Tuesday
December 6, 2016

# Posts by Jonathan

Total # Posts: 376

value
A Biased Coin Is Such That The Head Is 4 Times More Likely To Show Up Than The Tail.What Is The Probability Of Obtaining A Head?
November 30, 2016

Calculus
A particle moves along the x-axis so that at any time t, measured in seconds, its position is given by s(t) = 5cos(t) ? sin(3t), measured in feet. What is the acceleration of the particle at time t = ? seconds?
November 29, 2016

Calculus
The position of a particle on the x-axis at time t, t > 0, is s(t) = ln(t) with t measured in seconds and s(t) measured in feet. What is the average velocity of the particle for 1 ? t ? e? a)1 b)e c)e-1 d)1/(e-1)
November 29, 2016

Calculus
The driver of a car traveling at 60 ft/sec suddenly applies the brakes. The position of the car is s(t) = 60t ? 1.5t^2, t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop? a)60 sec b)40 sec c)20 sec d...
November 29, 2016

Calculus
A particle moves with velocity function v(t) = 2t^2 ? 3t ? 3, with v measured in feet per second and t measured in seconds. Find the acceleration of the particle at time t = 2 seconds. a)3/4 feet per second^2 b)-1 feet per second^2 c)32 feet per second^2 d)5 feet per second^2
November 29, 2016

Calculus
A particle is moving along the x-axis so that its position at t ? 0 is given by s(t)=(t)In(2t). Find the acceleration of the particle when the velocity is first zero. a)2e^2 b)2e c)e d)None of these Any help is greatly appreciated
November 29, 2016

Math
Jean has $280 in her savings account starting next week she will deposit$30 in her account every week is the amount of money in her account proportional to the number of weeks. Thank you for helping
October 16, 2016

English Check
You would say for me. So it should be you and me since its in the objective form!
September 1, 2016

English Check
So my original answer is correct You and I
September 1, 2016

English Check
But "I" is the subject and you is the object.
September 1, 2016

English Check
The advice was meant for ____ A)you and i B)she and i C) you and me Hello i need help. My original answer was A)you and I. But then I started reading a book on English grammar and it says it should be C)she and I since they are subject pronouns.
September 1, 2016

A history class is comprised of 6 female and 9 male students. If the instructor of the class randomly chooses 5 students from the class for an oral exam, what is the probability that 2 female students and 3 male students will be selected? Round your answer to 3 decimal places...
August 30, 2016

pre calc
5x+3yi=5-6i?
July 31, 2016

Math
Thanks you! I got the answer!
June 29, 2016

Math
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 12 miles per hour slower than the westbound train. If the two trains are 400 miles apart after 2 hours, what is the rate of the eastbound train? No Rounding.
June 29, 2016

math
If 35% of people surveyed prefer orange to apples.Out of 475 people surveyed how many can be predicted to prefer orange
May 24, 2016

World History
It is ture
May 24, 2016

Geometry
Point $G$ is the midpoint of median $\overline{XM}$ of $\triangle XYZ$. Point $H$ is the midpoint of $\overline{XY}$, and point $T$ is the intersection of $\overline{HM}$ and $\overline{YG}$. Find the area of $\triangle MTG$ if $[XYZ] =150$.
April 21, 2016

chemistry
what volume of glycerine C3H8O3, with a density of 1.26 g/mL should be taken to obtain 2.50 ml of glycerine?
April 17, 2016

Math
Larry hit 24 home runs last season and 50 this season. What is the percent of increase in the number of home runs Larry hit from last season to this season?
April 4, 2016

