Friday

July 29, 2016
Total # Posts: 948

**Chem**

A sealed balloon is filled with 1.00 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 299 torr and the temperature is -31°C. What is the change in the volume of the balloon as it ascends from 1.00 atm to a pressure ...
*July 18, 2016*

**Chemistry**

A student dilutes a solution so that its pH changes from 2.4 to 4.4. 10mL of the original solution was diluted by how many mL?
*July 11, 2016*

**Income tax**

Catherine purchased furniture and fixtures (7-year property) for her shop for $80,000 in May 2013. What AMT depreciation adjustment is required in 2013? A. $0 B. $2,864 C. $8,568 D. $11,432 The answer is A?
*June 30, 2016*

**i-ready mastery check**

Sally has 3 white tennis balls and 4 orange tennis balls. Drag a ratio into each box to represent the relationship between the two quantities. Answer choices may be used more than once. Not all answer choices will be used.
*May 31, 2016*

**Math**

What are the numbers to the median of 38 and mode of 40 minimum of 9 and maximum of 85?
*May 12, 2016*

**Geometry**

A hill slopes down from a building with a grade of one for to five feet measured along the horizontal (slope of 1/5). If a ladder 36 ft. long is set against the building, with its foot 12ft. down the hill. How high will it reach the building?
*April 30, 2016*

**math **

(3 + 4) + 102 × (7 − 6) = how do i do this with the ()?
*April 21, 2016*

**math**

if they have () you do those first right like this problem (3 + 4) + 102 × (7 − 6 you would do 3 + 4 and then 102 or?
*April 21, 2016*

**math**

ok thank you guys this site is good
*April 21, 2016*

**math **

3 + 4 + 102 × 7 − 6 = how would i do this?
*April 21, 2016*

**Geometry**

Please help me with this: Using the definition, describe in words the translation of a triangle y f(x,y)=x-5,y+4)
*April 15, 2016*

**4th grade math**

Ellie and Heather drew floor models of their living rooms. Ellie's model represented 20 feet by 15 feet. Heather's model represented 18 feet by 18 feet. Whose floor model represents the greater area? How much greater?
*April 11, 2016*

**Geometry**

I meant to put S instead of A and I'm trying to find the perimeter of the parallelogram
*April 10, 2016*

**Geometry **

given the parallelogram of the perimeter RATU with vertices R(1,3) S(-2,-2) T(4,0) U(7,4):round to the nearest hundredth Rec1: Rec2: triangle 1: triangle 2: triangle 3: triangle 4:
*April 10, 2016*

**4th grade math**

long jump measurements. Allison jumped 3/8 foot shorter than the farthest jump. How far, in feet, did Allison jump? how to calculate long jump measurements
*March 28, 2016*

**Chemistry **

How many ions does 3 moles of zinc hydroxide have? I believe 1 mole of zinc hydroxide contains 3 ions so do I just multiply it by 3?
*March 17, 2016*

**4th grade math**

The school carnival is divided into sections. The dunk tanks are in 1/10 of the carnival. Games are in 4/10 of the carnival. Student exhibits are in 5/10 of the carnival. what fraction is dunk tanks and games
*March 4, 2016*

**4th grade math**

A shirt costs $15. A pair of sneakers costs four times as much. How much does the pair of sneakers cost? A hat is as much as the sneakers, so how much does the hat cost? If Ken buys one hat, one pair of sneakers, and two shirts, how much has he spent?
*March 3, 2016*

**microeconomics**

If a firm holds a pure monopoly in the market and is able to sell 5 units of output at $4.00 per unit and 6 units of output at $3,90 per unit, it will produce and sell the sixth unit if its marginal cost is 4.00 or less 3.40 or less 3.90 or less
*February 27, 2016*

**Physics**

I am asking and I know I can't but I don't no the answer to the question. So please answer.
*February 9, 2016*

**Physics**

A uniformed lath AB of length 80 cm and mass of 50g is pivoted at a point p,25 cm from one end it is kept horizontal by support at the other end by a vertical string. Calculate the tension in the string.
*February 9, 2016*

