Friday
December 2, 2016

# Posts by Jon

Total # Posts: 1,347

thomas middle such
what is the three digit mystery number? if it is less than 300. the tens digit is 5 more than the hundreds digit. the sum if the digits is 11. the hundreds digit is 3 less than the ones digit. the mystery number is
November 14, 2016

Maths
Two identical jars are filled with mixtures of water and vinegar in the ratios of 2 to 1 and 3 to 1 respectively. If both jars are emptied into another container then the ratio of water to vinegar in the resulting mixture is.
November 8, 2016

Algebra
Billy weighs 50lbs less then his brother together they weigh 210lbs what is the equation to figure out how much billy weighs
October 27, 2016

English
Roses and hydrangeas—which require more rainfall—do well in East Texas.
September 20, 2016

math
How many \$1 bills are the same as__________\$10 bills?________-
September 14, 2016

GEOMETRY
IF RAYAC BISECTS ANGLE DAB,AND ANGLE DAC =58,WHAT IS MOF ANGLE DAB?
August 17, 2016

math
In the SmallState Lottery, three white balls are drawn (at random) from twenty balls numbered 1 through 20, and a blue SuperBall is drawn (at random) from ten balls numbered 21 through 30. When you buy a ticket, you select three numbers from 1-20 and one number from 21-30. To ...
June 30, 2016

Trig
find the equation for the cosine function that has an amplitude of 3/5, a period of 3pi/2 and a y-intercept of 5.
May 3, 2016

Science
A 2 kg mass is hanging from a spring with a constant of 1500 N/m. The mass is pulled down a distance of 0.3 m and then released. If the specific heat capacity of the spring is 0.35 J/gK, the spring has a mass of 10 g and the initial temperature of the spring is 20 degrees ...
April 28, 2016

US History
You are correct with B, Brooke. Good job.
April 27, 2016

algebra 2
I see thanks for the help but what is the final equation? I had 1/2x^3-x.5x^2-9x+20
March 6, 2016

algebra 2
Question: Write the equation of a cubic function that has the x-intercepts of -4, 2, and 5 and passes through the point (6,20) My Answer: y = .5x^3-1.5x^2-9x+20 What I did: Put the x-intercepts and given point into stat plot (on calculator) then hit stat -> calc -> cubic...
March 6, 2016

Chemistry
0.0229 M
February 24, 2016

Physics
A 50 g sample of an unknown metal is heated to 90.0C. It is placed in a perfectly insulated container along with 100 g of water at an initial temperature of 20C. After a short time, the temperature of both the metal and water become equal at 25C. The specific heat of water is ...
February 14, 2016

math
A container was 1/2 filled when 200 ml of water was poured out it became 1/3 full find the capacity of the container in millimeters
February 12, 2016

Math
Don's pays his jimmy 2.00 per hour for the first hour. He plans to pay him double for the next six hours. How much would he earn at the end of six hours?
January 24, 2016

accounting
wat is the similarity between traditional costing and activity based costing?
January 16, 2016

calculus
A wire along 1 meter is divided into three parts . The first part is formed into a circle , the second part is formed into an equilateral triangle , and the third part is formed into a square . Determine the size of each section so that the total area of the three wake formed ...
January 8, 2016

Physics
Salt water is poured into a U tube until it stands 0.250 m high in each arm. Oil is then added slowly to one arm until the salt water in the other arm stands 0.300 m high. The free surface of the oil then stands at 0.321 m high. (the weight density of the salt water is 10,100N...
December 11, 2015

Mays
A Java book is comprised of two sections core and advanced Java in the ratio 7:3. How much of each type of content will be needed to make a book of 450 pages?
December 4, 2015

Therrell
When measuring distance 12 beads are Approxmately equal to 6 erasers. How many erasers are equal to 18 beads? How many beads equal to 42 erasers?
December 4, 2015

Mays high school
Mr. Jeff divided his money in the ratio 4:2 between Jon and jack. Jon got the smaller amount of 1,256. How much did jack receive?
December 4, 2015

Honors Chemistry
Predict Products and write balanced equation FeBr3 + 3Ba(0H)2
December 3, 2015

Kennedy
There are 28 classes at an elementary school. The school cafeteria needs 22 cartons of milk per class each day. Milk costs 25 cents per carton. How many cartons of milk does the manager need to order each day?
October 26, 2015

