Friday
February 12, 2016

# Posts by kenny

Total # Posts: 172

English
I don't know what the quotes R for the poem the city is so big
January 20, 2016

Math
Sketch a possible graph for a function where f(-2) exists, lim as x->-2 exists, f is not continuous at x=-2, and lim x->1 doesn't exist. How do I make this graph exist at x->-2 but still be discontinuous?
December 13, 2015

Math
piece wise function{y=x^2-2, x=<1 and y=1.5x-2.5, x>1. find slope of tangent at x=1 of piece wise function. So is it 2, 1.5, or no tangent? I am confused by the 2 graphs(piecewise). Thanks
December 11, 2015

Math
lim (6x+1)/(|6-2x|) as x->infinity is what number? I thought it was 0, but answer key says 3. How?
December 11, 2015

Math
Oh and please do not answer with derivatives. Need to use the (f(x-h)-f(x))/h
December 10, 2015

Math
How do I do this question: find slope of the curve y=1/(X-1) at X=2. I don't get the algebra here, how is it equal to -1? Thanks
December 10, 2015

Math
Examine the diagram. A piston rod, PQ, is connected to a wheel at P and to a piston at Q. As P moves around the wheel in a counterclockwise direction, Q slides back and forth. there's a unit circle. origin to intersection at (1,0) is point P. Extending beyond the edges of ...
November 13, 2015

Math
Please help me with this home work Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC? Thank you
November 11, 2015

Math
Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC?
November 11, 2015

statistics
A B C D E F G
September 25, 2015

math
How many ways are there to roll out a 3 question True or False?
September 12, 2015

math
A jet flew at an average speed of 480 mph from Point X to Point Y. Because of head winds, the jet averaged only 440 mph on the return trip, and the return trip took 30 minutes longer. How many hours was the flight from Point Y to Point X? how far is it from Point X to Point Y...
July 24, 2015

Algebra
Okay, thank you Reiny :)
July 24, 2015

Algebra
Name the axis to which major axis is parallel and find the center of 9(x + 1)² + 27(y - 1)² = 81
July 24, 2015

math
cot 1.5 degrees = h/151 151 cot 1.5 degrees = h h = _______________
April 18, 2015

math
The Statue of Liberty is about 151 feet tall. If the angle of elevation from a tree in Liberty State Park to the statue's top is 1.5 degrees, how far is the tree from the statue? cot 1.5 DEGREES= h/ 151 151 cot 1.5= h h= ________
April 18, 2015

math
cot 1.5 degrees= h/151 151 cot 1.5= h h= _________
April 18, 2015

math
The Statue of Liberty is about 151 feet tall. If the angle of elevation from a tree in Liberty State Park to the statue's top is 1.5 degrees, how far is the tree from the statue?
April 18, 2015

math
the angle of elevation from a ship to a 135-foot-tall lighthouse is 2 degrees. How far is the ship from the lighthouse?
April 18, 2015

Math
a surveyor is 3 miles from a mountain. The angle of elevation from the ground to the top of the mountain is 15 degrees. What is the height of the mountain?
April 18, 2015

Algebra 2
D'Andre has decided that he needs to get more exercise, so he is building a running regimen for himself. He decides that, beginning on Sunday, he'll fun 10 feet. On each subsequent day he'll double the distance he ran the previous day. So he'll run 20 feet on ...
February 25, 2015

child development part 1
nevermind 12
February 25, 2015

math
In the equation 1/5 (x-50)=25 X represents the number of pages of a book.
December 15, 2014

physics
A 1543.1 kg car is traveling at 25.1 m/s when the driver takes his foot off the gas pedal. It takes 5.7 s for the car to slow down to 20 m/s. How large is the net force slowing the car? Answer in units of N
December 9, 2014

Math
What is the rule for this function? input 2 output 5 ,input 4 output 13, Input 6 output 21, Input 8 output 29, Input 10 output 37 Please help now thanks
December 1, 2014

science
How does substrate concentration affect enzyme activity. If you do not know the answer, please reply this question letting me know.
November 13, 2014

