Thursday
May 5, 2016

# Posts by JOSE

Total # Posts: 424

physics
Argon is a monatomic gas whose atomic mass is 39.9 u. The temperature of eight grams of argon is raised by 95 K under conditions of constant pressure. Assuming that argon behaves as an ideal gas, how much heat is required?
April 11, 2016

physics
A mass m = 0.068 kg of benzene vapor (Lv = 3.94x105 J/kg) at its boiling point of 80.1°C is to be condensed by mixing with water at 45.0°C. What is the minimum mass of water required to condense all of the benzene vapor? Assume the mixing and condensation take place is...
April 10, 2016

math
How can you write an equation of two test scores 97 and 88
March 21, 2016

math
Given: 1 post=2 Yards Therefore, Dimensions are: Width= 4 Posts Length= 8 Posts Let p=post Width= 4p Length= 8p Since p=2yards, Width= 4(2 yards)= 8 Yards Length= 8(2 yards) 16 Yards
March 4, 2016

Math
Convert the fraction 4/5 to a fraction that is more flexible to work with: (1-4/5)=(5/5)-(4/5) (5/5)-(4/5)=1/5 Eating half of one fifth: Again, convert the fraction into something that is more flexible to work with. Here, the best thing to do is to make the numerator even. You...
March 4, 2016

Math
No my teacher didn't teach us this just gave it to us for homework
February 23, 2016

Math
Marisa says that reflecting a point across the x axis and then reflecting its image across the y-axis will produce the same final image as just reflecting the original point across the line y equals x is this true?
February 23, 2016

Math
The smallest package weighed only 1/3 more than 1/2 the weight of the heaviest package. If the two packages combined weighed 100 kilograms, how much did the smaller package weigh?
February 21, 2016

math
The answer is yes because the probability of the red pen is 25 percent(1/4). The percentage of the not red is 75 percent(3/4). The probability of the black pen is 75 percent(3/4). The probability of the not black is 25 percent(1/4). If you add these together you get 1, which ...
February 2, 2016

Physics
How much work does a 50 kg student to climb 3 meters high stairs
January 20, 2016

physics
As shown in the diagram, a bullet of mass 7.0 g strikes a block of wood of mass 2.1 kg. The block of wood is suspended by a string of length 2.0 m, forming a pendulum. The bullet lodges in the wood, and together they swing upward a distance of 0.40 m from the original position...
January 4, 2016

Calculus
I am standing on the roof of a building with a pea shooter, and I shoot a pea up into the air from a height of 80 feet. The pea reaches its maximum height 2 seconds after I shoot, then falls to the ground. Give the position of the pea as a function of time
December 8, 2015

Statistics
I have gotten the concept of probability but the following question has really stumped me. Help please. The probability that a tomato seed will germinate is 0.9. Estimate the probability that of 100 randomly selected seeds, at least 86, but no more than 91 of them will ...
December 5, 2015

math
there are 5 pounds of apples in one bag. Make a table to show how many pounds of apples are in 6 bags
November 29, 2015

math
To date, Jay Ward has xumulative earnings of \$ 107,600. This week he is paid \$3,000. What is the total amount of Social Security tax for this week? Assume a rate of 6.2% on \$110,100 for Social Security and 1.45% for Medicare.
November 28, 2015

Finance
Need Solution problem Nealon Manufacturing Company
November 24, 2015

trig
Find the component form of v and sketch the specified vector operations geometrically, where u = 4i − j, and w = i + 5j. v = −u + w v = ( , )
November 2, 2015

Ela
Don't know how to make them plural or singular possessive or plural possessive
October 26, 2015

Ela
Write each phrase below to make it a plural or singular possessive or plural possessive.the backpacks belonging to the girls,the covers of the bookd
October 26, 2015

