Thursday

December 8, 2016
Total # Posts: 329

**physics**

A 4.0 kg, 36-cm-diameter metal disk, initially at rest, can rotate on an axle along its axis. A steady 5.5 N tangential force is applied to the edge of the disk. What is the disk's angular velocity, in rpm, 4.0 s later?

*November 30, 2016*

**Physics**

You throw a 5.5 g coin straight down at 4.0 m/s from a 25-m-high bridge. A) How much work does gravity do as the coin falls to the water below? B)What is the speed of the coin just as it hits the water?

*October 30, 2016*

**math**

A soccer match was attended by 450 spectators. One third of them were men, two fifth of them were women and one tenth of them were boys. How many girls attended the soccer match?

*October 19, 2016*

**science**

what is the bends (the diving illness)

*October 12, 2016*

**Calc 2**

Use the shell method to find the volume of the solid generated by revolving the region bounded by the line y = x + 2 and the parabola y = x^2 about the following lines: a) The line x=2 b) The line x=-1 c) The x axis d) The line y=26 I know what the formulas are, but I can'...

*October 3, 2016*

**Statistics**

Consider the following frequency distribution of daily sales for a shop that was kept for the months of November and December in 2013. Daily Sales ($) 60-70 70-80 80-90 90-100 100-110 110-120 Number of days 5 11 22 13 7 3 a. From this frequency distribution, (i) draw a ...

*October 1, 2016*

**Lucayan International**

what is the simple subject and simple predicate in this question. This alloy contains a mixture of iron and carbon

*September 20, 2016*

**math solve the problem using the four step plan **

At the end of their 3-day vacation, the Palmers traveled a total of 530 miles. On the third day,they drove 75 miles. On the second day,they drove 330 miles. How many miles did they drive the first day? I can only solve this by adding the second, and third days, and subtracting...

*September 20, 2016*

**Math**

Could you explain in more detail? I don't understand

*September 10, 2016*

**Math**

I have a bag with 2 different kinds of objects: 11 cubes, 16 spheres. If I randomly pick from the bag 5 of these objects without return any of it, what is the probability of getting at least 1 of each kind?

*September 10, 2016*

**Statistics**

I have a bag with 2 different kinds of objects: 11 cubes, 16 spheres. If I randomly pick from the bag 5 of these objects without return any of it, what is the probability of getting at least 1 of each kind?

*September 10, 2016*

**Statistics**

A movie theater has a super ultra combo meal. It includes the option of a large popcorn, a soda, a slice of pizza, and a box of candy. There are 12 types of toppings for the popcorn, including no topping. There are 5 types of toppings for the pizza, including no topping. The ...

*September 5, 2016*

**Algebra 1a**

I need help

*August 22, 2016*

**math**

12000 pieces are made in 24 hours 12000 pieces divided into 50 pieces because that gives you how many boxes you will need 12000/50= 240 boxes if one box sells at £3.00 Then 240 boxes X £3.00 = £720.00 pound per day the machine will make. £9000/720.00= ...

*July 16, 2016*

**chemistry**

45169.82

*May 10, 2016*

**Math**

Dana has carpet squares that are 1/2 yards wide. She has a hallway that is 4 1/2 yards by 3 yards that she needs to cover. How many carpet squares does Dana need?

*April 27, 2016*

**Math**

suppose the relationship between x and y is proportional. When x is 6, y is 78. Identify the constant of proportionality of y to x answer

*March 8, 2016*

**math**

30% of my money is $90. How much money do I have in all

*March 6, 2016*

**Geometry**

The endpoints of AB are A(2, 3) and B(8, 1). The perpendicular bisector of AB is CD , and point C lies on AB. The length of CD is √10 units. The coordinates of point C are_____ . The slope of CD is _____ . The possible coordinates of point D are_____ and_____ .

*February 26, 2016*

**Algebra 1 - 9th Grade**

so the wrong answers are 6 and the right answers are 18?

*January 29, 2016*

**Music**

Definitely the drummer. Drummers do what is called "setting up" the band for a transition by playing either a fill or a loud note right before the band needs to play a loud note together. Source: I'm a drummer.

