Saturday
August 27, 2016

Posts by will

Total # Posts: 451

calculus
for the next 7 years how much should I set aside sp that in years 7-12 i can make $4,000.00/month payments?
May 4, 2013

Math (Algebra)
187. each got 3 ice creams and each (except 4 of them) recieved 1 cookie
May 3, 2013

Math
9:15 am. Answer could vary depending on location of Testing. For example if the class were in an airplane it is possible to start the test in one time zone and finish in another.
May 2, 2013

Alegbra 1
X^2-12=-11 First add 11: x^2-12+11=0 Next: (x-11)(x-1)=0 Set each equal to 0: (x-11)=0 (x-1)=0 Get x alone by adding: x=11 x=1 Answer: (11,1) Check work by plugging numbers into original equation.
May 2, 2013

math
30 kg -12kg=18 kg 18kg*5loads=90kgs of sand 1kg= 1000grams 90,000grams of sand
May 2, 2013

math
Small 1/2= .50 Medium 2/5= .40 That means large is .10 10% of the shirts = 5 shirts 5 is 10% of 50. There are a total of 50 shirts.
May 1, 2013

mathematics
30
May 1, 2013

Algebra
4.534 secs. not 100% sure
May 1, 2013

Biology
Question 3 I Think the answer is actually d- slow and fast twitch. Reference Hoefnagels "Biology concepts and investigations" page 595 28.6 B. Muscles contain slow and fast twitch fibers.
April 30, 2013

jardan high. general science
water,anchorge,photosynthesis,mineral,food,support. The main functions of roots are { } and taking in { } and { }. The stems { } the other parts of the plant and transport { },{ } and around the plant.the leaves are the main part making { } by { }.
April 8, 2013

Physics
A physics teacher (mass = 84.5 kg) is jogging through the woods and runs straight into a large oak tree at 3.5 m/s. Rebound speed is measured at 2.3 m/s in the opposite direction. If the time of contact with the tree is 45 milliseconds, what is the magnitude of the force that ...
March 18, 2013

Geometric Sequence
The product of the first five terms of a geometric progression is 32. If the fourth term is 17, compute the second term.
March 12, 2013

math
The product of the first five terms of a geometric progression is 32. If the fourth term is 17, compute the second term.
March 12, 2013

Maths B
Andrew got 68 for both English and Maths. The mean for english was 52 and the mean for Maths was 55. The standard deviations were 10 and 8 respectively. Determine the subject in which andrew did better
March 9, 2013

Math
what is arccot 3.107 equals to in rad?
February 28, 2013

Algebra II
A line has a slope of 2 and contains the points (1, 3) and (2, y). The value of y is what? Please explain in detail
February 22, 2013

Geometry
Picture given with problem: media.glynlyon(dot)com/g_geo_2012/12/img_geou12abc_8.gif If AC = 20, AE = 25, and AB = 5, what is the length of AD? Please explain how this is found, I've got a few problems like this and have no idea how to do it.
January 14, 2013

Consumer Math
Thank you, I was just having some trouble deciding how to do it.
January 11, 2013

Consumer Math
Compute the square footage of carpet needed to cover a room 12' 3" x 18' 4".
January 11, 2013

chemistry
Copper can be determined gravimetrically by precipitation as copper(I)thiocyanate, CuSCN. A wrought aluminum-copper sample(4.5167 g) was dissolved in a minimum amount of concentrated HCl followd by the additon of 25 ml of sulfurous acid to reduced the copper. This solution was...
December 22, 2012

Chemistry
The determination of 4.000 mmol of ZnCl2 is performed gravimetrically by the addition of NaCN solution in a Total volume of 200.00ml. Ksp = 3.0X10^-16 for Zn(CN)2. State and verify all assumption. Assume cyanide does not hydrolyze. a. Derive the COC and COM equations for the ...
December 22, 2012

PLEASE HELP-CHEMISTRY
A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mmHg and the partial pressure of the oxygen is 1.02 atm, what is the total pressure of the mixture in torr? ?
December 19, 2012

CHEMISTRY HELP NOW
A balloon at a pressure of 755 torr and a volume of 5.00 L was allowed to rise in the atmosphere to a point at which the pressure inside and outside the balloon was 697 torr. What was the volume of the balloon at that altitude, assuming the temperature was constant?
December 19, 2012

Math
Jean surveyed 25% of all eighth graders and 75% of all 7th graders. John surveyed 50% of all eighth graders and 50% of all 7th graders at the same school. Jean surveyed a total of 152 John surveyed a total of 144 What is the number of eighth graders?
December 17, 2012