U.S History
Don't You Push Me Down Words and Music by Woody Guthrie Well you can play with me And you can hold my hand. We can skip together Down to the Pretzel man You can wear my mommy's shoes Put on my daddy's hat You can even laugh at me But don't you push me down. ...
March 2, 2016

physics
calculate the electrostatic force between charges of -2.4 µC and +5.3 µC, placed 58cm apart in a vaccum.
February 29, 2016

physics
An artificial Earth satellite, of mass 3.00 × 10^3 kg, has an elliptical orbit, with a mean altitude of 500 km. (a) What is its mean value of gravitational potential energy while in orbit? (b) What is its mean value of orbital kinetic energy? (c) What is its total energy...
February 29, 2016

maths
determine the thrust produced if 1.5 x 10^3 kg of gas exits the combustion chamber each second, with a speed of 4.00 x 10^3 m/s
February 29, 2016

maths
4x+16y:32 and 4x+y:17
February 13, 2016

physics
A capacitor,consisting of two metal plates each of area 50cm2 and space 0.2mm apart in air ,is connected across a 120V supply.Calculate (1)the energy stored..(2)the electric flux density and the potential gradient..
February 13, 2016

Geometry
A photographer enlarged a picture. If the width of the image is 5 inches and the width of the pre-image was x, what is the scale factor for the dilation in terms of x?
January 5, 2016

gale math
How to write 233.75 and 85.50 as a decimal number
December 27, 2015

math
a)without using a spreadsheet, construct an amortization table for the loan repayment b)what is the final payment if she takes all of the four years to repay the loan c)what is the last payment if she chooses to repay the loan in seven payments
December 14, 2015

math
meredith borrows $3600 to help pay for nurse's college. she will repay the loan by making equal blended payment of$625 each at the end of every six months. The interest rate is 11%/a, compounded semi annually.
December 14, 2015

Math
If 500 feet of fencing is used to enclose a rectangular plot of land that borders a river, what is the maximum area that can be enclosed? Answer to two decimal places.
December 12, 2015

Ap physics 1
The mass of a star in a galaxy far, far away, is 3.12 × 105 Earth masses, and the mean distance from the center of this star to the center of a planet with the same mass as our Earth is 2.46 × 108 km. Treating this planet and star as particles,with each mass ...
December 11, 2015

Chemistry
what is the wave length and type of light released when an electron absorbs 3.03 x10 -19 j of energy
November 4, 2015

vocab (english)
I have improving Vocabulary skills 4th edition and I need chapter 1 sentence check 2 answers
October 19, 2015

Science
The spin of an object on its own axis is called
September 29, 2015

physical science(elecrostatics)
A(-9x10^-9 C) 20mm B(5x10^-9 C) (a)calculate the force between the charges (b)if A comes in contact with B Calculate the new charge on A and B
September 16, 2015

English
bravery
August 28, 2015

algebra 1
One staple is probably to light to pick up on the balance. Let m = mass of one staple. 210*m = 6.8 m = 6.8/210 m = 0.032g
August 22, 2015

Physics
At an instant the block(M = 33kg) is moving down the slope. Angle between slope and floor = 33deg Force Pulling up the slope 49N at 38deg to the slope What is the acceleration of the block up the slope if the kinetic coefficient of friction is 0.5? My first thought was that ...
August 22, 2015

life orientation
Define risk behavior and explain why it is important for teenagers to investigate and be knowledgeable about it.
August 21, 2015

Math
Show that the limit as h approaches 0 of (e^h-1 ) all over h = ln e = 1 using at least two numerical examples.
July 26, 2015

Calculus
Show that the limit as h approaches 0 of (e^h-1 ) all over h = ln e = 1 using at least two numerical examples.
July 26, 2015

cal
Show that the limit as h approaches 0 of (e^h-1 ) all over h = ln e = 1 using at least two numerical examples.
July 26, 2015

Calculus
Find the derivative of the following functions using the f prime of x = the limit as h approaches 0 of f(x+h) – f(x) all over h a)ƒ(x) = x2 + 5^x b)ƒ(x)= 1/2^x
July 26, 2015

Calculus
Givenƒ(x) = ex, verify that lim h->0 (e^x+h - e^h)/h + e^x and explain how this illustrates that ƒ′(x) = ln e • ƒ(x) = ƒ(x)
July 22, 2015

biology help
What are the biological terms of the following 1.A diagram that show the evolutionary history of plant groups 2.hoploid cell which grows into a plant
June 17, 2015

physical science chemistry
If 25 cm^3 of the potassium hydroxide (KOH) solution was used to neutralise 35cm^3 hydrochloric (HCl)solution, determine the concentration of the hydrochloric acid solution. Thanks
June 17, 2015

science
1. Descriptive statistics are widely used in qualitative research. When establishing if a population is normally distributed explain when the statistics of sample size, mean, mode, median, skewness and kurtosis will guide the researcher to make conclusions of a normal ...
May 30, 2015

