Friday

October 21, 2016
Total # Posts: 1,135

**Math**

Two 2 1/2 inch plastic strips and two 5 1/3 inch plastic strips are used to form a rectangle. What is the Perimeter of the rectangle?

*October 18, 2016*

**Physics**

A 1.55 m tall person lifts a 1.80 kg book off the ground so it is 1.95 m above the ground. A.) What is the potential energy of the book relative to the ground? B.) What is the potential energy of the book relative to the top of the person's head?

*October 16, 2016*

**Chemistry **

In order to determine the concentration of a solution of Carbonic Acid (H2CO3), a sample was placed in a buret and titrated with 0.1132 M Sodium hydroxide. For the carbonic acid, the initial reading was 11.0ml and final reading was 31.0 ml. For sodium Hydroxide, the initial ...

*October 14, 2016*

**Maths**

The sum of 26 and a number equals 3 times the number Have to define a variable ,then write equation

*October 4, 2016*

**Math**

70*20*20

*October 1, 2016*

**math**

Kyle and Andrew decide to make some money by raking leaves in their neighborhood. The houses in their neighborhood each have half acre lawns. Kyle and Andrew each start by raking the leaves from their own yards. Kyle realizes it takes him 3 hours to rake one yard and Andrew ...

*September 30, 2016*

**Physics (Mechanics)**

A bat makes contact with a ball 0.8 meters above the ground. The ball then travels with a speed of 22 m/s, moving up. How high does it go?

*September 17, 2016*

**Psychology **

China and Singapore are examples of what type of economies?

*September 12, 2016*

**Math**

Given 800 matches, what is the largest figure in the series(ie what value of n) that you could construct and how many matches would you have left over at the end?

*September 12, 2016*

**Algebra**

Hey! I need some help with this question! I totally forget how to do these types of problems! 1 over 2.75 = 1 over 3.2 - 1 over x ( 1/2.75 = 1/3.2 - 1/x) / = fraction bar

*August 22, 2016*

**control structures**

A store uses the following policy to award discount. If the customer purchases products costing more than ksh 30,000 she is given a discount of 10%, otherwise she is given a discount of 2%. Write a complete C++ program that allows a user to input the total value of purchases ...

*August 21, 2016*

**COM 425**

Organizational innovation is a planned and direction change intended to 1) get an advantage over the organization's competition 2) improve the organization's upper hierarchy 3) address problems and improve organizational performance 4) dismantle organizational rules ...

*July 29, 2016*

**Math**

Which letter on the number line above represents 6?

*July 27, 2016*

**Math**

Then there would 9 and 2/5 pieces left.

*May 12, 2016*

**Computer science **

How is creating a virtual ecosystem similar from the real world?

*May 8, 2016*

**Msth**

The first 10 miles of a taxi ride for free each additional mile cost $0.45 John takes a taxi ride across town and it's a driver $4 write an expression to represent the cost of M miles

*May 5, 2016*

**Math**

The number of blocks has nine in the ones place the numbers in the hundreds place is one more than the number in the tens place there are two numbers equal 11 how many block are there

*April 28, 2016*

**Algebra**

A farmer has 20 acres to plant in wheat and barley. He has to plant at least 15 acres. Wheat costs $200 per acre to plant and barley costs $150 per acre, and the farmer has only $2400 to spend. If the estimated profit of an acre of wheat is $450 and the estimated profit of an ...

*March 24, 2016*

**Algebra**

Bakery has bought 250 pounds of muffin dough. They want to make waffles or muffins in half-dozen packs out of it. Half a dozen of muffins requires 1 lb of dough and a pack of waffles uses 3/4 lb of dough. It take bakers 6 minutes to make a half-dozen of waffles and 3 minutes ...

*March 24, 2016*

**Algebra**

The first group was responsible for making 160 suits while the second group was responsible for making 25% fewer suits in the same amount of time. The first team made 10 more suits each day than the second team and finished its job 2 days before the deadline date. How many ...

*March 22, 2016*

**Algebra**

A tourist traveled on a motorboat against the current for 25 km. And then returned back on a raft. In the boat the tourist traveled for 10 hours less than on the raft. Find the speed of the current if the speed of the motorboat in still water is 12 km/hour.

*March 22, 2016*

**Algebra**

A ship traveled 150 km with the current, and then turned around and traveled back, spending 5h and 30 min on its trip. Find the speed of the current if the speed of the ship in still water is 55 km/hour.