MATH
FIND THE UNIT RATE ROUND TO THE NEAREST HUNDREDTH ?TRAVEL 250 MIN IN 5 HOUR
November 6, 2014

Science Help
1.) A rail gun uses electromagnetic energy to accelerate objects quickly over a short distance. In an experiment, a 2.00 kg projectile remains on the rails of the gun for only 2.10x10-2 s, but in that time it goes from rest to a velocity of 4.00×103 m/s. What is the ...
October 18, 2014

Physics
a person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 10 m/s. the cliff is 48 m above the water's surface as shown. how long does it take for the stone to fall to the water? the acceleration of gravity is 9.81 m/s2. answer in units of s
October 17, 2014

Physics
A horizontal force of 150 N is used to push a 42.0-kg packing crate a distance of 6.60 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following.
October 1, 2014

College Algebra 1
Using the factoring method, solve for the root: 10x^2-41x=-21
August 23, 2014

trig
In 60 ft. Run sith a 21 degree slope what is rise(ft)
July 16, 2014

statistics
A committee of three people is to be formed. The three people will be selected from a list of five possible committee members. A simple random sample of three people is taken, without replacement, from the group of five people. Using the letters A, B, C, D, E to represent the ...
July 16, 2014

Automotive Engine Types
A 2.2 liter engine would have a displacement of approximately
June 18, 2014

MATH Graph
Go on the point of origin (0). Rise up 1 and make a dot. Then from that point go rise up one and go over to the right two spots. Keep repeating until you are satisfied.
June 3, 2014

Calculus
x(x^2-1)^3 using change of variable
May 21, 2014

Calculus
so is it a problem if I used dA/dx instead?
May 21, 2014

Calculus
Reiny you are a Godsent Thanks Alot ^_^ Feeling more confident for finals now!
May 21, 2014

Calculus
a rectangular storage area is to be constructed along the sides of a tall building. A security fence is required along the three remaining sides of the area. What is the maximum area that can be enclosed with 1000m fencing?
May 21, 2014

Calculus
Thanks Alot I was really puzzled on this one.
May 21, 2014

Calculus
a meteorite slams into the earths crust and penetrates d=(1200t-36000t^2)m in t seconds after impact. What is the maximum depth of penetration?
May 21, 2014

Math
Find the period and the amplitude of the periodic function y=3cos 4x
May 19, 2014

Math
Suppose there is a cow that is tied to the corner of a barn with a rope as shown in the figure below. One side of square barn measures 50 yards and all the doors on the barn are closed, so the cow cannot enter the barn (he must walk around the sides only). How large of an area...
April 24, 2014

math
how do I find the product for 15x3 1/5 using distributive property,help please
March 31, 2014

math
Anna uses 5/6 tank of gas each week driving to work . How many tanks of gas does Anna use in 1 2/3 months.
March 24, 2014

Algebra
Graph the rational function x/(x-6) To graph the function, draw the horizontal and vertical asymptotes (if any) and plot at least two points on each piece of the graph.
March 24, 2014

Statistics
The following is a list of 13 measurements: -38,-89,-47,-43,-70,59,92,97,23,-11,-62,-22,-5. Suppose that these measurements are respectively labeled X1,X2,...,X13 Find the sum when i=1 Xi/30.
March 23, 2014

social studies
liers all liers
February 23, 2014

Algebra
The original price of a pair of jeans is \$80. A store marks a pair of jeans as discounted at 40% off. It then has a store wide clearance of 20% off all marked prices. If you come during the sale and use a "40% off" coupon to buy the jeans will they be free? Why or ...
September 8, 2013

Algebra
Negative three times the sum of a number and one is less than or equal to the difference of 5 times the number and 9.Graph the solutions.
September 8, 2013

Algebra
Gail and her brother Henry had a combined age of 47. If Gail was twice as old as Henry ten years ago, how old is Gail today?
September 8, 2013

physics
During the second stage of a rocket launch the rockets upward velocity increases from 980 m/s to 9000 m/s with an average acceleration of 33 m/s*. How long did the acceleration last??
September 6, 2013

math
please show me how to solve this (2x - 5y) power of 2 i am having a problem with the way to step by step please solve this
April 23, 2013

physics
A metal block of mass 5kg lies on a rough horizontal platform.If a horizontal force of 8N applied to the block through its centre of mass just slides the block on the platform,then the coefficient of limiting friction between the block and the platform is
February 24, 2013