Life orietation.
The powers of the police during a protest.
May 21, 2015

English
english is the language of opportunity
May 5, 2015

maths
PLEASE DO NOT POST PROBLEMS FROM THE PROMYS APPLICATION SET. YOU HAVE BEEN REPORTED.
April 15, 2015

Chemistry
What is the change in entropy when 9.30 mL of liquid benzene (C6H6, d = 0.879 g/mL) is burned in the presence of 37.2 L of oxygen gas, measured at 298 K and 1 atm pressure? 2C6H6(l) + 15O2(g) → 12CO2(g) + 6H2O(l); ∆S° = –437.7 J/K at 298 K
April 11, 2015

WTF is with all these haters ? Like you enjoy doing your fckn schoolwork, I know how to do them, I'm just lazy . gtfoh john & writeacher
April 6, 2015

chemistry
Determine the limiting reactant for this reaction if 3.027 grams of Aluminum are reacted with 60.00 mL of a solution that is 6 M KOH. Determine the amount of KAl(SO4)2•12 H2O that can be produced from this reaction. Molar mass Alum = 474 g/mol 2 Al (s) + 2 KOH (aq) + 22 ...
March 29, 2015

Probability
Consider 10 independent tosses of a biased coin with the probability of Heads at each toss equal to p, where 0<p<1. Given that there were 4 Heads in the first 7 tosses, find the probability that the 2nd Heads occurred at the 4th toss. Give a numerical answer.
March 3, 2015

math
Michaela makes original stationary to give away as gifts. She likes to put a small bow in the corner of each card. She purchased a piece of ribbon that was 3 1/4 ft long. She can make each bow out of 1/3 ft of ribbon. Which equation would be used to show how many bows she can ...
January 16, 2015

Math
a pool 5 feet deep with a diameter of 40 feet is filled with water in 50 minutes. how long will it take to fill a pool that is 6 feet deep with a diameter of 36 feet?
January 8, 2015

physics
0.160kg
November 5, 2014

Calculus
A 13 foot ladder is leaning against the house when it's base starts to slide away. By the time is 12 feet from the house the base is moving at the rate of 5 ft/sec. 1.How fast is the top of the ladder sliding down the wall at that moment? 2. At what rate is the angle theta...
October 16, 2014

algebra 2
This is a repost from earlier. I thought it didn't go through so I typed it again.
August 24, 2014

