Thursday
December 18, 2014

Posts by Brad


Total # Posts: 270

College Algebra
A total of $14,000 is invested in 3 accounts earning 3%, 4%, and 5% annual interest. The combined interest for one year is $539. If the amount invested at 5% is three times the amount at 4%, find the amount invested at 3%.
December 3, 2014

algebra
P = 2L + 2W 34 = 2(W + 7) + 2W
November 27, 2014

Algebra
x+y = 156 x = y+28
November 27, 2014

Physics
Thank you Henry! You did a really nice job and it helped me a lot!! (:
November 26, 2014

Physics
4.82 kJ work is done by a worker pulling a crate across the deck of a ship at a constant speed of 7.82 m/s by a 453 N force. The rope is being pulled at a 37.0 degree angle to the deck. a)How far was it pulled? b)What is the friction force? c)What is the work done against ...
November 26, 2014

science
all alkalies are bases but all bases are not alkalies
October 18, 2014

Chemisty
Brad
September 15, 2014

Math, Physics
A soccer ball is kicked from the ground at an angle of è = 46 degrees with respect to the horizontal. The hang time of the ball is tm = 1.9 s. What is the total horizontal distance traveled by the ball in meters?
September 11, 2014

Physics
What is the magnitude of the electric force between a proton and an electron when they are at a distance of 2.63 Angstrom from each other?
August 29, 2014

Physics Electricity and Magnetism
F=Eq q=F/E q=2.34^-4/6620
August 29, 2014

math
what integer represents a 500 dollar deposit
May 19, 2014

Algebra 2
Yoko threw a stone upward at a speed of 10m/sec while standing on a cliff 40 m above ground. A. What was the height of the stone after 3 seconds? B. Estimate how long it took for the stone to touch the ground
February 6, 2014

Physics
The speed of light in polythene is 1.99 x 108 m/s What is the index of refraction of polythene
January 20, 2014

physics
An inductor (L = 405 mH), a capacitor (C = 4.43 µF), and a resistor (R = 400 ) are connected in series. A 50.0 Hz AC generator produces a peak current of 250 mA in the circuit. (a) Calculate the required peak voltage ΔVmax. V (b) Determine the phase angle by which ...
December 1, 2013

Math
Rose has a square garden with an area of 49 square feet. She wants to put a fence around her garden. How much fencing does she need to purchase?
October 12, 2013

CALCULUS
using d^2(h/dt^2=−g+k(dh/dt^2, find an expression for the terminal velocity in terms of k and g? g is the acceleration due to gravity, k is a constant, h(t) is the height of the falling object, dh/dt is its velocity, and d^2(h)dt^2 is its acceleration. And can you ...
October 7, 2013

Calculus
Could you explain as to how you got that answer?
October 7, 2013

Calculus
using d^2(h)/dt^2=−g+k(dh/dt)^2, find an expression for the terminal velocity in terms of k and g? g is the acceleration due to gravity, k is a constant, h(t) is the height of the falling object, dh/dt is its velocity, and d^2(h)/dt^2 is its acceleration.
October 7, 2013

physics
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 9.7-kg projectile from rest to a speed of 6.5 × 103 m/s. The net force accelerating the projectile is 8.0 × 105 N. ...
June 24, 2013

math
You are the accountant for Suite Dreams, a retail furniture store. Recently, an order of sofas and chairs was received from the manufacturer with terms of 3/15, n/45. The order amounted to $230,000, and Suite Dreams can borrow money at 13% ordinary interest. How much can be ...
June 22, 2013

math
Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a discount rate of 14...
June 22, 2013

math
Euromart Tile Company borrowed $40,000 on April 6 for 66 days. The rate was 14% using the ordinary interest rate method. On day 25 of the loan, Euromart made a partial payment of $15,000, and on day 45 of the loan, Euromart made a second partial payment of $10,000. What was ...
June 22, 2013

English12
I have a thesis started, I kind of decided on my topic, how Lewis has influenced such writers like JK Rowling, Tolkien and helped them write the novels they are so famous for here is the thesis statement so far "Modern interpretive Literature has led the way for some of ...
May 30, 2013

