Saturday

October 25, 2014

October 25, 2014

Total # Posts: 177

**Basic Statistics**

The Suva Energy Information Administration reported that 51.7% of homes in Sunnyville were heated by natural gas. A random sample of 200 homes found that 115 were heated by natural gas. Does the evidence supports the claim, or has the percentage changed? (Use a P-value method).
*October 15, 2014*

**Statistics**

A rental agency claims that the average rent that small-business establishments pay in Suvacity is $800. A sample of 10 establishments shows an average rate of $863. The standard deviation of the sample is $20. At α = 0.05,is there enough evidence to reject the agencies ...
*October 15, 2014*

**math**

Marianne buys 16 bags of potting soil that comes in 5/8 pound bags a.how many pounds of potting soil does she buy? b. if her father calls and says he needs 13 pounds of potting soil, how many additional bags should she buy?
*September 22, 2014*

**KIPP Believe **

The student-to-faculty ratio at a small college is 17:3. The total of students and faculty is 740. How many faculty members are there at the college? How many student?
*September 1, 2014*

**Math**

A car dealership employs 12 salesman and 28 mechanics. What is the ratio of salesman to mechanics?
*August 12, 2014*

**math**

Aislyn decides to research attendance at sporting events for her project. She finds data on average attendance per game at San Diego Chargers (CA) football games and at Dallas Cowboy (TX) football games. The table shows the average attendance for each team for the 2000 season ...
*May 27, 2014*

**english**

ugh i will just go elsewhere
*May 12, 2014*

**english**

I do not have a clue what it is cause it has been a long time sense I have read this book. Can you please help me?
*May 12, 2014*

**english**

17. In Shirley Jackson’s “The Lottery,” how does the author use Tessie’s late arrival to help create suspense? (1 point) A The reader does not know what event Tessie has arrived late for. B The reader knows that the townspeople are aware of Tessie's ...
*May 12, 2014*

**English**

16. What is the effect of the author’s use of assonance in the following line from “The Raven?” “For the rare and radiant maiden whom the angels name Lenore—” (1 point) A It creates emphasis on Lenore. B It explains Lenore’s appearance. C It ...
*May 12, 2014*

**English**

Thx
*May 12, 2014*

**English**

12. What does the following quote reveal about Montressor’s intentions? "'Pass your hand,’ I said, ‘over the wall; you cannot help feeling the nitre. Indeed it is very damp. Once more let me implore you to return. No? Then I must positively leave you. ...
*May 12, 2014*

**Liberty**

What is the sample Z score to reject the null hypothesis if the cut off Z score +-2.31?
*February 21, 2014*

**statistics**

A population is normally distributed with mean 30, population SD =10, Sample size 25. What are the mean and variance of the distribution of means, respectively?
*February 20, 2014*

**Math**

Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? I worked it out this way 8/15 x 30 = 240/15 240 divided bt 15 = 16 seconds my teacher said I was wrong and said the answer was 30/16????
*January 18, 2014*

**Math**

Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? How would I work this out? Thank You
*January 18, 2014*

**physics**

A 0.40 kg mass is attached to a spring with force constant 26 N/m and released from rest at a distance of 3.2 cm from the equilibrium position Use conservation of energy to find the speed of the spring when it is halfway to the equilibrium position Find the maximum speed of ...
*November 21, 2013*

**Accounting**

1.More specifically, in the third and fourth quarter of 2000, at the direction and with the knowledge of WorldCom’s senior management, Vinson Normand and others, by making and causing to be made entries in WorldCom’s books which improperly decreased certain revenues ...
*October 5, 2013*

**math **

the price of a fax machine is marked down from $305 to $262.30. what is the rate of discount
*October 3, 2013*

**History**

1. Marco Polo wrote an account of the marvels of (1 point) the Americas Venice Asia *** Spain 2. Which man and his army conquered Peru? (1 point) Francisco Pizarro *** Atahualpa Hernan Cortes Montezuma 3. Traders who established rights to the Canadian fur trade were (1 point) ...
*September 20, 2013*

**Science**

the answers that have *** over them are correct?
*September 12, 2013*

**Science**

question 4 is inference
*September 11, 2013*

**maths**

A die is thrown twice. Find the probability that the number obtained in the first throw is smaller than that in the second throw.
*August 30, 2013*