algebra 2
You have $25 to park your car in a garage in the city. The garage charges$4 for the first hour and $3 for each additional hour. Write an equation & determine the possible number of hours you can park. Help Again! August 24, 2014 Algebra Express as a single logarithm and, if possible, simplify: In x^2 + 3In x-In x^8 Thanks so much August 2, 2014 calcus A car travels 6 miles north and then turns right and travels 8 miles east to reach the garage. What is the straight line distance between the starting point and the garage? June 26, 2014 Chemistry When 100 mL of 0.60 M Na2CO3 (aq) is combined with 500 mL of 0.060 M Ba(NO3)2(aq), a precipitate is observed. What is the equilibrium concentration of Ba2+(aq) at 25°C?Ksp(BaCO3) = 8.1 x 10-9 April 24, 2014 Physics A 2050 kg truck is traveling east through an intersection at 2.3 m/s when it is hit simultaneously from the side and the rear. (Some people have all the luck!) One car is a 1200 kg compact traveling north at 4.5 m/s. The other is a 1600 kg midsize traveling east at 10 m/s. The... March 8, 2014 Social studies the 18 amendment, when did it happen February 25, 2014 Science Help! 3. Using coal for fuel releases pollution into the atmosphere. Why do people continue to use coal if it causes pollution? A. Using more coal reduces the amount of pollution from using oil B. Using coal is relatively inexpensive. C. Mining coal helps scientist uncover fossils D... February 3, 2014 Help!!! 1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting down all of the trees... February 3, 2014 Help with science 1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting down all of the trees... February 3, 2014 Science Check my answers please!!! February 3, 2014 Science 1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting down all of the trees... February 3, 2014 Language arts help!! more help cantact me at (theminecrafter46931@gmail)saying "conections academy buddy" ok November 12, 2013 Language arts help!! 1.c 2.a 3.b 4.c 5.b 6.c 7.b November 12, 2013 Physics A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 9.5 g, the mass of the block is 10.5 kg, the bullet's impact ... November 6, 2013 physics HOW DO I DO THIS PLZ HELP I DON'T NEED U TO SOLVE I JUST NEED TO KNOW HOW Salmon often jump waterfalls to reach their breeding grounds. Starting 2.65 m from a waterfall 0.584 m in height, at what minimum speed must a salmon jumping at an angle of 25.2 ◦ leave the ... October 28, 2013 Physics The position of a toy locomotive moving on a straight track along the x-axis is given by the equation: x=t^4-6t^2+9t where x is in meters and t is in seconds. The net force on the locomotive is equal to zero when t is equal to Answer in units of s. September 27, 2013 Chemistry should be 3 right? September 26, 2013 Economics/Business Our large companies seem to be largely run by hired managers who work for salaries and who are not owner-entrepreneurs. How then do we get the profit motive into large companies? September 15, 2013 Capitalism In a capitalist economy, how can we cure poverty? September 14, 2013 Economics Who has an unlimited checking account with the US Treasurer that enables them to write all the checks they want without regard to having funds in the bank? September 14, 2013 Acc Algebra 2 x-6/x = 3/5 September 2, 2013 Acc Algebra 2 consecutive integers are integers like 1,2,3 or 3,4,5 or 101,102,103. So since the largest of the integers is k, to get the consecutive integers lower than k, you have to find the second integer which would be k-1, then the third which would be k-2. September 2, 2013 Acc Algebra 2 or if your teacher wants it in this format V=k(k^2-3k-2) September 2, 2013 Acc Algebra 2 V=lwh V=k*k-1*k-2 V=k^3-3k^2-2k September 2, 2013 Bio c, more solids(glucose) outside cells in the blood plasma means the water in the cells will move out into the plasma through osmosis. August 29, 2013 chem determine the mass (g) of SO2 that is produced byt the reaction of 15g of CS2 according to the following equation: CS2 + 3O2 = CO2 + 2SO2 May 20, 2013 math 1) An antique dresser was purchased for$7500 in 2005. The dresser increases in value by 9% per year. Find the value of the dresser in 2025. 2) a) Find the slope of the secant to the curve f(x) = 0.25(4)^(x) - 2 between: p1) x=0 and x = 1 p2) x=0 and x=0.5 p3) x=0 and x=0.1 p4...
April 2, 2013

math
Give an example of a logarithmic equation that cannot be solved and explain why it cannot be solved. (3 marks)
March 17, 2013

math
The length of time that it takes for a pendulum to make one complete swing depends on the length of the pendulum. The time in seconds, T, is related to the length in meters, L, through the equation: T=2π√((L)/(9.8)) [it is all under square root] Q1: write in ...
March 13, 2013

science
never mind i know now thankyou
January 31, 2013

science
thankyou i appreciate it could u however plz explain how u knew 1 mol of ag =108g
January 31, 2013

science
thankyou i appreciate it
January 31, 2013

science
still confused
January 31, 2013

science
CH3CH2CHO + 2Ag(NH3)2OH = CH3CH2COONH4+2Ag+H20+3NH3 yield of Ag obtained = 75% calculate minimum mass of propanal that must have been used to form 5g of silver
January 31, 2013

gpa
I'm a sophmore my current gpa from my freshman year came up to be a 1.2, we just finished our first semester my gpa from from first nine weeks and second nine weeks both were a 2.4, was wondering if i stay on track like this will I be able to pull my gpa up to a 2.0 ? and ...
December 22, 2012

1. Pages:
2. 1
3. 2
4. 3
5. 4
6. Next>>