*asked on December 29, 2015* -
## Algebra I

You have decided to try and convince your parents to let you get your own cell phone. After finding out that the flat monthly rate for unlimited minutes $35.00, which you can afford, you offer to pay the cost yourself. However, just before you place your

*asked on December 13, 2015* -
## Social Studies (Help!)

Why did New France stretch so far to the west?

*asked on December 7, 2015* -
## Social Studies (Help!)

Why did the English want to hide their colony from Spaniards? Please help!!!!

*asked on December 1, 2015* -
## Math

A flowerbed is 3 3/4 meters long and 2 meters wide. Uncle James wants to build a border around the flowerbed. The width of the border is 1/2 meter. The cost of building the border is $20 per square meter. How much does Uncle James have to pay to have the

*asked on November 16, 2015* -
## Math

If it takes a old and hot tap 6 mins to fill a bath and on their own it takes the hot tap 100 secs more than the cold tap to fill bath. How long will it take the cold tap on its own to ill the bath

*asked on November 8, 2015* -
## Chemistry

how much limestone would be required to change the ph value from 4 to 4.5 in 20000 cubic of water?

*asked on November 7, 2015* -
## Math

How many 5 foot tiles are needed to completely cover a 40 foot square wall?

*asked on October 19, 2015* -
## Math

a shop has one pound bags of peanuts for $2.00 and three-pound bags of peanuts for $5.50 if you buy 5 bags and spend $17, how many of each size bad did you buy?

*asked on September 29, 2015* -
## English

They sustained life threatening injuries in the forest fire, their names, ironically, are included on the list of suspected arsonist. How would you correct the sentence structure error? a. separate the two clauses with a colon b. join the two independent

*asked on September 24, 2015* -
## Math

Consider a market where supply and demand are given by QXS = -14 + PX and QXd = 85 - 2PX. Suppose the government imposes a price floor of $38, and agrees to purchase any and all units consumers do not buy at the floor price of $38 per unit. a. Determine

*asked on September 15, 2015* -
## Algebra 2

I have to add this rational expression but I keep on ending up with 2 different answers each time I try to solve the expression. 2/x + 1/2x My answer is 4x+1/2x; but I also got 5/2x. Which one is correct and why?

*asked on September 12, 2015* -
## Algebra 2

Someone please help me. Cycle Paths, Inc. makes bicycles, tricycles, and unicycles. Last week they made 88 more bicycles then unicycles, and five times as many tricycles as unicycles. If they made 40 more bicycles then tricycles, how many unicycles did

*asked on August 23, 2015* -
## Philosphy - Dream Interpreations

I recently just had a dream when I was alone in my room enjoying myself and suddenly about 4-5 to what I perceived as venomous snakes, each with a vivid and distinct coloring design, appeared from the trashcan in the room and start slithering around. As I

*asked on April 29, 2015* -
## chemistry

How many moles are their in 10.6 L os SO2 ?

*asked on April 20, 2015* -
## Physics

In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a straight-away at 67.5 m/s. The driver of the Thunderbird realizes he must make a pit stop, and he smoothly slows to a stop over a distance of 250 m. He

*asked on January 23, 2015* -
## Math

(6/x^2+5x+6) + (9/x+3) express answer in reduced form What i attempted is to factor out the bottom half of the first fraction to 6/(x+2)(x+3) the second half i'm guessing would be to multiply each side by the x+3? making it a (6x+18/(x+2)(x+3)) + 9 or

*asked on December 8, 2014* -
## Math

the series a_n doesn't have a limit. prove that the series (1/n) doesnt go to 1. use the definiton of lim: for every epsilon>0......

*asked on November 12, 2014* -
## AP Calculus

Are infinite discontinuities removable? Also, please help me with this question: f(x)=x^2+4x+3 / x^2-9 has one removable discontinuity and one vertical asymptote. Find and identify the x-value for each. I found the asymptote at x=3, but please help for the

*asked on October 28, 2014* -
## us history

how does American colonization effect the society of the united states

*asked on September 18, 2014* -
## physics

Part 1/2 A cyclist maintains a constant velocity of 7 m/s headed away from point A. At the.aome.initial time, the cyclist is 240 m from the point A. What will be his displacement from starting point after 65 s ? Answer in units m Part 2/2 Qhat will be his

*asked on September 13, 2014* -
## physics

A blue ball is thrown upward with an initial speed of 22.8 m/s, from a height of 0.8 meters above the ground. 2.8 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 10.9 m/s from a height of 29.3 meters above the

*asked on September 8, 2014* -
## FINANCE

how long would it take an investment to halve in value if it depreciates at a rate of 12,5% per annum on a straight line method?

*asked on September 3, 2014* -
## Geometry

a four sided garden plot has an irregular shape. the second side is 12 feet longer than the first. the third side is 24 feet longer than the second. the fourth side is 36 feet longer than the third. if the perimeter of the plot measures 136 feet, what is

*asked on June 11, 2014* -
## Math

Assume that it costs Apple approximately C(x) = 36,100 + 100x + 0.01x^2 dollars to manufacture x 30-gigabyte video iPods in a day. How many iPods should be manufactured in order to minimize average cost? What is the resulting average cost of an iPod? (Give

*asked on June 4, 2014* -
## Math

Solve the optimization problem. Minimize F = x^2 + y^2 with x + 2y = 15. Thank You for the help!!

*asked on June 4, 2014* -
## Math - Business Calc.

Chocolate Box Company is going to make open-topped boxes out of 5 × 17-inch rectangles of cardboard by cutting squares out of the corners and folding up the sides. What is the largest volume box it can make this way? (Round your answer to the nearest

*asked on June 4, 2014* -
## math help plzzz!!!!!!!!!