Math
How many numbers can be formed by multiplying some or all of the numbers 2,3,4,5,6,7,8? The answer is 48 but I don't know how to get there?
October 20, 2015

science
magma is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, and is expected to exist on other terrestrial planets. lava is the molten rock expelled by a volcano during an eruption and the resulting rock after ...
October 13, 2015

english
October 13, 2015

english
You want to determine how many rainfall will fall in a certain time period. You collect rain as they fall from the sky onto a piece of bucket with an area of t square meters. If you want to determine the rainfall count as accurate as possible, you should ideally: a. collect ...
October 13, 2015

english
You want to determine how many rainfall will fall in a certain time period. You collect rain as they fall from the sky onto a piece of bucket with an area of t square meters. If you want to determine the rainfall count as accurate as possible, you should ideally: a. collect ...
October 11, 2015

Physics
A certain car is capable of accelerating at a uniform rate of 0.83 m/s2 . What is the magnitude of the car’s displacement as it accelerates uniformly from a speed of 80 km/h to one of 92 km/h? Answer in units of m.
September 24, 2015

Science
If the specific heat of a marshmallow is 2 J/g, how much heat is given off when it cools from room temp (25C) to its liquid nitrogen bath. Weight of the marshmallow 7.4g
July 14, 2015

math conversion
convert from Chinese into American standard measurement; 1800 24Kg. Please,
June 21, 2015

Carmel
A memory card is one quarter full when 375 more pictures are taken it'll be two thirds full how many pictures can the memory card hold and how many pictures are on it?
June 16, 2015

physics
If a small planet were discovered whose orbital period was twice that of Earth, how many times farther from the Sun would this planet be?
May 9, 2015

Calc
621000
April 28, 2015

World History
What were social, political and economic causes of WWI?
April 23, 2015

Science
What is the momentum of a 2 kg rock moving at 3m/s?
April 14, 2015

Science
Describe the difference between the momentum between a tennis ball and a wrecking ball that is thrown at the same speed.
April 14, 2015

Math
Thank you for all your help (-:
April 12, 2015

Math
How do I solve this problem? 6C3 A. 120 B. 720 C. 20 D. 240 Is it 6*5*4*3*2*1
April 12, 2015

physics
An object is released from rest at an unknown height h above the ground. One second later a second object is released from rest at the same height. When the first object strikes the ground, the second is 20 m above the ground. What is the initial height h?
April 8, 2015

Math
A painter bought some paint for \$500. He paid \$x for each litre of paint. He accidentally spilt 5 liters of paint and sold the remainder of the psint for \$2/litre more than he paid for it. If he made a profit of \$40, find the amount he paid for each litre of paint.
March 18, 2015

FINANCE
Below is a list of account balances for Currie Hospital as of December 31, 2013. Prepare a balance sheet as of December 31, 2013, in proper form. (Hint: You will need to compute the net assets account. Assume that all net assets at the beginning of the year are unrestricted...
March 15, 2015

organic chem
nevermind I got it :)
March 12, 2015

organic chem
does 2,3 hexanediol have 2 stereocenters? I just wanna check that before i attempt to draw isomers
March 12, 2015

Chem NMR
this one is dealing with H NMR... The compound is N,N-dimethylacetamide. Why would there be 2 distinct peaks from the 2 Methyl groups attached to the Nitrogen atom? This would suggest they are in different environments, why?
March 12, 2015

CHEM NMR
this one is dealing with H NMR... The compound is N,N-dimethylacetamide. Why would there be 2 distinct peaks from the 2 Methyl groups attached to the Nitrogen atom? This would suggest they are in different environments, why?
March 11, 2015

