Friday
December 2, 2016

Posts by Anonymous

Total # Posts: 102,963

simplex method
Maximize P=60x+50y. ? ?x+y?80 ? ?5x+10y?560 ? ?50x+20y?1600 ? ?x?0 ? ?y?0 ? ? ? ? ? ? ? Use the simplex method to solve the problem. Use s, t, and u as your slack variables for the first, second, and third inequalities respectively. Use the final simplex tableau to identify ...
November 23, 2016

Calculus
An object at the origin at time t= 0 has velocity measured in meters per second, v(t) = t/30 if 0 <= t <= 90 = 3 if 90 < t <= 108 = 9-(t/30) if 180 < t When, if ever, does the object return to the origin? t=
November 23, 2016

Further mathematics
Given that x squared + y squared = 5xy,show that; (a) 2log(x+y\?7)=log x + log y. (b). Log ( x- y\?3) = 1\2( log x + log y)
November 23, 2016

pre calculus
can you please explain what steps you take to find ||u||2 when u: <-1,7> v: <6,4>?
November 23, 2016

pre calculus
Can you explain how to find (u • v)(u + v) when u <-1, 7> and v <4, -3>
November 23, 2016

Calculus
Find all values of c that satisfy the Mean Value Theorem for integrals for f(x)= x^{2} on the interval [-3, 3]
November 23, 2016

The Graphical Method
Appericate it !
November 23, 2016

Calculus
If f(x) = integrate t^2 from x to x^2, then f'(x)= f'(-1)= Please help! I have no idea how to approach this.
November 23, 2016

mathematics
novel. x=5.
November 23, 2016

mathematics
a survey of reading habits of 100 students showed that 30 read both comics and novels. 10 read neither comics nor novels and twice as many students read comics as read novels. 1. illustrate the information on a Venn diagram. 2. how many students read only novels. 3. how many ...
November 23, 2016

calculus
how do you work out what ||u||2 is when you are given u:<-1,7> and v:<6,4>
November 23, 2016

pre calculus
Given: u <-1, 7> and v <4, -3> Find: (u • v)(u + v) ________________________________________ <25, 100> <-25, 100> <-75, -100> <75, -100>
November 23, 2016

pre calculus
Use the following vectors to answer the question. u: <-1,7> v: <6,4> What is the projection of u onto v?
November 23, 2016

pre calculus
Use the following vectors to answer the question. u: <-1,7> v: <6,4> What is ||v||2?
November 23, 2016

pre calculus
Use the following vectors to answer the question. u: <-1,7> v: <6,4> What is ||u||2?
November 23, 2016

algebra~help me
18^(4-4y)=54(sqrt(2))^(3y-2) step plz help me
November 23, 2016

physics
Does the kinetic energy of a car change more when it speeds up from 10 to 15 m/s or from 15 to 20 m/s? Explain.
November 23, 2016

physics
Does the kinetic energy of a car change more when it speeds up from 10 to 15 m/s or from 15 to 20 m/s? Explain.
November 23, 2016

Economics(pls Help)
Zoe Goggles is a deep sea underwater photographer. Her camera and lenses are valued at $4,000. There is a chance of 1/20 that she will lose her equipment on a dive over the course of the year. Her wealth, including the value of her equipment, is $30,000. Zoe’s utility ...
November 23, 2016

math
the sum of two no is 50 .the smaller no is two third of the greater no.. find the no.
November 22, 2016

Physics
A 103kg SWAT team member descends a 27.5m cable attached to a helicopter. If he wishes to reach the bottom in 3.5s, what average force should he apply to the cable?
November 22, 2016

math
Bob needs to mix 2 cups of orange juice concentrate with 3.5 cups of water to make orange juice. Bob has 6 cups of concentrate. How much orange juice can he make?
November 22, 2016

Algerbra
Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the given equation. (-8, -4); y=-4x+3 Write an equation for the line in slope-intercept form.
November 22, 2016

Math
A movie theater sold 3 adult tickets for every 5 children tickets. They sold 180 more children tickets than adult tickets. How many children tickets were sold and how many adult tickets were sold?
November 22, 2016

Math
How many different integers represent the sum of two or more members of the set {-4,-3,-2,-1,0,1,2,3,4}?
November 22, 2016

art
what other natural resource is mixed with these pigments to make paint? A)oils** B)graphite C)charcoal D)clay
November 22, 2016