*January 29, 2016*

**math**

a gym membership charges a 100 dollars as an initial fee plus 25 dollars every month. another gym only charges 45 dollars every month. after how many months will the total cost for both gyms be the same

*January 12, 2016*

**Math homework**

There are caps in a box. 1/6 are red, 1/3 are blue, and 3/7 of the remainder are green. There are 27 green caps, how many caps are there in total.

*November 12, 2015*

**Math homework**

Kieth spends 1/6 of his savings on a magazine and 2/5 of the remainder on a storybook. What fraction of his savings is left?

*November 12, 2015*

**Larkmead**

John has a £10 note. Apples cost £4.95 per kg. does John have enough money to buy 1.9 kg of apples

*October 22, 2015*

**Math**

Chocolate Box Company is going to make open-topped boxes out of 3 × 11-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 one decimal place.) My work (11-...

*October 19, 2015*

**math**

how do i change a fraction to a mixed number

*September 29, 2015*

**science**

if a car travels at 93 km\h, what rate is it traveling in km\min? we haven't used km yet and i am pretty confused

*September 15, 2015*

**science**

write a plan on how to seprate iron filings and sodium chloride crystals

*September 9, 2015*

**Physics - Equalibrium**

Three Fixed pulleys with a common center have the following radi of Ra=16cm, Rb=24cm and Rc=36cm with the applied forces <- Fc; /Fa (pointing southwest); and Fb (pointing southeast). Find the Resultant Torque given Fa=25N; Fb=75N; and Fc=120N.

*June 24, 2015*

**Physiscs 222**

The inner and outer surfaces of a cell membrane carry a negative and positive charge respectively. Because of these charges, a potential difference of about 70*10-3 V exists across the membrane. The thickness of the membrane is 8.0*10-9 m. Assumption the membrane has a ...

*June 15, 2015*

**Physics - Dynamics**

(ZYX)If the coefficient of friction is 0.85 for a 2500 kg car against asphalt, then what applied horizontal friction force would be necessary to decelerate the car at 6.0 m/s^2? Also, what would be the stopping distance if the vehicles original speed is 25 m/s?

*June 12, 2015*

**English**

Boo thank you a lot i went on math and ela and visual arts and u helped me get a 100%

*May 31, 2015*

**Social Studies**

Thank You

*April 22, 2015*

**Social Studies**

New Answers 6B 10A

*April 22, 2015*

**Social Studies**

@Mrs.Sue please help

*April 22, 2015*

**Social Studies**

Sorry can't edit post A to D from top to bottom at Mrs.Sue

*April 22, 2015*

**Social Studies**

@Mrs.Sue

*April 22, 2015*

**Social Studies**

Answers 1C 2C 3C 4B 5C 6A 7A 8D 9A 10C

*April 22, 2015*

**Social Studies**

Answers C C C B C A A D A C

*April 22, 2015*

**Social Studies**

1. Which is a key factor that affects the climate of mountainous Latin America? (2 points) • snow • El Niño • elevation • sea breezes 2. Which statement best describes the economies of Central America? (2 points) • Central America's economy ...

*April 22, 2015*

**Social Studies**

thx

*April 3, 2015*

**Math**

Explain how you could write 35% as the sum of two benchmark prevents or as a multiple of a percent.

*March 17, 2015*

**Lititure**

ur welcom

*March 4, 2015*

**Lititure**

Guyz come on is the human society this dumb???lol u guyz should go back to school:)Btw the answers to this quiz is ABCDDCBC in that order

*March 4, 2015*

**Art**

Thank you guyz

*March 2, 2015*

**algebra**

I am confused on how to solve this. 4/(x+4) + 4/5 =5/2

*February 23, 2015*

**Health**

hello? ^^^

*February 19, 2015*

**Health**

Large cigars contain ________ grams of tobacco compared to small cigars that contain about 1 gram of tobacco. A. 10 to 15 B. 5 to 20 C. 1 to 5 D. 15 to 20 I think it's B.

