Thursday
October 23, 2014

Posts by Tony


Total # Posts: 808

algebra
the second side of a triangle is 6 inches longer than the first side. the third side is 2 inches shorter than the double the first side. the total perimeter of the triangle is 24 inches. find the lengths of all three sides of the triangle
October 22, 2014

Spanish 1
I made the corrections, thank you so much you were very helpful. :)
October 16, 2014

Spanish 1
Okay thanks :)
October 16, 2014

Spanish 1
Hola Tia, Gracias por el dinero de mi cumpleaños. Compré pantalones y camisas en la tienda de descuentos. Cuestan $20 dólores. Pagué $2.50 dólores por los patalones verdes y $2.50 dólores por los jeans morados. Me gusta más los ...
October 16, 2014

physics
What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 1.2 Newtons?
October 2, 2014

physics
Forces of 8.85 N and 2.21 N act at right angles on a stack. What is the mass of the stack if it accelerates at a rate of 4.4 m/s^2?
October 2, 2014

Physics
Forces of 9.5 N and 5.12 N act at right angles on a reddish-green block of mass 3.19 kg. How much acceleration occurs?
October 2, 2014

math
What is the function rule for input x 1,2,3,4,5,6 and output 0,1,3,6,10,15? Thanks
September 8, 2014

eng composition
Thanks..I may have one more.
August 29, 2014

eng composition
Amy and carl are discussing the essay by tardiff and brizee. Army argue that her essay on how the cocoa bean is processed into chocolate should becconsidered an explanatory essay. Carl remaks that her essay might be called an explository essay. Who is correct? A. Amy is ...
August 29, 2014

eng composition
I picked B
August 29, 2014

eng composition
Which statement is true? A. Once you write a thesis statement dont change it. B. A theisi statement is the first thing you should write before drafting an essay. C. Feel free to change a thesis statement if you feel you can improve it. D. If you change your thesis statement ...
August 29, 2014

eng composition
while researching a topic, online or in print anyofthe following may be an indicator of reliability except for which one? A. The author or authors are experts in a particular field. B. The author's topic is similar to your selected topic. C. The author evaluates both sides...
August 29, 2014

sentence fragment
Both Egypt and Mesopotamia developed an organized government that consisted of one ruler maintaining order, but Egypt had a centralized authority while Mesopotamian political powers was more distributed among all the city-states. This is a topic sentence to a paragraph. can ...
July 8, 2014

essay proofreading and criticism
The agricultural revolution marked a decisive turnign point in human history. What evidence might you offer to support this claim and how might you argue against it? I fnished my essay. My questions are within the essay. The agricultural revolution is known as one of the great...
June 28, 2014

history civilization thesis help.
The agricultural revolution marked a decisive turning point in human history. What evidence might you offer to support this claim, and how might you argue against it? That's the essay question. I'm in college so i'm expected to give a really good essay but i suck. ...
June 27, 2014

Math
Charlie is due a refund of $800. If he wants to receive his money 2 months early then he must pay a $50 fee. What is the annual simple interest rate?
June 23, 2014

trianom
the min. of a clock is 9 inches long and move from 6 to 8 o'clock. hor far does the tip of the min. hand move?
May 21, 2014

algebra
A rectangular garden is fenced on thee sides with a wall forming the fourth side. The total length of the fence is 70m. The area of the garden is 600m^2. Find the dimensions of the garden.
April 30, 2014

Math Help
Consider the quadratic equation (a) Solve the equation using the quadratic formula, expressing your answer in terms of k. (b) What condition on k will assure that the equation has exactly one solution? (c) What condition on k will assure that there are two real roots?
April 28, 2014

Help- Math
Thank you so much :)
April 28, 2014

Help- Math
Newtons law of gravity states that the gravitational attraction F between two bodies is proportional to 1 over the square of the distance d between their centers. (a) Using k as the constant of proportionality, express F as a function of d. (b) What happens to F near the pole ...
April 28, 2014