**Math**

A flower is 9 3/4 inches tall. In one week, it grew 1 1/8 inches. How tall its the flower at the end of the week? Write in simplest form.
*February 8, 2016*

**US History**

What role did the media play in the development of popular thinking related to the Spanish-American War? What is the correct role of news media in war time?
*February 5, 2016*

**math**

You and your sister work on the weekends at your parents’ store. You receive $4 per hour and your sister gets $5 per hour. On Saturday both of you worked a total of 7 h and together made $32. How much money did each of you earn on Saturday?
*January 27, 2016*

**Grde 12 math**

Angle D is 110 degree.Angle A and B has (5y+10).What is the value for y and the measures of angle C and angle A?
*January 24, 2016*

**chemistry**

If I wanted to make two solutions. In one I will mix Chemical A into 1 Liter of water. In the second I will mix Chemical B into 1 Liter of water. If I want my two solutions to be the same concentration they should contain the same number of PARTICLES. How can I make sure both ...
*January 11, 2016*

**messa secondary school**

If the last term of A.P is 40, what is the number of term.
*December 22, 2015*

**Algebra**

What are integer values for c in the following: 2 x^2 + 5 x + c = 0 What's the logic/method to get c with using a calculator, Excel,... I don't see how to uss outer/inner combo or AC grouping.
*December 15, 2015*

**Geometry**

Write a two-column proof. If point g is the centriod of triangle ABC and BG = 18. Find GE and BE. My work: ge is half so its 9. be equals 18 + 9 = 27 i need help on two column proof part
*November 27, 2015*

**chem**

i have several problems i am caught on for my homework. I appreciate any help 1. As milk spoils, rancid components begin to coagulate. This could be interpreted as a: a.a colloid forming a suspension. b.solution forming a colloid. c.solution forming a suspension. d.suspension ...
*November 17, 2015*

**Math**

I don't get it!?
*November 12, 2015*

**Victoria Park**

Algebra: Measurement One of the equal sides of an isosceles triangle is 3 m less than twice its base. The perimeter is 44 m. Find the lengths of the sides.
*November 4, 2015*

**TAX**

Patty and Rich, married filing jointly, have $385,000 in MAGI and $90,000 of net investment income(NII). they will pay a sutax of: A. $0 B. $1,710 C. $3,420 D. $5,130
*October 23, 2015*

**math**

A home owner goes to the hardware store to purchase the letters that make up a number for a sign he is making, (e.g., F-O-U-R, N-I-N-E, etc.). When he arrives, other customers are doing the same thing. The first customer buys the letters to display ONE, and pays $40. The next ...
*October 6, 2015*

**Math**

One table at a bake sale has 75 cookies. Another table has 60 cupcakes. Which table allows for more rectangular arrangements when all the cookies and cupcakes are displayed? Explain
*September 29, 2015*

**fluid mechanics**

a block has a mass of 400kg in air when submerged in seawater it weighs 2943N. what is the specific gravity of the block?
*September 29, 2015*

**English**

Which value is reflected in Heracles ? .
*August 28, 2015*

**algebra**

wright the slope-intercept form of the equation of the line though the given points through:(4,4)and (3,5)
*August 19, 2015*

**math**

what is the word form for34,235,345
*August 14, 2015*

**Accounting **

In the context of determining fair value, the exit price refers to: A. The amount the firm would receive if it sold a given asset. B. Amount the firm would pay if it bought an asset of the same type and condition as the one being valued. C. Sum of the future cash flows ...
*August 12, 2015*

**algebra 1**

someone please help me. The function f(x) is shown below: f(x) = (5)x - 1 The function f(x) is shifted to the right by 13 units. Which of the following best represents the new function? f(x) = (5)x + 13 f(x) = (5)x + 12 f(x) = (5)x - 14 f(x) = (5)x - 13
*August 12, 2015*

