Sunday

September 25, 2016
Total # Posts: 364

**Physics**

A rock perched on the edge of a cliff falls off. It starts from rest, and falls freely for 1.48 seconds before reaching the ground at the base of the cliff. What is the speed of the stone just before it hits the ground?

*September 18, 2016*

**Physics**

A diver jumps off of a diving board. She leaves the board with a velocity of 3.70 m/sec in the upward direction. How far will she rise above the diving board before she reverses her motion and starts to fall downward?

*September 18, 2016*

**Physics**

A skydiver is falling to earth. When he is traveling at 51.3 m/sec, he opens his parachute, and after 3.00 seconds he reaches the speed of 4.30 m/sec. The remaining 60 seconds before landing is spent traveling downward at the speed of 4.30 m/sec. What is his ...

*September 18, 2016*

**Psychological Stats**

For a population with a mean of 80 and the standard deviation of 12, what is the Z score corresponding to an individual score of 71?

*June 23, 2016*

**Algebra**

(5x^2+8x+1) + (3x^2+-4)=

*May 10, 2016*

**Chemisty**

By titration it is found that 12.1 mL of 0.130 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.

*April 27, 2016*

**physics**

The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.011 kg, and its velocity is +731 m/s. Her mass (including the ...

*February 25, 2016*

**physics**

By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 3.05 m/s and v2 = 1.95 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor. After the collision, ...

*February 25, 2016*

**physics**

Adolf and Ed are wearing harnesses and are hanging at rest from the ceiling by means of ropes attached to them. Face to face, they push off against one another. Adolf has a mass of 104 kg, and Ed has a mass of 80 kg. Following the push, Adolf swings upward to a height of 0.56 ...

*February 25, 2016*

**physics**

A two-stage rocket moves in space at a constant velocity of 4800 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1290-kg upper stage is 5600 m/s in the same direction as before the ...

*February 23, 2016*

**physics**

A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 235 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.2 m/s relative to the shore, and then hops onto an identical floating log that is ...

*February 23, 2016*

**math**

55*3=165 65*3=195 195-165=30

*February 13, 2016*

**AppliedStats**

Suppose that you bought a stock 6 years ago at $12 . The stock’s price at the end of each year is shown here. Year 1 2 3 4 5 6 Price 10 14 15 22 30 25 a) Compute the rate of return.

*February 13, 2016*

**Math**

what grade, r u in connections

*October 29, 2015*

**Math**

I'm kinda confused with this problem. Is it in Geometry, pre algebra algebra 1 or algebra 2 or so on?

*October 29, 2015*

**Math**

Is that what it look like on your homework x^-b?

*October 29, 2015*

**Math**

is that x is greater than negative b or x is less than negative b

*October 29, 2015*

**Social Studies, Proofread my answers tutor**

Please note, these are essay questions. Why was northern Italy a natural birthplace for the Renaissance? In your answer, explain what (5 points) the Renaissance was. It was a natural birthplace for the Renaissance because it was sort of like a melting pot for trade. ...

*October 29, 2015*

**Math**

When the cylinder of the answer diameter 60cm rolls at a speed of 5 revolutions per second, moving speed (s What m / min Is Just C pi of the cylindrical the (Ï€) is calculated as 3.14, the first decimal place Please rounding.

*October 26, 2015*

**Math**

Renting a truck cost $30 per day and 22 cents per mile when the driver goes beyond the 23 miles a lot of per day. How much wood Tabitha pay when renting a truck for 3 days and driving a total of 210 miles?

*July 14, 2015*

**physics**

Using a rope, a child pulls a box across a rough floor at a constant speed. The tension in the rope is 105 N and the rope makes an angle of 37 degrees with the horizontal. Find the friction force acting on the box (due to the rough floor).

*June 9, 2015*

**Business**

to help employees become more effectively productive, companies may form cross-______ terms that draw on people from different departments to work on a special project.

*June 8, 2015*

**Business**

In a _________, consumers ultimately decide what should be produced.

*June 8, 2015*

**Business**

These days, the leading commerical firms are found in the______ sector

*June 8, 2015*

**Dynamics of the Business Environment**

In general, a person who owns and operates his or her own business can be thought of as a/an

*June 8, 2015*

**Business**

It looks a lot like a corporation and can sell stock, but its taxed like a partnership. This would be a/an

*June 8, 2015*

**Busniess**

Vending is a form of ______ that succeeds by offering convenient locations, like airports, office buildings, and service stations.