-8

*asked on May 28, 2014* -
## math help plzzz

Solve the inequality then graph the solution set on real number line. (2/5x)>7 2(x+7)-4>5(x-3)

*asked on May 27, 2014* -
## 7th grade math

Solve the inequality then graph the solution set on real number line. (2/5x)>7 2(x+7)-4>5(x-3)

*asked on May 27, 2014* -
## math

Jesse collected data on the colors of the coats his classmates wore one day in February. He started a circle graph. Which equation will give the angle measure of the section for black?

*asked on May 19, 2014* -
## English

What is your opinion of the idea that the dangers we face may lie beyond our understanding? I just need some idea's, please help me out. I'm not that good at writing essays.

*asked on May 6, 2014* -
## Algebra

Please help. f(x) -6x-1 and g(x)=4x^2 Select the solution for(f+g)(x). Thank you.

*asked on April 5, 2014* -
## Please help!

Hi, I really need help with this one. Determine the equation of g(x) that results from translating the function f(x) = x^2 + 3 upward 12 units Thank you.

*asked on April 5, 2014* -
## Algebra

Hello, This one as well. Thank you! Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x^2 + 3x + 9.

*asked on March 23, 2014* -
## Algebra

Hello, I hope all is well. I am hoping you can help. Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -7x^2 + 6x + 3.

*asked on March 23, 2014* -
## math

Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they will need to borrow money in order to buy a new one. Sears offers them an installment loan at 13% (add-on rate). If the

*asked on February 22, 2014* -
## chemistry

was the formation of reactants or products favored by the addition of heat?

*asked on February 18, 2014* -
## math

how do I multiply 53.33 100

*asked on January 28, 2014* -
## stat

couple plans to have four children what is the probability that three are girls and one is a boy

*asked on January 26, 2014* -
## math

elizabert has a box of shirts.1/2 of the shirts are small,2/5of the shirts are medium, and 5 shirts are large. how many shirts are in box?

*asked on January 23, 2014* -
## Math

a man has a roll of 200m copper wire, he wires on room using 17m, and the next room using 83m of copper wire. How many meters is left on the roll after he does the two rooms?

*asked on January 10, 2014* -
## math

is any multiple of 8 an even number or not

*asked on January 9, 2014* -
## Computer Science

Given an undirected graph G = (V,E), does there exist a set D ⊆ V of size k such that every v ∈ V is either in D or adjacent to at least one member of D. Show that DS∈NPC. You may only assume that VC is known to be NP-Complete.

*asked on December 4, 2013* -
## Physics

Tom the cat is chasing Jerry the mouse across a table surface 2.4 m oﬀ the ﬂoor. Jerry steps out of the way at the last second, and Tom slides oﬀ the edge of the table at a speed of 4.8 m/s. Where will Tom strike the ﬂoor? The acceleration of

*asked on November 10, 2013* -
## Computer Science

Suppose X is a random variable and Y = aX + b is a linear function of X. Show that the correlation of X and Y is -1 if a < 0. cor(X,Y) = cov(X,V)/ sqrt(var(X)*var(Y))

*asked on October 28, 2013* -
## Computer Science

Suppose X is a random variable and Y = aX + b is a linear function of X. Show that the correlation of X and Y is 1 if a < 0.

*asked on October 25, 2013* -
## Math

Fred decides that 12+40=62 is NOT a true equation.Is Fred correct?Explain.

*asked on October 2, 2013* -
## 5th grade math

if kelly gave 1/3 of a pizza to holly and 1/5 to diane how much did she have left?

*asked on September 30, 2013* -
## Math

How would you use a number line to round 148 to the nearest ten.Explain.

*asked on September 29, 2013* -
## Trigonometry

Solve the equation cos^2A = sin^2A + sinA when 0¨¬¡A¡360¨¬. Select all the solutions from the list below. A. 330 degrees B. 270 degrees C. 150 degrees D. 30 degrees

*asked on September 12, 2013* -
## math

The perimeter of a fence is 84 meters. If the width is 2 meters less than the length, find the width

*asked on July 19, 2013* -
## math stats

Calculate p ̅. x1 20 n1 50 x2 55 n2 100

*asked on June 22, 2013* -
## math stats

Set up the null and alternative hypothesis for the following problem. A survey reported the planning habits of men and women. The question asked, "how do you primarily keep track of meetings, appointments and deadlines?" 56% of men and 46% of women

*asked on June 22, 2013* -
## statistics

What is your conclusion based on the following data? A survey was conducted to study the effects of weight loss from a low fat diet. Two random samples of 100 people each were selected. One group was put on the low fat diet and the other group on the

*asked on June 22, 2013* -
## statistics

Set up the null and alternative hypothesis for the following problem. A survey reported the planning habits of men and women. The question asked, "how do you primarily keep track of meetings, appointments and deadlines?" 56% of men and 46% of women

*asked on June 22, 2013* -
## statistics

Calculate p ̅. x1 20 n1 50 x2 55 n2 100

*asked on June 22, 2013* -
## statistics

A store manager claims that the average age of his customers is less than 40 years old, while the industry average is 40 years old. He asks you to test his thinking. You collect a sample of 50 customers and found that the average age is 38.7. Assuming that

*asked on June 22, 2013* -
## statistics

How is the P-value used to determine whether or not to reject the null hypothesis?

*asked on June 22, 2013* -
## computer

how to download C language? give any website for downloading C language.

*asked on June 11, 2013* -
## math

how to find 2 fracture each third

*asked on May 16, 2013* -
## math

A conical funnel has a base diameter of 4 cm and a height of 5 cm

*asked on May 1, 2013*