Thursday
October 30, 2014

Posts by tony


Total # Posts: 808

maths
perpendicular avenue is perpendicular to tangent street and passes through D(17,8).find its equation
March 29, 2013

English
The a in the word saving sounds like A. Ape B. pat C. Heated D. Naughty Is it a
March 26, 2013

statistics
I did not change names I have two children in college and they had different questions ask before you blame
March 17, 2013

statistics
The average age of a vehicle registered in the United States is 8 years, or 96 months. Assume the standard deviation is 16 months. If a random sample of a group of 48 vehicles is selected find the probability that the mean of the group’s age is between 90 and 100 months.
March 17, 2013

statistics
The amount that airlines speed on food per passenger is normally distributed with means $8.00 and standard deviation $2.00. What is the probability that a randomly selected airline spends more than $12.50?
March 17, 2013

Program Logic Design
The Chocolate Delights Candy Company needs to add the following functionality to its cash register: When a customer is checking out, the cash register needs to store the required data pertaining to each item the customer is buying. This data includes the item name, the price ...
March 13, 2013

Quantum Physics
Alice and Bob share a state a| + +> + b |- -> , where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants his qubit to end up in the state a |0> + b |1&...
March 12, 2013

Calculus
Evaluate  [double intergal (R xy dA)] , where R is the region bounded by x^2 +y^2 <=16 , x>=0 and y>=0
March 12, 2013

Integrals
Evaluate è R xy dA , where R is the region bounded by x^2 +y^2 <=16 , x>=0 and y>=0
March 12, 2013

Geometry
ABC is a triangle with area equal to 20 . The incircle of triangle ABC has radius equal to 2 and the circumcircle of triangle ABC has radius equal to 6 . If sinA+sinB+sinC=a/b , where a and b are coprime positive integers, what is the value of a+b ?
March 11, 2013

Geometry
ƒ¡ is a circle with center O . A and B are points on ƒ¡ such that the sector AOB has perimeter 40 . What is the measure of ÚAOB (in radians) when the area of the sector AOB is maximized
March 11, 2013

Trigonometry
Let è be the angle between the x-axis and the line connecting the origin O(0,0) and the point P(−3,−4) , where 180<è<270. Given that sinè+cosè+tanè=−a/b, where a and b are coprime positive integers. What is the value ...
March 11, 2013

MEchanics M-1 (Velovity time graphs)
A dragonfly, at rest on a bullrush, decides to fly to a second bullrush 18 m away. It accelerates uniformly to a speed of. 5 m s-1, then immediately decelerates uniformly to rest on the second bulrish. Howlong the journey took?
March 9, 2013

Physics
We use a wrench to turn nuts on bolts because they require less force. Consider a hexagonal nut 1 cm in diameter. We can tighten this nut with one of two wrenches, wrench A with lever arm 10 cm and wrench B with lever arm 20 cm. Both wrenches have a very small mass, so you may...
March 6, 2013

Trigonometry
Let S be the sum of all the possible values of sin x that satisfy the following equation: 5-2cos^2(x)-7sin(x) = 0 S can be written as a/b, where a and b are coprime positive integers. What is the value of a + b?
March 6, 2013

Calculus
The location of a dot P at a given time t in the x-y plane is given by (x,y) = (t - sin t, 1 - cos t). What is the distance traveled by P in the interval 0 <= t <= 2pi
March 6, 2013

algera 1A
I thought the formula i was suppose to use is y2-y1 x2-x1 which equals to (-15,- -11)and(-20,- -2) Then I got -4/-18 which equals to -2/-9
March 5, 2013

algera 1A
find the slope, if it exists,of the line containing the pair of the points. (-2,-11) and (-20,-15). I came up with (-2,-9)is this correct?
March 5, 2013

algebra 1A
correction the pair are (-2,-11) and (-20,-15).
March 5, 2013

algebra 1A
find the slope, if it exists,of the line containing the pair of the points. (-2,-1) and (-20,-15).
March 5, 2013

fractions
stupid and thanks you a******
February 26, 2013

Math
a+p =5 p 11/4 >a
February 24, 2013

Math
2k+7=5k-k
February 19, 2013

Math
2k+7=5k-k
February 19, 2013

Physics
In order to measure the length of a long flourescent ceiling lamp, a student makes a very small hole in a piece of paper, holds the paper above the floor, measures the distance between the hole and the floor, and finally measures the length of the light's image on the ...
February 16, 2013

Help please edu.
Young children with autism: A. Will never talk B. relate to people differently than typical children do C. get along better with older children D. like changes in their routine I think B am I correct
February 14, 2013

Phsics
What is the terminal speed for an 77.0kg skier going down a 44.0 degrees snow-covered slope on wooden skis uk= 0.060? Assume that the skier is 1.70m tall and 0.300m wide.
February 14, 2013

Algebra 1- Math
The sum of a smaller number and twice a larger number is 67. If the smaller number is increased by 5, the sum will equal the larger number. Find the numbers. A rectangles width is four more than twice its length. Its perimeter is 62. Find the dimension of the rectangle?
February 6, 2013

Algebra 1- Math
how do u solve 3x=y-5
February 6, 2013

Algebra 1- Math
what has the same slope but different y-intercept?
February 6, 2013