*June 8, 2015*

**Physics**

A mass slides down a smooth incline, the normal force is exactly 1/3 the weight of the mass. Find the angle of the incline, relative to the horizontal.

*May 26, 2015*

**Physics**

Vectors A and B are added to produce C, that is A+B=C. If B=-5x+5y and C=2x-3y. Find the unit vector of A, that is find A (in component form).

*May 24, 2015*

**Math**

its translation

*May 24, 2015*

**Physics**

A car speeds, at a constant 16 m/s, past a parked police motorcycle. Five seconds later, the police officer leaves on her motorcycle, and accelerates at 2 m/s2. How many seconds until she catches the car?

*May 23, 2015*

**Easy math**

More, I got 46

*May 5, 2015*

**Easy math**

Question: Susie got the following scores for the first 18 holes of miniature golf: 3,4,2,1,4,4,2,3,4,3,2,1,2,3,3,5,4 and 3. If par for the first 18 holes is 45 strokes, is Susie's stroke total over, under, or equal to par? - Answer: do I add 18 by 45?

*May 5, 2015*

**Easy math**

Wait would it be 74 lol sorry, I thought the biggest..

*May 4, 2015*

**Easy math**

OHH jordan because he gets 79, max gets 76, and Gerardo gets 74 ! Thanks ms.sue, may the fourth be with you :))

*May 4, 2015*

**Easy math**

Question: Max and his friends played miniature golf at the new Goofy Golf. Max completed the west section in 35 minutes, and then west section in 41 minutes. Jordan finished the west section in 37 minutes, and then the west section in 42 minutes. Gerardo finished the west ...

*May 4, 2015*

**Science**

How can I find the potential difference? It's a parallel circuit. R1, R2 and R3 is 0.3 and the current is 8.0. Is the volts 8.8?

*March 24, 2015*

**Pre-Calculus**

he amount M (in billion of dollars) of mortgage debt outstanding in the US from 1990 to 2001 can be approximated by the function M(t)= 29.9t^2 + 3892 where t=0 represents 1990. Rewrite the function so that t=0 represents 2000.

*February 16, 2015*

**math**

can you plz show working on how you work out the answer

*January 14, 2015*

**Physic- help on direction (Not that good at Englis**

Galileo figured out the equation that describes the behavior of a pendulum. If you square both sides of the equation, you will find that the slope of the line is related to the acceleration due to gravity (g). Specifically, slope = 4PI^2/g. Use your data to calculate g. How ...

*January 12, 2015*

**math**

Iam having trouble iam learning impaired

*December 27, 2014*

**math**

i have 20.00 for my phone calls every time i call it takes 2.50 then 24 cents a minute how much would it cost to talk for 5 minutes?

*December 27, 2014*

**math**

A recipe calls for 4 part club soda to 3 part juice, how much juice is needed for 32 Oz of club soda?

*December 18, 2014*

**Zanetti**

Each roll of ribbon has 5 yards. Each gift takes 3 feet of ribbon. How many packages can be wrapped with one roll

*December 3, 2014*

**statistics**

An instructor in a large lecture class found at the end of the semester that total points scored by students in his class was approximately Normal with mean 530 and standard deviation 80. If 10% of the class are to receive A's (he grades on a curve), what is the lowest ...

*October 23, 2014*

**Business English **

You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe one particular experience you&#...

*October 21, 2014*

**Math**

Can you make the awncer in a math problem instead so I can copy

*September 23, 2014*

**Psychology**

One reason that new traits keep arising is because of genes ability to spontaneously what? A) divide b) split c) multiply d) mutate

*July 2, 2014*

**Arithmetic**

The first, second and third terms of a geometric progression are 2k+3, k+6 and k, respectively. Given that all the terms of geometric progression are positive, calculate (a) the value of the constant k (b) the sum to infinity of the progression.

*June 16, 2014*

**Physics**

3. Yellow light travels through a glass block at a speed of 1.97x108 m/s. The wavelength of the light in this type of glass is 3.81x10-7 m. What is the frequency of yellow light?

*February 24, 2014*

**Algebra**

$730 at 5.5% compounded quarterly for 6 years

*February 17, 2014*

**physics**

A small block is released from rest at the top of a frictionless incline. The distance from the top of the incline to the bottom, measured along the incline, is 3.60 m. The vertical distance from the top of the incline to the bottom is 1.36 m. If g = 9.80 m/s2, what is the ...