English12
I have read the narnia books, I have another book called "A Life" by Michael White its a biography, the essay is as I said before 1500 word minimum, I am looking at arguing how he was influential and is influential still today in his writings, I am having issues ...
May 30, 2013

English12
Need help on a Research paper, my author is CS Lewis, I am having a major writers block on what to write about, teacher has left it fairly open, need to have an outline and cited works today but he is pretty slack I could have it in tomorrow and be fine, either way stuck on ...
May 30, 2013

Corporate Finance
Your firm is looking at 3 projects, each costing $500,000: A is estimated to save $125,000 per year for 5 years; B is estimated to save $75,000 for 6 years plus generate tax savings of $20,000 per year; C is estimated to save $75,000 per year for 10 years but requires ...
April 28, 2013

Chemistry
3. Using Bohr’s model of the atom, calculate the energy required to move an electron from a ground state of n = 2 to an excited state of n = 3. Express your answer in both J/photon and kJ/mol.
April 23, 2013

science
if u travel 1.5 and the box way 93 she traveled 62 watts I think
April 10, 2013

Geometry
When you use the distance formula, you are building a _____ triangle whose hypotenuse goes between two given points. A.right B.equilateral C.acute D.None of these
March 26, 2013

Life orientation
*Describe ;)
March 26, 2013

Life orientation
*hazards *crisis *globally ;)
March 26, 2013

Biochemistry
In plants, it can be assumed that NADPH like NADH is energetically equivalent to 2.5 ATP. Calculate the number of ATP and ATP equivalents that are needed to synthesize one molecule 0f glucose-6-phosphate from CO2 and photosynthetically produced ATP and NADPH.
March 25, 2013

math
y3K, Inc., has sales of $5,276, total assets of $3,105, and a debt–equity ratio of 1.40. If its return on equity is 15 percent, what is its net income? Can someone help with a formula?
March 18, 2013

Calculus
a ladder 6m long is leaning against a wall. if the top of th ladder is slipping down at th rate of 13 m/s, how fast is the bottom moving away from the wall when it is 5m from the wall? (answer in m/s) Please Help Before 230 pm central time
March 8, 2013

math
A planned community has 300 homes, each with an automatic garage door opener. The door opener has eight switches that a homeowner can set to 0 or 1. For example, a door opener code might be 01100101. Assuming all the homes in the community are sold, what is the probability ...
March 3, 2013

math
A bag contains 44 U.S. quarters and six Canadian quarters. (The coins are identical in size.) If seven quarters are randomly picked from the bag, what is the probability of getting at least one Canadian quarter? (Round your answer to one decimal place.)
March 3, 2013

math
If a person draws two cards from a standard deck (without replacing them), what is the probability that at least one of the cards is a face card? (Round your answer to one decimal place.)
March 3, 2013

calculus
Find the value for W when the limit as x approaches 8 of ((2x^2)-7x + W)/(x-8) = 25
February 26, 2013

calculus
evaluate the following limit... ((1-x)/((1/e)-(e^-x))) as x approaches one
February 26, 2013

calculus
what is the limit of (9x/(9x+5))^(6x) as x approaches infinity?
February 26, 2013

physics
the total potential difference from point A to point B in a circuit is +5 V. The total potential difference from point A to point C in a circuit is -16 V. What must be hte potential difference from point B to point C?
February 20, 2013

7th grade math please help Ms. Sue ASAP
you know Delilah our math teacher looks at this if you are going to connexs
February 13, 2013

chemistry
Molarity = moles of solute/ Liter. 5g O2 * (1 mol O2/ 32 g O2)= x moles O2 convert 250 mL to Liters X moles O2/ Liters = molarity
December 12, 2012

chemistry
When using the van't Hoff factor, I multiply the number of moles of CaCl2 by the factor right? So when finding the mole fraction of CaCl2 in the solution, it would be 3(1.22 mol CaCl2)/[3(1.22) + 12.2] which equals about .231. So then it would be dP = .231 * 239 = 55.2 mm ...
December 12, 2012

chemistry
Okay so I used the equation dP= Xsolute * Psol. I got 32.3 and it was correct. I used the exact same equation for this one, and I got 21.7. For some reason it was incorrect. What am I doing wrong? The vapor pressure of pure water at 70°C is 239 mm Hg. What is the vapor ...
December 12, 2012

chemistry
What's the difference between Psol and Pvap depression? How would I find the Pvap depression?
December 12, 2012

chemistry
The vapor pressure of pure water at 70°C is 231 mm Hg. What is the vapor pressure depression of a solution of 115 g of the antifreeze ethylene glycol, C2H6O2, a nonvolatile compound, in 205 g of water? Use molar masses with at least as many significant figures as the data ...
December 12, 2012