**maths**

A group of y numbers has mean x. If the numbers 3 and 5 are removed from the group, the mean of remaining(y-2) numbers remains unchanged. Find x.
*August 30, 2013*

**Finite Math**

True or false. [A ¿ (B ¾ C)]c = (A ¿ B)c ¿ (A ¿ C)c
*August 3, 2013*

**Finite Math**

True or false. P (n, r) = r! C (n, r). explain why please, thanks
*August 3, 2013*

**english**

D secondary research
*August 2, 2013*

**Computers C++**

1). After the assignment statement result = isspace('\t'); result has the value ________. 2). The data type of islower('g') is ________. 3). What will be output given the following information: float * pointer; float pay = 3.75; pointer = &pay; cout << &...
*July 14, 2013*

**math**

if i have a mix of 4oz. to 100lbs. how much would it be for 9Lbs.
*April 13, 2013*

**math**

2(n+3}<-4
*January 31, 2013*

**chemistry**

RANK THESE COMPOUNDS BY THE LENGTH OF THE CARBON-CARBON BOND
*January 14, 2013*

**Trigonometry**

rectangular form to polar form xy=12 rsinÆŸ rcosÆŸ=12 would the answer be: r^2=12/cosÆŸ sinÆŸ please show steps, Thanks
*December 19, 2012*

**math **

9/20 how do I multiply & simplity
*October 24, 2012*

**algebra**

(1) T in terms of A is alike to Y in terms of X for linear graphs, so set it up the same way. T = (something)A + constant The constant reading is 200 miles per hour so that is your constant. T = (something)A + 200 The true airspeed is increasing by 2% or .02 of the indicated ...
*September 26, 2012*

**Math**

Use all ten digits from 0 to 9 only once. Do not use 0 in either the milions or thousandths places. What is the greatest number less than 5 million?
*September 17, 2012*

**math**

Alternate exterior angles are always ?
*July 10, 2012*

**algebra**

a – 6 = 2b a + b = 15
*July 8, 2012*

**algebra**

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The sum of two numbers is 36. Their difference is 4. Determine the two unknown numbers.
*July 7, 2012*

**pre algebra**

solve whether the sequence is arithmetic or geometric if it is arithmetic or geometric,state the common difference or common ratio and write the next three terms of the sequence 10,18,26,34
*May 3, 2012*

**Probability**

6 sided die is rolled 8 times, how many sequence of rolles are there?
*April 24, 2012*

**AP Chemsitry**

A solution of an unknown monoprotic weak acid was titrated with 0.100 M NaOH. The equivalence point was reached when 37.48 ML of base had been added. From a second buret, exactly 18.74 of 0.100 M HCl were added to the titration solution. The pH was then measured with a pH ...
*April 1, 2012*

**physics**

A turntable must spin at 33.7 rpm (3.53 rad/s) to play an old-fashioned vinyl record. How much torque must the motor deliver if the turntable is to reach its final angular speed in 1.5 revolutions, starting from rest? The turntable is a uniform disk of diameter 30.5 cm and ...
*March 17, 2012*

**physics**

A spinning flywheel has rotational inertia I = 401.9 kg · m2. Its angular velocity decreases from 20.5 rad/s to zero in 257.1 s due to friction. What is the frictional torque acting?
*March 17, 2012*

**physics**

You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 372 N. The store owner desires that it hang out over the sidewalk as shown. The sign has a weight of 248 N and the beam's weight is 49 N. The beam's length is 1.30 m and the ...
*March 17, 2012*

**Physics**

A house painter stands 3 m above the ground on a 5.3-m-long ladder that leans against the wall at a point 4.7 m above the ground. The painter weighs 638 N and the ladder weighs 143 N. Assuming no friction between the house and the upper end of the ladder, find the force of ...
*March 17, 2012*

**chemistry**

you are given an unknown gaseous binary compound. when 10.0g of the compound isburned in excess oxygen, 16.3g of water is produced. the compound has a density 1.38 times that of oxygen gas at the same conditions of temperature and pressure. give a possible identity for the ...
*December 8, 2011*

**chemistry**

you are given an unknown gaseous binary compound. when 10.0g of the compound isburned in excess oxygen, 16.3g of water is produced. the compound has 1.38 times that of oxygen gas at the same conditions of temperature and pressure. give a possible identity for the compound.
*December 8, 2011*