*January 29, 2014*

**math**

54 divi 106

*December 19, 2013*

**Math**

A flat screen television is sized depending on the length of the diagonal (ex: a 40 inch flat screen has a 40 inch diagonal ). If a 32 inch television has a width that is 5 inches longer than its length. Determine the dimensions of the television (using exponential applications)

*November 24, 2013*

**business law**

Adam Chandler, star pitcher for the Olney Jayhawks, was warming up in the bull pitches to a catcher, during game 3 of the World Series where they were facing their hated rivals the Texas Loudmouths. Throughout this warm-up, the Texas fans were being very crude and obnoxious, ...

*October 31, 2013*

**Math**

I am a number between 300-600. When you add my digits together, I am greater than 11 but less than 16. what number (s) am I?

*October 30, 2013*

**Money and Banking**

A firm uses capital to produce revenue. The marginal revenue from the first 5 units of capital is as follows: 1st unit has MR 2.1, 2nd unit has MR 1.93, 3rd unit has MR 1.76, 4th unit has MR 1.55, and 5th unit has MR 1.35. If the interest rate is 51%, what is the optimal ...

*September 8, 2013*

**college algebra**

Find all real solutions of the equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.) x4 + 27x = 0

*September 5, 2013*

**Math**

Karen is 8 years old and Kate is 9 years old. What will Kate's age be when the total of the digits in both their ages is 17?

*September 3, 2013*

**Math**

4 accounting majors, 2 economics majors and 3 marketing majors have an interview for5 different positions with a large company. Find the number of dfferent ways that 5 of these could be hired. 4 accounting majors must be hired first then the final position may be chosen from ...

*September 3, 2013*

**accounting-income tax**

During the current year, Deborah Baronne, a single individual, paid the following amounts: Federal income tax $10,000 State income tax $4,000 Real estate taxes on land $1,400 State sales tax $2,000

*September 1, 2013*

**Statistics**

The next three questions refer to the following situation. Data from previous years reveal that the distribution if first exam scores in an introductory statistics class is approximately normal with a mean of 72 and a standard deviation of 12. 16) Given that the passing score ...

*August 24, 2013*

**Math ASAP**

to calculate the surface area of a prism= 6as+6sh=6as=Ph (a=apothem length, s=side, h=height)

*August 24, 2013*

**Algebra**

Simplify the expression: (w+5)^2 My answer: w^2+25

*April 25, 2013*

**Science**

Joe pushes a lawn mower four times as far as Mary while exerting only half the force, who does more work? And by how much?

*April 21, 2013*

**algebra**

i WAS TRYING TO FIGURE OUT HOW TO GET THE LENGTH OF A SIDE OF A CUBE WHEN THE VOLUME IS 800CM^3

*April 14, 2013*

**math**

Nancy made the following statement: The range of f(x) = ax + b is the set of all real numbers given that a and b are real numbers. Which produces a counter example to her statement?

*April 1, 2013*

**SCI/241**

Create a 9- to 12-slide Microsoft® PowerPoint® presentation that focuses on the use, benefits, and risks associated with dietary supplements. What are dietary supplements? · What are some benefits of taking dietary supplements? · What are some risks from ...

*March 31, 2013*

**math**

find the area of a table top with 7/8 of a foot length and 3/5 of a foot wide.

*March 26, 2013*

**statistics**

If you estimate a model y=a + b * x, where the dependent variable Y is measured in billions of dollars and your predictor variable X is measured in percent then "A" represents what?

*March 18, 2013*

**math**

How many 3/10 centimeters segments are in 6 and 4/5 centimeters

*February 25, 2013*

**non permissable values**

ok that helped thank you

*February 22, 2013*

**non permissable values**

i have a hard time understanding the non permissable values could someone please explain. I have solved the following equations but need help determining the values. Also if you could check to see if i did them right it would be alot of help 1. a2+7a+12/a2+4a+4 x a2-a-6/a2-9 (...

*February 22, 2013*

**Math - graphing**

so i came up with 14440 people rounded to the nearest whole number. is there a way to check the formula by using the previous information?

*February 21, 2013*

**Math - graphing **

i am having trouble with a graphing calculator please help with these two questions 1. a census was taken from 2012 to 2020. the data collected is given in the following table. 2012-2020 L1 l2 0 6000 1 6300 2 6615 3 7012 4 7362 5 7878 6 8429 7 9272 8 10199 a) what is the ...

