Sunday

April 26, 2015

April 26, 2015

Total # Posts: 846

**wireless communications**

what is the period of the space shuttle traveling at 250km above the earth and what is its velocity
*December 2, 2012*

**Fractions**

Solve by drawing a diagram. A Tour bus travels 7 1/2 mi south, 3 1/2 east, 4 1/3 mi north, and 11 1/2 mi west. How far has the tour bus traveled when it crosses its own path?
*November 14, 2012*

**geography**

thank you for your help:)
*November 8, 2012*

**geography**

the list i gave you
*November 8, 2012*

**geography**

i need to know what influences they had
*November 8, 2012*

**geography**

i need to know the influences they had
*November 8, 2012*

**geography**

Central asia Complete the following: Describe what influence the former invaders of this region brought into the regions culture. a. Turkic b. Arabs c. Mongols under Genghis Khan D. Mongols under Timur e. Russians f. Soviet
*November 8, 2012*

**geography**

in Centrel Asia why are temperatures in this region often really cool at night, but sweitering hot during the days?
*November 8, 2012*

**science**

Calculate the heat of combustion of this wax in kJ/mol. How much energy is produced per carbon? What is the limiting reagent? I have the Q=m*C*deltaT equation to be 10460.45 joules using 100.1 grams C25H52, 25 degrees C, and 4.18 J/gC. I don't know how to find how much ...
*November 7, 2012*

**Math,Statistics**

Johnny suffers from Flu an average of 5 times per week. However, Tony claims that Johnny rarely suffers from fewer than 15 bouts flu per week. If Johnny has been suffering from flu for 180 weeks, at a minimum, how many of those weeks has he suffered from fewer ￼￼...
*November 3, 2012*

**Computers**

The answer is one that you must learn for yourself my friend...
*October 24, 2012*

**Information Technology**

The answer is one that you must learn for yourself my friend...
*October 23, 2012*

**Math**

The answer is one that you must learn for yourself my friend...
*October 23, 2012*

**Chemistry**

Dont worry bro i feel you the answer is 455C.
*October 23, 2012*

**language**

The answer is one that you must learn for yourself my friend...
*October 22, 2012*

**social study help plz**

The answer is one that you must learn for yourself my friend...
*October 22, 2012*

**soicial studys help plz**

The answer is one that you must learn for yourself my friend...
*October 22, 2012*

**Math/Management**

The answer is one that you must learn for yourself my friend...
*October 17, 2012*

**physics**

A dog runs 150{\rm m} away from its master in a straight line in 8.4{\rm s} , and then runs halfway back in one-third the time.Calculate its average speed,average velocity?
*October 7, 2012*

**Math**

5.5 in long and 3.2 in wide must enlarge so that both dimensions are 1.8 times greater
*September 18, 2012*

**physics**

On Planet Y, the value of g is 12 m/s/s. If the human weighs 685 N on this planet, then how much woud he weigh on earth?
*September 12, 2012*

**Math**

If john must have a mark of 80% to past a test of 35 items, the number of items he may miss and still pass the test is
*September 2, 2012*

**Physics**

The leader of a bicycle race is traveling with a constant velocity of +11.9 m/s and is 10.7 m ahead of the second-place cyclist. The second-place cyclist has a velocity of +9.10 m/s and an acceleration of +1.20 m/s2. How much time elapses before he catches the leader?
*August 27, 2012*

**Math**

The grocery store sells kumquats for $4.25 a pound and Asian pears for $2.25 a pound. Write an equation in standard form for the weights of kumquats k and Asian pears p that a customer could buy with $18.
*August 3, 2012*

**Math ( Can You check my Work?)**

1.an = 3n - 1 2. an = 2(2n - 3) 3.an = 4^n 4.an = (2/3)^n 5. an = (-1)^n(n + 5) 6. an = (-1)^n + 1(n + 6) 7. an= n+3/2n-1 8. a1 = -5 and an = an-1 - 3 for n ≥ 2 9. a1 = -6 and an = -2an-1 for n ≥ 2 10.a1 = 4 and an = 3an-1 + 2 for n ≥ 2 11. Find a8 when a1...
*August 1, 2012*

