Thursday
May 5, 2016

# Posts by jan

Total # Posts: 338

chemistry
calculate the number of moles of Mg in 0.12g(relative mass of Mg=24)
May 5, 2016

French
translate....in English rester à l'école , mais rappelez- vous ce que vous devenez et qui vous devenez est qui vous êtes
May 1, 2016

Math/Precal
How do i solve for x: (9^2x)/(27^x-2)=81^3x-4
April 26, 2016

Math
I need help with this problem. It says What is the reciprocal of 0.06? Would I change 0.06 to a fraction which is 6/100 and flip it over?
April 8, 2016

calculus
let y = √( 25-x^2) = (25-x^2)^(1/2) dy/dx = (1/2)(25-x^2)^(-1/2) (-2x) = -x/√(25-x^2) = 0 for a max/min thus x = 0 and f(0) = √25 = 5 I will let you decide if (0,5) is a max or a min You might want want to look at a quick sketch of the function to easily ...
April 5, 2016

Spanish
Or, should it be: Para ponerte en forma haz ejercisios y come bien.
April 5, 2016

Spanish
Please check my answer. Are all the accent marks, grammar, and spelling correct? ¿Qué hago para ponerme en forma? Para ponerme en forma hago ejercisios y como bien.
April 5, 2016

April 5, 2016

Spanish
Here is my answer. Please check it. Una obra de literatura que influye en mi vida es To Kill a Mockingbird.
April 5, 2016

Spanish
So, could you give me an example? Give it to me in English and I will translate it to Spanish.
April 5, 2016

Spanish
¿Qué obras de arte o de literatura influyen en tu vida? What would be an answer to this? I believe the question is asking what art or literature has influenced your life.
April 5, 2016

math
Sam needs to cut a piece of sheet metal into 8 pieces, it takes 5 minutes to cut, how many cuts will he make.
March 30, 2016

Physics
A pendulum is constructed of a mass m connected to a mass ess rigid rod of lengthl. As shownin the figure, the other end of the rodis suspended from a point on the ring ofradius R. The pendulum is free to swing in a vertical plane that is also the plane of the ring. The ring ...
March 13, 2016

Physics
A partide of mass m moves along a trajectory given by x= a cos δ1 t and y = asinδ2 t . Find rand y component of the force acting on the patde, potential energy, kinetic enenev of the partide and hence show that the total energe E= KE + PE =1/2 m(a*2 δ1*2+ b*2 &#...
March 13, 2016

Math
its you
March 8, 2016

math
my son is x year old ,in five years time i will be twice his age and both our ages will be multiples of 10.the sum of ages will be between 50 and 100.how old am i
March 2, 2016

trigonometry
You are to run a conduit diagonally cross a parking lot that is 200 ft log and 60 ft wide. How much conduit will you need to complete this run?
February 7, 2016

maths
Mr B is now twice as old as his younger brother. Eight years ago he was three times as old as his younger brother was then. How old is the younger brother now?
February 3, 2016

physics
Suppose 3.0 cm of rain at 10°C falls on a rectangular region of dimensions 2.0 km x 3.0 km. How much energy was released when water vapor condensed to form this amount of rain?
February 3, 2016

physics
0.50 L of water at 16°C is poured into an aluminum ice cube tray of mass 0.250 kg at the same temperature. How much energy must be removed from this system by the refrigerator to turn the water into ice at -8°C?
February 3, 2016

physics
Ice is added to 0.75 L of water at 20°C to make very cold water at 0°C. If enough 0°C ice is added so that the mixture becomes all liquid, how much liquid is in the pitcher when this occurs? Density of water = 1.00 x 103 kg/m3.
February 3, 2016

math
bob sold 425 tickets for a dance. tickets cost \$18 per adult and \$6 per child. Total receipts were \$6450, how many children tickets were sold?
December 28, 2015

Algebra 1
The length of a rectangle is 3 cm more than the width. The perimeter of the rectangle is Cm. What is the length and width of the rectangle?
November 16, 2015