Accounting
The GoodTaste Club collected recipes from members and published a cookbook entitled Eat 'Em Up. The book will sell for \$18 per copy. The chairwoman of the cookbook development committee estimated that the club needed to sell 14,600 books to break even on its \$87,600 ...
March 8, 2015

chemistry
1. You are given a mixture containing two compounds, A and B. Both compounds have a solubility of 1 g/ 100 mL of solvent at 20 °C and 16 g/ 100 mL of solvent at 100 °C. The sample is composed of 3.5 g of A and 10 g of B. At 100 °C the entire sample just dissolves ...
March 2, 2015

social studies
I have no idea just trying to help
March 2, 2015

social studies
what is the greatest challenge facing people in turkey as a result of its diversity? 1. Turks must protect their status as the largest ethnic group 2. Turks must encourage other to follow Turkish traditions 3. Kurds must struggle to keep their cultures alive 4. Kurds must ...
March 2, 2015

social studies
I have no idea just trying to help my nephew
March 2, 2015

art
an artist loved to work with smooth, flowing paint that has vibrant color. Know she has many months to finish a commission. Her best choice for a material would be: 1. tempera paint 2. oil paint 3. acrylic paint 4. watercolor'
February 17, 2015

Physics
A store sign of mass 4.57 kg is hung by two wires that each make an angle of θ = 40.7° with the ceiling.
February 13, 2015

social studies
How do people make up for water scarcity in the dry parts of Israel? 1. by building dams 2. by trading in oil 3. by using irrigation pipelines 4. by importing fresh water
February 10, 2015

math
A rock is thrown up in the air at 30 ft/second. It has height in feet given by H(t) = −16t 2 + 30t. When does the rock have a velocity equal 10 ft. per a second?
February 4, 2015

Math
Write in simplest form 4/7 divided by 5/8
February 4, 2015

chemistry
January 23, 2015

PHYSICS
A 1250 KG wrecking ball is lifted to a height of 12.7 m above its resting point . When the wrecking ball is released, its swings toward an abandoned building and makes an indentation of 43.7 cm in the wall. A) What is the potential energy of the wrecking ball at a height of 12...
January 22, 2015

Chemistry
As a purity check for industrial diamonds, a 22 - carat diamond (1 carat = 0.2g) is heated to 63 degrees C and immersed in 26g of water in a constant pressure calorimeter. The initial temperature of the water is 23 degrees C. Calculate the ΔT of the water and of the ...
January 12, 2015

Chemistry
2C2H2(g) + 3O2(g) 4CO(g) + 2H2O(g) What is delta G° for this reaction in J/mol? (T = 298.17 K)
January 12, 2015

Chemistry
Calculate the heat transferred when a 23 g of iron nail is cooled from 67oC to 20oC. The specific heat of iron is 0.45 J/goC.
January 12, 2015

Chemistry
A skillet made of Iron (Fe) weighing 1.8 kg is heated on a stove to a temperature of 202 degrees C. If the skillet is removed from the stove and allowed to cool to room temperature (21 degrees C), how much heat must be removed from the skillet. The specific heat of Iron is 0....
January 12, 2015

Chemistry
A current of 4.00 A is passed through a solution of AgNO3 for 1.00 hr. What mass of silver is deposited at the cathode? (In grams) Use Faraday's constant F = 9.65x10^4 C/mol
January 11, 2015

Chemistry
How long (in seconds) does it take to deposit 1.065e+001 g Zn on a steel gate when 2.375e+001 A are passed through a ZnSO4 solution?
January 11, 2015

Physics
A high fountain of water is located at the center of a circular pool as shown in the figure below. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 18.0 m. Next, the student stands at the edge of the pool and uses a ...
January 5, 2015

Science
Assume that you have 15ml of 2.5M potassium hydroxide but only have concentrated bottle of 16M strength. How would you obtain this
December 17, 2014

Science Help!
Is it triple or double
November 12, 2014

algebra
a train travels 600 miles from Los Angles to San Francisco traveling at a certain speed the return trip is made traveling 40 mph faster the return time is 4 less how fast was the train traveling in each direction?
October 19, 2014

Calculus
Solve the following e^-x (square root((3e^2x) - 5/4)) = e^x
September 29, 2014

physics
A football is kicked off with an initial speed of 65 ft/s at a projection angle of 45 degrees. A receiver on the goal line 63 yd away in the direction of the kick starts running to meet the ball at that instant. What must be his minimum speed (in feet/second) if he is to catch...
September 28, 2014

math
Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)
September 24, 2014

AP Chemistry
Form 300 mL of 0.25 M Copper 2 sulfate pentahydrate
September 17, 2014

Math
A waiter made \$120 in tips after waiting on 6 tables. What was the waiter's average tip per table?
September 12, 2014