Chemistry
Calculate the pH of each solution given the following or values: a. [H3O+] = 1 * 10-8M b. [H3O+] = 5 * 10-6M c. [OH-] = 4 * 10-2M d. [OH-] = 8 * 10-3M e. [H3O+] = 4.7 * 10-2M f. [OH-] = 3.9 * 10-6M
October 13, 2015

chem
Please give the complete mechanism for the acid catalyzed addition of methanol to 3 - methylbutene
October 12, 2015

physics
A ball is projected upward at time t = 0 s, from a point on a flat roof 10 m above the ground. The ball rises and then falls with insignificant air resistance, missing the roof, and strikes the ground. The initial velocity of the ball is Consider all quantities as positive in ...
October 11, 2015

physic
Between the orbits of Mars and Jupiter, several thousand small objects called asteroids move in nearly circular orbits around the Sun. Consider an asteroid that is spherically shaped with radius r and density 3000 kg/m3 . You find yourself on the surface of this asteroid and ...
October 10, 2015

Math
x/(x+1) - 2/(x-1)= 1 I have been trying to solve it but I do not know the steps to solve it.
September 27, 2015

Chemistry
Can I know the molarity of acid rain?
September 13, 2015

science
In the cabin of a jetliner that cruises at 600km/h, a pillow from an overhead rack falls into your lap below since the jetliner is moving so fast, why doesn't the pillow slam into the rear of the compartment when it drops? What is the horizontal speed of the pillow ...
September 9, 2015

Math
144x+21x squared??
September 3, 2015

algebra
whats the difference between a 16 ounce brick and a carpenter?
August 18, 2015

Math
How to find the perimeter of a 10 step staircase
May 4, 2015

geology
1950 + 979 = 2929 1950 + 1843 = 3793
April 23, 2015

ss
Sb is dumb
April 17, 2015

math
Renee is a sales associate at a store. She earns \$80 a week plus a 15% commission on her sales. Last week, she sold \$200 worth of items. What is the total amount Renee earned for the week? How much did she earn from commission?
April 15, 2015

math
Two months ago, the mean daily rainfall in a local city was 9.4 cm. The mean absolute deviation was 3.5 cm. Last month, the mean daily rainfall in that city was 11.5 cm, and the mean absolute deviation was 1.6 cm. Which statement about the rainfall is true
April 13, 2015

trig
solve triangle ABC which have angleA=25.25,angleB=60.51 and a=3.82..find c...,find b
April 11, 2015

biology
So basicaly what you have to do here is look at the question real hard close your eyes thing about this, 2 girls in one cup. Then open your eyes and you will know that white and smooth is the highest experimental value. With this you can assume that the others are just ...
April 10, 2015

math
Suppose a 25-foot ladder is leaning against a wall making a 63 degree angle with the wall. How high up th wall is the end of the ladder?
March 19, 2015

math
84 inches by 54 inches how many square inches will Paige have to paint the front side of the door?
March 16, 2015

chemistry
220.3 lbs = 100016.2 g 500. gallons= 1892.5L 100016.2g (NH4)(NO3)X 1 MOL/80.052 g/MOL= 1249.39 MOLES. 1249.39 MOLES/ 1892.5L = 6.60X10^-1 MOL/L (NH4)(NO3)
March 13, 2015

Chemistry
Calculate the mass of 5.35 mol of iodine
March 12, 2015

math
They're 32 more apples than oranges at a fruitstand. Howany apples and oranges could there be?
February 9, 2015

Pre-Calculus
Describe the function resulting from reflecting f(x)=x^3+2x^2-x+5 about the y-axis and then shifting to the left by 4. Is this the same as performing the operations in the reverse order
February 3, 2015

algebra
The perimeter of a rectangular piece of plastic is 22 millimeters. The area is 30 square millimeters. What are the dimensions of the piece of plastic?
January 27, 2015

chemistry
chemical reactions type?
November 30, 2014

English 10
noun clause
November 19, 2014

physics
In a house the temperature at the surface of a window is 22.4 °C. The temperature outside at the window surface is 2.66 °C. Heat is lost through the window via conduction, and the heat lost per second has a certain value. The temperature outside begins to fall, while ...
November 17, 2014

Intro to Accounting
Jimenez Enterprises issued 8%, 9-year, \$2,486,400 par value bonds that pay interest semiannually on October 1 and April 1. The bonds are dated April 1, 2014, and are issued on that date. The discount rate of interest for such bonds on April 1, 2014, is 8%. What cash proceeds ...
November 5, 2014