Math
What is the order of the set a={-1,20,3,17,5}
April 21, 2014

finances
its not b
April 17, 2014

finances
In a Chapter 7 bankruptcy, a debtor: A. is required to draw up a petition listing all assets and liabilities. B. does not have to pay a filing fee. C. is absolved of alimony and child support payments. D. does not have to repay educational loans.
April 17, 2014

personal finances
If creditors add finance charges after subtracting payments made during the billing period, this is called the: A. APR method. B. average daily balance method. C. previous balance method. D. adjusted balance method. its not A or D someone help me
April 17, 2014

Aerodynamics
Please if you could help with this... and explain very carefully I'll be very thankful. The dragonfly has a wing chord of 0.01 m, and can fly at 10 m/s. Assume roughly sea level viscosity ν=1.45×10−5m2/s. Determine the momentum thickness θ...
April 16, 2014

Physics
Two identical pucks are set on a collision course on an air table. After the collision, puck A has a final velocity of 5.00cm/s at an angle of 28 degrees from the vertical and puck B has a final velocity of 4.00cm/s at an angle of 32 degrees from the vertical. Determine the ...
March 30, 2014

cal
Using the Second Partials Test Find the relative extrema of f(x,y)=-x^(3)+4xy-2y^(2)+1
March 16, 2014

cal
Using a Lagrange Multiplier with One Constraint. Find the maximum value of f(x,y)=4xy, where x>0 and y>0, subject to the constraint (x^(2)/3^(2)+(y^(2)/4^(2)=1.
March 15, 2014

phys
A 1000-kg airplane moves in straight flight at constant speed. The force of air friction is 1800 N. The net force on the plane is
March 13, 2014

phys
A 12-kg crate rests on a horizontal surface and a boy pulls on it with a force that is 30 degree below the horizontal. If the coefficient of static friction is 0.40, the minimum magnitude force he needs to start the crate moving is:
March 12, 2014

phys
A short 10-g string is used to pull a 50-g toy across a frictionless horizontal surface. If a 3.0 x 10^(–2)-N force is applied horizontally to the free end, the force of the string on the toy, at the other end, is: A) 0.15 N B) 6.0 x 10^(–3) N C) 2.5 x 10^(–2) N...
March 8, 2014

english
need help with writing a five-sentence paragraph using chronological order on signing on to my homepage is simple
February 11, 2014

economics
1. Think of any real-world business and assume that this business intends to increase its price. Explain what this business could do to make the demand for its product more inelastic.
February 11, 2014

lube oil systems
With many lube oil systems, it is common to cool the oil before it is pumped to the end user (engine, compressor, etc). However, for large centrifugal compressors, it is common to pump the lube oil hot, and cool the oil immediately before it enter the compressor. Since we know...
January 29, 2014

compressor operations
We are operating a centrifugal compressor. The gas composition does not change during this excursion. While holding suction pressure and flowrate constant, the inlet temperature rises. What would you expect to happen to the discharge pressure, and why
January 29, 2014

Centrifulag pump curve
Q4 The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rate, shown as backwash curve. Service duty point : 3 m3/h Backwash duty point : 9 m3/h Part (a) (4 marks) What is the speed of the pump to ...
January 29, 2014

compressors
We have a compressor that has two problems ¡K the engine is constantly loaded to maximum, and the life of compressor valves is short. It is suggested to reduce the lift on the compressor valves. What problem would this help? Why would this help? What problem would this ...
January 29, 2014

MATH
A CERTAIN RECIPE ASKS FOR 2/9 CUP OF GRANOLA. HOW MUCH IS NEEDED TO MAKE 7/3 OF A RECIPE?
January 21, 2014

MATH
A CERTAIN RECIPE ASKS FOR 2/9 CUP OF GRANOLA. HOW MUCH IS NEEDED TO MAKE 7/3 OF A RECIPE?
January 21, 2014

cal
In my book I have diff answer. Can you double check your work?
December 26, 2013

cal
The end plates (isosceles triangles) of the trough show below were designed to withstand a fluid force of 5800 lb. How many cubic feet can the tank hold without exceeding this limitation? Assuming the density is 62.4 lb/ft^3, the maximum volume is ____ ft^3. View the graph at...
December 26, 2013

