Saturday
July 2, 2016

Posts by Erica

Total # Posts: 580

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 20, 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 20, 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 19, 2013

Math
What is the net price factor for trade discount of 25/15/10? .75*.85*.90=.57375 Is my answer correct?
May 25, 2013

Math
Fantasia Florist Shop purchases an order of roses with a list price of $2,375 less trade discounts of 15/20/20. What is the amount of trade discount and what is the net dollar amount of that rose order? Trade discount: .85*.80*.80=.544 2375*.544=1292 Answer is $1292.00 Net ...
May 25, 2013

Math
Natureland Garden centr buy lawn mowers that list for $679.95 less 30% trade discount. What is the dollar amount of the trade discount and what is the net price of each lawn mower? Trade discount: 679.95*.30+ 203.99 Net Price: 679.95 - 203.99= 475.96 Is my answers correct?
May 25, 2013

Financial Literacy
Its 1000
May 15, 2013

Math
3(n-2)+7=5
May 9, 2013

Math
Can you help me with this problem please? I would thank you if you can explain it to me. You want to tile your kitchen floor. The floor measures 12ft by 9ft. How many tiles each a square with side 1 1/2 ft should you purchase for the job?
May 9, 2013

Math
2.8x+75=5.3x+15
May 9, 2013

Math
Find the perimeter of a triangle with sides 2ft 4in, 3ft, and 4ft 6in.
May 9, 2013

Math
Find the area of a circular rug that is 12ft in diameter.
May 9, 2013

Math
8-3x=2x-8
May 9, 2013

Math
Finally!! Thank you!!
May 9, 2013

Math
3x-2(3x-2) -3x+6x-4 -3x+4 Ms. Sue this is what I did. Do you think is correct?
May 9, 2013

Math
Okay sorry studying for finals. I am going to try and do this one by myself. Thank you :)
May 9, 2013

Math
Can I get help with this one :/... 3x-2(3x-2)
May 9, 2013

Math
Thank you very much Ms. Sue!!
May 9, 2013

Math
Can you help me with this problem please... 3y+5(y-3)+8
May 9, 2013

Math
Thank you Ms. Sue!!!
May 9, 2013

Math
Can you help me with this problem please... 8x-3(x-5)=30
May 9, 2013

PHYSICS!
The quantity of heat that changes the temperature of a mass of a substance is given by , where is the specific heat capacity of the substance. For example, for , . And for a change of phase, the quantity of heat that changes the phase of a mass is , where is the heat of fusion...
May 2, 2013

Physics!
Imagine a giant dry-cleaner's bag full of air at a temperature of -31 floating like a balloon with a string hanging from it 15 above the ground. Estimate what its temperature would be if you were able to yank it suddenly back to Earth's surface.
May 2, 2013

Math
One-ninth of Polymer Plastics’ sales are made in New England. If New England sales amount to $600,000, what are the total sales of the company?
May 1, 2013

math
ronnie swam 2.5 laps on monday and swam twice as far on tuesday how far did he swim in all?
April 23, 2013

College algebra
Solve equation by expressing each side as a power of the same base & then equating exponents. e^x+5=1/e^6
April 23, 2013

weber state university
CH2=CH-CH2CH3+H2O What is the product of the reaction above
April 11, 2013

Algebra 3
find the sum of each finite arithmetic series 8+9+10+...+15
April 3, 2013

criminal justice
What would a careful researcher ask about a Web site called "Facts about pesticides and health" published by the Coalition for a Chemical-Free Environment?
March 12, 2013

algebra
I have to solve this equation using substitution. 3x+5y=10 2x+ 1/2y=24 This is all one problem
March 10, 2013

7th grade math Ms. Sue please last questions!
56.25
February 13, 2013

Differential Equations
Locate the bifurcation values of a for the one-parameter family and describe the bifurcation that takes place at each such value. dy/dt=e^(-y^2)+a I got that the equilibrium points will be at -sqrt(ln(a)). I dont know if that is fine. I took the partial derivative with respect...
February 7, 2013

