Wednesday
February 10, 2016

Posts by Tyler

Total # Posts: 761

quantitative analysis
consider a manufacture whose total cost of producing x items is given by c(x) = 10000 + 5x+1/9x^2 a) what is the average cost function of A(x) = c(x)/x? b)how many items should the manufacturer produce in order to minimize average cost? c)what is the smallest average cost? d) ...
November 27, 2012

Stats PLEASE HELP!!!
Webcredible, a UK-based consulting firm specializ- ing in websites, intranets, mobile devices, and applications, conducted a survey of 1,132 mobile phone users between February and April 2009. The survey found that 52% of mo- bile phone users are now using the mobile Internet...
November 18, 2012

4th grade math
38700
November 15, 2012

Social Studies
True
November 12, 2012

Physics
What is one way in which the magnetic field is similar to the electric field and one way in which the magnetic field is different from the electric field?
November 7, 2012

Chem Lab Help
Carefully clean and dry a 150 mL beaker, a 250 mL beaker, and a large 155mm test tube. Remove two Alka-Seltzer tablet from their hermetically sealed packet and weight them. Use a clean (use paper towels only, NO water) mortar and pestle to grind the tablets into a fine power. ...
October 29, 2012

Chem Lab Help
Trial #1 Trial #2 Trial #3 Mass: gelatin capsule (g) .123 .118 .122 Mass: whole alka-seltzer tablet (g) 3.230 3.230 3.230 Mass: capsule + alka-seltzer sample (g) .822 .882 .677 Mass: system before reaction (g) 23.109 23.110 22.735 Mass system after reaction (g) 21.742 21.813 ...
October 29, 2012

CHEMISTRY
Describe how you would prepare 250. mL of a .500 stock solution of sodium hydroxide. (show all work)
October 28, 2012

Chemistry Lab
Im not sure how to do these questions though
October 28, 2012

Chemistry Lab
The experimental data you entered is: Trial #1 Trial #2 Trial #3 Mass: gelatin capsule (g) .123 .118 .122 Mass: whole alka-seltzer tablet (g) 3.230 3.230 3.230 Mass: capsule + alka-seltzer sample (g) .822 .882 .677 Mass: system before reaction (g) 23.109 23.110 22.735 Mass ...
October 28, 2012

Physics
A photocell shows photoelectric effect when green light shines on it. Which of the following is correct if a green light is replaced by a blue light? Electron emission would get stopped. Electrons are emitted with more velocity. Electrons are emitted with less velocity. ...
October 25, 2012

math
how to solve identity property,2nd grade
October 24, 2012

Physics
A photocell shows photoelectric effect when green light shines on it. Which of the following is correct if a green light is replaced by a blue light? Electron emission would get stopped. Electrons are emitted with more velocity. Electrons are emitted with less velocity. ...
October 24, 2012

Physics
A photocell shows photoelectric effect when green light shines on it. Which of the following is correct if a green light is replaced by a blue light? Electron emission would get stopped. Electrons are emitted with more velocity. Electrons are emitted with less velocity. ...
October 23, 2012

math
Beth cuts her pizza into thirds, how many pieces did she eat?
October 18, 2012

Math
How many 2/3 are in 3/4?
October 15, 2012

Algebra
A scuba diver dives 100 feet below the waters surface. Later she rises 78 feet. How far below the surface is the diver?
October 13, 2012

Algebra 1
Ruffles cost $3.49 per bag. Chips-Ahoy cost $3.99 per bag. Bobby spent 42.39. If he bought 5 more bags of Chip-Ahoy than Ruffles, how many bags of each snack did he buy?
October 11, 2012

Physics
Its postive you dummy
October 11, 2012

Math
5x6=5x4+5xb
September 27, 2012

7th grade Art
1.B 2. C 3 A C
September 26, 2012

physics
1) A boy sledding down a hill accelerates at 1.40 m/s, If he started at rest, in what distance would he reach a speed of 7.00 m/s? 2) An Elevator is moving upward at 1.20 m/s when it experiences an accelerstion of 0.31 m/s downward, over a distance of 0.75m. What will its ...
September 24, 2012

chemistry
how many grams of NaOH should be used to make 200 mL of a 0.24M solution starting with a .4M HCL solution
September 22, 2012

chemistry
Assuming that 0.5 grams of a 1.0 gram sample is CaCO3, what should the concentration of HCl(M) be if you want to use 25.0 mL for the titration?
September 22, 2012

