Monday
December 5, 2016

Posts by Jay

Total # Posts: 1,581

Stats
Each of 2 players, independently, play a game 5 times, with each game having probability of success 0.40. What is the standard deviation of the sum of the games they win
October 9, 2011

Physical science
A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?
October 6, 2011

physical science
A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?
October 6, 2011

Algebra 2
520.5 miles the equation should look something like this 23.95 + .1x= 76
October 1, 2011

physics
A 3.20 kg block is in equilibrium on an incline of 29.6 The acceleration of gravity is 9.81 m/s2 . What is Fn of the incline on the block? Answer in units of N
September 30, 2011

physics
A 22 kg box rests on the back of a truck. The coefficient of static friction between the box and the truck bed is 0.369. The acceleration of gravity is 9.81 m/s2 . What maximum acceleration can the truck have before the box slides backward
September 30, 2011

Physics
A 27.59 kg child is on a swing that hangs from 2.26-m-long chains. What is her maximum speed if she swings out a 48° angle?
September 29, 2011

Physics
a stone is thrown horizontally from the edge of the cliff with speed of 18m/sec. Cliff is 50 meters high
September 20, 2011

Spanish
Mi abuela y yo ______________ en baton rouge. Kiara ___________________ en la clase. Yo _____________________ hablando. Ella _____________________ durmiendo. Cody, Justino, y Roberto __________________ felices.
September 20, 2011

geomtry
when two planes intersect, their intersection is a:
September 19, 2011

Math
344.80 spebds of it 3/4
September 15, 2011

math
polynomials (8m + 7) (2m +3)
September 13, 2011

algerbra 2
-3x(squared 2)-6x=0
September 12, 2011

probability
A set of five marbles is selected (without replacement) from a bag that contains 4 blue marbles, 3 green marbles, 6 yellow marbles, and 7 white marbles. How many sets of five marbles contain no more than two yellow ones?
September 11, 2011

History
but it shoes multiple choice and it has the regions but in numbers and the only one that was on east africa was 6 but it wasn't in the answer choices
September 9, 2011

History
Thats Exactly What I Put And They Said I Was Wrong
September 9, 2011

History
The Earliest Remains Of Hominid Ansestor Of Human Have Been Found In Which Region.? Anyone Could Answer This
September 9, 2011

math
I have a few other problems that I can't seem to understand... Question: Rounded to the nearest ten. I am 12,750. I am a multiple of 2. I use only 4 different number's in my 5 places... :-o
September 5, 2011

math
I am so sorry, but I am still confused especially when I read the last part of the problem... The number in my ones place is 1 less than the number in my tens place...
September 5, 2011

math
I am getting so confused with my math problems... Can you help me please?... The question is - Rounded to the nearest ten I am 800. I am not odd. All of my places have a value greater than 0. The number in my ones place is 1 less than the number in my tens place...
September 5, 2011

English
help me pleasee.
September 4, 2011

math
i am taking a job related test with many math sections. I am long out of school and need some tutorials as well as practice questions and answers. The topics are as follows: -multiplication and division of fractions and mixed numbers -calculating percentages -calculating ...
September 3, 2011

math
I am taking a job related test consisting of several math sections. I have been out of school for quite some time and am looking to find the easiest place to get tips and tutorials to solve these questions. The topics are as follows: multiplication and division of fractions ...
September 3, 2011

homelandsecurity
• Prepare a report that discusses the positive aspects of this action and the potential hazards
September 1, 2011

English
make parallel
August 30, 2011

English
i am both a quick worker and careful
August 30, 2011

geometry
The height of triangle ACE is 12 and base AE=20. A rectangle is inscribed in triangle ACE as shown in the diagram a) express the rectangle's area as a function of x and y b)Use the fact that triangle ACE is similar to BCD to write y as a function of x. c)express the ...
August 30, 2011

Math
Find the ldc for the fraction -11/245, 13/175
August 27, 2011

Algebra
Solve for u -29 + -4 + 5u
August 27, 2011

Math
Is the answer to this problem 12 pounds? A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long? My work: 6/12=6/x
August 22, 2011

Math
What is the solution to the problem: 2^103+ 2^103 +2^103 +2^103?
August 22, 2011

math
what would it be if i had 8x = 10
August 9, 2011

math
how do I solve this following problem step by step. 8/x = 10
August 9, 2011

geometry
Determine whether or not the given side lengths will form a right triangle.15, 11, and 2 radical 26.
July 28, 2011