Math
what is the equation for the perpendicular bisector of the line segment whose endpoints are (-7,2) (-1,-6)
November 29, 2012

Math
what is the equation for the perpendicular bisector of the line segment whose endpoints are (-7,2) (-1,-6)
November 29, 2012

Math
what is the equation for the perpendicular bisector of the line segment whose endpoints are (-7,2) (-1,-6)
November 29, 2012

Business Math Question
You borrow $2,600 and repay the loan in 12 monthly installments of $232. What was the finance charge per $100 of the amount financed?
November 8, 2012

Business Math Question
Finance charge of $2.50 per $100 for 3 payments.
November 8, 2012

Business Math Question
Find the finance charge per $100 on a loan of $12,600 with a finance charge of $1,638.
November 8, 2012

College Chemistry
Using the molar volume (STP) or the ideal gas law equation, determine the molar mass,g/mole, of each of the following. A: 11.2g of a gas that has a volume of 1.50Lat STP? B: .0710g of a gas that has a volume 825ml at 1 atm
October 21, 2012

College Chemistry
A 14.0 g sample of Krypton has a temperature of 25C at 625mm Hg. What is the volume, in Milliliters, of the krypton?
October 21, 2012

economics
which of the following statements about inflation are true? check all that applies a) policy makers also worry about a negative inflation rate, or deflation b) painful government actions may sometimes be necessary to bring down a high inflation rate. c) A moderately high ...
September 23, 2012

Calculus
Nevermind, I got it! I forgot that I could divide everything by the highest power x in the denominator.
September 14, 2012

Calculus
I'm supposed to find the limit as x approaches infinity of (2-x-sinx)/(x+cosx). I've thought about using the squeeze theorem, but I'm not sure it applies here. Can someone point me in the right direction? Thanks.
September 14, 2012

Math
No Idea, the question completely asks that. I was thinking about 12% annually compounded, but the answer I got was wrong due to Solve and Check.
September 8, 2012

Math
How much must you deposit in an account that pays 6% semi-annual interest, compounded annually, to have a balance of $9000 in 15 years? I'm stuck with this question, please explain the steps for the answer.
September 8, 2012

Math
How much must you deposit in an account that pays 6% semi-annual interest, compounded annually, to have a balance of $9000 in 15 years?
September 8, 2012

statistics
Can a percentile have the VALUE of 517? Can a percnetile have the VALUE -5.8? Can a percentile have the RANK 517? Can a percnetile have the RANK -5.8?
August 29, 2012

statistics
is it likely to arrive at a correct research conclusion after making an incorrect statistical conclusion?
August 29, 2012

reading
EVERYBODYS ANSWER IS DIFFERENT!!! -.-
August 9, 2012

English
What is the verb in "where are my shoes"
July 24, 2012

computer
can someone explain this statement please int a=(int *)new int[4][3];
July 22, 2012

CRITICAL THINKING
Please post a substantive response to the following discussion questions by clicking on Reply: Aristotle developed a theory of persuasion by which there are three ways a speaker can persuade an audience. Ethos is the idea that an audience can be persuaded by a speaker's ...
June 28, 2012

Essay
i agree where is the answer
June 21, 2012

Math
A buyer is paying a reduced $500 in closing costs on a home with a sale price of $95,000 in the state of Bath, Maine. If the buyer obtains an FHA loan, what would be the monthly payment if the loan is at 9 percent for 10 years?
April 15, 2012

math
Divide 7/24 by 35/48 and reduce the quotient to the lowest fraction. A. 245/1152 B. 4/10 C. 2/5 D. 42/48
April 12, 2012

physics
A person exerts a horizontal force of F = 174 N in the test apparatus shown in the drawing. (h = 0.33 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
March 27, 2012

5th grade Math
What is the algebraic expression for 24 more than b
March 27, 2012

calculus
that has to do with trig substitution i believe..
March 12, 2012

calculus
evaluate the ∫from square root of 2 to 2 1/x^3square root of x^2-1 dx 1/24(-6+3 square root of 3 + pi) but i got something different
March 12, 2012

Math
29 * 6^(-3x) = 13 Thanks!
March 11, 2012

accounting URGENT HELP DUE IN 1HR
(a) Fill in the missing amounts. (If answer is zero, please enter 0. Do not leave any fields blank.) Account Titles Trial Balance Adjusted Trial Balance Dr. Cr. Dr. Cr. Accounts Receivable 34,000 Prepaid Insurance 26,000 20,000 Supplies 7,000 Accumulated Depreciation 12,000 ...
March 11, 2012

physics
A CD has a mass of 17.4 g and a radius of 6.01 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 20.0 rad/s in 0.901 s. Assuming the CD is a uniform solid disk, determine the net torque acting on it.
March 8, 2012

physics
A CD has a mass of 17.4 g and a radius of 6.01 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 20.0 rad/s in 0.901 s. Assuming the CD is a uniform solid disk, determine the net torque acting on it.
March 7, 2012

physics
A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the pulsar makes one revolution, the rotating beam sweeps across the earth, and the earth receives a pulse of radio waves. For one particular pulsar, ...
March 7, 2012

