Wednesday
September 17, 2014

Posts by ashton


Total # Posts: 52

Algebra
The speed of the current in a stream is 4 mi/hr. It takes a canoeist 96 minutes longer to paddle 13 miles upstream than to paddle the same distance downstream. What is the canoeist's rate in still water?
September 14, 2014

Physics
What is the peak current through a 400–W room heater that operates on 120–V AC power?
September 14, 2014

Physics
A light–rail commuter train draws 635 A of 640–V DC electricity when accelerating. What is its power consumption rate in kilowatts? (in kW) 406 kW You are correct. How long does it take to reach 30.0 m/s starting from rest if its loaded mass is 4.90×104 kg, ...
September 14, 2014

Physics
The electric starter in an automobile equipped with a 12 V battery draws a current of 100.00 A when in operation. Suppose it takes the motor 4.00 s to start the engine. What amount of electric energy has been withdrawn from the battery? Answer: (in J) 4.80×103 J The ...
September 14, 2014

Algebra
Determine the value or values of d that complete the square for the expression. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) (a) x^2 + 7x + d d = b) x^2 − 18x + d d = (c) x^2 + dx + 64 d = (d) x^2 + dx + 49/4 d =
September 13, 2014

Algebra
Steve, Sorry for my mistake on the PI, I was in a hurry. But I placed the answer you provided and it's wrong?
September 12, 2014

Algebra
I posted this earlier but the number was wrong. I don't know why it didn't post the other pie symbol. And ofcourse the extra pie throws me off! A large grain silo is to be constructed in the shape of a circular cylinder with a hemisphere attached to the top (see the ...
September 12, 2014

Algebra
A large grain silo is to be constructed in the shape of a circular cylinder with a hemisphere attached to the top (see the figure). The diameter of the silo is to be 30 feet, but the height is yet to be determined. Find the height h of the silo that will result in a capacity ...
September 12, 2014

College Algebra
A boy can row a boat at a constant rate of 5 mi/hr in still water, as indicated in the figure. He rows upstream for 24 minutes and then rows downstream, returning to his starting point in another 16 minutes. (Round your answers to two decimal places.) (A) Find rate of the ...
September 12, 2014

Math
Write each percent as a fraction in simplest form. 2 2/5%=?
August 21, 2014

World Civilization
As an immediate result of the Battle of Trafalgar,
August 21, 2014

math
Ryan was trying to figure out how many column millimeters his advertisement would require. He wanted to sell his motorcycle as quickly as posible, so he was including a picture. If the picture was the width of a column and four centimeters long, how many millimeters of text ...
February 23, 2014

Physics
two blocks are connected by a light rope over a pulley fixed at the edge of a table such that bloc A, 16kg is a the table top and block B, 8kg is hanging by the edge. block A is acted upon by a mass of 200N acting towards the center of table surface. the coefficient of kinetic...
April 8, 2013

math
Find the derivative of the function f by using the rules of differentiation. f(x)=7x^4/3-2/3x^3/2+2x^2-5x+1 f '(x) = ??
March 1, 2013

math
Find the derivative of the function f by using the rules of differentiation. f(x) = x^4 - 4x^2 + 3 f '(x) =??
March 1, 2013

Math
Find the derivative of the function f by using the rules of differentiation. f(u)=10/ãu f '(u) = ??
March 1, 2013

math
The relationship between the temperature in degrees Fahrenheit (°F) and the temperature in degrees Celsius (°C) is F=(9/5)C+32 (b) What is the slope of the line? ?? What does it represent? (a) It doesn't represent anything. (b)It represents the constant increase in...
February 26, 2013

math
The owner of a luxury motor yacht that sails among the 4000 Greek islands charges $430 per person per day if exactly 20 people sign up for the cruise. However, if more than 20 people (up to the maximum capacity of 90) sign up for the cruise, then each fare is reduced by $4 per...
February 26, 2013

math
Consider the supply equation where x is the quantity supplied in units of a thousand and p is the unit price in dollars. p=x^3+x+10 Determine the price at which the supplier will make 2,500 units of the commodity available in the market. (Give your answer correct to the ...
February 25, 2013

accounting
Which of the following statements is incorrect? a. The normal balance of accounts receivable is a debit. b. The normal balance of an expense account is a credit. c. The normal balance of the owner's capital account is a credit. d. The normal balance of unearned revenues is...
February 8, 2013

math
Given the equation 2x + 10y = 10, answer the following questions: If x decreases by 2 units, what is the corresponding change in y? ? units
February 8, 2013

math
The percent of homes with digital TV services, which stood at 6% at the beginning of 1999 (t = 0) was projected to grow linearly so that at the beginning of 2003 (t = 4) the percent of such homes was projected to be 28%. (a) Derive an equation of the line passing through the ...
February 8, 2013

math
If the line passing through the points (a, 1) and (5, 7) is parallel to the line passing through the points (8, 8) and (a + 2, 1), what is the value of a? a =?
February 8, 2013

math
Given the equation 2x + 10y = 10, answer the following questions: If x decreases by 2 units, what is the corresponding change in y? ? units
February 8, 2013