Calculus
Your firm offers to deliver 250 tables to a dealer, at \$160 per table, and to reduce the price per table on the entire order by 50 cents for each additional table over 250. Find the dollar total involved in the largest possible transaction between the manufacturer and the ...
November 3, 2014

physics
the distance of the and is 30m so if a person starts running towards the bank with a velocity of 10m/s then the distance of the bank will be 31 because you add the one second and then divide by your 10m/s
September 16, 2014

Physics
An airplane flies 220 km due east, makes a right-angle, and then flies 400 km due north. Find the magnitude of the plane's displacement from it's starting point. Neglect the culrvature of the earth
September 14, 2014

Pre-Calculus
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x),and express the quotient P(x)/D(x) in the form P(x)D(x) = Q(x)+ R(x)D(x) . P(x) = 6x^4 − 3x^3 + 29x^2, D(x) = 3x^2 + 13
September 14, 2014

Pre-Calculus
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x),and express the quotient P(x)/D(x) in the form P(x)D(x) = Q(x)+ R(x)D(x) . P(x) = 6x4 − 3x3 + 29x2, D(x) = 3x2 + 13
September 14, 2014

Science
If the temperature rose from 25C to 45C how many degree Fahrenheit would that be
September 10, 2014

What is the best estimate for the product of 289 and 7
August 25, 2014

math
how many different rectangles having an area of 81 square centimeters can you draw if the length and width have an integral value?
August 10, 2014

Math
A student rented a bicycle for a one-time fee of \$12.00 and then a charge of \$o.85 per day.She paid \$28.15 for the use of the bicycle. How many dats did she keep it?
May 28, 2014

Math
5{3a-2b(3a+6b)+6a}
May 28, 2014

Science
blah blah
May 28, 2014

math
create a function that models In dollars the total payout T2 after a given month × the listedgraph month is X 6 months M2 IS 2¢ 6¢ 8¢ 10¢ 12¢ and T2 is 3¢ 7¢ 13¢ 21¢ 31¢ 43¢ (hint) t2 is just a double transformation ...
May 13, 2014

Physics
If a car engine has a power,P. Write an expression for the time it will take to accelerate from w to 4w. Note that P=wt where t is torque.
April 27, 2014

Math
A piece of a broken wheel is shown. It was taken to a machine shop to be replaced with a new “whole” wheel. Find the radius of the wheel AC=10cm, BD=3 cm and D is the midpoint of AC. Round to the nearest hundredth.
April 4, 2014

Math
The curvature of a circle with radius r is defined as Descartes’ formula gives a relationship between the curvatures of the four circles. What are Descartes’ formula and the curvature of a circle? What does the sign of the curvature of a circle mean? State Descartes...
April 4, 2014

Math
An organization is planning a dance. The band will cost \$400 and advertising costs will be \$100. Food will be supplied at \$2 per person. a. How many people need to attend the dance in order for the organization to break even if tickets are sold at \$7 each? b. How many people ...
April 4, 2014

Math
The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
April 4, 2014

PC
A piece of a broken wheel is shown. It was taken to a machine shop to be replaced with a new “whole” wheel. Find the radius of the wheel AC=10cm, BD=3 cm and D is the midpoint of AC. Round to the nearest hundredth.
April 4, 2014

statistics
If boys and girls are equally likely to be born, what is the probability that in a randomly selected family of 6 children, there will be at least one boy? (Find the answer using a formula. Round your answer to three decimal places.)
March 30, 2014

math
There are 2 leaves along 3 in.of an ivy vine. There are 14 leaves along 15 in. of the same vine. How many leaves are there along 6 in. of the vine?
March 27, 2014

Math
Becca wants to make a giant cherry pie to try to break the world record. If she succeeds in making a pie with a 20 foot diameter, what will be the total distance around the pie?
March 16, 2014

Math
How many square inches of crust would it take to cover the bottom of a pie dish with a 15 diameter?
March 16, 2014

Math
Pam served her apple pie on a 13 inch diameter dish. She wanted to tie a ribbon around the dish to make it a little more festive. How long does the ribbon need to be in order to fit around the dish?
March 16, 2014