Social Studies
What economic, environmental, and social difficulties would Native Communities face as they tried to preserve their own culture? - HORIZONS CANADA MOVES WEST
November 4, 2015

math
if I made \$400.00 and sold the tickets at 3 for \$5.00...how many tickets did I sell
June 26, 2015

Chemistry
How much heat is required for 32.5g of Na2co3 to completely decompose?
June 4, 2015

Math: Arithmetic Sequence.
the 3rd of an Arithmetic sequence is 8 of the 16th term is 47. Find a subed 1 and the common difference. Construct the sequence.
June 4, 2015

ART 101
There are several, but does any one know at least the top 5 vocabulary words art historians use to describe the work of art? I have three but I would like at least 2 more. I would greatly appreciate it. Thanks
April 29, 2015

POL 201: American National Government
4. An appellate court that hears an appeal on a money laundering case from a district court (Points : 1) is not concerned with guilt or innocence. can only send the case back for retrial. is concerned with whether proper legal procedures were followed during the district court...
April 13, 2015

Life orientation
Show the link between intrapersonal conflict and initiating relationship
April 6, 2015

Bus 101
Which of the following represents the basic accounting equation
April 3, 2015

Statistics
If the average home cost \$100,000, with a standard deviation of \$15,000, what would a home on the 20th percentile rank cost?
April 3, 2015

Chemistry
You forgot to change the units of P from mmHg to atm. To do this, just divide the mmHg value by 760 mmHg/atm.
February 22, 2015

logic and design
do i have enough coding in this, it's for CPT 168 Logic and design
January 29, 2015

logic and design
algorithm for waking in the morning, making and eating breakfast, I don't feel this is enough for my teacher can you help me. start get up while not awake drink coffee endwhile if temperature < 65 then wear sweater else wear t-shirt endif if hungry then eat breakfast ...
January 29, 2015

science
The steel round frame is 2,4m high. There have to be wrapd five coils around the frame. One coil diameter is 35mm. Each coil is 50m long. All of the coils have to be wrapd next to each other.What must the diameter be of the frame if the hight of the frame is 2,4m.
January 27, 2015

solid mensuration
in the pyramid shown in the figure , AB=9 in ., BC= 12in ,and BD= 5 in . the three face angle at B are each 90 degree . calculate the three face angles at A and the total surface of the solid.
January 12, 2015

Physics
A ball is thrown horizontally with a velocity of 40 m/s from the top of a building. Find its velocity and displacement after 3 s.
November 24, 2014

find perimeter
find perimeter. assume all angles are right angles. 4ft.,6ft, 4ft., 4ft, 9ft., 9ft.,10
November 4, 2014

Geometry
thank you
August 5, 2014

Geometry
Damon, can I write it like that instead of a two column proof. I am comparing a bicycle and a model of one?
August 5, 2014

Geometry
How do I write a proof explaining how two images, one the original and the second the reduction, are similiar?
August 5, 2014

Geometry
How do I write a proof showing a bike is 9:1 ratio to the original image
August 5, 2014

Geometry
Steve, What do I do with the J letter? Do I draw a perpendicular line?
August 3, 2014

geometry
Thank you, but what do I do for the letter J? Do I do the same thing with a perpendicular line and add a ray for the small part of thwe J?
August 2, 2014

geometry
I have to construct my initials J and E geometrically. I drew a base line with two points. Then I drew a line through them. I thought this was right for the E but it's not. What am I doing wrong? I do know how to make a parallel and perpendicular lines.
August 2, 2014

Finance
Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for \$400 million. Because the primary asset of this business is real estate, Templeton’s management has determined that they will be able to borrow the majority of the money ...
June 17, 2014