*March 22, 2016*

**Algebra**

A train covered the distance of 400 km between A and B at a certain speed. On the way back it covered 2/5 of the distance at that same speed and then it decreased its speed by 20 km/hour. Find the speed of the train at the end of its journey from B back to A, if the entire ...

*March 22, 2016*

**Algebra**

An automobile covered the distance of 240 km between A and B with a certain speed. On its way back, the automobile covered half of the distance at the same speed and for the rest of the trip he increased his speed by 10 km/hour. As a result, the drive back took him 2/ 5 of an ...

*March 22, 2016*

**politcal science**

Ralph Nader

*March 20, 2016*

**Math**

The units digit of a two-digit positive integer is 4. If the tens digit and units digit of the number are switched, the new number is 45 less than the original number. What is the sum of the original and the new number?

*March 17, 2016*

**Algebra 2**

Log base 5 of 16 cubed. Times log base 11 of 6 squared. Equals logx.

*March 4, 2016*

**Algebra**

identify the initial amount a and the growth factor b in the exponential function g(x)=14*2^x a=14, b=x a=14, b=2 a=28, b=1 a=28, b=x

*February 29, 2016*

**L.O**

Nobody can answer this question but you. What do you think it is?

*February 27, 2016*

**SCIENCE**

what is the question you are asking?

*February 27, 2016*

**English**

Thanks Ms. Sue! You are a great help!

*February 27, 2016*

**English**

hi I need help with this. It is a section from the story 'The Sniper' and it is a PEE (Point, Evidence, Explanation) question... PLEASE HELP ME. Here is the question: "The writer says that the sniper's eyes had 'the cold gleam of the fanatic' what does...

*February 27, 2016*

**English**

What i do is i look for historical events for example example World War 2 and i write about that

*February 27, 2016*

**Math**

How do you find the point of intersection(s) for x = 2y2 + 3y + 1 and 2x + 3y2 = 0 A) You cannot find points of intersections for non-functions. B) Plug in 0 for x into both equations and solve for y. Then plug that answer back into the other equation to find the corresponding...

*February 12, 2016*

**Algebra**

substitute 12=-4(5)+3 -20+3 12=-17 is not true

*February 9, 2016*

**physics**

session.masteringphysics. com/problemAsset/1187768/5/P4-80.jpg

*February 9, 2016*

**physics**

A 71.0 kg patient is suspended in a raised hospital bed as shown in the figure. The wire is attached to a brace on the patient's neck and pulls parallel to the bed, and the coefficients of kinetic and static friction between the patient and the bed are 0.500 and 0.800, ...

*February 9, 2016*

**Science**

If an astronaut with a tool belt accidentally pushed off from the shuttle, how could the tools in the belt be used to return the astronaut to the shuttle?

*February 2, 2016*

**Math**

What's another way you can write 0.023 (fraction or percent) problem: write 0.023 two different ways

*January 27, 2016*

**english 1**

Which sentence from the passage best supports the conclusion that the author was influenced by Amaterasu?

*January 21, 2016*

**Math**

Find two consecutive odd integers such that the square of the larger is one less than twice the square of the smaller.

*January 12, 2016*

**Physics**

A force F = 119 N acts at an angle α = 31◦ with respect to the horizontal on a block of mass m = 22.5 kg, which is at rest on a horizontal plane. The acceleration of gravity is 9.81 m/s 2 . If the static frictional coefficient is µs = 0.72, what is the force ...

*January 11, 2016*

**math**

7x-3y=41 2x=-5y Solve using augmented matrix What do i do?

*January 4, 2016*

**Math**

$10,000 invested. part at 3% and part at 6% for a period of 1 year. how much was invested in each account if the interest earned in the 6% account was $357 greater than the 3% account?

*December 20, 2015*

**Math**

Sorry I remembered it wrong. Here it is again. A candy machine contains 5 times the number of nickels in dimes and 16 less than the number of nickels in quarters. How many of each are there?

*December 15, 2015*

**Math**

A candy machine contains 5 times the number of nickels in dimes and is less than 16 the number of quarters. Total value is $12.80. How many are there nickels and dimes? I can't understand what means 5 times the number of nickels in dimes. How do you put nickels in dimes? ...

*December 15, 2015*

**Math**

90 members of a sport club plays at least one of the game tennis,football and volleyball,10 plays tennis and football,19 play football and volleyball and 29 plays tennis and volleyball.x people plays all the 3 games,while x people each play only one game how many play football...