Fitness Topics
When you massage an exercised muscle, you help to A. increase the efficiency for the removal of wastes. B. decrease the amount of oxygen moving to the muscle. C. decrease the amount of blood moving to the muscle. D. increase its lifting capacity. im going with B
March 13, 2014

science
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in ...
February 21, 2014

math
Mr. Smith currently produces 45,000 bushels of potatoes a year. He Can increase his harvest by an average rate of 3% annually. How many years will it take until he can produce 50,000 bushels per year?
February 12, 2014

physics
60 mph
February 3, 2014

cosmology
1.3378e19
January 19, 2014

Math
Find the angel in degrees required to shoot a cannon a distance of 200 yards. It's speed is 400 mps.
December 4, 2013

geometry
Given the equation of the circle (x – 9)2 + y2 = 484 , where is the center of the circle located at?
November 12, 2013

science
which of the following is the best course of action when it comes to using natural resources
November 7, 2013

Algebra 1
45,46,47,48
October 10, 2013

physics
can someone post the ecuations? thanks
October 5, 2013

Math
Find two numbers the exact answer is between. 6x7381
September 25, 2013

Precalculus
So far i have gotten answers that i already knew. I know that 224=16t^2 goes to 14=t^2 but what squared equals 14?
September 13, 2013

Precalculus
That is my question, i don't know what t equals when 224=16t^2
September 13, 2013

Precalculus
A ball is dropped from a cliff that is 224 feet high. The distance S (in feet) that it falls in t seconds is given by the formula S=16t^2. How many seconds (to tenths) will it take for the ball to hit the ground?
September 13, 2013

english
how do you use atlas in more than one
September 8, 2013

tax
Business Investigation Expenditures. During January and February of the current year, Big Bang LLC incurs \$3,000 in travel, feasibility studies, and legal expenses to investigate the feasibility of opening a new entertainment gallery in one of the new suburban malls in town. ...
July 31, 2013

pcc
A volume of 40.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 21.7mL of 1.50 M H2SO4 was needed? The equation is 2KOH(aq)+H2SO4(aq)→K2SO4(aq)+2H2O(l)
July 15, 2013

math
What is the unit rate? 1500 meters in 6 seconds?
July 10, 2013

finance
Based on the following information, calculate the coefficient of variation and select the best investment based on the risk/reward relationship. Std Dev. Exp. Return Company A 10.4 15.2 Company B 14.6 22.9
July 7, 2013

finance
Based on the following information, calculate the required return based on the CAPM: Risk Free Rate = 3.5% Market Return =10% Beta = 1.08
July 7, 2013

Math
Gerald can complete a math assignment in 2 hours and a physics assignment in 1 hour. If he has 8 hours to complete a set of assignments, how many math assignments can he complete if he decides to leave the science assignments for the next day? This situation is given by 2x + y...
May 27, 2013

MATH
THERE ARE 2 SPINNERS ONE IS LABLED A-D THE OTHER IS LABLED 1-8. WHAT IS THE PROBABILITH OF SPINNING EITHER AN A OR B AND EITHER A 1 OR 2. ANSWERS GIVEN ARE 0.0625,0.116,0.125,AND 0.18
May 22, 2013

college algebra
5^n+7+8=
May 16, 2013

College Chemistry
For each trial, enter the amount of heat lost by the calorimeter, qcalorimeter. Be careful of the algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Note, this is 1...
April 12, 2013

ece
Primary classroom rely more on----------- assessment than do preschool classroom
April 12, 2013

College Chemistry
For each trial, enter the amount of heat lost by the calorimeter, qcalorimeter. Be careful of the algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Note, this is 1...
April 9, 2013

Math-Statistics
Assume that 60% of community college students are female. 1) If we pick 10 students at random justify why we can or cannot model this using a normal model. 2) Find the probability that 8 of the 10 students selected are female. 3) Find the probability that 8 of more of the 10 ...
April 8, 2013

Statistics
A study of two groups of children since early childhood: One group of 62 attended preschool. A control group of 61 children from the same area and similar backgrounds did not attend preschool. Over 10 year period as adults, 38 of the preschool sample and 49 of the control ...
April 8, 2013

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