Grammer- Capitaliation
Assistant dean Shirin Ahmadi recommended offering more language courses. We went to the mark taper forum to see a production of angels in america. Lydia's aunt and uncle make modular houses as beautiful as modernist works of art We amused ourselves on the long flight by ...
March 3, 2012

COLLEGE CALCULUS. HELP!
Damon is right, I forgot to apply the chain rule.
February 26, 2012

COLLEGE CALCULUS. HELP!
1. 1 turns to 0 2x turns to 2 x^3 turns to 3x^2 (bring 3 up front & subtract 1 from exponent) ^1/4 goes up front and subtract 1 from that =-3/4 Final answer would be 1/4(3x^2+2)^-3/4 2. Use same procedure 1/3 (sec^2t) ^ -2/3
February 26, 2012

accounting
Jack Shellenkamp owns and manages a computer repair service, which had the following trial balance on December 31, 2011 (the end of its fiscal year). BYTE REPAIR SERVICE Trial Balance December 31, 2010 Cash $8,000 Accounts Receivable 15,000 Parts Inventory 13,000 Prepaid Rent ...
February 25, 2012

math
It'll be 2z=24 divide both side by 2 z=12
February 25, 2012

Chem
Calculate the volume of .300 M NaOH needed to prepare a pH=3.50 buffer with 250ml of .075M HF solution. pKa (HF) = 3.15
February 11, 2012

physics
Waves on a particular string travel with a speed of 17 m/s. By what factor should the tension in this string be changed to produce waves with a speed of 102 m/s
February 7, 2012

Chemistry 2
How many cans ( each containing 14.0 oz of propane) would be required to convert 41.7 lbs of ice at -15.0 C to water at 100 C ( the boiling point at standard pressure)
February 2, 2012

Trigonometry
The tires on a car have radius 14 inches. Find the angular speed of the car tire in revolutions per second when it is traveling 70 mph. Find the angular speed at 80 mph. The tires on a car are 15 inches. Find the linear speed of the car when the tires are rotating at 900 ...
January 21, 2012

Geometry
Y is the midpoint of segment XZ. If XZ is 64 units long, how long is
January 18, 2012

Physics
Ok Here are my answers, if you can give me any more help it would be greatly appreciated. 1. 1000+1200=2200 2. Fw = ma 1000*9.8 m/s^2 = 9800 1200*9.8 m/s^2 = 11760 Fw = 21,560 3. Momentum = mv 1000*7 + 1200*6 7000 + 7200 Momentum = 14,200 kg m/s 4. 14,200 / m1+m2 14,200 / 1000...
January 6, 2012

Physics
Sorry, I can do part 1 and 2 relatively easily. However, I suck at physics and was honestly hoping to receive an answer like the one you gave me. I just wanted to know how to do it, not necessarily get the answer. Thanks
January 6, 2012

Physics
A 1000 kg car is moving at a constant speed of 7 m/s when it hits the back bumper of another car with 1200 kg of mass moving in the same direction at a constant speed of 6 m/s. As a result of the collision both bumpers get coupled. Show all work and calculations. 1. What is ...
January 6, 2012

Economics
Supply is Demand is Scenario A elastic elastic Scenario B elastic inelastic Scenario C inelastic elastic Scenario D inelastic inelastic Which scenario describes the market for oil in the long run? A. A B. B C. C D. D
November 29, 2011

Economics
Sandra purchases 5 pounds of coffee and 10 gallons of milk per month when the price of coffee is $10 per pound. She purchases 6 pounds of coffee and 12 gallons of milk per month when the price of coffee is $8 per pound. Sandra’s cross-price elasticity of ...
November 29, 2011

Economics
Which of the following would not interfere with market equilibria? A. a minimum wage B. a rent control C. a non-binding price floor D. a binding price ceiling
November 29, 2011

Economics
The price received by sellers in a market will decrease if the government Answer A. imposes a binding price floor in that market. B. decreases a binding price ceiling in that market. C. decreases a tax on the good sold in that market. D. increases a binding price floor in that...
November 29, 2011