Math
Deposit $5 weekly in 40 yrs what is the balance
November 22, 2016

PHYSICS URGENT!!!
^ you suck dick you faggot. go back to bangladesh
November 22, 2016

PHYSICS URGENT!!!
maybe you should listen in our sef005 lectures
November 22, 2016

maths need help
If Log (a+3) (base 9) - log b(base 9)= c + (1/2) and log (a-3) (base 3) + log b (base 3)=c - 1. show that a^2=9 + 27^c and find the possible values of a and b when c=1
November 22, 2016

Math
Q. a^4 - 13a + 36 Factorise
November 22, 2016

PHYSICS PLEASE HELP ME
ay that makes no sense cuz. Fix up look sharp bruv.
November 22, 2016

math
If a circle is circumscribing triangle xyz,find the radius of the triangle. Calculate the area inside the circle but outside the triangle
November 22, 2016

Chemistry
Is "a color of solution becoming less intense due to dilution" maybe evidence of chemical reaction or not?
November 21, 2016

Physics
Is it true that with buoyancy, the weight of the displaced water equals the weight of the complete object, even if only a part of the object is submerged? If so, why, since the weight of a larger object would be greater than that of a smaller one?
November 21, 2016

algebra
The revenue function for a bicycle shop is given by R(x) = x · p(x) R x x p x dollars where x x is the number of units sold and p(x) = 100 − 0.4x p x 100 0 4 x is the unit price. Find the maximum revenue.
November 21, 2016

dav chd
Depress the quartic x^4 - 4x^3 + 2x^2 + 4x + 4 into w^4 - 4w^2 + 7
November 21, 2016

american goverment check answers
9.a
November 21, 2016

american goverment check answers
9. What criteria might a judge who abides by a philosophy of judicial restraint use to decide a case? (1 point) The judge would consider previous court decisions on the topic but ultimately consider the current circumstances and changes in society. The judge would not consider...
November 21, 2016

social studies
On November 12, 1815 Elizabeth Cady Stanton spokesperson for the rights of women was born in Johnston, New York. Stanton formulated the philosophical basis of the woman suffrage movement, blazing a trail many feared to follow. Stanton verbal brilliance combined with the ...
November 21, 2016

science
A librarian lifts a box of books that weighs 93N a distance of 1.5 m. How much work does he do?
November 21, 2016

social studies
On November 12, 1815 Elizabeth Cady Stanton spokesperson for the rights of women was born in Johnston, New York. Stanton formulated the philosophical basis of the woman suffrage movement, blazing a trail many feared to follow. Stanton verbal brilliance combined with the ...
November 21, 2016

social studies
1. According to the passage, what can be inferred about how Elizabeth Cady Stanton’s personal qualities affected the women’s suffrage movement? Her enthusiasm gave the movement a set of core beliefs. Her philosophical views provided the movement with a clear focus. ...
November 21, 2016

algebra
It took Joe 1 1/2 hours to walk to the mall. James did it in 1/5 of the time it took Joe. How long did James take?
November 21, 2016

general
Hmmm. What you mean is that you want her to digest the articles and explain what they mean, rather than reading them yourself and giving it some thought.
November 21, 2016

Math
56 decreased by twice Craig's savings
November 21, 2016

Social studies
It doesnt say the answer in their
November 21, 2016

Social studies
Can u help me
November 21, 2016

Social studies
Hi ms sue what is the answer to the question A; they allow producers better access to world markets ? B; they make it possible to employ more skilled labores ? C ; they provide tools that make production more efficient ? D ; they purchase raw materials needed for production
November 21, 2016

Social studies
How are capital resources used in production
November 21, 2016

Maths help asap please.
Thank you so much.
November 21, 2016

Maths help asap please.
The product of two consecutive positive integers is added to the larger of the two integers. Prove that the result is always a square number. Thank you for your help.
November 21, 2016

Maths
The product of two consecutive positive integers is added to the larger of the two integers. Prove that the result is always a square number. Thank you for your help.
November 21, 2016

math
area of a regular octagon of side 12.5
November 21, 2016

Physics
In a vertical lifting an object with mass of 2kg is lifted 1m above the ground. A work of 80J is done with a constant force. What is the acceleration of the object?
November 21, 2016

