Monday
July 6, 2015

Posts by Jay


Total # Posts: 1,281

Physics
Your town is installing a fountain in the main square. If the water is to rise 14 m (45.9 feet) above the fountain, how much pressure must the water have as it moves slowly toward the nozzle that sprays it up into the air? Assume atmospheric pressure equal to 100,000 Pa.
April 29, 2013

Math
What is length of DF if DE and EF are equal and EF is 4 meters?
April 22, 2013

english
Hi Alyson, did you find the answer for your question?
April 16, 2013

catherine junior school
I have 9 Numbers which are -4, -3, -2, -1, 0, 1, 2, 3, 4 i have to put these in a 3 x 3 square grid. The numbers have to add up to one majic number. Is there a logical way to do this??????
April 13, 2013

Calculus
the measurement on one side of a right triangle is found to be 9.5 inches inches, and the angle opposite that side is 27 degrees,45' with a possible error of 15'. (round answers to two decimal places) a) Approximate the percent error in computing the length of the ...
April 5, 2013

MAth
the measurement on one side of a right triangle is found to be 9.5 inches inches, and the angle opposite that side is 27 degrees,45' with a possible error of 15'. (round answers to two decimal places) a) Approximate the percent error in computing the length of the ...
April 5, 2013

math
how much would adam have to deposit in a saving account to earn 100 dollars in interest over 4 years at 5% simple annual interest rate.
April 3, 2013

MAH
CHAD BUYS PEANUTS IN 2-POUND BAGS. HE REPACKAGES THEM INTO BAGS THAT HOLD 5/6 POUNDS OF PEANUTS. HOW MANY 2-POUND BAGS OF PENUTS SHOULD CHAD BUY SO THAT HE CAN FILL THE 5/6 POUND BAGS WITHOUT HAVING ANY PEANUTS LEFT OVER?
April 3, 2013

Math
What is the rotational symmetry as a fraction of a turn and the angle of the smallest turn of letter I
April 3, 2013

chemistry
a) 3 b) 1s^3 2s^3 2p^2 c) 12
April 2, 2013

Physics
A stone is thrown from the edge of a cliff into the ocean below. It is thrown somewhat upward, but mostly outward. The stone has a mass of 2.0kg and is thrown with a speed of 10m/s from an initial height of 5.0m above the ocean. A. What is the kinetic energy of the stone when ...
April 1, 2013

Physics
A stone is thrown from the edge of a cliff into the ocean below. It is thrown somewhat upward, but mostly outward. The stone has a mass of 2.0kg and is thrown with a speed of 10m/s from an initial height of 5.0m above the ocean. A. What is the kinetic energy of the stone when ...
April 1, 2013

7th Grade Social Studies
11. c 12. a 13.b 14. c 15. b 16. d 17. b
March 29, 2013

math
find three sets of values for x and y to make x mi/y min= 4 mi/ 32 a proportion.
March 18, 2013

math
find three sets of values for x and y to make x mi/y min= 4 mi/ 32 a proportion.
March 18, 2013

math
find three sets of values for x and y to make x mi/y min= 4 mi/ 32 a proportion.
March 18, 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

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

Quantum Physics
1.Provide a unitary that maps |+> to |1>and |-> to |0> . Enter 0 in all boxes if no such unitary exists. (In this case, you have to enter 0 explicitly. Blanks are not accepted.) 2.Provide a unitary that maps |+> to|0> and |-> to |+> . Enter 0 in all ...
March 12, 2013

math
5. Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $192 in interest after 2 years. How much money should he deposit?
March 9, 2013