Differential Equations
Locate the bifurcation values of a for the one-parameter family and describe the bifurcation that takes place at each such value. dy/dt=e^(-y^2)+a I got that the equilibrium points will be at -sqrt(ln(a)). I dont know if that is fine. I took the partial derivative with respect...
February 7, 2013

economics
If capital’s share of income is 25% and labor’s share of income is 75%, the stocks of both capital and labor increase by 50% (K/K = N/N = 0.5), and there is no technology growth, at what rate will potential output grow? Will the capital-labor ratio ...
February 4, 2013

Differential Equations
a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your results with your ...
February 3, 2013

Differential eqns
I read the info, but it doesnt talk about functions with no equilibrium point.
February 3, 2013

Differential eqns
a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your results with your ...
February 3, 2013

Differental Equations
a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your results with your ...
February 3, 2013

Differential Equations
a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your results with your ...
February 3, 2013

math
what is the math trivia of direct square variation?
February 2, 2013

Differential Equations
For the following initial value problem: dy/dt=1/((y+1)(t-2)), y(0)=0 a)Find a formula for the solution. b) State the domain of definition of the solution. c) Describe what happens to the solution as it approaches the limit of its domain of definition. Why can't the ...
January 31, 2013

Differential Equations
If y(t) depends on what C is, then how this equation doesn't contradict the uniqueness theorem if it has many solutions?
January 31, 2013

Differential Equations
Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t<=0, but that are nonzero when t>0...
January 31, 2013

Differential Equations (Another) Cont.
For the following initial value problem: dy/dt=1/((y+1)(t-2)) a)Find a formula for the solution. b) State the domain of definition of the solution. c) Describe what happens to the solution as it approaches the limit of its domain of definition. Why can't the solution be ...
January 31, 2013

Differential Equations
Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t<=0, but that are nonzero when t>0...
January 31, 2013

Differential Equations
For the following initial value problem: dy/dt=1/((y+1)(t-2)) a)Find a formula for the solution. b) State the domain of definition of the solution. c) Describe what happens to the solution as it approaches the limit of its domain of definition. Why can't the solution be ...
January 31, 2013

Differential Equations
Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t<=0, but that are nonzero when t>0...
January 31, 2013

science
19. The term chromatin refers to a. the color of certain cells b. chromosomal DNA c. the fluid within the nucleus d. ribosomal RNA
January 28, 2013

Math
The charges on a monthly water bill came to $0.86 per cubic meter of water used, plus a service charge of $4.49. Last month Jeremy's water bill came to $69.85, how many cubic meters of water had he used?
January 25, 2013

Differential Equations
The velocity v of a freefalling skydiver is well modeled by the differential equation m*dv/dt=mg-kv^2 where m is the mass of the skydiver, g is the gravitational constant, and k is the drag coefficient determined by the position of the driver during the dive. (a)Find the ...
January 24, 2013

Differential Equations
Find the general solution of the differential equation specified. 1) dy/dt= 1/(ty+1+y+1) 2) dy/dx=sec y I got y(x)=arcsin(x) for the second one. I'm not sure what to do with the first one.
January 22, 2013

Consumer/Bus Math Sem 1 (Standard)
Pat worked 43 hours and received $7.25 per hour for regular pay and time-and-a-half for all hours over 40 hours. What were her weekly earnings? $22.83 $322.63 $269.75
December 18, 2012

Algebra 8th grade.
how to find the scale factor when not given one HELP THIS IS MY MATH HOMEWORK & ITS DUE FIRDAY 4-12-13:-0
November 28, 2012

Math
A rocket is launched from ground level with an initial vertical velocity (v0) of 176 ft/s. After how many seconds will the rocket hit the ground? (Hint: h(t) = -16t2 + v0t + h0)
November 26, 2012