English
i have the words in front of me with the meaning.... so I am lost thats all I can say...
December 6, 2012

English
1. poignant 2. contend 4. conversely 7. prevalent 8. contemporary 9. charisma
December 6, 2012

English
those r my answers
December 6, 2012

English
Many people are surprised to learn how __1__ poverty is __2__ America. Today millions live below the poverty line, and the number seems to escalate daily. Judy and Martin Reed exemplify the old saying, “Opposites attract.” A __3__. Judy chooses work that brings her ...
December 6, 2012

english
then 5 has to be wrong
December 3, 2012

english
4. benefactor 7. speculate 9. alleviate
December 3, 2012

english
Shortly before the Russian Revolution, an eccentric man named Rasputin became ___1___as the "mad monk." Because he dressed like a peasant, drank heavily, and rarely bathed, the nobility often felt __2__during their encounters” with him at the palace. Yet despite...
December 3, 2012

english
Shortly before the Russian Revolution, an eccentric man named Rasputin became ______as the "mad monk." Because he dressed like a peasant, drank heavily, and rarely bathed, the nobility often felt ____during their encounters” with him at the palace. Yet despite ...
December 3, 2012

English
thank you it wouldnt surprise me if u didnt get more from these words..... from other class mates.... once again ty
December 3, 2012

math
solve the logarithmic equation. log(5x+7)=1+log(x-9)
December 2, 2012

math
find the inverse. f(x)=-2+log_4(x-4)
December 2, 2012

math
how do you write that in interval notation?
December 2, 2012

math
solve the following inequality. (x-3)^2/(x^2-4)is greater than or equal to 0.
December 2, 2012

math
find the real solutions using quadratic formula. im sorry.
December 2, 2012

math
8-(1/x)-(6/x^2)
December 2, 2012

math
find the real solutions using the quadratic formula 6-(1/x)-(4/x^2)=0
December 2, 2012

math
find the inverse of f(x)=-5+log(base5)(y-5)
December 2, 2012

algebra
Find the accumulated value of a CD of $20000 for 3 years at an interest of 3.1% if the money is compounded continously.
November 30, 2012

algebra
So, 5.9 to be exact?
November 30, 2012

algebra
How long will it take $1400 to double at 12% annual interest compounded quarterly?
November 30, 2012

Physics HELP!
A simple pendulum consists of a small object of mass 7.40 kg hanging at the end of a 2.10 m long light string that is connected to a pivot point. (a) Calculate the magnitude of the torque (due to the force of gravity) about this pivot point when the string makes a 3.00° ...
November 7, 2012

Chemistry
Find the theoretical pH of .01M and .05M benzoic acid buffer when 2ml of .1MNaOH was added to each buffer.
November 1, 2012

Physics
A ball acquires a horizontal speed of 12m/sec when a force is applied for a distance of .50m. If the ball has a mass of 1.0kg what is the force applied? ANSWER: 144N....I'm not sure what formulas I'd apply. It takes a force of 109N to life a stone straight up. This ...
October 12, 2012

Chemistry
How many times more energy is associ- ated with a 282 nm ultraviolet photon than a 5494 nm microwave photon?
October 10, 2012

Statistics: Regression
The June 1997 issue of Management Accounting gave the following rule for predicting your current salary if you are a managerial accountant. Take $31,865. Next, add $20,811 if you are top management, add $3604 if you are senior management, or subtract $11,419 if you are entry ...
October 10, 2012

math
A population is increasing according to the exponential function defined by y = 2e0.02x, where y is in millions and x is the number of years. How large will the population be in 3 years?
August 1, 2012

geometry
the radius of the base of the metallic rod is 2o centimeters and height 15 centimeters what is the volume of a cylinder
May 22, 2012

geometry
the radius of the base of the metallic rod is 2o centimeters and height 15 centimeters what is the volume of a cylinder
May 22, 2012