Math
The difference between two positive number is 72 and one of them is divided by the other, the quotient is 4.Find those numbers. Option: a) 22&94 b) 24&96 c) 20&92 d) 30&102
July 25, 2011

algebra II
use the properties of logarithms for the expression. 5^log5(7x)
July 17, 2011

algebra II logarithms
f(x)=log4 (x)+3 how could i get this so i could graph it?
July 17, 2011

math
what is the definition of area of circle formular.
July 17, 2011

algebra 2
The pH of a solution is given by the formula pH = -log H+ , where H+ is the concentration of hydrogen ions in moles per liter in the solution. Use this formula to solve the problem. Round answer to one decimal place if necessary. Find the pH of a sample of lake water whose [H...
July 14, 2011

Algebra 2 logarithms
Use the properties of logarithms to evaluate the expression. 1. 5^log(7x) 2. 10^x + 2 log(x)=x+2 or log(x)=x-2 ????
July 14, 2011

physics
12.5
July 13, 2011

math
what isthe area of a 8 inch circle?? what are the calculations. ???
July 3, 2011

rapping>???
what does it mean when they say i came down with a chip on shoulder
June 27, 2011

English
its ok i corrected it and got a 100 all i have to do is take my finale exam and im finish with this school thank you guys so much for helping me out alot
June 23, 2011

English
nope idk you just confused me even more
June 23, 2011

English
no but can you Check My answers please
June 23, 2011

English
ok i got nothing,impress.learning,pretending,differently,second,share, and gain
June 23, 2011

English
alright please do when i finsih
June 23, 2011

English
According to Kubler Ross, The lessons that dying people teach espically valuable . dying people can look back honestly, because they have ------ to ----- by ------ or trying to -------- anyone -------. They only want to thinking about how they would do things ------- if they ...
June 23, 2011

reading
According to Kubler Ross, The lessons that dying people teach espically valuable . dying people can look back honestly, because they have ------ to ----- by ------ or trying to -------- anyone -------. They only want to thinking about how they would do things ------- if they ...
June 23, 2011

science
when water is turn into steam it expands or contacts many times or both ??? i need help with this question
June 19, 2011

reading
Examine the evidence of the Earth's shape. The sharp horizon at first suggests a flat Earth with an edge. But as you walk toward the horizon, the "edge" recedes ahead of you, implying that the Earth's surface is curved. Look also at a ship sailing out to sea...
June 14, 2011

Science
I need an Acrostic poem for the word science
June 10, 2011

calculus(equating coefficients)
Can somebody explain to me why equating coefficients work? Example: 8x^3+13x = Ax^3 + 2Ax + Bx^2 + 2B + Cx + D expanded into: 8x^3 + 13x = Ax^3 + Bx^2 + (2A+C)x + 2(B+D) where A,B,C,D are constants. Why does 8 = A; 0 = B; 13 = 2A + C; etc. I know they have same power variables...
June 6, 2011

Math Deadline Approaching: Please Help
Thanks....
June 6, 2011

Deadline Approaching: Please Help
SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most 10 cups of trail mix, using all the ingredients. You want each ...
June 6, 2011

Math
What is the proper constraint for this: "You want each of the ingredients to contribute at least 10% of the total volume of the mix made."
June 6, 2011

Math
I have the objective, I just need the constraints. If you can please list all of the constraints. The constraint that is stumping me is the one where I have to show 10% of the total. Thanks!!!!!
June 6, 2011

Math
MathMate - I'm still confused, please see below. Thanks!! SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most ...
June 6, 2011

Math
MathMate, Sorry.. still confused. I set up the constraints as x1>1, x2>1, x3>1, x4>1 but I'm not getting the answer. Are those contraints correct or is there another way to write it?
June 4, 2011

Math
SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most 10 cups of trail mix, using all the ingredients. You want each ...
June 4, 2011

math
a drum with a 24'' od has a circumference of _''. ????
June 4, 2011

math
6 cu ft contain_ cu in.???
June 4, 2011

math
18.84
June 4, 2011

math
985.96 is this correct
June 4, 2011

math
the volume of a tank that is 2'- 0'' in diameter and 6' -0'' long is _ cu ft. ???? please help
June 4, 2011

math
a 31'' diameter circle has an are of _ sq ft.????
June 3, 2011

math
96 cu in. is this correct
June 3, 2011

math
the volume of a container that is 8'' long , 4 '' deep, and 3'' high is _ cu in. ???
June 3, 2011

math
754.385 is this correct
June 3, 2011

math
a 31'' diameter circle has an area of _ sq ft. ???
June 3, 2011

math
the radius of a13.5' diameter circle is _ ' ???
May 29, 2011

english / laungage
3. C 4.d 5.c
May 24, 2011

trig
Find the angle between 0 and 2pi that is coterminal with negative one half pi; expressing the answer in radians in terms of pi.
May 19, 2011