cal
Solve the problem. Find the area between y=(x-2)e^(x) and the x-axis from x=2 to x=5.
December 23, 2013

cal
Find the area of the region enclosed by the curve y=xsinx and the x-axis for 7π ≤x ≤8π .
December 23, 2013

cal
Evaluate the integral. ∫5sec^(4)x dx I got 5(secx+tanx)^(5)+C. is it right.
December 23, 2013

cal
I have these ans. chocies: pi(e-1) 2pi(e^(2)-1) pi(e^(2)-1) pi e Is it pi(e^(2)-1)
December 23, 2013

cal
Solve the problem. Find the volume of the solid generated by revolving the region bounded by the curve y=lnx, the x-axis, and the vertical line x=e^(2) about the x-axis.
December 23, 2013

calc
Determine if the following functions grow faster, slower, or at the same rate as the function 2e^(2x) as x → ∞. a. 3.2^(2x) b. e^(x/6) c. 1/8 e^(2x)
December 16, 2013

Astronomy
Tut tut - this is meant to be all your own work!
December 5, 2013

Statistics
Your program plans to acquire a total of 600 end items costing $535 million over a five-year period. The first production contract is to be awarded in FY04. The number of items to be procured (not delivered) each year and their estimated cost (in then-year dollars) is shown ...
December 3, 2013

cal
i think i got the answer. thanks anyway..
November 23, 2013

cal
The function gives the distances (in feet) traveled in time t (in seconds) by a particle. Find the velocity and acceleration at the given time. s= √(t^2-5), t=3
November 23, 2013

cal
Find the largest open intervals where the function is concave upward. f(x)= x/x^2+1
November 22, 2013

cal
I was doing final review for my exam and the ans to this question is given 8x^(3/2)-1/4x^(3/2) at the end of the answer key sheet. i might have to check with my prof. But thank you Reiny & Jai.
November 22, 2013

cal
haha is it then 2x^(3/2)-1/x^(3/2)
November 22, 2013

cal
Find the largest open intervals where the function is concave upward. f(x)=x^4-8x^2
November 21, 2013

cal
Decide if the given value of x is a critical number for f, and if so, decide whether the point for x on f is a relative minimum, relative maximum, or neither. f(x)= 2x^3-3x^2-12x+18; x=2 the ans. is "Critical number, minimum at (2,-2) but dont know how?
November 21, 2013

cal
Find f"(x) for the function. f(x)= 2x^3/2-6x^1/2
November 21, 2013

cal
Use the differential to approximate the quantity to four decimal places. √(122)
November 20, 2013

cal
Where did you made error on the first one? did you typed wrong numbers or problem.
November 20, 2013

cal
Find dy for the given values of x and Δx. y=4/x^4+3√x; x=4, Δx=.5
November 20, 2013

cal
Perfect!!!
November 20, 2013

cal
Find the average value of the function on the given interval. f(x)= √x+2; [1,7]
November 20, 2013

cal
I'm lost here. I think i'm adding wrong numbers or something else here.
November 20, 2013

cal
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle. f(x)=3/x from x=2 to x=6; n=4
November 20, 2013

cal
Evaluate dy/dt for the function at the point. y√x+1 = 12; dx/dt = 8, x=15, y=3
November 19, 2013

9th Grade Math
How to write 0.023494751 and 0.040381247 as a percent rounded to one decimal? Would it be 2.3% and 4.0%?
November 17, 2013

9th Grade Math
How to change 84.9% and 88.1% to a decimal? Would it be 0.849 and 0.881?
November 17, 2013

us history
Leading the underground railroad in to further North to Canada, was due to the Fugitive Slave Act. is it true.
November 16, 2013

Pipeline design
Sketch a preliminary layout for the following heat exchanger systems. On the layout sketch indicate pipe work manifolds, access platforms, access for construction, operations and maintenance. In your answer we are looking for thought into the relative sizes of these heat ...
November 14, 2013

cal
A conical tank (with vertex down) is 12 feet across the top and 18 feet deep. If water is flowing into the tank at a rate of 18 cubic feet per minute, find the rate of change of the depth of the water when the water is 10 feet deep. I got 81/200pi ft/min.
November 2, 2013