Physics
An astronaut lands on a distant planet and places a mathematical pendulum with a length of 50 cm. He measures that the pendulum makes 100 oscillations in 136 sec. What is the gravity acceleration on that planet.
November 21, 2016

chemistry
Suggest a source of error (not already mentioned) that would result in a value of x that is a) higher than the actual value b) lower than the actual value
November 20, 2016

College Math
Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing three red marbles, four green ones, five white ones, and one purple one. She grabs seven of them. Find the probability of the following event, expressing it as a fraction in lowest terms...
November 20, 2016

physics
A solar collector is placed in direct sunlight where it absorbs energy at the rate of 780 J/s for each square meter of its surface. The emissivity of the solar collector is e = 0.76. What equilibrium temperature does the collector reach? Assume that the only energy loss is due...
November 20, 2016

Life Science Math
Cheetahs are the fastest land mammal. They can accelerate from 0 to 60 mph in 3 seconds. Assuming a cheetah’s acceleration is constant, how far has it run during that time interval?
November 20, 2016

Mcro-Econ
na
November 20, 2016

interior decoration
Which one of the following colors can you use to make a warm room seem cooler? A. Orange C. Yellow B. Red D. Blue
November 20, 2016

american goverment check answers
3.  What type of court has original jurisdiction over a case involving an American suing a citizen of another country? (1 point) federal court state court Supreme ...
November 20, 2016

Calculus
A small island is 2 km off shore in a large lake. A woman on the island can row her boat 10 km/h and can run at a speed of 20 km/h. If she rows to the closest point of the straight shore, she will land 6 km from a village on the shore. How far from the village should she land ...
November 20, 2016

Calculus
A factory is located on one bank of a straight river that is 2000 m wide. On the opposite bank but 4500 m downstream is a power station from which the factory draws its electricity. Assume that it costs $3 per meter to lay an underwater cable and $1 per meter to lay an above ...
November 20, 2016

math
Toffees are bought at 4 for a rupee and the same number at 6 for a rupee. Then, they are mixed and sold at 5 per rupee. What is the net profit or loss?
November 19, 2016

Algebra, 8th Grade mathematics
I need help on this question. My aunt doesn't understand it so can you help me? 1+3+3^2+3^3+3^4+••••••+3^250=? The "^" is for Square, cube and ect. It also includes X= 3^?-1 Can you help me please?
November 19, 2016

science
what types of are formed when atoms share electrons unequally
November 19, 2016

SS and i need SOS. please help me
THIS IS CRAP I GOT 33.3%
November 19, 2016

Science
How much sugar is needed to reach the point of saturation at 20 degrees celsius?
November 19, 2016

Math
a) A woman is twice as old as her daughter. Five years ago the sum of their age was 62. What are their present ages. b) A bottle is half full. After adding 275 mL to the bottle it is three quarters full. How much does the bottle hold when full?
November 19, 2016

Consumer Math
On retirement Victor was offered the option of receiving monthly payment of $1674.08 or a lump-sum payment of $150667 a) What are the respective incomes per annum of each option if the lump sum can be invested at 11.5% p.a. b) At what interest rate must the lump sum be ...
November 19, 2016

math
Karen earns a weekly gross salary of $628. Tax of $148.90 is deducted. 4.5% is paid into a superannuation fund a 8% is paid directly towards mortgage. Karen aims to save 10% of her remaining income. What amount will she save each week?
November 18, 2016

african american history
WHAT WAS A MAJOR CONCERN TO FREE BLACKS
November 18, 2016

Calculus
Consider the function g(x) = sinxcosx. a. Find an equation of the tangent line to the graph of g at (pi/3, sqrt3/4). b. Find the critical number(s) of g on the interval [0, 2pi]. Does the function have a relative minimum, relative maximum, or neither at each critical number. ...
November 18, 2016

math
what is a ordered pair? can you give me some examples please
November 18, 2016

history
What was it ?
November 18, 2016

Literacy
number 4 was correct
November 18, 2016

Literacy
Which of the following details from “Harriet Tubman” best supports the inference that Tubman had religious beliefs? 1(She is known by the code “Moses” among the escaping slaves.*** 2)She signals her arrival to the escaping slaves with a forbidden song. 3)...
November 18, 2016

Government
It's a
November 18, 2016

math
The original price of a leaf blower is $80. How much will Sean pay if he buys it during the sale? $
November 18, 2016