**Accounting**

Thanks
*August 11, 2015*

**Accounting **

Revenue is earned when: A. Contract is signed by both parties B. The seller substantially completes performance required by an agreement C. Buyer completes payment required under an agreement D. The buyer accepts delivery and completes required payments. Answer: D
*August 11, 2015*

**MATHS**

the following is an AP 9,X,Y,Z,25 1.find the values of x,y,z.
*August 5, 2015*

**algebra 1**

Gordon is evaluating some stocks he wants to purchase. You can see the function of the stock price below. The variable x represents days. Stock A B C Price f(x) = 25(1.08)x x f(x) 0 22.00 1 21.56 2 21.13 The initial price of this stock is $30, but it has been increasing 4% ...
*August 4, 2015*

**Probability**

wow.wel cases like these we are going to use a permutation formula which is:nPr=n!/(n-r)! nw 26P5=26/(26-5)! were n=26 and r=5 xo nw we ave 26P5=26!/21! 26*25*24*23*22*21*20*19*18*17*16*15*14*13*12*11*10*9*8*7*6*5*4*3*2*1/21*20*19*18*17*16*15*14*13*12*11*10*9*8*7*6*5*4*3*2*1=...
*July 30, 2015*

**maths**

A hallow sphere has a volume of xcm^3 and a surface area of ycm^2 if the value of the diameter of the sphere is the radius of the area of a semicircle.what is the radius of a cylinder(P) if the area of the circle is equal to the area of the cylinder when the hight of the ...
*July 30, 2015*

**maths**

A hallow sphere has a volume of kcm^3 and a surface area of kcm^2.what is the value of the diameter of the sphere if it is tripled
*July 30, 2015*

**maths**

(1)differentiates,x^x^10 Question(2),compute each of the following double integral over the rectangles where R=(-2,-1)*(0,1),§x^2y^2+cos(paix)+sin(paiy)dA qustion3:investigate the stationary point of f(x) if y=3x^2+y^3-3x^2-3y^2-2
*July 30, 2015*

**maths**

plz i cerious need help i posted dis qustion bt due 2 my wrong typing it was nt anser plz here it is:x^4+3x-2/(x^2+1)=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+(Hx+1)/(x-4)^2.find ABCDEFGH? plz it a partial fraction thank yo u and Godbless u
*July 29, 2015*

**maths**

npr=3024 find r (2)dy/dx=secx-tanx/secx+tanx. plz help
*July 28, 2015*

**physics**

A particles of mass 10-2kg is fixed at the tip of a fan blade which rotates at an angular velocity of 100rad-1.if the radius of the blade is 0.2m,then what is the centripetal force?
*July 28, 2015*

**physics**

A stone is thrown horizontally outward from the top of a bridge, the stone is released 19.6meter above the street below.the initial velocity of the stone is 5.0m/s.determine the (a)total time that the stone is in the air (b)magnitude and direction of the velocity"...
*July 28, 2015*

**Maths**

x^4+3x-2/(x^2+1)^3(x-4)=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+(Hx+1)/(x-4)^2.find ABCDEFGH?xo sori 4 al my numerous erros am jus despirate thankyou Godbless you
*July 28, 2015*

**maths**

A spherical tank of diameter 3m is filled with water from a pipe of radius 30cm at 0.2m/s.calculate an corect to 3s.f the time in minute it take to fill the tank.thankyou godbless
*July 28, 2015*

**maths**

here is another.A spherical tank of diameter 3m is filled wit water from a pipe of radius 30cm to 0.2m/s.calculate an corcet to 3s.f the time in minute it wil take to feel the tank take to be TT=22/7 thankyou
*July 28, 2015*

**maths**

x^4+3x-2/(x^2+1)^3(x-4)=(Ax+B)/(x^2+1)+(Cx+D)/(x^2+1)^2+(Ex+F)/(x^2+1)^3+H/(x-4)+G/(x-4)^2.find ABCDEFGH?plz solve it a partial fraction i serious need the solution urgently
*July 28, 2015*