LA
Who said " give me a pencil or give me death"?
March 7, 2013

Chemistry
4 2 3 4 2 1
March 7, 2013

corporate finance
asd
March 4, 2013

physics
did you get the answer pls?
March 4, 2013

science
are carbon particles and sugar an element, compound,solution, or heterogeneous mixture?
February 28, 2013

physics
Suppose that a qubit is in the state |φ〉 = a|0〉 + 1 − a2 |1〉 where a ∈ [−1, 1]. If we first perform a standard basis measurement on this qubit ...
February 18, 2013

physics
Consider the state |ψ〉 = √2 |0〉 + √2 |1〉 from the previous question. To estimate the phase θ, we measure |ψ〉 in the sign basis. What ...
February 18, 2013

chemistry
A compound with the percent composition shown below has a molar mass of 60.10g/mol. Find its molecular formula: C, 39.97% H, 13.41% N, 46.62%
February 15, 2013

Math
Tennis has 2 players,basketball 5 Fabio says that there are 3 times as many peoplein a basketball team as on a tennis team. Is he correct? Explain
February 14, 2013

Math
Alice and Finn roll two number cubes. Which of the following rules will make the game fair?
February 14, 2013

History
Is the Emancipation Proclamation an example of fact, opinion, propaganda, or bias?
February 13, 2013

physics
A 1-m-tall barrel is closed on top except for a thin pipe extending 5 m up from the top. When the barrel is filled with water up to the base of the pipe ( 1 m deep ). The water pressure on the bottom of the barrel is 10 kPa. What is the pressure on the bottom when water is ...
February 10, 2013

MAth
a garden 40 by 50 meters wide is to be surrounded by a 5 meter wide fence how is it that the side are now 50 by 60?
February 8, 2013

Biology
What is one negative effect of indirect artificial selection?
February 8, 2013

Math
The measures of two consecutive angles of a parallelogram are in the ratio 5:4. What is the measure of an acute angle of the parallelogram?
February 3, 2013

Trig
True or false? tan x = tan(x-6pi)
January 23, 2013

math
Let x=3 Evaluate if possible: -2x^2
January 18, 2013

math
800,000 800000+00000+0000+000+00+0
January 10, 2013

English
Hi. :) What do the speakers of Sir Thomas Wyatt's "Whoso List to Hunt" and Edmund Spenser's "Sonnet 30" have in common? How are they different?
January 7, 2013

Science
N2O5 gives 2NO2 plus 0.5 O2. Rate for first order reaction. K = 5 * 10/10000 R = 0.30 mol/liter after 40 min. What is the [C] of N2O5 and NO2 ?
December 28, 2012

physics
If I travel at 30.0 m/s in a straight line for 83.0 seconds how far will I travel?
December 20, 2012

ELA
”ignore these ”
December 18, 2012

ELA
Great works are performed, not by strength, but by perseverance.” -Samuel Johnson Have you ever wanted to give up on something before you even started? That’s how Raja felt as he squinted up at the looming mountain crowned in clouds. Then he looked back at the group ...
December 18, 2012

Math
Which of the following is equal to log6(t + 1) − log6(t^2 − 1)? A. log6t − log6t2 B. –log6(t − 1) C. log6t D. log6(t + 1)
December 14, 2012

Chemistry
How many grams of carbon dioxide can be obtained from the action of 100.0 g of sulfuric acid on 100.0 g of calcium carbonate?? I need helpim stuck!
December 13, 2012

science
Two point charges are placed on the x-axis a follows: charge q1= +4.00nC is located at x=0.200m, and charge q2= +5.oonC is at x=-0.300m. What are the magnitude and direction of the total force exerted by these two charges on a negative point charge q3= -6.00nC that is placed ...
December 13, 2012

math
a square has an area of 71 between what two whole numbers is the length of the side?
December 10, 2012

math
a square has an are of 121 what is the length of on of its sides?
December 10, 2012

Social Studies
Thanks Ms. Sue
December 7, 2012

Social Studies
I'm in grade 12... I doubt a question that asks the Pharaoh, who enforces religion, about 'cats and dogs' being sacred animals would be very appropriate. But thanks
December 7, 2012

Social Studies
Mostly general, but if you want to get into specifics, Menkaure (ruled from 2532-2503 BCE)
December 7, 2012