**math**

A radio transmission tower is 170 feet tall. How long should a guy wire be if it is to be attached 7 feet from the top and is to make an angle of 30° with the ground? Give your answer to the nearest tenth of a foot
*July 28, 2012*

**Math ( i just need these two to finish my workshet**

Show the solutions of 1. If a = 4, b = 3, and A = 36o. 2. If a = 3, b = 4, and A = 48.59o Finding a "solution" means solving for all missing sides and angle measures in each triangle.)
*July 28, 2012*

**readings in world civilization**

The answer is one that you must learn for yourself my friend...
*July 26, 2012*

**Math i dont understand**

Window: [-4π , 4π , 1] [-10,10,1] State the Period, Amplitude, Phase Shift, Vertical Shift and Equation in cosine for #5 Number five is a graph is there a way i can show u it i think its valuable for the help on this question
*July 21, 2012*

**Math ( I Dont understand)**

A Amplitude: Maximum y-coordinate – minimum y-coordinate divided by 2 ( Max y – Min y)/2 B Adjustment for period change: B = 2 Period π C Phase shift: Right or left x - transformation D Vertical shift: Maximum y-coordinate + minimum coordinate divided by 2 ( Max...
*July 21, 2012*

**Math ( I Dont understand)**

f(x) = A sin(B(x - C)) + D or f(x) = A cos(B(x - C)) + D thats the equation
*July 21, 2012*

**Math ( I Dont understand)**

State the Period, Amplitude, Phase Shift, Vertical Shift, and equation (using cosine
*July 21, 2012*

**Math**

an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n - 3) Answer -6, -2, 2, 6 -1, 1, 3, 5 -2, -4, -6, -8 -2, 2, 6, 10 3 points Question 3 Write the first ...
*July 17, 2012*

**Math**

In 1983, the population of Functionville was 2560, and it tripled in 6 years. a. Write an exponential model for the population of Functionville t years after 1983. b. According to your model, it what year had the population grown to 7 times its size?
*July 15, 2012*

**Math**

Use the compound interest formulas A = P(1 + r/n)nt and A = Pe^rt to solve. Find the accumulated value of an investment of $3000 at 9% compounded continuously for 3 years.
*July 15, 2012*

**Math please help with these word problems i have**

thank yall so much
*July 13, 2012*

**Math please help with these word problems i have**

1.360pie *2r 2.Area+4L 3.4x(4s) 4.f=M+A 5.P(u) 6. x=3.95*x 7. 13.45*Fbs 8. x*2yz/72 9. L/20f+W 10. 2x(2x+2)=W 11. ? 12. ? Sorry i suck at these
*July 13, 2012*

**Math please help with these word problems i have**

1. The circumference of a circle is the product of the number π and twice the radius. 2. The area of a square is the square of the length of a side. 3. The perimeter of a square is four times the length of a side. 4. Force equals the product of mass and acceleration. 5. ...
*July 13, 2012*

**Math PLEASE HELP PLEASE PLEASE PLEASE**

Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n - 3) Answer -6, -2, ...
*July 10, 2012*

**CRITICAL THINKING**

What are your thoughts about overthinking and under thinking?
*July 8, 2012*

**Math**

Why is the asymptote of the function in Example #1 y=2 ? ( y = 4x+3 + 2 )
*July 7, 2012*

**Math**

f(x) = (x - 0.6)2 + .66. turn into h/k form what is the quadratic regression equation using your calculator
*July 7, 2012*

**ELECTRIC APPLIANCE TOOLS AND TESTERS**

An important safety precaution you should take before starting any electrical servicing job is to make sure that your
*July 6, 2012*

**Math**

Among all pairs of numbers whose difference is 88, find a pair whose product is as small as possible.
*July 5, 2012*

**Math**

In one U.S. city, the quadratic function models the median, or average, age, y, at which men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to...
*July 5, 2012*

**Math**

A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 344 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed?
*July 5, 2012*