*December 8, 2015*

**Math**

A river flows at the speed of v from west to east. How should a man who is at a point A of the southern bank of the river, which is d meters away from the river, and wants to reach a point B on the northern bank of the river, which is 2d meters away from the river, choose his ...

*December 7, 2015*

**College of Medicine ;University of Malawi **

what is the ph at 25 degrees Celsius of a solution made by dissolving a 5.00 grain tablet of aspirin in 0.500 litres of water? The tablet contains 0.325g of the acid HC9H7O4. ka=3.3*10^-4mm=180.2g/l

*December 3, 2015*

**Physics**

Szymon and Chris fly their balloon around the earth in 80 days. Taking the radius of the earth to be 6400 km, calculate their average speed in m/s. I did answered all the homework questions but I didn't know how to do this one?

*November 21, 2015*

**Kids kingdom school**

Perimeter= adding all outside sides. A carpet is square one is 15cm and the other is 12cm and because its square the other side will be the same since it's parallel 15+15+12+12= 30 + 24 = 54

*November 21, 2015*

**Programming**

Write a program that inputs (from the user) the number of hours worked and hourly rate for employees and outputs the total pay. The program should process an arbitrary number of employees; the user will terminate input by entering 0 hours worked and pay rate. Use a class ...

*November 1, 2015*

**Chemistry**

Calculating theoretical yield and percentage yield from preparation of 4-acetoxybenzoic acid from the interaction of 4-hydroxybenzoic acid and sulphuric acid

*October 28, 2015*

**Chemistry**

1. Explain in terms of rate laws and/or reaction quotients why the product’s low solubility favors the forward reaction over the reverse. The forward rate law is rate = k[maleic acid]n and the reverse rate law is: rate = k[fumaric acid]n. Consider how the rate laws are ...

*October 25, 2015*

**Chemistry**

What would happen to the peaks on your chromatogram for substances that do not separate?

*October 19, 2015*

**chemistry**

What would happen to the peaks on your chromatogram for substances that do not separate? How are transmittance values are affected by the amount of sample on your salt plate?

*October 19, 2015*

**Math**

How could you use the product of 108 and 4 to find the product of 324 and 4

*October 13, 2015*

**Pre-calculus**

Steve your calculations/formulas are wrong they do not work for continuous compounding sorry

*October 11, 2015*

**physics**

When landing after a spectacular somersault, a 40.0 kg gymnast decelerates by pushing straight down on the mat. Calculate the force she must exert if her deceleration is 5.00 times the acceleration of gravity.

*October 3, 2015*

**math**

can you solve expressions that have the same variables, but are in a different order? For example: 36jkm - 36mjk

*October 1, 2015*

**chemistry**

Recrystallization Lab What are the potential consequences of using a spatula to scrape crystals from wet filter paper during filtration?

*September 30, 2015*

**Math**

my son was asked to find each product by factoring the tens, and to draw rectangles if needed to on 6x2, 6x20, and 6x200. I'm not sure how to do this. please help me

*September 28, 2015*

**Physics-Trajectory**

Plug it in

*September 11, 2015*

**Accounting**

Department S had no work in process at the beginning of the period , 18,000 units were started during the period, 2,000 units were 30% completed at the end of the period, and the following manufacturing costs were debited to the departmental work in process account during the ...

*September 3, 2015*

**physical science **

If the park is 360 meters wide and the tram takes 6 minutes to get to the other side, how fast is it moving?

*August 26, 2015*

**Physics**

A length of copper wire is shaped into a single circular loop of circumference 63 cm, similar to that shown in the picture below. A magnetic field of strength 0.50 T is parallel to the normal of the loop. The copper wire has a resistance of 2.5 x 10-2 Ω. The ends of the ...

*August 14, 2015*

**Economics**

If switching to fast replenishment compared to holding inventory in a dc (distribution center). Is this: Operational? Tactical? or Strategic?

*August 12, 2015*

**physics **

A small truck runs off the road and over a 100metre high cliff. It lands 50 metre from the base of the cliff. How long did it take for the truck to hit the ground

*June 20, 2015*

**physics**

A stationary pool ball with mass 0.20 kg is struck with an average force of 35 N over a time of 18 ms. What speed does it have just after impact?

*May 27, 2015*

**Math**

Can you explain why they work plz i just don't understand

*May 25, 2015*

**Math**

Plz Help!!! List three different ways to write 5 (with an exponents of 11) as the product of two powers. explain why all three of you expressions are equal to 5 with an exponent of 11… so far i just know that when your dealing with multiplying a power you add. any ...