Physics
Thinking Physic-ly: On some toll roads, the ticket is stamped with the time you enter the toll road and the time you exit. How can the toll taker determine if you were speeding?
September 19, 2012

science
what is the volume of a cabinet 1.20m by 5m by 75cm
September 18, 2012

Calculus
can you solve it by using separation of differential equations
September 9, 2012

Calculus
A snowball has a radius of 3 inches. Assume the rate with which the volume of the snowball melts is proportional to its surface area. If, after 1 hour, the radius of the snowball is 2.9 inches, predict what the radius will be after one day. using separation of ordinary ...
September 9, 2012

calculus
can you solve it with separation of differential equation
September 9, 2012

Economics
possibly
September 7, 2012

math
A rectangular slab of concrete is cut from a large block. The slab measures 10.4 inches thick, 1.8 feet long, and 0.0021 miles wide. Find its volume in cubic feet.
September 6, 2012

finite math
Okay,so: Assume that there are 8 unfilled roles: 3 male and 5 female. There are 5 men and 6 women, including Sally, auditioning for a part in the play. How many of these casts include Sally?
September 5, 2012

social studies
Is there 51 states? Is DC considered as 5lst or Puerto Rico 51st
September 3, 2012

physics
Pulling a 1.92 kg. box at a constant speed requires a force of 14.12 N. What is the coefficient of friction (µ) for this box?
August 24, 2012

physics
A 1.66 kg. load is pulled by a force of 11.03 N. If the coefficient of friction (µk) for this load is 0.602, and the load starts at rest, how long will it take to accelerate the load from rest to a final velocity of 4.90 m/s?
August 24, 2012

physics
A 3.18 kg. bucket of water is being lowered into a well. It is accelerating downwards at -0.54 m/s2. What is the upwards tension in the rope
August 24, 2012

physics
A train consists of 40 freight cars, each having a mass of 2.71 × 105 kg. If the engine (which has twice the mass of a freight car) exerts a net force of +1.12 × 105 N, what will be the acceleration of this train?
August 24, 2012

physics
A bullet is fired through a wall that is 10.0 cm. thick. The bullet entered the wall at 400. m/s, and it exited from the wall at 220. m/s. What was the average acceleration of the bullet while it was passing through the wall?
August 24, 2012

MATH 5TH GRADE (VARIABLES AND EXPRESSIONS)
A number of apples divided into 12 baskets
August 23, 2012

physics
A ranger in a national park is driving along at 17.9 m/s when a deer jumps into the road 65. m ahead of the vehicle. After a reaction time of t seconds, the ranger applies her brakes, which produce an acceleration of -2.8 m/s2. What is the maximum reaction time she can have if...
August 21, 2012

physics
While doing some interval training, a runner runs a distance interval at a pace of 4.00 m/s. She then runs the next interval at 4.500 m/s and the last interval at 5.500 m/s. Assuming each interval is exactly 125. m, what is her average speed for this workout?
August 21, 2012

physic
In order to qualify for the finals in an race, a runner must achieve an average speed of 5.24 m/s for the entire mile race. If she runs at a constant speed of 4.63 m/s for the first half of the 1609 meter race, what constant speed must she maintain for the second half of the ...
August 21, 2012

physics
Bottled water costs $0.55 for a 0.5 liter bottle. What would it cost to fill a bathtub with bottled water. The bathtub holds 7.13 cubic feet of water. (Recall that 1.00 inch = 2.54 cm, and that a liter is exactly 1000 cm3).
August 21, 2012

AP World History
What are the limits to studing the interactions across the worlds major water basins?
August 14, 2012

AP World History
what are the benifits to studing the interactons across the worlds major water basins?
August 14, 2012

health
same here.....can we please get a answer? :P
August 11, 2012

Finance
A firms growth rate is 8%, the ROA = 10%, the debt ratio is 20%. The stock is selling at $36. What is the return on equity?
June 26, 2012

chemistry
Hydrochloric acid reacts with calcium to form hydrogen and calcium chloride. If 100 grams of hydrochloric acid reacts with 100 grams of calcium, what is the limiting reactant? 2HCl + Ca --> CaCl2 + H2
June 18, 2012

math
I don't get these problems at all and i have to turn 22 questions in on this tomorrow PLEASE HELP!!! 6x+2=x-1 and 2(x-1/2)=4(x+1/4)
May 15, 2012