Economics
Suppose the government has imposed a price floor on the market for soybeans. Which of the following events could transform the price floor from one that is not binding into one that is binding? A. Farmers use improved, draught-resistant seeds, which lowers the cost of growing ...
November 29, 2011

Math
Also, there is a smaller similar triangle with the sides of 5, 6, and 9. This is sted in the problem.
November 1, 2011

Math
The perimeter of a triangle is 50. What steps do I need to take to find the length of the sides?
November 1, 2011

Russian
russian farmland has been damaged by
October 24, 2011

High School
based on my school they look at the star tests from 7th grade because when you go to 9th grade the star test scores wont be out by then
October 20, 2011

Algebra
How do i find the slope and y- intercept of 5X+2Y=7 ?
October 19, 2011

physics
A mass of 0.04 kg is attached to a cord passing through a small hole in a frictionless, horizontal surface. The mass is initially orbiting with speed 4.9 m/s in a circle of radius 0.4 m. The cord is then slowly pulled from below, decreasing the radius of the circle to r2 = 0....
October 19, 2011

Math
julia needs to purchase a ladder that just reaches the top of a 16 foot building. if the bottom of the ladder will be placed 12 feet from the base of the building how long should julia's ladder be?
October 8, 2011

Physical Science
3.B
September 26, 2011

MAth (make equation true)
PLease help 5 + 4 x 3 - 1 = 18 use grouping symbols to make each equation true.
September 14, 2011

science
how long does it take to dissolve 3 ice cubes in a glass of water
July 27, 2011

Math
Sorry, shared computer at school, but can you help???
July 27, 2011

Math
Tickets to a game are $5 for adults and $2 for children. Six hundred tickets are sold for a total of $2160. How many adult tickets and how many children's tickets have been sold?
July 27, 2011

math
d/dx x(1+y)^(1/2) + y(1+x)^(1/2)=0. Can some1 show me the calculation because i didnt get like the answer. [ans=-1/(1+x)^2 but my calculation=-(sqrt(y+1) (2 sqrt(x+1) sqrt(y+1)+y)/(sqrt(x+1) (2 sqrt(x+1) sqrt(y+1)+x)]
July 22, 2011

chemistry
Starting with a 2.0 M NaOH solution, determine how you would prepare 1 L of a 0.1 M NaOH solution.
June 27, 2011

physics (special relativity)
A single photon in empty space is transformed into an electron and a positron, each with rest mass m(e). (a) show that the folowing process is dynamically impossible. (b) Explain in detail how this process can be made possible (c) for part b what would be the minimum photon ...
June 8, 2011

Physics
A uniform disk of mass 2kg and radius 10.0cm is spinning on a fixed frictionless bearing at 3 revolutions/second. A think cylindrical shell of mass 2kg and radius 10cm is carefully dropped onto the spinning disk so that they end up spinning together, with their edges ...
May 15, 2011

Math 120
A recent study of 750 Internet userd in Europe found that 35% of Internet users were women. What is the 95% confidence interval of the true proportion of women in Europe who use the Internet? A)0.321<p<0.379 B)0.316<p<0.384 C)0.309<p<0.391 D)0.305<p<0.395
May 3, 2011

Math 120
D The value of a correlation coefficient can only be in the range of -1<x<1
May 3, 2011

Math 120
Which of the followinf could not be the value of a correlation coefficient? A) -0.683 B) 0.197 C) 1.000 D) -1.369
May 3, 2011

Chemistry
Consider this equilibrium: N2O4(g) + heat NO2(g). Initially, a 1.0 L container is filled with 2.0 mol of NO2. As the system approaches equilibrium, what happens to the rate of reaction of NO2 breaking down?
April 29, 2011

Chemistry
Consider this equilibrium: N2O4(g) + heat NO2(g). Initially, a 1.0 L container is filled with 2.0 mol of NO2. As the system approaches equilibrium, what happens to the rate of reaction of NO2 breaking down?
April 29, 2011

Chemistry
Should it be 4 then?
April 25, 2011

Chemistry
Functional groups 1. are the repeating unit of polymers. 2. are groups of atoms whose chemical prop- erties are pretty much independent of their chemical environment. 3. perform specific biological functions using molecular recognition. 4. are a fictitious concept like ...
April 25, 2011

Algebra
Use Gauss-Jordan to solve 3x + 2y = -4 4x – 2y = -10
April 25, 2011

Chemistry
How do you figure out hydrate formulas?
April 23, 2011

physics
AC power in the United States has 60 cycles per second. What is the period (in seconds) for this current? Round your answer to 3 decimal places.
April 11, 2011

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