*February 21, 2013*

**Math**

can someone explain restrictions on a variable i have an equation divide (x^3+5x-18) by (x-2) it got x^2+3 with a remanider of 12 is this correct and what is the restrcition on the varible?

*February 21, 2013*

**Math**

can someone explain restrictions on a variable i have an equation divide (x^3+5x-18) by (x-2) it got x^2+3 with a remanider of 12 is this correct and what is the restrcition on the varible?

*February 21, 2013*

**Math**

yes thank you i just wasnt sure what they were asking thank you

*February 21, 2013*

**Math**

one jar holds 4mls more than twice the volume of the other jar. write an equation

*February 21, 2013*

**Math**

i have problems with understand what they are asking in a word problem it goes like this one jar holds 4mls more than twice. The two jars together hold the volume of the other jar. both jars together hold 712ml what is the volume the smallest jar hold.

*February 21, 2013*

**Math**

i have problems with understand what they are asking in a word problem it goes like this one jar holds 4mls more than twice. The two jars together hold the volume of the other jar. both jars together hold 712ml what is the volume the smallest jar hold.

*February 21, 2013*

**algebra**

and part a iswhere x is the multiplication.

*February 21, 2013*

**algebra**

yes they should be.... so that would make sense what about the first equation?

*February 21, 2013*

**algebra**

i am having trouble understaing how to write these out in simplest form please help a. 7^3x7^2x8^5/ 8^4x7x8^-7 for this i got 7/8 b. (a^-2b^4c^3)2 can you explain and show me how to do this?

*February 21, 2013*

**physical**

Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 84 kg, and the mass of the woman is 68 kg. The woman pushes on the man with a force of 50 N due east. Determine the acceleration (magnitude ...

*February 13, 2013*

**Math **

Alice is three times as old as Jack. In 10 years she will be twice as old as Jack. How old are Alice and Jack now? How old will they be in10 years

*January 23, 2013*

**English**

What is the full name of the Journal?

*January 19, 2013*

**English**

Culture diversity/a mobile workforce command creative leadership, new partnerships, and innovative approaches to integration? I put Culture diversity/a mobile workforce command creative leadership, new partnerships, and innovative approaches to integration; and my teacher said...

*January 19, 2013*

**Chemistry**

for each of the following, give an answer with the correct number of significant figures: A. 400 times 185 b. 2.40 divided by 4 times 125 c. 0.825 times 3.6 times 5.1 d. 3.5 times 0.261 divided by 8.24 times 20.0

*January 15, 2013*

**math**

we decided on a new logo for shirts,if we had used 4 stripes and 2 colors,how many more logos could we have made than using 3 stripes and 2 colors

*December 10, 2012*

**geometry**

No idea :(

*November 25, 2012*

**chemistry- What does this symbol mean**

hopefully you can ge the jist of that as it didnt post how i write it out

*November 25, 2012*

**chemistry- What does this symbol mean**

This is the chart i filled it out but then i noticed the e thing it looks like this HNO2 E H3O+ NO2- Inital 0.045 0 0 Change 0.0043 0.0043 0.0043 Equl 0.0407 0.0043 0.0043

*November 25, 2012*

**chemistry- What does this symbol mean**

ok so for the reaction HNO2(aq)+H20(l) --> H3O=(aq) + No2-(aq) initial- 0 change - 1 Eqil - 1

*November 25, 2012*

**chemistry- What does this symbol mean**

could you explain how i would use that in the chart? like if i have HNO2 for example?

*November 25, 2012*

**chemistry- What does this symbol mean**

if there is an E symbol with a slash through it on an ICE chart what does it stand for?

*November 25, 2012*

**chemistry- What does this symbol mean**

if there is an E symbol with a slash through it on an ICE chart what does it stand for?

*November 25, 2012*

**chemistry**

because i have to relate it to the table can inot use a visual experiment to test ph such as color? how about just test hydrogen or hydroxide in a conctration? am i on the right track

*November 24, 2012*

**chemistry**

This is an assesment question and im really bad at these, i did the first two questions and now i am stuck. They ask you to design a series of experiments that can be used to confirm the structure and organization of the table of relative strengths of acids and bases. the want...

*November 24, 2012*

**chemisrty - ICE CHART DEPOSTION**

isnt the equilibrium of HNO2 0.0407 because the equilibrium of H+ is 0.0043? i am confused if no change occured in the reaction according to the chart...

*November 22, 2012*