Physics
An empty SG bottle weights 25 g.When filled with water completely it weights 55 g and with alcohol it weights 48 g. Find the RD of alcohol A numerical
November 18, 2016

Physics
An empty SG bottle weights 25 g.When filled with water completely it weights 55 g and with alcohol it weights 48 g. Find the RD of alcohol A numerical
November 18, 2016

Physics
An empty SG bottle weights 25 g.When filled with water completely it weights 55 g and with alcohol it weights 48 g. Find the RD of alcohol A numerical
November 18, 2016

US History
All of the statements below are examples of a social revolution that came with the political revolution in the late 18th century except for: A. In the majority of states, state legislatures eliminated property qualifications for voting. B. Trade organizations for commoners ...
November 17, 2016

US History
All of the following were weaknesses of the Articles of Confederation except: A. no courts B. a vote of 50% of the thirteen states could amend the Articles C. no power to levy taxes D. no power to regulate commerce E. each state had a single vote regardless of population Is ...
November 17, 2016

Calculus: Centers of Mass
Nevermind, I got it. c = Mc/M, where Mc is the double integral over the region R [c(dA)]. Since the intersections are at (0, 0), (4, 0), and (2, 2), it's easiest to set this up in dydx. For x this becomes integral(0, 2) integral (y^2/2, 4-y) x dydx. Divide this by the ...
November 17, 2016

Calculus: Centers of Mass
Find the centroid of the region in the first quadrant bounded by the x-axis, the parabola y^2 = 2x, and the line x + y = 4. I've graphed the function, and it looks like a triangle with one side curved (the parabola). I'm not quite sure how to go about the rest of the ...
November 17, 2016

US History
The French and Indian War began with the battle between the British and French for: a. Quebec b. Fort Louisburg c. Fort Duquesne d. Pittsburgh e. Albany C is my answer.
November 17, 2016

US History
True...I guess they want to test our knowledge of the timeline of events.
November 17, 2016

US History
ALL of the following statements are correct about the slave trade EXCEPT: a. It began with the Portuguese exploration of West Africa from Senegal to Angola in the fifteenth century b. It increased when the Portuguese built several fortified outposts along the African coast c. ...
November 17, 2016

US History
The Dutch settlement of New Netherland was: A. highly aristocratic with large feudal estates called patroonships B. very successful due to available volunteers who received 50 acres of land for every four adults C. successful from the beginning because the colony's welfare...
November 17, 2016

US History
ALL of the countries below are matched CORRECTLY with the outcomes of colonization except for: a. English: established permanent settler colonies despite hardships b. Spanish: failed to find gold or to convert the Indians to Christianity c. French: succeeded in the fur trade ...
November 17, 2016

graph linear equations
I have tried going through the TI-84 plus manual that came with my calculator, so that I can graph this linear equation: 3x+4y=-16. I have not been able to graph linear equations. Can someone please tell me how to enter this equation properly into my calculator? I have solved ...
November 17, 2016

Alabama history
what effect did the great awakening and the enlightmant have on the colonies
November 17, 2016

Chemistry
Calculate the amount of heat required to convert 155 g of ice at -10oC to steam at 110oC? (155g)x[0-(-10)]C x (.50cal/g x C) = 775cal (155g) x (80cal/g) = 12400cal (155g)x(100-0)C x (1.00cal/g x C) = 15500cal (155g) x (540cal/g) = 83700cal 775cal + 12400cal + 15500cal +...
November 17, 2016

TASTY MATH!
6/24 = ??? 10/36 ??? 1/4 = 5/18 ??? I think not :) how about making 40 ? or use 9 tablespoons for 36 cookies because 9/36 = 1/4
November 17, 2016

re: Differential Calculus
x = 0, y = pi -x^2 2 cos y sin y dy +cos^2y 2 x dx - cos y dy = 0 2 cos^2 y x dx=cosy (2x^2siny+1)dy dy/dx = slope m m = 2 x cos y/(2x^2siny+1) at (0,pi) m = 2 * 0 = 0 Oh my :) horizontal there so what is y at x = 0 and y = pi LOL, zero so along the x axis
November 17, 2016

MATHIN-HELPN!
Wut the awnser?
November 17, 2016

math help pls
well, 6 - 6 = 0 all right :)
November 17, 2016

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