Geometry
If a triangle has side lengths of 11 cm, 12 cm, and x cm, find the range of possible values of x.
June 11, 2014

elem algebra
the current in a stream moves at a speed of 10 mph. a boat travels 17 mi upstream and 17 mi downstream in a total time of 10 hr. What is the speed of the boat in still water?
April 19, 2014

math
Its closer to 6 because past 6:30 its closer to 7.
March 25, 2014

chemistry
Copper(II) chloride and lead(II) nitrate react in aqueous solutions by double replacement. Write the balanced chemical equation, the overall ionic equation, and the net ionic equa- tion for this reaction. If 10.27 g of copper(II) chloride react, what is the maximum amount of ...
February 23, 2014

Algebra
25.DOLLARS A DAY .10 CENT A MILE AND 40.00 DOLLARS A DAY .10 CENT A MILE
February 10, 2014

Mr foster places 11 garden lights along an 80 meter path. Each light is placed an equal distance apart. How far away is the sixth garden light from the second?
February 2, 2014

physical science
a weigh lifter raises a 70-kg barbell from the floor to a height of 2.2 m in 1.2s what was his average power output during the lift?
February 1, 2014

geometry
Dru is challenged by her geometry teacher to estimate the height of the school flag pole without measuring. She decided to walk off the length of the shadow cast by the pole by successively walking the noted length of her shadow. If dry is 5ft 6 in.tall and she estimates the ...
January 30, 2014

math
what is the combined height of 6 nickels?
January 23, 2014

Polticial Science
exersizing the legislative veto and its spending
November 26, 2013

Calculus
October 13, 2013

Calculus
Find the critical numbers of the function. h(t)=t^3/4-6^1/4
October 13, 2013

Calculus
Thanks for the help :)
October 8, 2013

Calculus
Find dy/dt. y=cos^4(pi(t)-20) If you could please show step-by-step, it would be much appreciated. Thanks in advance!
October 8, 2013

Calculus
Find the derivative. s=t^6tan(t)-sqrt t
October 8, 2013

Calculus
Find the derivative. s=t^6tan(t)-sqrt t
October 8, 2013

English
What literary devices does these three sentences pertain to? 1. I am guiltless in the matter, so I wash my hands if it. 2. I had to wait an eternity for the file to download. 3. Her emotional problems placed a wall between her and her family. ( an attitude or actions which ...
September 23, 2013

English
Connotation! Right?
September 23, 2013

algebra
But I am getting more and more confused. -3-3x=-9????? and x/6=-24 but the there is a negative sign like x - - =-24 6 I know I am over thinking this,but I am confusing myself on these two???
August 19, 2013

algebra
what is the correct algebraic expression or equation when b is divided by -5 and the result is 14?
August 19, 2013

"Leadership by default; the United States and the final frontier." which of the following topics are listed under related subjects? a. discovery and exploration b. surveys c.mars and d. national security
August 9, 2013

The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 16 people reveals the mean yearly consumption to be 60 gallons with a standard deviation of 20 gallons. a. What is the value of the population mean? What is the best estimate of this value...
July 28, 2013

uitm
Household hydrogen peroxide is an aqueous solution containing 3.0% hydrogen peroxide by mass. What is the molarity of this solution? (Assume a density of 1.01 g/mL.)
July 27, 2013

math
Home health signed a 90,000 note at 11 1/2% simple interest for 180 days for electronic equipment, on October 1. On February 18, the note was sold to another firm at a discount rate of 12 1/2%. Find a) the discount period, b) the discount, and c) the proceeds.
June 7, 2013

Algebra 1
I dont understand this question.For each event ,circle the most appropiate term. 19. 6*5*4*3*2*1 Counting principle, combination, factorial,permutation.
May 15, 2013

algebra 1
Compare y=1/(x+3)+3 and y=1/x
May 15, 2013

algebra 1
Graph each function;identify the domain and range;and compare the graph with the graph of y=1/x. 1.y=-10/x Domain: Range: Compare: 2.y=1/(x+3)+3 Domain: Range: Compare:
May 9, 2013

algebra 1
Madison is making a vinaigrette for her catering service using olive oil that costs forty cent per ounce and apple cider vinegar that costs twenty-five cents an ounce.The ideal batch of vinaigrette has 25% vinegar.If she has already combined 3 cups of vinegar and 1 cup of oil,...
May 9, 2013