**Math**

farmer wants to enclose his pasture which is bordered by a river. If he uses 750 feet of fencing on three sides of the field, what is the largest area he can enclose?
*July 5, 2012*

**physics**

in a hypothetical thermometer, the freezing point of water is marked as -10 and the boiling point is marked at 70. What would be the reading if this thermometer is used to measure the temperature of 50 degree water?
*June 17, 2012*

**physics**

i completely drew a blank on the equation.....so easy Damon...thanks for your help Answer is 6250 cal?
*June 17, 2012*

**physics**

got 22 degrees celsius for the last answer from Damon. Another question is ......How much heat is needed to raise the temperature of a 500g object with specific heat capacity 0.5 cal/g c by 25 degrees?
*June 17, 2012*

**physics**

what is the equilibrium temperature if 100 grams of water at 20 degrees celsius is added to 50 grams of water at 62 degrees celsius in an insulated container of negligible mass?
*June 17, 2012*

**algebra**

Of the two fractions 15/21 and 19/17 which is smaller? I think its 19/17 but need someone to double check please.
*May 30, 2012*

**algebra**

Convert the fraction 8/17 to a decimal. Can you show me how to do this?
*May 30, 2012*

**geometry**

Find the surface area and the volume of a sphere whose radius equals 4?
*May 15, 2012*

**math**

80
*May 15, 2012*

**math**

If you toss a coin three times in a row, what is the probability of getting a head, a tail, and then a head? 1/2*1/2*1/2= 0.125 ????
*April 26, 2012*

**A level, Mechanics**

An object of mass 100 kg is suspended by two identical cables. The tension in cable one is (400i + 300j)N, where i and j are horizontal and vertical unit vectors respectively. The tension in cable two is (pi + qj)N. If the object remain at rest, find p and q
*April 19, 2012*

**math**

A cable weighing 2 lb/ft is 16 ft long. If a 20-lb weight is attached to the end, find the work done in winding up the chain.
*April 18, 2012*

**grade 6 math**

how many rectangles can have the perimiter of 46m
*April 16, 2012*

**economics**

what is the answer to this????
*April 16, 2012*

**College Physics 2056**

Figured it out. E/SA=t 1000/[(2.38e14*B^2)*(Area)]= t
*April 8, 2012*

**College Physics 2056**

An electromagnetic wave strikes a 3.00-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is determined to be 6.00 10-4 T. How long does it take for the wave to deliver 1000 J of energy to the wall?
*April 8, 2012*

**6th G Math**

Find the area of one rectangle flag. 7in x 8in = ? Divide the area by 2 (because half of the flag is white, the other half is red) That is the area of one white triangle. You need 100 flags so multiply that number by 100. _____ in^2 of fabric
*April 7, 2012*

**health**

all of the following conditions were responsible for the majority of premature deaths in the early 1900's except
*April 7, 2012*

**english**

the snow is so deep mean?
*April 7, 2012*

**english**

what is the personification of this sentence The wind whispered through the dark and gloomy forest.
*April 6, 2012*

**AQA Mechanics (M1), Statics and forces, please hel**

A particle of weight W is attached by a light inextensible string of length a to a point A on a verticle wall. The particle is supported in equilbrium by a light rigid strut of length b attached to a point B on the wall at a distance a vertically below A. Show that the tension...
*April 1, 2012*

**grammar**

Apa MLA Supposed Their
*March 30, 2012*

**chemistry**

72.97
*March 26, 2012*

**M1, Mechanics **

A particle of mass 4kg is suspended from a point A on a vertical wall by means of a light inextensible string of length 130cm.A horizontal force P, is applied to the particle so that it is held in equilibrium a distance of 50cm from the wall. Find the value of P and the ...
*March 19, 2012*

**HVAC**

Why must all valves be open when an evacuation is performed?
*March 18, 2012*

**Chemistry**

How many electrons are in oxide and in oxygen
*March 14, 2012*

**math**

Find the coordinates of the x-intercept. 2x + y = -6
*March 11, 2012*

**American Government**

its 3
*March 5, 2012*

**math**

A pie chart of total number of students in a school has a sector 35degree representing 14students.how many students are there in the school altogether?
*February 24, 2012*