Probability and Statistics
A package contains 12 resistors, 3 of which are defective. If four are selected, find the probability of getting the following. No defective resistors One defective resistors 3 defective resistors
May 17, 2012

Probability and Statistics
A package contains 12 resistors, 3 of which are defective. If four are selected, find the probability of getting the following. No defective resistors One defective resistors 3 defective resistors
May 17, 2012

Maths
In a box of fruit there were 11 oranges and 9 apples. What fraction of the fruit were the oranges?
May 2, 2012

veterinarians as prescribers
Alteration of the physical form of a drug outside its label is
April 27, 2012

chemistry
calculate the pressure when 57 g of flourine at 55 degrees celsius is confined to a 152 liter container.
April 22, 2012

Chemistry
help...If exactly 5.0 mL of HNO3 will neutralize 15 mL of 2.0 M NaOH, what is the molarity of the HNO3 solution? Have no idea what to do. thank you.
March 25, 2012

Statistics
Suppose that the travel time from your home to your office is normally distributed with a mean of 40 minutes and standard deviation of 7 minutes. If you want to be 95% certain that you will not be late for an office appointment at 1:00pm, what is the latest time that you ...
March 20, 2012

chemistry
So i found the solubility to be x=0.001296, is this the concentration of I^-? can i multiply this by 30mL to get my moles?
March 16, 2012

chemistry
how can i calculate the solubility with the information given ? in class we use concentrations to find solubility
March 16, 2012

chemistry
A 30.00mL sample of a clear saturated solution of PbI2 requires 14.7mL of a certain AgNO3 for its titration. I^-(saturated PbI2)+Ag^+(from AgNO3)--> AgI(s) What is the molarity of this AgNO3? I'm not really sure where to start.
March 16, 2012

chemistry
A mixture formed by adding 55.0 mL of a 1.5x10^-2 M HCl to 140 mL of 1.0x10^-2 M HI. How do you calculate the pH for this problem?
February 26, 2012

Chemistry
Ba(OH)2(aq)+2CH3COOH(aq)=Ba(CH3COO)2(aq)+2(l)H2O what is the net ionic equation with phases?
February 18, 2012

Math
1.2mi.
February 15, 2012

math
Ms.Sue,is the ans 3?
November 21, 2011

math
4 1/5 divided 1 2/5 21/5 x 7/5 = ?
November 21, 2011

Math
thanks, I am stuck on this one 4 1/5 divided 1 2/5 21/5 x 7/5 =
November 20, 2011

Math
1. 2 1/3 x 3 1/2 = 2. 4 2/3 divided 7 =
November 20, 2011

Math
Thanks! can you please show me how to do these: 2 1/3 x 3 1/2 4 2/3 divided 7
November 20, 2011

Math
How do I estimate these? 1. 7/8 + 3 1/4 2. 5 1/9 - 2/3 3. 9 5/6 divided 2 1/8 4. 6 divided 1/2
November 20, 2011

Math
Ms. SUE, Is this correct? 4. 5/8 + 5/6 = 1 11/24 5. 13 1/2 + 7 2/3 = 21 1/6
November 18, 2011

Math
Ms. SUE, Is this correct? 4. 5/8 + 5/6 = 1 11/24 5. 13 1/2 + 7 2/3 = 21 1/6
November 17, 2011

Math
1. 9-5 3/4 = 2. 7/8 + 3 1/4 = 3. 5 1/9 -2/3 = 4. 5/8 + 5/6 = 5. 13 1/2 + 7 2/3 =
November 17, 2011

Statisics Question Help Please
The proportion of students in private schools is around 11%. A random sample of 450 students from a wide geographic area indicated that 55 attended private schools. Estimate the true proportion of students attending private schools with 95% confidence. How does it estimate ...
October 6, 2011

geometry
If EF = 4x - 19, FG = 3x - 9, and EG = 28, find the values of x, EF, ad FG.
October 3, 2011

Physics
A dart is thrown horizontally with an initial speed of 11 m/s toward point P, the bull's-eye on a dart board. It hits at point Q on the rim, vertically below P, 0.19 s later. (a) What is the distance PQ? (b) How far away from the dart board is the dart released?
September 25, 2011

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