**mathematics**

x^4+3x-4/(x^2+1)^3(x-4)=Ax+B/(x^2+1)+(Cx+D)/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+H/(x-4)^2.? find ABCDEFGH plz it a partial fraction i need the solution urgently
*July 28, 2015*

**government secondary school abuja**

solve the partial fraction.x^4+3x-2/(x^2+1)^3(x-4)=(Ax+B)/(x^2+1)+(Cx+D)/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+H/(x-4)^2.Find the value of ABCDEFGH, plz help
*July 28, 2015*

**Math (PLEASE HELP!)**

1. The sum of the squares of two numbers is 74 and the difference of their squares is 24. a) What system of equations models this situation? b) What are the two numbers? 2. For what value of b will the line y= -2x+b be tangent to the parabola y=3x^2+4x-1?
*June 18, 2015*

**Microeconomics**

Thanks
*May 27, 2015*

**Microeconomics **

Medical doctors earn higher incomes than people who have a Ph.D. in economics. This is partly because A. Medical doctors are more likely to face malpractice lawsuits. B. The costs of receiving necessary medical education are higher. C. A relatively small number of students are...
*May 27, 2015*

**Management**

just check for accuracy please? 3. Which one of the following situations is an example of overall cost leadership? A. A dress manufacturer wants to make its product unique in its category. B. A company that manufactures school desks is looking for ways to make its desks less ...
*May 23, 2015*

**Economics**

Suppose that Erin spends all of her income on two goods: pizza and fiction novels. If the price of pizza rises, then A. The current marginal utility per dollar spent on pizza will rise B. The current marginal utility per dollar spent on pizza will fall C. The current marginal ...
*May 16, 2015*

**Microeconomics**

If a competitive market operates perfectly, it relies on A. The number of people buying goods B. The laws of supply and demand C. How many products can be produced for sale d. how much people are willing to pay for the products. The answer is B?
*May 13, 2015*

**history **

Which of the following was the primary cause of the Balkans wars conducted during the Clinton administration I picked the break up of the former state of Yugoslavia
*May 13, 2015*

**Microeconomics **

If the price elasticity of demand is 2, this means that a _____________ increase in price causes a ____________ decrease in quantity demanded. A. 15%; 100% B. 15%; 10% C. 20%; 40% D. 30%; 20%
*May 8, 2015*

**LANUGAGE ARTS**

Yes Ms.Sue the poen is "President Lincolns Declaration of Emancipation, January 1, 1863
*March 6, 2015*

**Language arts**

Callie im sorry but that is wrong it is really B
*February 27, 2015*

**Math**

Ms.Li spent $840 on a vacation. She spent 2/3 of the amount on a train ticket and 1/2 of the remaining amount on food. how much did she spend on the ticket and food together?
*February 25, 2015*

**physics**

Shawn and his bike have a total mass of 57.1 kg. Shawn rides his bike 1.3 km in 14 min at a constant velocity. The acceleration of gravity is 9.8 m/s 2 . What is Shawn’s kinetic energy?
*January 19, 2015*

**algebra**

Carla and robena sell game tickets. they have already sold 95 student tickets. Carla says that they need to sell 252 adult tickets to reach the goal of $3000. robena says that they need to sell 253 adult tickets to reach the goal. who is correct? explain your reasoning
*December 24, 2014*

**math**

How does the fact 36÷6=6 help you estimate the quotient of 364,573÷64?
*December 17, 2014*

**Chemistry**

25.0 ml of 0.235 M NiCl2 are combined with 30.0 ml of 2.260 M KOH. How many grams of nickel hydroxide will precipitate?
*December 14, 2014*

**Introductory to Physical Science**

A student drops a stopper into 50.0mL of water and the level rises to to 56.1mL. If she submerges the same stopper into a cylinder of thick syrup, what will happen to the syrup? a.) it will rise 6.1mL b.) it will rise less than 6.1mL c.) it will rise greater than 6.1mL d.) it...
*December 9, 2014*

