Tuesday
June 30, 2015

Posts by Jen


Total # Posts: 3,334

Math
Can the word "SLIME" be played from the letters I, E, N, L, S, T, R as the first move in a Scrabble game? Explain your answer
July 10, 2011

Math
yea i was stuck on this one too....thank you though
July 10, 2011

Math
Express the following in roster form: Set M is the set of natural numbers between fourteen and nineteen.
July 10, 2011

Math-geometry
U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
July 9, 2011

Geometry
U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
July 9, 2011

I don't understand this....
I do not understand set-builder notation..... Using correct mathematical notation and symbols, express the following in set-builder notation: Z = {16, 17, 18, 19, 20}
July 9, 2011

Please help :( I am so confused....
This is so confusing :( Given U = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}, A = {12, 14, 16, 18, 20}, and B = {11, 13, 14, 15, 18, 19, 20}. Find A′ ∩ B′. Do not skip to the answer. Show your work, finding A’, then B’ then find their intersection.
July 9, 2011

Math-geometry
I do not understand set-builder notation..... Using correct mathematical notation and symbols, express the following in set-builder notation: Z = {16, 17, 18, 19, 20}
July 9, 2011

Math-geometry
This is so confusing :( Given U = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}, A = {12, 14, 16, 18, 20}, and B = {11, 13, 14, 15, 18, 19, 20}. Find A′ ∩ B′. Do not skip to the answer. Show your work, finding A’, then B’ then find their intersection.
July 9, 2011

Math-Can u help me Reiny? So confused :(
A car dealership interviewed every driver who came onto their lot on Tuesday. This produced the following results: there were 34 people who owned trucks and 59 people who owned cars. If 19 people owned both a truck and a car and 7 people owned neither, how many people were ...
July 8, 2011

Math
thanks Damon, i understand it a little better now :)
July 8, 2011

ATTN: Reiny
How do you write in correct set notation?
July 8, 2011

MATH
hmmmmmm im kind of getting it.....but for some reason when i did it my answer was 72....geometry is not my best subject haha
July 7, 2011

MATH
The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 23 said they had taken physics, 47 said they had taken chemistry and 5 said they had taken both. Seven said they had taken neither. How ...
July 7, 2011

Math-geometry
Thank you...i kind of understand it better.....can u help me with the other problem please?
July 7, 2011

Math
Great! I understand it so much better once you explained it! Whoa thank you so much!
July 7, 2011

Math
This one is particularly confusing to me :/
July 7, 2011

Geometry-help please :(
my answer would be C ⊆ B and D ⊂ B...is that correct?
July 7, 2011

Geometry-help please :(
Sorry about that.... Given the following sets, select the statement below that is true. A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D = {e, a, t} B ⊂ C and C ⊆ A C ⊆ B and D ⊂ B D ⊂ A and A ⊂ D B ⊂ A and C ⊂ D D &#...
July 7, 2011

Math
Given the following set, select the statement below that is true. V = {a, e, i, o, u} A. s ∈ V B. o ∉ V C. e ∈ V D. V intersect Ø E. w ∈ V
July 7, 2011

MATH-so confused!! Please help!!
Given these sets: A = {3, 4, 5, 6, 7} B = {6, 7, 8, 9} C = {2, 4, 6, 8} List the elements of this set A intersect(B∩C)
July 7, 2011

MATH-so confused!! Please help!!
oh im sorry its the intersect symbol, but my Word document wouldn't let me do that for some reason....
July 7, 2011

MATH-so confused!! Please help!!
Given these sets: A = {3, 4, 5, 6, 7} B = {6, 7, 8, 9} C = {2, 4, 6, 8} List the elements of this set A(B∩C) Show your work, step by step.
July 7, 2011

math
oh i get it better now, thank you for your help :)
July 7, 2011

Math-Damon help please :(
so confusing :(
July 6, 2011

Math-Damon help please :(
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
July 6, 2011

Math-Ms. Sue
lol ok thanx n e way
July 6, 2011

Math-Ms. Sue
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
July 6, 2011

Math-can u help me bob pursley???? :)
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
July 6, 2011

MATH-Please help me :(
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
July 6, 2011

MATH
Determine whether the pairs of sets are equal, equivalent, both, or neither. A = {7, 9, 10}, B = {a, b, c}
July 6, 2011

please help!!! im so confused!!!
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
July 6, 2011

help me Damon!! :)
Determine whether the pairs of sets are equal, equivalent, both, or neither. A = {7, 9, 10}, B = {a, b, c}
July 6, 2011

College Math
Determine whether the pairs of sets are equal, equivalent, both, or neither. A = {7, 9, 10}, B = {a, b, c}
July 5, 2011