Statistics (urgent)
A beverage comopany uses a machine to automatically fill 1-liter bottles. Assume that the population of volumes is normally distributed. The company wants to estimate the mean volume of water to within 1 ML. Determine the minimum sample size required to construct a 95% ...
November 18, 2012

statistics
A survey of adults found that 35% say that their favorite sport is professional football. You randomly select 120 adults and ask them if their favorite sport is professional football. Find the probability that more than 30 people answer yes.
November 18, 2012

Math
I dont know thats why im asking you
November 8, 2012

Physics HELP!!
Elena, why do you have a 13 & 23 beside F? Or is this just to distinguish between the two forces
October 16, 2012

physics
How much heat is necessary to change 500g of ice at-10 celsius to water at 20 celsius?
October 15, 2012

calculus
A fence 8 feet tall stands on level ground and runs parallel to a tall building. If the fence is 1 foot from the building, find the shortest ladder that will extend from the ground over the fence to the wall of the building.
October 11, 2012

Managarial Finance
"Stephenson Real Estate Company was founded 25 years ago by the current CEO, Robert Stephenson. The company purchases real estate, including land and buildings, and rents the property to tenants. The company has shown a profit every year for the past 18 years, and the ...
October 8, 2012

calculus derivative
find the derivative of: y=(x/(x+1))^3
October 8, 2012

calculus derivative HELP!
Find the derivative of: y=2sqrt(x)-(1/x)
October 8, 2012

FREE BODY DIAGRAM calculus
A car is traveling north towards an intersection at 60mph at the same time a truck is headed east toward the same intersection at 45mph. Find the rate of change of the distance between the car and truck when the car is 3 miles south of the intersection and the truck is 4 miles...
October 7, 2012

calculus PLEASE help !
find the equation for the line tangent to the curve at the given point. y=((x^2)+1)/((x^2)-1) at (2, 5/3)
October 7, 2012

calculus please help me
find derivative of: f(x)=e^2 I know that b/c e is a constant the answer is 0, but how do I show that in my work?
October 7, 2012

physics
To plot the potential energy, simply plug your givens into the equation U=(1/2)kx^2. You should get a parabola that goes to 0 in the center. To determine the turning points of the block, use the law of conservation of energy. You know that Ui+Ki = Uf+Kf since there is no ...
October 7, 2012

biology
I am doing a project on Eukarya, Bacteria and Viruses where I have to explain why they are different. I know of their structural and reproductive differences but I am not sure about their uses or funtions. Please help!!
September 25, 2012

math
exam rose from 20.8 to 21.1 what percent increase was this nearest to the tenth?
September 24, 2012

Chemistry
thank you so much for the explanation
September 18, 2012

Chemistry
I need help please I am so confused. How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent? I know the MM of KCl is 74.55 107g of 0.535m KCl
September 18, 2012

Chemistry
thank you so very much
September 17, 2012

Chemistry
To what volume should you dilute 43.5mL of a 4.20M KI solution so that 24.0mL of the diluted solution contains 2.80g of KI? Please if you can explain it to me I am so confused.
September 17, 2012

Chemistry
A sample of 2.00 mol O2 (assumed perfect) is originally confined in a 20.0L at 273K and 2.24 atm. it undergoes reversable adiabatic expansion until the volume has increased by a factor of 3. Calculate q, w, delta u, delta h, and delta t. Cv=7/2R and cp=5/2R
September 6, 2012

calculus
Find the limit if it exist lim t-->pi/3 (tan(t)/t)+1
September 6, 2012

calculus
Find a delta for any epsilon given: x^2+x-6/x+3 and x0=-3
September 6, 2012

chemistry
write a step by step procedure explaining how you will separate the sand, potassium chloride, and iron
September 6, 2012

math
what would the following equation be in vertex form. y=-9x squared+72x+81. I have tried for hours and i cannot figure it out
September 1, 2012