Division story
They were 25 buttons they put five buttons in each paper how many paper were they answer 5
February 6, 2013

math
You deposit \$6,700 in a money-market account that pays an annual interest rate of 3.3%. The interest is compounded quarterly. How much money will you have after 4 years?
February 6, 2013

chemistry
what mass of aluminum hydroxide needs to be consumed to neutralize 1.25L of stomach acid (HCl). Stomach acid has a pH of 2.2
November 29, 2012

chemisty
What volume of 0.250 M calcium chloride needs to be added to sodium phosphate to produce 35.0g of calcium phosphate?
November 29, 2012

Pre-Cal
1.y=f(x) 2.x=f(y) Is the second equation an inverse of the first equation or is it no a function?
November 22, 2012

CHEMISTRY: URGENT
1) the element Q has the electronic configuration 1S2, 2S2, 2p6, 3s2, 3p6, 4s2 3d10, 4p1. Write the atomic #. Q exist as 69Q and 71Q. What is the significance of the 2 #'s. What does it mean. B) find the atomic mass if 69Q is 60% anf 71Q is 40%
November 6, 2012

Math
A function whose domain is all reals, and which maps all rational numbers to 1 and all irrational numbers to 0.
September 20, 2012

Algebra..
Help ? Find the slope of the line that is a) parallel and b) perpendicular to the given line. 1. x=-8 2. y=10
September 14, 2012

Physic
One gallon of paint (3.79 Liters) covers an area of 26.0 m2. What is the thickness (in mm) of the fresh paint on the wall. Please help, I have no idea where to start thank you!
August 25, 2012

criminal justice
You have completed your investigation on allegations against a plant employee of an acquired corporation, Lake Inc. That is based on the basic information given below. Create a report on the results of your investigation and present final results that your investigation has ...
August 4, 2012

math
Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). Three batteries are connected in series so that the total voltage is 54 volts. The voltage of the first battery is ...
July 6, 2012

writing essay
i think is c is it right?
June 21, 2012

criminal justice
what is the rational for allowing warrtless searches? Are those reasons persuasive?
May 20, 2012

chemistry
A 0.6996 g sample of a compound containing C, H, and F was burned to produce 0.6039 g CO2 and 0.1235 g H2O. If the molar mass of the compound was determined to be approximately 102.0 g/mol, what is its molecular formula?
January 20, 2012

geometry
what is the maximum broadcasting radio from a radio tower 1800ft tall the radius of earth is 3960 miles and you can assume thtat the ground around the tower is nearly flat
January 9, 2012

Calc I
with finding the area under a line i need to find anti derviatives for: e^3x dx Cos^4 x Sinxdx e^(x^2) xdx e^x^2 dx Cos(3x)dx
December 8, 2011

Math
v=pir^2 v=(22/7)*7^2 v=154 cubic units
November 13, 2011

calculus
a rectangular box with a square bottom is to have a volume of 1000 cubic inches. the bottom cost \$100 per cubic inch, the sides are \$25 per square inch and there is no top. what are the dimensions of the box that has materials costing the least
November 13, 2011

chem
given that 140.ml of chlorine gas weighs 0.450 g find the density of chlorine in grams per liter(g/liter).
September 27, 2011

chem
given that 140.ml of chlorine gas weighs 0.450 g find the density of chlorine in grams per liter(g/liter).
September 27, 2011

MATH
x+0 2x+93 3x+186
September 26, 2011

United States Government
Capitalism is a system that may be seen as the economic equivalent of what political ideology? a. Republicanism b. Anarchism c. Classical liberalism d. Communism e. Socialism Is it Socialism? But all of these listed opposed against capitalism.
September 24, 2011