algebra
the vertices of quadrilateral EFGH are E(-7,3) F (-4,6) G (5,-3) and H (2,-6) what kind of quadrilateral is EFGH
May 7, 2013

art
What are the subclaims in Bernini's works of art
May 6, 2013

algebra 1
Solve the rational equation below. 1/x-2+ 2x/(x-2)(x-8)=x/2(x-8)
April 24, 2013

algebra 1
Solve rational equation 1. 2/b-2=b/b^2-3b+2 + b/2b-2
April 23, 2013

Home health signed a 90,000 note at 11 1/2% simple interest for 180 days for electronic equipment, on October 1. On February 18, the note was sold to another firm at a discount rate of 12 1/2%. Find a) the discount period, b) the discount, and c) the proceeds.
April 23, 2013

algebra 1
Simplify using long division(please show work so I understand) 1.Divide (72-8x^2+4x^3-36x)by (x-3) 2.Divide (8b^3-6) by (2b-1)
April 15, 2013

PHYSICS
There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. Tensile strength is 12.4 newtons need to find how many revolutions there will be before the string breaks, and the time before that happens...
March 3, 2013

PHYSICS
There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. Tensile strength is 12.4 newtons need to find how many revolutions there will be before the string breaks, and the time before that happens...
February 28, 2013

Pre-Algebra
outside temperature and heating bill. As the temperature goes down, the heating bill will increase. So they show a negative trend.
February 28, 2013

Physics
oh, and tensile strength of string is 12.4 newtons
February 28, 2013

Physics
There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. need to find how many revolutions there will be before the string breaks, and the time before that happens.
February 28, 2013

intro to physical science
Use equation: T(c)= 5/9(T(F)-32*) So you don't know the Celsius Temp So all you need to do is fill in the equation.... T(c)= 5/9(160-32) 160-32=128 5/9(128)=71.1111
February 11, 2013

Physics
A 1000-kg car moving east at 80 km/h collides head-on with a 1500-kg car moving west at km/h, and the two cars stick together. (a) Which way does the wreckage move and with what initial speed? (b) How much KE is lost in the collision?
January 28, 2013

Intro to Physical Science
*How do I figure the Velocity.....
January 22, 2013

Intro to Physical Science
Iunderstand that KE=1/2mv^2 and PE=mgh;however, I do I figure the Velocity when only the mass and the height is given...
January 22, 2013

Intro to Physical Science
A 3-kg stone is dropped from height of 100 m. Find its kinetic and potential energies when it is halfway to the ground.
January 22, 2013

Physics
January 16, 2013

Physics
A 12000 kg airplane launched by a catapult from an aircraft carrier is accelerated from 0 to 200 km/h in 3 s. (a) How many times the acceleration due to gravity is the airplane's acceleration? (b) What is the average force the catapult exerts on the airplane?
January 16, 2013

Math
You are correct the answer is B.
January 16, 2013

Chemistry
A common laboratory reaction is the neutralization of an acid with a base. When 50.0 mL of the .500 M HCl at 25 C is assed to 50 mL of .500 M NaOH at 25 C in a coffee cup calorimeter, the temperature of the mixture rises to 28.2 C. What is the heat of reaction per mole of acid...
November 16, 2012

math
Hanna and Fran have 120. Hanna and Pete have 230.Pete has 6 times as much as Hanna. How much does Hanna have?
October 26, 2012

mba
Define ownership cost? What are the various cash flow affecting ownership cost?
October 22, 2012

Calculus
Suppose f and g are inverses, and (1,5) is a point on the graph of f. If f'(1) = -3, what, if anything, does that tell us about g'(1).
October 20, 2012

math
what is the value of |x+3|+5x-7 for x =9
September 13, 2012

math
are these numbers ordered from the least to the greatest 0,1.square route of 2.3/2.square root of 3
September 13, 2012

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