Physics
The left ventricle of the heart accelerates blood from rest to a velocity of + 29.8 cm/s. (a) If the displacement of the blood during the acceleration is + 2.68 cm, determine its acceleration (in cm/s2). (b) How much time does blood take to reach its final velocity?
August 31, 2012

math
all these numbers kind of confuse me. Im not sure what ^ means. Right now the only equation i have learned is y= a(x-s)(x-t)
August 31, 2012

math
the dome over a town hall has a parabolic shape. the dome measures 48 m across and rises 12m at the centre. A vertical column needs to be attached to the dome at a point that is 4m away from its rim. How tall is the dome at this point? Also, what is the equation that models ...
August 31, 2012

math
how would I measure a distance or object using right angled trig?
August 14, 2012

math
Select a real life object (tree flagpole ect) or distance that cannot be measured directly. Describe how to measure an object or distance by right-angled trigonometry using methods such as SOH CAH TOA or the pythogrorean theorem. Organize all the data you need and preform the ...
August 14, 2012

math
a popular tourist attraction in ottawa is the Peace tower, which rises from the Center Block of the Parliment buildings. Describe at least one method that you could use to estimate the height of the tower, including the measurments you would need to make. Include labelled ...
August 13, 2012

math
a popular tourist attraction in ottawa is the Peace tower, which rises from the Center Block of the Parliment buildings. Describe at least one method that you could use to estimate the height of the tower, including the measurments you would need to make. Include labelled ...
August 12, 2012

reading
the reason the test questions and answers is up there because its all wrong answers on purpose for cheaters. when i first started i passed two test by myself. then the last three test try to cheat to use the answers and failed three test then retook them by myself and passed. ...
July 9, 2012

alg
An amplifier has an input power of 5 mW. The output power is 100 mW. What is the decibel gain to the nearest decibel?
June 28, 2012

algebra ll
9y2+4=12y how to solve this equation using the zero factor
June 27, 2012

Math
What is the image of A(4,4) under a reflection in the point P(4,-2)?
June 10, 2012

Math
Jack is married to Jill. Their son, Junior, asked each of them to reveal their ages. Junior’s parents decided to tell him, but in the form of a puzzle. Jack told Junior, “If you reverse the digits in my age, you get your mother’s age. Jill told her son, “...
May 29, 2012

Math
At Irv's Rental Shop, Irv rents all kinds of cycles: unicycles, tandem bikes, regular bikes, and even tricycles for little kids. He parks all the cycles in front of his shop with a helmet for each rider strapped to the cycles. This morning Irv counted 57 helmets and 115 ...
May 15, 2012

statistics
a mean score on a standardized test is 50 with a standard deviation of 10. What are the following: 1. what scores fall between -1 and +1 standard deviation? 2. what percent of all scores fall between -1 and +1 standard deviation? 3. what score falls at +2 standard deviations? ...
May 11, 2012

statistics
where is this formula located on excel?
May 11, 2012

statistics
a final exam in statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?
May 11, 2012

Math
Tino conducted a survey of all the eighth graders in his school for his math project.  He asked each student how much he or she spent on school supplies at the beginning of the year (rounded to the nearest dollar).  He also calculated the average amount spent and ...
May 8, 2012

math 101
al flynn wants to buy a van that cost 16,000 with an interst charge of 2,000. Al figures he can afford a monhtly oayment of 700 per month, If there aew 24 equal payments required could al afford the van.
May 6, 2012

physics
This looked a little sloppy imo... Here's my example 1. Find most probably velocity of Krypton v = √[(2*8.314J/K*273K)/(0.083798 kg)] = 237.75 m/s Find the ratio of each velocity 205/237.75 = .8808 The average is .8851 207/237.75 = .8894 Find the ratio of change in ...
April 18, 2012

Math
Nico was stunned when he opened the mail. Here was a check for $322.50! This was the interest he earned on his investment. One year ago Nico had been given $5,000. His parents made him put it in the bank and save it for college, but they said he could keep the interest it ...
April 16, 2012

chem
Hey you guys how do you find the moles of .75g of He
April 16, 2012

Chemistry
How can you determine which colorless liquid is less dense?
April 6, 2012

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