*May 25, 2015*

**physics**

Voltage= Current X Resistance(ohms law) V-the battery voltage R-resistance in a circuit V=IR P=IV P=V2/R, where 2 is an exponent P=I2R, where 2 is an exponent P=Power q=CV q=charge C=Capacitance V=voltage (ohms law for capacitors)

*May 21, 2015*

**Physics**

Kinematics Average Velocity= the change in displacement of the x value time the elapsed time(avg velocity) Vage=X/T Average Velocity=initial velocity+final velocity divided by 2(avg velocity for constants) Vavg=Vi+Vf/2 Acceleration=the change in velocity divided by the elapsed...

*May 21, 2015*

**Calculus**

If f(5) = 7, then lim f(x) ------------------x-> 5

*May 18, 2015*

**Calculus**

If f(5) = 7, then lim f(x) x-> 5

*May 18, 2015*

**Language Arts**

Does any one have the answers because igot 75% on my test but it wouldn't tell me which ones i got wrong so does any one have the 100% correct answers? thx

*May 16, 2015*

**Calculus**

f(x)=xe^-x^2. What interval is this function increasing.

*May 11, 2015*

**Pre-Algebra (Probability)**

The probability of choosing a 5 and then a 6

*May 7, 2015*

**World Geo, Help pls**

what is 3 and 6?

*April 27, 2015*

**Math**

Use the graph below to answer the following question. 1. Find the slope. (1 point) 2 – –2 Use the graph below to answer the following question. 2. Find the slope of the line. Describe how one variable changes in relation to the other. (1 point) 2; distance increases ...

*April 24, 2015*

**Language Arts**

1. How do both employers first cheat their governess? The employers say they mad a note of the fact that the pay is 30 rubbles a month and not 40 The employers indicate that an agreement was made about losing pay for holidays The employers decide to deduct rubles from the ...

*April 23, 2015*

**L.A. The Governess :)**

The answer is B

*April 23, 2015*

**Science**

Thx for helping same if you need help

*April 23, 2015*

**Science**

Yes you are correct the answer is B

*April 23, 2015*

**Science **

1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere Chromosphere*************** Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar system? Hydrogen and...

*April 23, 2015*

**Science **

1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed***** Amplitude and wavelength Amplitude and frequency 2. Sound proof ...

*April 16, 2015*

**criminal justice**

i believe its delayed bail

*April 13, 2015*

**AP Physics**

A racing car travels on a circular track of radius 220 m, moving with a constant linear speed of 48.9 m/s. Find its angular speed. Answer in units of rads/s. I already mutiplied 2π x 220. But I don't know what to do from there? Any help please? Thanks!

*April 8, 2015*

**Chemistry**

How many moles of H2O are in 12.7 grams of H2O?

*April 1, 2015*

**algebra II**

log(x+2)+log(x-3)=log(x+29)

*March 26, 2015*

**Physics**

Calculate the work done on the system when 1.00 mol of gas held behind a piston expands irriversibly from a volume of 10.0dm^3 against an external pressure of 1.00 bar?

*March 23, 2015*

**english**

Revise the following word groups to remove all fragments and/or parallelism errors. I like baseball because it is fun and teaches me about the sport. My Answer I like baseball, it teaches me about the sport and it’s also fun.

*February 28, 2015*

**English**

I like baseball, it teaches me about the sport and it’s also fun.

*February 28, 2015*

**Economics**

In a perfect competitive market setting,which of the following would be a true statement? a)market price automatically sets itself exactly at equilibrium b)market price rarely trends toward the equilibrium value c)wage rates trend toward marginal revenue product levels d)wage ...

*February 24, 2015*

**Economics **

When a monopolist increases sales by one unit a)more low priced sales caused negative marginal b)every other unit must be sold at a lower price c)gains some revenue from selling the extra unit D)loses some revenue and all of the above

*February 24, 2015*

**Physics**

A 65.0 kg skier with an initial speed of 11.0 m/s coasts up a 2.50 m high rise as shown in Figure 6.23. Find his final speed at the top, given that the coefficient of friction between her skis and the snow is 0.0800.

*February 22, 2015*

**math**

Find the horizontal and vertical asymptotes of the curve. y = 3x+6/x−7 x= y=

*February 11, 2015*

**math**

Find the horizontal and vertical asymptotes of the curve. y = 3x+6/x−7

*February 11, 2015*