**Chemistry**

A reaction requires 0.5 g of pure methyl oleate (density = 0.87g/mL) (MW = 310g/mol). How many mL of 70% pure methyl oleate are needed for the reaction. I don't exactly know how to start this off. I think what I'm supposed to do is multiply the 70% by the molecular ...
*December 2, 2014*

**chemistry**

Calculate the pressure exerted by 1.2 mol\rm mol of gas in a volume of 28.2 L\rm L and at a temperature of 334 K\rm K.
*November 25, 2014*

**Algebra**

If $31,500 is invested at 6.8% for 30 years, find the future value if the interest is compounded daily
*November 20, 2014*

**Art History**

Yay, thanks!
*November 15, 2014*

**Art History**

So its D?
*November 15, 2014*

**Art History **

Islamic architects commonly use which of the following elements in mosques? frescoes that depict humankind's relationship to Allah pyramidal bases that raise the mosque above other buildings crenellated towers that protect the mosque against attack minarets where criers ...
*November 15, 2014*

**History**

This amendment protects you from being over harged/prevents an unreasonably amount of money charged to bail. And for the cruel and unusual punishment protect you from unreasonable punishments like
*November 13, 2014*

**geography**

what are 3 examples that make scientists believe that the continents once fit together?
*November 12, 2014*

**Math**

I think the question was misprinted. I just can't figure out how to write an equation for it. Thanks
*October 27, 2014*

**Math**

There are 18 fewer bus riders than walkers. There are 6 walkers. How many students ride the bus?
*October 27, 2014*

**physics**

Let's say you measure an average acceleration to be 0.44 ms-2. What is the height (in centimeters) of the riser block? Assume the legs of the track span 1.0000 m and that there is neither friction nor drag. Also assume the block is under one of the legs.
*October 27, 2014*

**physics**

A ball is projected upward at time t = 0.0 s, from a point on a roof 10 m above the ground. The ball rises, then falls and strikes the ground. The initial velocity of the ball is Consider all quantities as positive in the upward direction. At time the velocity of the ball is ...
*October 23, 2014*

**physics please help**

A marathon is and long. Estimate how many strides would be required to run a marathon. Assume a reasonable value for the average number of 3.1 ft/stride.
*October 23, 2014*

**Accounting**

Journal Entries Under the Perpetual Inventory System Bhushan Building Supplies entered into the following transactions.
*October 21, 2014*

**chemistry**

How many aluminum atoms are in 3.78 g\rm g of aluminum?
*October 20, 2014*

**physics**

A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is above the ground. What is the mass of the box?
*October 18, 2014*

**physics please help**

A drum (see Figure 10.2) has a radius of 0.40 m and a moment of inertia of 2.3 kg ∙ m2. The frictional torque of the drum axle is A 14 m length of rope is wound around the rim. The drum is initially at rest. A constant force is applied to the free end of the rope until ...
*October 18, 2014*

**physics please help**

Forces of 4.57 N and 4.74 N act at right angles on a reddish-green block of mass 5.76 kg. How much acceleration occurs?
*October 13, 2014*

**physics**

Forces of 4.57 N and 4.74 N act at right angles on a reddish-green block of mass 5.76 kg. How much acceleration occurs?
*October 9, 2014*

**physics**

Calculate the distance Michael will travel if he maintain an average speed of 9.4 m/s for 2.2 seconds
*October 9, 2014*

**physics**

Calculate the distance Michael will travel if he maintain an average speed of 9.4 m/s for 2.2 seconds.
*October 8, 2014*

**physics**

Forces of 4.57 N and 4.74 N act at right angles on a reddish-green block of mass 5.76 kg. How much acceleration occurs?
*October 8, 2014*

**social studies**

one reason why nigerians remain poor,despite their countrys large oil deposits
*September 29, 2014*

**Physics**

A proton with a kinetic energy of 4.7×10−16J moves perpendicular to a magnetic field of 0.25T .
*September 24, 2014*