**microeconomics**

Immigration is a major topic of concern in today’s economy. What are the possible problems and solutions for these concerns? What could happen to the U.S. labor markets if immigration is not controlled?
*November 30, 2011*

**microeconomics**

Many factors determine the supply and demand for labor. Identify and explain two factors that would increase or decrease the demand for labor. Identify and explain two factors that would increase or decrease the supply of labor. Use the readings and/or the internet for examples
*November 30, 2011*

**Microeconomics**

Answer the following questions based on the graph that represents J.R.'s demand for ribs per week of ribs at Judy's rib shack. a. At the equilibrium price, how many ribs would J.R. be willing to purchase? b. How much is J.R. willing to pay for 20 ribs? c. What is the ...
*November 27, 2011*

**grammer**

find italicized test
*October 28, 2011*

**physics**

You have four vectors. For each one resolve them into North and east components. Adding the North components. N= 75 + 0 + 125 sin(30) - 150 = - 12.5 m And adding the east components we get E = 0 + 250 + 125 cos(30) + 0 = 358.25 The magnitude of the result is found by ...
*October 24, 2011*

**trig**

If S is an element of [ 3pi/2 , 2pi ] what quadrant does the terminating side lie in and evaluate for sine theta
*October 21, 2011*

**Chemistry II**

Liquid sodium can be used as a heat transfer fluid. It's vapor pressure is 40.0 torr @ 633 degrees C and 400.0 torr @ 823 degreees C. Calculate it's heat vaporization.
*September 5, 2011*

**Chemistry**

Write the balanced net ionic equation. Label species as solids liquids gase aqueous. HNO3(aq) + Ba(OH)2(aq) ---> I don't understand the steps? And how to balance it?
*July 24, 2011*

**College Algebra**

Sorry, the question is "A person is 66 inches tall is standing 15 feet away from a streetlight. If the person casts a shadow 84 inches long, how tall is the streetlight?"
*June 24, 2011*

**College Algebra**

If a person is 66 inches tall is standing 15 feet away from a streetlight. If the person casts a shadow 84 inches long, how tall is the streetlight?
*June 24, 2011*

**kettering elementary school**

what do you do when you have 10 or more ones
*May 24, 2011*

**biology**

why is the cell membrane important to people?
*May 19, 2011*

**m-100**

Sketch the graph of each linear function. Give the domain and range. (a) f(x) = -2x + 1 (b)f(x) = -3.
*May 5, 2011*

**m-100**

write an equation for the srtaight line that satisfies the given conditions. (a) Through (-2,-2); slope -1 (b) Through (4,2); slope 1/2.
*May 5, 2011*

**m-100**

find the slope-intercept form of the straight lines,given by the following equations: (a) -4x + 2y =4 (b) 2x = 1-4y
*May 5, 2011*

**math**

if a basketball player shoots 50 free throws and makes 23% of them,how many free throws did he make?
*April 19, 2011*

**math**

simplify (6x^3-7x^2+3x+9)/(3x+9)
*March 23, 2011*

**science**

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in ...
*February 12, 2011*

**geometry**

what is the perimeter of trapeziod (-3,3) (-5,0) (2,3) (4,0)
*February 8, 2011*

**math**

i solved by factoring like this: 3x^2+5x-12=0 (3x+4)(x-3) -4 +3 x=-4 x=3 now i need to solve by the form x^2=k How do I do that?
*February 7, 2011*

**physics**

a car is approaching a traffic light at 25m/s when it turns red. The driver takes 1 second to react and put his foot on the brake pedal, after which the car decelerates at 2m/s^2. find the distance needed for the car to come to stop after the light turns red
*January 25, 2011*

**physics**

a girl throws a ball vertically upwards at 5m/s from the roof of a building 20m high how long will it take the ball to reach the ground? and what will its speed be when it strikes the ground
*January 25, 2011*

**Algebra**

Sam two student loans totaled $31,000. One of his loans was at 2.8% simple interest and the other at 4.5%. After one year, Sam owed $1024.40 in interest. What was the amount of each loan?
*January 13, 2011*

**physics**

The velocity of a diver just before hitting the water is -8.8 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.93 s of the dive?
*January 12, 2011*

**physics**

The velocity of a diver just before hitting the water is -8.8 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.93 s of the dive?
*January 12, 2011*

**government**

The President's power to veto congressional legislation and the requirement that Congress confirm the President's nominees to the Supreme Court are both examples of what?
*January 6, 2011*