Social Studies
What questions would you ask a Pharaoh?
December 7, 2012

Chem
Arrange the different types of forces in order of increasing energy. Covelant, Hydrogen bonding, Ion Dipole, Dipole-Dipole, Induced Dipole, and Ionic Bonding
December 4, 2012

chemistry
i figured out the problem after i read it again
December 3, 2012

chemistry
A chemist must dilute of M aqueous magnesium fluoride solution until the concentration falls to M . He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in liters
December 3, 2012

accounting and taxes
I recently closed my retail business which was very small... I chose not to sell my equipment as I can still use it at home as a hobby for myself. What do I put as furniture and equipment sold on my BOE form? Do I have to buy the equipment from the business and if so how do I ...
December 3, 2012

accounting
Ihave recently closed my retail business. While operating I only expensed my items purchased for resale when they were sold. So my inventory is personally owned. What do I declare as ex-tax inventory now that my business is closed... $0?
December 3, 2012

Computers
need to put this into a diagram... case 1: purchase actors: salesperson, creditcard-system Purchase info is recorded into the creditcard-system by the salesperson case 2: complete sale actors: salesperson, creditcard-system The creditcard-system authorizes the purchase and ...
December 2, 2012

physics
Ball A, moving with an initial speed of 3 m/s, has a head-on collision with another ball B at rest, which is twice as massive as A . What are the final velocities of A and B if the collision is elastic?
December 2, 2012

Math
Simplify: (n+4)! / (n+3)! =?
November 30, 2012

earth space
What man made or natural features can interfere with the weather radar?
November 28, 2012

PHYSICS
COULD YOU FURTHER EXPLAIN HOW MANY BTU ARE REQUIRED TO RAISE THE TEMP OF500 GALLONS OF WATER FROM 70 DEGRESS TO 160 DEGREES FAHRENHIET
November 25, 2012

physics
coull you explain in detail - how many BTU,S ARE REQUIRED TO RAISE THE TEMPERATURE OF 500 GALLONS OF WATER FRO 70 DEGREES TO 160 DEGREES FARAHIENT. THANKS
November 25, 2012

Chemistry
7.47*10^3
November 22, 2012

Chemistry
Face Centered Cubic
November 22, 2012

math
what is the volume in cubic feet if you have a cylindrical object whic is 8' in diameter and is 16' feet long.? could you please show in detail how to figure this out? thank you
November 17, 2012

algebra
the length of a rectangle is 2 less than twice the width. the perimeter is 50. what is the length
November 15, 2012

algebra
the length of a rectangle is 2 less than twice the width. the perimeter is 50. what is the length
November 15, 2012

Math
Im trying to help my daughter with some math homework and Im stuck can you help me please this is the problem Jeremy has been home sick with the flu for the last 7 days. While absent from school, he got 31 get well cards from friends. there were 5 more cards from girls than ...
November 15, 2012

algebra
use the remainder theorem to find the remainder when P(x)=x^4-9x^3-5x^2-3x+4 is divided by x+3
November 12, 2012

algebra
write a polynomial in factored form x^3-3x^2-10x
November 12, 2012

engineering
how many btu's does it take to raise one pound of water at 32 degrees f to the boiling point at 14.7 psia and then to steam?
November 11, 2012

math
how many btu"s does it taketo raise onepound of water at 32 f to the boiling point at 14.7psia and then to staem.?
November 11, 2012

Chem
Potassium ferricyanide has an extinction coefficient of 1020 1/M*cm at 420 nm. The absorbance of a sample of unknown concentration at 420 nm is 0.4268. If the path length is 10 mm, determine the concentration of the sample
November 9, 2012

math
1.A red die and a blue die are tossed. What is the probability that the red die shows a 5 and the blue die shows an even number?
November 3, 2012