*February 19, 2015*

**Health**

thanks

*February 18, 2015*

**Health**

wrong question this is the right one Mutual-help groups are popular such as, Alcoholics Anonymous because people can attend MHGs as frequently and for as long as they want ________. A. Without insurance B. Without divulging personal information C. Without being locked into a ...

*February 18, 2015*

**Health**

Federal legislation placed new emphasis on solving America’s alcohol problems and created the NIAAA. What does NIAAA stand for? A. National Institute for America’s Alcohol Abuse B. National Institute for Alcoholism and Alcohol Abuse C. National Institute on ...

*February 18, 2015*

**Health**

never mind i got it lol

*February 18, 2015*

**Health**

I think Its .D

*February 18, 2015*

**Health**

Federal legislation placed new emphasis on solving America’s alcohol problems and created the NIAAA. What does NIAAA stand for? A. National Institute for America’s Alcohol Abuse B. National Institute for Alcoholism and Alcohol Abuse C. National Institute on ...

*February 18, 2015*

**physics**

How fast do you need to swing a 180-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string makes a 33∘ angle relative to the horizontal?

*February 9, 2015*

**Science**

Yeah its going to be (A hardness)

*January 29, 2015*

**Legal Research Studies**

Nisha? Whose that? Anyways I also think it's focus because my text book mentions focus but doesn't not really state it.

*January 13, 2015*

**Legal Research Studies**

Which of the following services is only available on LexisNexis? A. KeyCite B. WestCheck C. LOCATE D. FOCUS I believe the answer D.

*January 13, 2015*

**Physics**

how much work is done to drag a 25kg sled 80m?

*January 4, 2015*

**Physics**

a 4 kg object is taken to a planet that has 3 times the mass of earth and 1/2 the radius of earth. On this planet the mass of the object will be most nearly.. A. 12kg B. 3kg C. 48kg D. 4kg E. 24 kg

*January 4, 2015*

**Math**

Name all sets of numbers to which each number belong -5/3

*December 3, 2014*

**health**

need help!!!!!

*November 27, 2014*

**health**

A. Moderately suppresses B. Severely suppresses C. Lightly suppresses D. Boosts

*November 27, 2014*

**Math**

The temperature on one day in January for Phoenix, AZ, is 60 degrees Fahrenheit. On the same day in Barrow, AK, the temperature is -29 degrees Fahrenheit. What is the difference between these two temperatures?

*November 23, 2014*

**Plane and Spherical Trigonometry**

A man walks 20 meters from point A to point B, Then he turns 80 degrees and walks 35 meters towards point C. How long is the distance AC? Draw the triangle

*October 2, 2014*

**Physics**

The above answer is incorrect by over an entire order of magnitude. (1/2)mv^2 is not the formula for relativistic momentum. Rather you're looking at mc^2(gamma-1) where gamma is (1/(1-(v^2/c^2))^.5). plugging in all of the numbers from the problem gives us: 10000c^2*(0.048...

*September 14, 2014*

**5th grade math**

it is 37 duhh

*September 3, 2014*

**Physics-half way fin.**

Agreed. a) h = 62.5 m = 6.3 x 10^1 m b) PE = mgh =(52)(9.8)(62.5) = 31850 j = 3.2 x 10^4 J

*June 21, 2014*

**Physics**

Any chance you got the answer to this question? I have a professor who gave me a homework question that is IDENTICAL to this minus a few figure changes. I cant seem to figure out the formula for the galaxy rotation.

*June 18, 2014*

**Math**

The batteries from a certain manufacturer have a mean lifetime of 890 hours, with a standard deviation of 90 hours. Assuming that the lifetimes are normally distributed, complete the following statements.