**calculus**

At what values of x does the function f(x)= x(x-4)^4 have a horizontal tangent line?
*December 2, 2010*

**math**

At what values of x does the function f(x)= x(x-4)^4 have a horizontal tangent line?
*December 2, 2010*

**algebra**

Find two possible numbers that differ by 8 and whose reciprocals differ by 1/6.
*December 1, 2010*

**buisness**

ok could you help with the general answer to the questions, the article didnt help out much. Which industries have substantially reduced fixed cost commitments? Do you believe this reduction in costs has substantially impaired the ability of these industries to meet the needs ...
*November 18, 2010*

**buisness**

yes i read the article.
*November 18, 2010*

**buisness**

Industry downsizing has been a major part of the corporate world, even government agencies are downsizing. GovernmentExecutive website "covers the business of the federal government and its huge departments and agencies - dozens of which dwarf the largest institutions in ...
*November 18, 2010*

**buisness**

Throughout the corporate world, businesses are transforming labor into a more flexible (and variable) cost. Among such companies are Hewlett-Packard, General Electric, DuPont, Sun Microsystems, and British Airways. Discuss whether direct labor is a fixed or a variable cost. ...
*November 18, 2010*

**Physics**

A skydiver has a terminal velocity of 9.0 m/s. If they have a mass of 98, what is their k value for their air resistance? Use g = 10 m/s/s and do not report units on your answer, they should be N s/m.
*November 2, 2010*

**Physics**

A skydiver has an air resistance force of 1193 N and a mass of 94 kg, what is her current acceleration? Take down to be POSITIVE and use g = 10 m/s/s. Please report your units as "m/s/s"
*November 2, 2010*

**2nd grade math**

Impossible
*November 2, 2010*

**Physics**

A 3.0 kg block is being pulled with a horizontal force of 29.7 N. If the block is accelerating at 3.2 m/s/s, what is the coefficient of kinetic friction between the block and the table?
*November 2, 2010*

**algebra**

15000(1+0.07/2)^2*4
*September 26, 2010*

**English**

I want to ride. What parts of speech are to ride in this sentence.
*September 21, 2010*

**5th grade**

use a flow map to help you figure out the missing number. be sure to use arrows to show the direction of your map, and make sure you have a title. clue 1 i am a multiple of 3 clue 2 i am between the numbers 15 and 36 clue 3 when you add my two numbers together you get th sum ...
*August 18, 2010*

**math**

yes
*August 18, 2010*

**math**

use a flow map to help you figure out the missing number. be sure to use arrows to show the direction of your map, and make sure you have a title. clue 1 i am a multiple of 3 clue 2 i am between the numbers 15 and 36 clue 3 when you add my two numbers together you get th sum ...
*August 18, 2010*

**geometry**

That was my first thought but it seems to easy to be true!!!!
*August 17, 2010*

**geometry**

Find the area of a square given that the length of each of its sides is 1/4 the value of its area.
*August 17, 2010*

**CSC 111 Intruduction to Computer Science**

What does it imply to pursue a computer science major in the 21st century?
*July 8, 2010*

**mat 101**

What would my balance be if I had $100 in a savings account that had a 2% interest rate and I kept the account for a 5 year period, using continuos compounding?
*July 6, 2010*

**mat 101**

Equation for a line that passes through (6,26) and has a slope of 3 Equation for a line that passes through the points (5,5) and (10,20) Equation for a line that passes through (9,25) and has a slope of -3. Equation for a line that passes through (1,) and is perpendicular to ...
*June 26, 2010*

**History**

What does the treatment of the colonies by their European powers tell you about their views of these colonists and natives?
*June 17, 2010*

**math**

No. Unless you use pentagons and octagons in a configuration similar to what is commonly found on a soccer ball
*June 9, 2010*

**Chemistry**

Gasohol contains ethanol (C2H4OH)(l), which when burned reacts with oxygen to produce CO2(g) and H2O(g). How much heat is released when 12.5g of ethanol burns? C2H5OH(l) + 3 O2(g) --> 2 CO2(g) + 3H2O(l) Delta H = -1368kJ
*May 19, 2010*

**pre calc**

solve following using "elimination method" 3x^2 + 4y = 17 2x^2 + 5y = 12
*May 19, 2010*

**Pre Calc**

Thanks
*May 18, 2010*