Chemistry
What is a Balanced equation for sulfur (IV) oxide (g) and magnesium oxide (cr)?
February 3, 2013

math
Find the area of the region under the graph of the function f on the interval [4, 10]. f(x)=10x-5 ? square units
November 30, 2012

math
The demand function for a certain brand of CD is given by the following equation where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p=-0.01x^2-0.1x+6 Determine the consumers' surplus if the wholesale ...
November 30, 2012

math
The management of Ditton Industries has determined that the daily marginal revenue function associated with selling x units of their deluxe toaster ovens is given by the following, where R '(x) is measured in dollars/unit. (a) Find the daily total revenue realized from the...
November 30, 2012

math
The demand function for a certain brand of CD is given by the following equation where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. P=-0.01X^2-0.1X+6 Determine the consumers' surplus if the wholesale ...
November 28, 2012

Math
The demand function for a certain brand of CD is given by the following equation where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. P=-0.01X^2-0.1X+6 Determine the consumers' surplus if the wholesale ...
November 28, 2012

math
Find the present value of $26997.18 due in 3 yr at an interest rate of 10%/year compounded continuously. $ ?
November 27, 2012

math
Find the present value of $26997.18 due in 3 yr at an interest rate of 10%/year compounded continuously. $?
November 27, 2012

math
Find the present value of $26997.18 due in 3 yr at an interest rate of 10%/year compounded continuously. $?
November 27, 2012

math
Find the effective rate corresponding to the given nominal rate. (Round your answer to the nearest hundredth of a percentage point.) (a) 7%/year, compounded daily % (b) 6%/year, compounded monthly %
November 27, 2012

science physics
When all forces acting on an object are combined together, what's the result known as
February 28, 2012

Math
Brain Teaser 85=the A N to be E from the W M P
December 15, 2011

Physics
29.53 m/s^2
September 17, 2011

Math
im doing a math word scramble and i cant unscramble the following: AHLSSNET GIRLTEAHING OUOETRRSAQ GTEERNARTHA ICARLAFTO UNTOEGRNC LUQSEA VITSEIOP UNRLERPADECPI REAORDDRIE ENITMELGENS Help me. Due tomorrow by the time i get to Ms. Bladys class
August 16, 2011

English
Explain the problems with this statement. Antigone said: "But I will bury him: and if I must die, I say that his crime is holy: I shall lie down with him in death, and I shall be as dear to him as he to me" (Sophocles 57-60)
June 12, 2011

algebra 1
|\ | \ x | \ 10 |_ _\ 6 Pythagorean theorem: a^2 + b^2 = c^2 here you are looking for a so.. a^2 + 6^2 = 10^2 a^2 + 36 = 100 100 - 36 = 64 square root of 64 is 8 a= 8ft
May 27, 2011

Logarithms
log4(10)=x Im having trouble getting started here with this question thanks
May 24, 2011

English
Speculation regarding.
February 18, 2011

math
Find the area bounded by the parabola y^2=4x and the line y=2x-4. Use vertical representative rectangles (integrate with respect to x) and horizontal representative rectangles (integrate with respect to y). the answer is 9 square units ... i just need to know how to get to that.
December 15, 2010

College Calc 1
Find the area bounded by the parabola y^2=4x and the line y=2x-4. Use vertical representative rectangles (integrate with respect to x) and horizontal representative rectangles (integrate with respect to y). the answer is 9 square units ... i just need to know how to get to that.
December 15, 2010

chemistry
If the initial concentration of AB is .250 M, and the reaction mixture initially contains no products, what are the concentrations of A and B after 75s?of XY after 5.0 X10^1s?
February 21, 2010

Writing
Never mind. I'm going to change my topic.
November 19, 2009

Writing
I am working on a research paper, and wanted to go with the theme of how social stigma prevents people with mental illnesses to seek help. However, I need to have include an opposing argument, and I don't think I will be able to find a strong opposing view. All I've ...
November 19, 2009

math riddle ALGEBRA WITH PIZZAZZ
thank you soooo much!!!!
April 6, 2008

science
The thermal energy of volcanoes and natural hot springs comes from trace amounts of radioactive minerals in common rock in the Earth's interior. Why isn't the same kind of rock at the Earth's surface warm to the touch?
January 30, 2008

science
Turn an incandescent lamp on and off quickly while you are standing near it. You feel its thermal energy but find when you touch the bulb that it is not hot. why you felt thermal energy from it.
January 30, 2008

science
In a mixture of hydrogen and oxygen gases at the same temperature, which molecules move faster? Why?
January 30, 2008

math
740 rounede to the tens
April 22, 2007

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