Math
Now-Next minus a negative 2
February 5, 2013

Algebra 1- Math
Can anyone please show me and explain how to solve 9x+2=3y? Thanks,Bye.
February 5, 2013

Physics
6.7²/(2g) + 9.1 = 11.39 m b) t = 2√[2H/g] = 3.05 sec; X = 6.6*t = 20.125 m c) Vf = (6.6i - 6.7j) m/s d) Θ = arctan[j/i] = arctan[-6.7/6.6] = -45.43°
February 5, 2013

science
The Sun.
February 5, 2013

physics
acceleration = force / mass A = 500/ 2000 a = 0.25 m/s/s
February 5, 2013

physics
calculate the acceleration of a 2000-kg single air plane just before takeoff when the thrust of its engine is 500 N
February 5, 2013

physics
A compact car, mass 875 kg, moving south at 16 m/s, is struck by a full-sized car, mass 1660 kg, moving east at 12 m/s. The two cars stick together, and momentum is conserved in the collision. The wreck skids along the ground and comes to a stop. The coefficient of kinetic ...
February 4, 2013

chemistry
1.00 g zinc and 0.80 g sulfur are allowed to react all the zinc is used up 1.50 g of zinc sulfide is formed and some unreacted sulfur remains what is the mass of unreacted sulfur
February 3, 2013

Help please
Number the items to show the most effective and the least effective to use to scratch the mineral to test its hardness. Use number 1 for the most effective and the 4 for the least efective. Chalk(1) Fingernail(2) Steel screw(4) Paper clip(3) Am I correct????
January 28, 2013

Help please
According to the textbook,an individual's most. Important decision that will effect the climate is: a. The choice to unplug an extra freezer that is rarely used b. looking for the energy star on new appliances c. Selecting a fuel efficient automobile d. Planting a tree I ...
January 18, 2013

math
if jay eats 1/3 of jelly beans and jack 1/4 of the jelly bean leveing bill with 10 jelly bean how many were there to start with
January 18, 2013

Probability PLEASE CHECK
What is the probability of a game being sold if 18,980,000 of that title was sold out of a total 68320,000 different video games Is it 19,989,000/68320,000 1890/6832 = 27.77% rounded to nearest tenth
January 9, 2013

Math-truth table, please check my work!
p -> ~q , p -> q Are these Equivalent statements? This is my try. Please let me know if these truth tables are correct. p -> ~q p q p -> ~q p q p -> q T T T T T T T F T T F F F T F F T F F F T F F T The statements are not equivalent.
January 9, 2013

Math-Syllogism valid?
Some snakes are poisonous. A rattlesnake is a snake. Therefore: a rattlesnake is poisonous. Is syllogism valid or invalid?
January 8, 2013

math-Tiling a room
How much does it cost to tile a room that is 420 sqft if the tiles used are 1 foot on a side and cost $0.95?
January 8, 2013

statistics-expected value
100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is the expected value of her ticket? What is the fair value of a ticket?
January 8, 2013

math
100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation? What is the fair value of a ticket?
January 8, 2013

math
4y X 4y = 16y squared
January 8, 2013

math - expected value and fair price
one hundred raffle tickets are sold for $3 each. one prize of $200 is to be rewarded.Lisa purchases one ticket. a- what is her expected value b- what is the fair price for a ticket?
January 7, 2013

Statistic- Average
A mean average of 60 on 6 exams is needed to pass a course. on his first 5 exams, Adam received grades of 46,73,73,63 and 70. If the lowest grade of the exams already taken is to be dropped, what grade must he receive on his last exam to get a C in the Course?
January 7, 2013

solve for x with inequality
(387-46)+x/6=> or = to 70 (341)+x = or > than 70
January 7, 2013

algebra
(387-46)+x/6=> or = to 70
January 7, 2013

statistics
A license plate is to have 3 digits followed by 2 uppercase letters. What is the number of different license plates possible if repetition of numbers and letters is not permitted?
January 7, 2013

statistics-?mean average with lowest number out?
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
January 7, 2013

statistics-?mean average with lowest number out?
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
January 7, 2013

math
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
January 7, 2013

math
how many different committees can be formed from 6 teachers and 31 students if the committee consists of 4 teachers and 4 students?
January 7, 2013

English I Speech
Can anyone tell me 3 reasons why fracking is either good or bad and 3 supporting details? Please, thank you It's urgent
December 24, 2012

English I Speech
Can anyone please share their idea of a strong, powerful hook, background information and thesis about fracking? Please this urgent. Be quick like your life depends on it.
December 24, 2012

Algebra 1- Math
At the ocean's surface the pressure is 1 atmosphere. At 66 feet below seal level, the pressure is 3 atmosphere. The Relationship between the pressure and the depth is linear. a. find the independent and dependent variable. b. create 2 ordered pairs. c. find the slope. d. ...
December 14, 2012

Algebra 1- Math
A software company started with 2 employees. In 6 months, the company had 14 employees. The number of employees increased at a steady rate. a. create 2 ordered pairs. b. find the slope. c. Interpret the meaning of the slope. d. Find the prediction equation.
December 14, 2012

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

Algebra
14
September 9, 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

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