Physics
A commuter backs her car out of her garage with a constant acceleration of 1.40 m/s2. (a) How long does it take her to reach a speed of 1.60 m/s? s (b) If she then brakes to a stop in 0.8 s, what is her (constant) deceleration? m/s2
September 10, 2014

math
4 ( which is the number of sides of a square) goes into 300 = 75
September 3, 2014

english
Which one of the following sentences includes a prepositional phrase? B. Terry and Rowena met Craig at the mall.
August 19, 2014

History
If you goto chapter 20 you can see how the lighter skinned Rosa and Jane treat Topsy and talk about darker slaves in general.
July 19, 2014

math
80% of the American population likes pizza. If 8 Americans are chosen at random, find the probability that 6 of them like pizza.
June 28, 2014

scienc
Mass of a bick
June 8, 2014

physics
With a magnetic field perpendicular to a single 13.2 cm diameter circular loop of copper wire decreases uniformly from .670 T to zero. If the wire is 2.25 mm in diameter how much charge moves past a point in the coil during this operation?
April 28, 2014

Chemistry
Would x equal .114?
April 16, 2014

Chemistry
Thank you, but I have one more question. In your solution, wouldn't the equilibrium constant equation be [HI]^2 / [H2][I2] Wouldn't HI be the product and H2 and I2 be the reactants?
April 16, 2014

Chemistry
An equilibrium mixture in a 10.0 L flask contains 7.0 mol HI(g) and 1.0 mol each of I2(g) and H2(g). If 2.5 mol H2, 5.0 mol I2 and 2.0 mol HI are added to that equilibrium mixture how many moles of each gas will be present when equilibrium is reestablished?
April 16, 2014

PHI 208 Week 3 Reading Quiz
According to Kant, persons: CORRECT are both A and B. Milton Friedman argues that even if the corporate executive were justified in funding social causes with his/her corporation’s profits, he/she could not achieve the success of such social causes because: CORRECT All ...
April 6, 2014

finance
A bond that has a \$1000 par value (face value) and a contract or coupon interest rate of 11.1%. The bonds have a current market value of \$1125 and will mature in 10 years. The firms marginal tax rate is 34%. The cost of capital from this bond debt is what percent? (round to ...
April 3, 2014

Physics
A toy dart gun has a spring with a spring constant of 315 N/m. An 12 gram dart is loaded in the gun and the spring is compressed a distance of 7.8 cm and then shot into the air. When the dart is 5.8 meters high in the air, what is its speed? If the maximum height the dart can ...
March 31, 2014

math
If a new home can be constructed for \$160,000, what is the opportunity cost of federal defense spending, measured in terms of private housing? (Assume a defense budget of \$700 billion.)
March 23, 2014

probability
We have two fair three-sided dice, indexed by i=1,2. Each die has sides labelled 1, 2, and 3. We roll the two dice independently, one roll for each die. For i=1,2, let the random variable Xi represent the result of the ith die, so that Xi is uniformly distributed over the set...
February 27, 2014

probability
Given that there were 4 Heads in the first 7 tosses, find the probability that the 2nd Heads occurred at the 4th toss. Give a numerical answer.
February 27, 2014

algebra I
drop a ball at 30000 feet at 30 feet per second and a ball bounces up at 40 feet per second what height do they meet and what speed
February 16, 2014

Physics
A car is traveling at 16.0 m/s, and the driver sees a traffic light turn red. After 0.500 s (the reaction time), the driver applies the brakes, and the car decelerates at 8.00 m/s2. What is the stopping distance of the car, as measured from the point where the driver first ...
January 24, 2014

Physics
A uniform beam of weight 245 N, and length L, sticks out from a vertical wall. A lightweight cable connects the end of the beam to the wall, making an angle of 65.0° between the beam and the cable. What is the tension in the cable?
December 3, 2013

Math
P(x) = (2x^3+x^2-18x-9)/(x^2-x-6) 1.Find any holes in the graph of P(x) 2.Find any horizontal or oblique asymptote 3.Determine where it crosses the horizontal/oblique asymptote (if it does)
November 29, 2013

statistics
I think I have it...nevermind .94 on z chart =1.55...then multiply 1.55 times error (10) then time 60=75.5?
November 24, 2013

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