Government US
Totalitarianism differs from authoritarianism in allowing no a. voice in government b. veto over legislation c. political parties d. personal freedom e. elections I cant quite figure this out and even if I can I am very unsure. I would say political parties. Could you confirm ...
September 24, 2011

physics
A hammer strikes a nail with a 25 N force for 0.05 s. Calculate the impulse of the hammer?
September 23, 2011

GCSE mathematics
in the diagram,AB=AC and angle ABC=34
September 22, 2011

science
a car with a mass of 2000 kg moves along the ice with a constant velocity of 10.0 m/s. What is the car's momentum? a. 200.0 N b. 20.000 N c. 200.0 kg x m/s d. 20,000 kg x m/s I know it is twenty thousand, I'm unsure of the measurements or units. Please explain.
September 21, 2011

Macroeconomics
I need help with this you are start a company and are trying to decide between two diffrent industries. You are doing your final research before youw write your business plan INDUSTRY A HAS 20 FIRMS AND A CONCENTRATION RATIO (CR) OF 30% 1.WHAT IS THE NAME FOR THIS TYPE OF ...
September 2, 2011

algebra
simplify the expression (x+3y-5z)-(x-2y+3z)
August 20, 2011

math
From the top of a fence, the angle of depression to a flower on the ground is 72°. The top of the fence is 8 feet above the ground. How far is the flower from the bottom of the fence?
June 20, 2011

Math-Algebra 1
You know the rule that integers that do not divide evenly by two are odd integers. 51 is not divisible by 2. You conclude that 51 is odd.
June 12, 2011

Basic Math
May 31, 2011

programing
5.Write a query to display the details of employees in the shipping' department who were hired after '01-JAN 1990' note that the query must use a join. 6.Write a query to display all unique department_id's in the employees table. 7.Write a query to display the ...
May 9, 2011

programing
10.Write a query to display the name, salary, department_name and job_title of all employees whose salary is greater than \$10.000
May 9, 2011

programing
3.Write a query to display the annual salary of all employees in department_id 20. Display the names in increasing order or salary. 4.Write a query to display the average salary of employees. Label the column as ' Average Salary. 5.Write a query to display the details of ...
May 9, 2011

programming
1.Write a query to display the names of the employees that do not have any department_id. 2. Write a query to display the names, salary and job_id of employees in department_id 40, 60 and 80. Display the name as a single column and label it as Full_Names.
May 9, 2011

U.S. History
What started the first ever American Civil War?
May 7, 2011

Spanish
Dude wtf!?!???!??!!!! how did I even end up on this site???
April 18, 2011

Fin 324
Using the following data, compute net sales sales discounts 50,000 Accounts receivable, ending 125,000 Gross Sales 2,500,000 Inventory, ending 200,000 sales returns and allowances 75,000
March 22, 2011

Finance
Calculate the accounts receivable period, accounts payable period, inventory period, and cash conversion cycle for the following firm: Income statement data: Sales 5,000 Cost of goods sold 4,200 Balance Sheet Data: Beginning of Year End of Year Inventory 500 600 Accounts ...
March 22, 2011

physics
p=mv p(thrown)=(.163)x(9.37) =1.52731 p(hit back)=(.163)x(16.7)= 2.7221 (negative) 1.52731-(-2.7221)=4.24941 = impulse. p.s. I love you.
February 27, 2011

Math
A shoe company will make a new type of running shoe. The fixed cost for the production will be \$54,000. The marginal cost will be \$25 per pair of shoes. The shoes will sell for \$115 for each pair. a) Write the cost function b) Write the revenue function c) Find the number of ...
January 19, 2011

com156
Explain the initial steps of writing an essay. Identify how your audience, purpose, and content will influence your approach.
October 28, 2010

English
i think its really good to tell your children what you did when you were younger because sometimes is gonna help them to know what is good and bad for them
October 6, 2010

Math
Rosita earns money by walking dogs after school and on weekends. She walks madeline evry other day. Buddy every fourth day, and Ernie every fifth day. Today she walked all three dogs. How many days will it be before Rosita walks Madeline and Buddy on the same day.
September 30, 2010

1. Pages:
2. 1
3. 2
4. Next>>