**chemistry**

Thank you I been trying to really get the first three I think I figured out the rest through your help thanks.
*February 11, 2012*

**chemistry**

Calculate the following: (a) mass of water in the hydrate sample (g): (b) number of moles of water in the sample: (c) mass of pure salt in the sample (g): (d) number of moles of salt in the sample: (e) molar ratio of water to salt in the sample: If the mass of the empty ...
*February 11, 2012*

**algebra**

A taxi driver charges a flat rate of $3.00 and $0.08 per mile traveled
*February 11, 2012*

**math at**

Mary has read 1/3 of a 240-page book. How many pages does she still have to read to finish the book? What percent of the book does she still have to read?
*February 9, 2012*

**budgeting**

Throw out the high and low values and average the remaining factors
*February 8, 2012*

**Medical Terminology**

Why is it so important to know terms that are associated with all of thedifferent body systems even if you were to only work with onesystem?
*February 6, 2012*

**vocabulary**

need root or base word
*February 5, 2012*

**vocabulary**

levity
*February 5, 2012*

**vocabulary**

when would you not use it
*February 5, 2012*

**vocabulary**

it doesn't have the root word
*February 5, 2012*

**vocabulary**

answer each question based on your understanding of the boldfaced vocabulary what are some situation when levity is out of place
*February 5, 2012*

**vocab**

whats the root or base word of rebellious,belligerent, doctrine, document, levity, levitate, initiative, itinerary, impulsive, compel
*February 5, 2012*

**Chemistry**

Please help me with question #2: How do you determine if there is a linear relationship between NaCO3 used and CO2 produced?Discuss your results in terms of moles. Thank you!! Question #1 : 1. Record the amount of CO2 produced versus the amount of Na2CO3 used. Answer : 1.The ...
*January 20, 2012*

**Chemistry**

I would really appreciate it if someone would please help me out with this lab, Stoichiometry by Loss of CO2, from my 12th grade chemistry class. 1. This experiment requires you to do 7 trials with varying amounts of Na2CO2. 2. Take a clean 50 mL beaker from the Glassware ...
*January 19, 2012*

**Chemistry**

I would really appreciate it if someone would please help me out with this lab, Stoichiometry by Loss of CO2, from my 12th grade chemistry class. 1. This experiment requires you to do 7 trials with varying amounts of Na2CO2. 2. Take a clean 50 mL beaker from the Glassware ...
*January 19, 2012*

**4thGrade Math**

8.8 inches
*January 19, 2012*

**Chemistry**

Please help me with the questions at the end of this chemistry lab.Thank you for any help you can provide. 1. This experiment requires you to do 7 trials with varying amounts of Na©üCO©ý. 2. Take a clean 50 mL beaker from the Glassware shelf and place it ...
*January 19, 2012*

**geometry**

find the coordinates of the circumcenter of tringleABC A(3,-1),B(-2,-1),C(3,-8)
*January 13, 2012*

**Physics**

You are driving your car and the traffic light ahead turns red. you apply the breaks for 3.0 s, and the velocity of the care decrease for +4.5 m/s. if the cars deceleration has a magnitude of 2.7 m/s^2, what is the cars displacement during this time?
*January 11, 2012*

**Science**

You are driving you car and the traffic light ahead turns red. you apply the breaks for 3.0s, and the velocity of the care decrease for +45 m/s. if the cars deceleration has a magnitude of 2.7 m/s^2, what is the cars displacement during this time?
*January 10, 2012*

**Science**

What is the magnitude of the average acceleration of a skier who, starting from rest, reachers a speed of 8.0m/s when going down a slope for 5.0 s? how far does the skier travel in this time?
*January 10, 2012*

**Anthropology**

Whsy
*December 15, 2011*

**math**

Ken paid $8.50 for tickets an adult paid $2.00 more than a child how much does the adult pay
*December 1, 2011*