Psychology
Which statement best illustrates the idea that people adjust their behavior according to the gender schema theory? Choose one answer. a. Agnes tells her son that it is wrong to put makeup on his face and that boys don't wear dresses and skirts. b. Bart sees two doors in ...
November 1, 2012

physics
A uniform rod of mass M = 0.245kg and length L = 0.49m stands vertically on a horizontal table. It is released from rest to fall. (a) Calculate the angular speed of the rod, the vertical acceleration of the moving end of the rod, and the normal force exerted by the table on ...
October 30, 2012

math
how to solve this equation by inserting the brackets to make it a true statement -20+4x2+7-35 = -19
October 29, 2012

math
I have to insert brackets so that this equation is a true statement. I was able to solve the other 3 and could not get this one. Please help. Thanks -20 + 4 x 2 + 7 - 35 = -19
October 29, 2012

algebra
The table shows a meteorologists predicted temperatiures for an April day in Washington D.C. Use quadratic regression to find a quadratic model for this data. Use the 24 hour clock to represent times after noon). time predicted temperature(F) 8a.m. 50.68 10a.m. 62.24 12p.m. 69...
October 25, 2012

math
a rectangle is made of 9 tiles and has 3 tiles in each row. how many different number sentences can you write for this rectangle?
October 24, 2012

Intermidiate algebra
a woman ivests in two bank accounts, one with a 3% percent interest and the other paying 9% simple interest per year.She puts twice as much in the lower account. Her annual interest is 7110. How much did she invest in each account?
October 19, 2012

Help please!! History
its B
October 16, 2012

history
becouse it was still slaves after the rev happened
October 16, 2012

history
i dont get it then
October 16, 2012

history
After the Revolution, the practice of a.enslaving African Americans was b.eliminated in the North. [c].restricted in the North and the South. d.encouraged in the North. abolished in the South
October 16, 2012

english
Which of the following phrases best defines rhythm? Repeated sounds across lines of poetry a poem's cadence, pace, or ongoing momentum A collection of lines in a poem The regular of irregular rhyme scheme in a poem
October 16, 2012

NMR Organic Chemistry multiple choice
Why do we only see four peaks in the 1H NMR when we have five CH2 groups and 2 OH groups? Answer a. There should be more peaks, but they peaks are overlapping in the spectrum. b. Heptanedioic acid is a symmetrical molecule. c. Heptanedioic acid is a chiral molecule. d. ...
October 12, 2012

organic chemistry II lab NMR
Why do we only see four peaks in the 1H NMR when we have five CH2 groups and 2 OH groups? Answer a. There should be more peaks, but they peaks are overlapping in the spectrum. b. Heptanedioic acid is a symmetrical molecule. c. Heptanedioic acid is a chiral molecule. d. ...
October 12, 2012

physics
since its vector math you add the two vectors if they are in the same direction and subtract if they are pointing in opposite directions.
October 12, 2012

Math
The area of a rectangle is 20 square inches. The length of the rectangle is 1 inch longer than the width. What are the length and width of the rectangle?
October 10, 2012

math
allof it
October 6, 2012

math
I still do not understand
October 6, 2012

math
a pipe is 2" outside diameter and it as 3/16" walls. What isthe inside diameter. could you explain in detail . Thanks
October 6, 2012

math
The ratio of games jsy won to the number of games he lost is 5:2 he won 20 games. how many games did jay lose? show oe expain how you got your answer.
October 2, 2012

math
Please give me an algebraic expression for this problem jasmine has three times as many chores as her younger brother does
September 25, 2012

math
Lillian bought 16 yards of ribbon at the craft store she bought 2/3 of red how many yards of red she bought
September 19, 2012

Physics
Is basketball a streamlined object? What about a baseball? What object will not be considered streamlined
September 17, 2012

algebra
is this a relation? 1 3 2 6 13 15 14 4 the picture connects (1,6)(2,4)(13,15)(14,3) would the answer be no?
September 17, 2012

algebra
Please help the graph of g(x) is f(x) translated to the left 8 units and up 2 units what is the function rule for g(x) given f(x)=x^2. Can someone explain this to me. The I have a graph that has the top corner shaded the point is on 1 going off the side and the other line is ...
September 17, 2012

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