Teacher aide
According to the SMCR model, problems in communication can arise when there is
May 19, 2011

Chemistry
its not 21.3 nor 10.7
May 16, 2011

Chemistry
correct it is 0.84 goodluck cuz i had to trust this answer and it was right.
May 16, 2011

math
answer in simplest radical form. sin 90 degrees
May 14, 2011

math
answer in simplest radical form. sin 90 degrees
May 14, 2011

math
A coin is tossed four times. Find the probability of each of the following: P(exactly 1 head) I know we have to use to this formula p(x=0)=nCk(p)^k(1-p)^n-k How do you find P? if n=4
May 11, 2011

grammar
fire can be either friendly or a foe, depending on the situation. make parallel
May 10, 2011

Chemistry
Choose the two half-reactions from a table of standard reduction potentials that most closely approximate the reaction that occur within the battery (Pacemaker). What is the standard voltage generated by a cell operating with these half-reactions? (i got +3.85V). The actual ...
May 7, 2011

Chemistry
Thank you so much
May 7, 2011

Chemistry
What is the half-cell reactions in a hydrogen fuel cell, and calculate the standard voltage at 25°C H2(g)+ O2(g)------>2H2O(l)
May 7, 2011

Chemistry
Choose the two half-reactions from a table of standard reduction potentials that most closely approximate the reaction that occur within the battery. What is the standard voltage generated by a cell operating with these half-reactions? 2Li(s) + Ag2CrO4(s) --------> Li2CrO4(...
May 7, 2011

Chemistry
Heart pacemakers are often powered by lithium-silver chromate “button” batteries. The overall cell reaction is: 2Li(s) + Ag2CrO4(s) --------> Li2CrO4(s) + 2Ag(s) Lithium metal is the reactant at one of the electrodes of the battery. Is it the anode or the cathode?
May 7, 2011

Chemistry
Thank you very much. This helps a great deal
May 7, 2011

Chemistry
Explain with values and reactions from standard reduction potentials tables why neither gold (I) nor gold (III) not to mention the base metal itself, tarnishes (that is can be oxidized by exposure to air)
May 7, 2011

Chemistry
How much time in years (assume a 365 day yr) would it take for a 1.6678g sample of 239Np to decay to a mass of 0.8671g if it has a half life of 2.030*10^5s
May 6, 2011

Chemistry
How much energy in KJ is release to form one mole of 123Sb from protons and neutrons if the atom has a mass of 122.90422 amu? Please remember to include the mass of electrons in calculations.
May 6, 2011

Chemistry
A rock containing 238U and 206Pb was examined to determine its appropriate age. The molar ratio of 206Pb to 238U was 0.1462. Assuming no lead was originally present and that all lead formed remained in the rock. What is the age of the rock in years? The half life of 238U is 4....
May 6, 2011

Statistics
Hi I am a college student in wireless technology but am only very sketchy on statistics. I'm am trying to write a program to tell me if activity is unusual. I can read the activity of a person from a motion detector from day to day i.e. mon activity - 250 times tues - 300 ...
May 6, 2011

geometry
Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)?
May 4, 2011

math
16 = 16x^2 - 64x + 64 0 = 16x^2 - 64x + 64 - 16 (using quadratic formula) x= 3 or x =1
May 3, 2011

Math
Anyone help?
May 2, 2011

Math
What other post?
May 2, 2011

Math
Can someone guide me with this question? Four teachers and five students have volunteered to serve on the school's fundraising committee, which is chaired by the principal. The principal wishes to select the committee using a random draw. He places each person's name ...
May 2, 2011

Math
Should I create a grid 6 by 5? :S
April 27, 2011

Math
faizel wants to travel from his house to the hardware store that is six blocks east and five blocks south of his home. If he walks east and south, how many different different routes can he follow from his house to the store? Can somebody help me setup this question? I don'...
April 27, 2011

Math
Find the instantaneous rate of change for the function at the given value. f(x)=x^2+2x at x=-4
April 27, 2011

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