Calculus
find the absolute extrema of f(x)=sin pi x on [-1,2] Not sure how to do this problem....
April 28, 2012

geometry
two sides of an equilateral trianlge measure (2y+3) units and (y^2-5) units. if the perimeter of the triangle is 33 units, what is the value of y?
April 15, 2012

geometry
two sides of an equilateral trianlge measure (2y+3) units and (y^2-5) units. if the perimeter of the triangle is 33 units, what is the value of y?
April 15, 2012

geometry
Two lines intersect to form two pairs of vertical angles.Angle 1 with measure (20x + 7) degrees and angle 3 with measure (5x + 7y + 49) degrees are vertical angles. Angle 2 with measure (3x - 2y + 30) degrees and angle 4 are vertical angles.Find the values x and y and the ...
April 15, 2012

geometry
A rectaungular prism has a volume of 360 inches cubed. What base measurements could the prism have?
April 9, 2012

Finite Math
Find the sample space which is 16 red + 17 white = 33 total. 33C3 = sample space= 5456 Then do 0 red balls = C(16,0)*C(17,3)/5456 1 red ball = 16c1* 17c2/5456 ... so on
April 5, 2012

math
reduce 4/15 to lowest terms
April 4, 2012

grammar
i expect a friend to be both honest and a loyal person is this using correct parallel structure
April 3, 2012

math
The ratio of girls to boys in a science class is 5:6. Can there be 15 boys in the class? Explain why or why not.
April 1, 2012

math
Draw a square/ peremeter is 2
March 22, 2012

Geometry
Hi, I'm having a difficult time understanding a couple of Geometry questions on my homework and I'd really appreciate it if someone could answer them and explain to me how to get the same answer. Question 1: A regular pentagon has an apothem of 3.2 m and an area of 37....
March 15, 2012

algebra
You earned the following scores on five science tests: 75, 82, 90,84, and 71. You want to have an average score of at least 80 after you take the sixth test. a. Write and solve an inequality to find the possible schores that you can earn on your sixth test in order to meet ...
March 7, 2012

Math<3
-2 ( 9-4 ) + 1 = -2 ( 5 ) + 1 = -10 + 1 = -9
March 6, 2012

Math
2.54 cm = 1 in 48cm * ( 1 in / 2.54 cm ) = 18.898 in
March 6, 2012

physics
A 55-kg woman contestant on a reality television show is at rest at the south end of a horizontal 148-kg raft that is floating in crocodile-infested waters. She and the raft are initially at rest. She needs to jump from the raft to a platform that is several meters off the ...
March 6, 2012

4 th grade Math
2/3 = 4/6 (reading) + 1/6 (math) = 5/6 (reading/math) 6/6 - 5/6 = 1/6 (science) = 12 kids 12 kids = 1/6, 12*6 = 72 kids total
March 6, 2012

physics
nevermind, figured this one out...0.047
March 6, 2012

physics
You throw a 141 g ball straight up to a height of 45.0 m. Assume that the displacement of your hand is 0.70 m as you throw the ball straight up. How long is the ball is in your hand?
March 6, 2012

PHYSICS
conservation of mech energy... look at two spots, when the bob is at the lowest, and the highest... KE (lowest) + KE (highest) = U (lowest ) + U (highest) 40J + 0J = 0J + mgh 40J = 2.5kg(9.81m/s^2)(height) height = 1.6309m
March 6, 2012

physics
Half
March 4, 2012

physics
A rubber ball of mass 19.5 g is dropped from a height of 1.85 m onto a floor. The velocity of the ball is reversed by the collision with the floor, and the ball rebounds to a height of 1.55 m. What impulse was applied to the ball during the collision?
February 24, 2012

MATH
How do I find JK for J(3, 8)and K(-1, 4)? Please help!
February 21, 2012

GEOMETRY
If EF=3x-10, FG=2x-15 and EG=20, find the value of x, EF and FG.
February 20, 2012

GEOMETRY
Which property supports the statement: "If AC=DF, then DF=AC" Symmetric Reflexive Transitive Substitution
February 20, 2012

GEOMETRY
Which statement is contrapositive of the conditional: If a triangle is isosceles, then it has 2 congruent sides. 1. If a triangle does not have 2 congruent sides, then it is not isosceles. 2. If a triangle is isosceles, then it does not have 2 congruent sides. 3. If a triangle...
February 20, 2012

grammar
what is the direct object in the head of the stables often mistreated agba and the young colt
February 14, 2012

Physics
Three charged particles form a triangle: particle 1 with charge Q1 = 84.0 nC is at xy coordinates (0, 4.60 mm), particle 2 with charge Q2 is at (0, -4.60 mm), and particle 3 with charge q = 40.0 nC is at (6.40 mm, 0). What are the x component and y component of electrostatic ...
January 29, 2012