*June 8, 2014*

**help!! Chemistry**

Zn + VO3 ^- --> Zn ^2+ + V^+3 Fe ^2+ + H2O2 + OH- --> Fe (OH) 3 V2O5 + I- + H^+ --> VO2 + I2 + H20 P + H+ + NO3- + H2O -->'NO + H3PO4 RedOX REACTIONS

*June 6, 2014*

**Help Chemistry**

Like redox reactions

*June 6, 2014*

**Help Chemistry**

Zn + VO3 ^- --> Zn ^2+ + V^+3 Fe ^2+ + H2O2 + OH- --> Fe (OH) 3 V2O5 + I- + H^+ --> VO2 + I2 + H20 P + H+ + NO3- + H2O -->'NO + H3PO4

*June 6, 2014*

**Chemistry **

Zn + VO3 ^- --> Zn ^2+ + V^+3 Fe ^2+ + H2O2 + OH- --> Fe (OH) 3 V2O5 + I- + H^+ --> VO2 + I2 + H20 P + H+ + NO3- + H2O -->'NO + H3PO4

*June 6, 2014*

**algebra**

20x^2

*June 6, 2014*

**Science Please Help Me**

Did you get all of them right on the test

*June 3, 2014*

**Chemistry**

At a temperature of 23.0 degrees celcius, and a pressure of 2.25 bar what volume would 23.0 g of a compound in the gaseous state with a molecular mass of 207 g/mol occupy?

*May 27, 2014*

**Chemistry HELP**

Why AgNO3 and Na2SO4

*May 26, 2014*

**Chemistry HELP**

you have 12.56 g of a mixture made up of sodium chloride and barium chloride. explain how you could use a precipitation reaction to determine how much of each compound the mixture contains

*May 26, 2014*

**Social Studies**

guyz thx and miss sue sry for all the ppl that are acting like jerks to u:)

*April 24, 2014*

**Fiance**

9819.74

*March 29, 2014*

**Algebra**

3.33ft

*March 18, 2014*

**math**

A math problem in a workbook says to write a number sentence you could solve using these doubles. 35+35 The answer is supposed to be ____ + ____ = ____ What is the answer they are looking for???

*February 27, 2014*

**java programming**

P.S. I was able to import the file in the first class, but I'm stuck at step one on the second class

*February 17, 2014*

**java programming**

I have to make two classes, one is to import a file and display the integers in the file. The other class has to take the integers from the first class and use them to calculate things like the average, the highest, the total, and I am completely stumped...please help!!!

*February 17, 2014*

**Algrebra**

with a tailwind, a bird flew at a ground speed of 3 mi/h. Flying the same path against the same wind, the bird travels at a ground speed of 1.5 mi/h. What is the bird's air speed? What is the wind speed?

*January 21, 2014*

**Math**

1.5 hours

*November 20, 2013*

**Calculus**

The top and bottom margins of a poster are 2 cm and the side margins are each 4 cm. If the area of printed material on the poster is fixed at 386 square centimeters, find the dimensions of the poster with the smallest area.

*November 18, 2013*

**Computer Programming**

Implement the classic “Rock, Paper, and Scissors game” using following methods: Headers of the methods are shown public static void printMenu( ) It is a void method –It uses no parameters --It is called to display choices and code (1 for Rock, 2 for Paper, and 3...

*November 14, 2013*

**Calculus**

Consider the function f(x)=4(x-5)^(2/3). For this function, there are two important intervals: (-Inf, A) and (A, Inf) Where A is a critical number. Find A

*November 5, 2013*

**Calculus**

Consider the function f(x)=-2x^3+33x^2-108x+2. For this function, there are three important intervals: (-Inf,A], [A,B], [B,Inf) where A and B are the critical points. Find A and B and for each of the important intervals, tell whether f(x) is increasing or decreasing.

*October 29, 2013*

**math**

So the fish is moving 7 miles but falls back 5 miles each full day. 7-5= 2 25/2= 12.5 It would take the fish 12.5 days to move 25 miles.

*October 29, 2013*

**Calculus**

Find all numbers c that satisfy the conclusion of Rolle's Theorem for the following function. If there are multiple values, separate them with commas; enter N if there are no such values. f(x)= x^2-10x+3, [0,10]

*October 28, 2013*

**biology**

true

*October 24, 2013*

**Calculus**

Evaluate the limit. as x approaches infinity, lim sqrt(x^2+6x+3)-x

*October 22, 2013*

**Calculus**

If f(x) = 2sin(5x)arcsin(x), find f'(x).

*October 21, 2013*

**Calculus**

Find the derivative of the function. g(x) = (e^x)/(3 + 3x)

*October 14, 2013*