US History Mrs. Sue
Select the group that best embraced the beliefs of Abraham Lincoln. Abolitionists or The Free Soil Party. Is it Abolitionists.
October 31, 2013

math
A box of chalk and 2 staplers cost $10. Three boxes of chalk and 2 staplers cost $18. Find the total cost of 1 box of chalk and 1 stapler.
October 27, 2013

physics
suppose the diver vaults off the springboard, leaving it with an initial speed of 3.50 m/s upward. use energy conservation to find his spped when he strikes the water.
October 23, 2013

math
I need help on study links 2.9 for 5 grade
October 10, 2013

science
light has what range of wavelength
October 4, 2013

Calculus
so answer would be none or nowhere.
September 24, 2013

Calculus
g(x)= {0 if x<0 {x^3-3x if 0≤x≤3 {3 if x>3 If it was like this one. Then what? Same
September 24, 2013

Calculus
g(x)= {0 if x<0 {x^2-2x if 0≤x≤2 {2 if x>2 Find all values x=a where the function is discontinuous. Is the answer 0 and 2 or just 2?
September 24, 2013

Calculus
So not continuous at x=-8 and function is not defined right.
September 24, 2013

Calculus
f(x)= |x−8| / x+8 Is the function is not continuous at x= -8,8 or just at -8.
September 24, 2013

Calculus
So the function is defined or not defined.
September 24, 2013

Calculus
f(x)= ⎨x^2-1 / x+1, for x not = -1 ⎨8, for x=-1 I'm trying to graph and determine the values of x for which the function is continuous. Does the graph looks like a u shape opening up or a line.
September 24, 2013

Lubrication
A pump fitted with 50mm bore ball bearings uses an oil whose viscosity ranges from 100cSt at cold pump start-up to 7.5Cst when running at maximum speed and load. If these viscosities are the safe limits for the oil, specify the maximum start-up speed and the maximum running ...
September 23, 2013

Calculus
Find the limit. lim x→1 x^4-5x^3+7x^2-6x+3 / x-1
September 22, 2013

Calculus
Also suppose If lim x→6 had been lim x→5 would that had been changed the answer. Or it would be same.
September 22, 2013

Calculus
My fault. Sorry about that. Thank you
September 22, 2013

Calculus
4^9 = 262144 Is this the answer!! I got 3.
September 22, 2013

Calculus
Give an appropriate answer. Let lim x→6 f(x)=81. Find lim x→6 4^√f(x).
September 22, 2013

Mechanics
In a direct acting pressure relief valve, 64 bar pressure is acting on the conical dart seating area and the dart is kept closed by a spring force of 50 kg opposing the pressure. (5) a) Determine the bore diameter on the seat. b) What will the spring force be if a pressure of ...
August 21, 2013

Algebra
center is (-4,3)
July 28, 2013

Algebra
Find center, vertices, foci. (x+4)^2/36 + (y-3)^2/100 =1
July 28, 2013

Business Statistics
a sample of 16 people reveals the mean consumption to be 60 gallons with the standard of deviation of 20 gallons
July 28, 2013

trig
Given that P=(-1,8) and Q=(-2,1), find the component form and magnitude of the vector 3 PQ.
July 28, 2013

business math
If you can earn 5%, how much will you have to save each year if you want to retire in 35 years with $1 million?
July 23, 2013

trig
tan(7π/4) + tan(5π/4) Does this = 0
July 18, 2013

trig
Simplify: csc^2 x sec x / sec^2 x + csc^2 x
July 16, 2013

Algebra
Determine whether the equation defines y as a function of x. y=-17
July 15, 2013

trig
tan (pi/2 - x) = sin (pi/2 - x) / cos (pi/2 - x) But sin (pi/2 - x) = cos x and cos (pi/2 - x) = sin x <=> tan (pi/2 - x) = cos x / sin x = cotan x <=> tan (pi/2 - x) * tan x = cotan x * tan x = (cos x / sin x) * (sin x / cos x) = 1
July 14, 2013

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