Physics
Three identical conducting spheres initially have the following charges: sphere A, 4Q; sphere B, -9Q; and sphere C, 0. Spheres A and B are fixed in place, with a center-to-center separation that is much larger than the spheres. Two experiments are conducted. In experiment 1, ...
January 29, 2012

physics
A force of 0.053 N is required to move a charge of 36 µ a distance of 30 cm in a uniform electric field. What is the size of the electric potential difference between the two points?
January 12, 2012

volta
What the formula for finding the % of 35% of 22. I know the answer is 7.7, but how do u get that answer
January 11, 2012

physics
Joe stands on a bridge kicking stones into the water below. If he kicks a stone with a horizontal velocity of 2.60 m/s, and it lands in the water a horizontal distance of 8.10 m from where Joe is standing, what is the height of the bridge? Enter m as unit.
January 9, 2012

geometry
An architect needs to design a rectangular room with an area of 75 ft What dimensions should he use in order to minimize the perimeter? Round to the nearest hundredth, if necessary
January 6, 2012

physics
After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 5.75km below the surface. What's the water pressure at that depth? Find the fractional volume change in the spoon due to compression forces.
December 11, 2011

Physics
A 0.15 kg ball of dough is thrown straight up into the air with an initial speed of 5.7 m/s. a.)Find the momentum of the ball of dough at its maximum height. b.) Find the momentum of the ball of dough halfway to its maximum height on the way up.
December 8, 2011

Math
Peter bought a computer at a local electronics store. If the computer cost $750.00, and tax was 7%, how much did Peter pay in tax?
December 8, 2011

math
2sin2x+1=0
December 1, 2011

trig
Use the Law of Sines to solve each triangle. P=110 degrees p=125, r=200 in triangel PQR
November 26, 2011

Math
Find two consecutive whole numbers such that 3/4 of the first number is 5 more than the second number.
November 17, 2011

Math
Find two consecutive whole numbers such that 3/4 of the first number is 5 more than the second number.
November 17, 2011

physics
An 83.2-kg propeller blade measures 2.24m end to end. Model the blade as a thin rod rotating about its center of mass. It's initially turning at 175rpm. Find the blade's angular momentum, the tangential speed at the blade tip, and the angular acceleration and torque ...
November 12, 2011

physics
An 83.2-kg propeller blade measures 2.24m end to end. Model the blade as a thin rod rotating about its center of mass. It's initially turning at 175rpm. Find the blade's angular momentum, the tangential speed at the blade tip, and the angular acceleration and torque ...
November 12, 2011

math
Find the mystery number im a number between 300 and 400 im divisible by 3 and 4 . but not 9 my tens digit is a square number the sum of the hundreds digit and the tens digit is a prime number. find the mystery number
November 8, 2011

enlish/grammar
Here are a few more of the predicate adjective or predicate noun sentences I need help with to see if I used the right one. Wildflowers look lovely on the hillsides. PA Mounties on horesback are a common sight. PN The Royal Canadian Mounted Police's nickname is the ...
November 7, 2011

enlish/grammar
I was wondering if these sentences are labeled right with either predicate noun or predicate adjective? Their presence was necessary in the far north country in the early days. preicate noun Now they are famous throughout the world. predicate noun They are the subject of many ...
November 7, 2011

science
On Apollo missions to the Moon, the command module orbited at an altitude of 150 above the lunar surface. How long did it take for the command module to complete one orbit?
November 3, 2011

math
long one is the minute hand short one is the hours hand
November 1, 2011

math's
5050 formula sum of sequence of numbers=(n/2)(first number plus last number) n is total amount of digits so total = (100/2)(1+100) =50(101) =5050
November 1, 2011

math
The symbol > means the first number is greater than the second. The symbol < means the first number is less than the second. These are true statements. 5 > 2 3 < 10 Your answer is 4 4/3 > 4 1/2
November 1, 2011

psychology
According to Piaget, egocentrism refers to?
October 27, 2011

physics
Tigger likes to play golf. For this particular shot, the distance between the spine and the clubhead (aka the distance of the golfclub + arm) is 1.6 m. When the clubhead hits the ball, it is travelling at 50 m/s. How fast is the body and the club rotating? That is, what is the...
October 26, 2011

Chemistry
2h2s g 3o2 g 2so2 g 2h2o g H=-1036KG/MOL calculate enthalpy change in kj when 18.2 g of hydrogen sulfide are burned
October 23, 2011

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. Next>>