Math
Express each set in set-builder notation: Set D is the set of natural numbers between 27 and 51, inclusive.
July 5, 2011

Damon or Sue please help!!
oh thank you so much!! i was totally off...
July 5, 2011

Damon or Sue please help!!
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm.
July 5, 2011

Math
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm.
July 5, 2011

College Math
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm.
July 5, 2011

college math
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm.
July 5, 2011

Chemistry
When hot and concentrated, sulfuric acid is a fairly strong oxidizing agent. Write a balanced net ionic equation for the oxidation of metallic copper to Cu(II) ion by hot concentrated H2SO4, in which the sulfur is reduced to SO2.
June 30, 2011

algebra
L=w+2 L x w = 63 (w+2) x w = 63 w^2+2w=63 w^2+2w-63=0 What two factors multiply to -63 and add up to 2? 9 and -7. L=9, W=7
June 19, 2011

mathhw
a pair of dice is rolled. find the probability that the sum of the dice is an odd number. also, find the probability that the sum is a 5 or 10 given that an odd sum is rolled
June 16, 2011

physics
78
June 11, 2011

Physics
Imagine that your car is powered by a fusion engine in which the following reaction occurs. 3*deuterium--->helium + hydrogen + neutron The masses are (2.0141 u), (4.0026 u), (1.0078 u) and (1.0087 u). The engine uses 8.1 10-6 kg of deuterium fuel. If one gallon of gasoline ...
June 3, 2011

Logistics
Hi, I am taking a logistics class online through University of Phoenix and I am so lost. I have homework dure tonight and have no idea how to do it. Can anyone help?
May 29, 2011

math
The answer is417.62 after finding the area of both objects and subtracting them
May 17, 2011

Economics
Did you ever find the answer to this. I am working on it for my final now.
May 10, 2011

physics-sun
a 1 square meter solar panel receives a total of 1000Watts from the sun. If we assume all the energy is release through nuclear fusion from the sun what is the total output from the sun?Given you know the total mass of the sun and have just calculated the total output assume ...
May 9, 2011

physics-buoyancy
Use Archimedes' law of buoyancy. - to calculate what fraction of the volume of an iceberg floating in the ocean is above the water level. -how many 20kg penguins can be supported by a 1000 cubic meter iceberg that is on the verge of being completely submerged?
May 8, 2011

Geometry
How do you find the ratio if the areas of 2 similar triangles in which the ratio of a pair of corresponding sides is 4:1
May 7, 2011

English
Choose the sentence with the grammatical error below. Answer A Seeking food in the rain-forest canopy, common marmosets often live in proximity to spider monkeys, which are ground-dwellers. B A consummate craftsperson, the lace doilies are made with more than fifty separate ...
May 6, 2011

English
Choose the sentence with the grammatical error below. Answer A In his autobiography, Benjamin O. Davis, Jr., who in 1970 retired from the Air Force as a three-star general, describes his efforts to gain professional recognition for himself and for other black servicemen. B ...
May 6, 2011

English
Choose the sentence with the grammatical error below. Answer A Aristotle studied under Plato then later in his life he tutored Alexander the Great. B Some people consider a four-leaf clover a sign of good luck. C Before the invention of the printing press, monks copied books ...
May 5, 2011

English
Choose the sentence with the grammatical error below. Answer a. Although hemp and jute have similar qualities, they come from different plants. b. Traditionally made with bits of colored glass and mirrors, kaleidoscopes today may incorporate plastics and high-tech materials. c...
May 5, 2011

chemistry
write out the reactions that convert the chromate ion into chromium peroxide.
May 3, 2011

Trig
A silo is 40 feet high and 16 feet across. find the angle of depression from the top edge to floor. How do you solve this?
April 28, 2011

Trig
A silo is 40 feet high and 16 feet across. find the angle of depression from the top edge to floor. How do you solve this?
April 28, 2011

Trig
What is the period of f(x)= 1/2 tan(3x+pi/2) and -2/3 cos(x/3-1/2)?
April 28, 2011

Calculus
find the volume OUTSIDE the cylinder x^2+y^2=9 and INSIDE the sphere x^2+y^2+z^2=25
April 25, 2011

Intro to Statistics
13/52 * 25/51 = 25/204
April 17, 2011

Physics
A 120-V rms voltage at 1000 Hz is applied to a resistor and an inductor in series. If the impedance of this circuit is 110 Ù, what is the maximum value of the current?
April 13, 2011

Physics
In a thundercloud there may be an electric charge of 18 C near the top of the cloud and −18 C near the bottom of the cloud. If these charges are separated by about 7 km, what is the magnitude of the elec- tric force between these two sets of charges? The electric force ...
April 8, 2011

physics
Electrons in a beam incident on a crystal at an angle of 300 have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5A0, and the reflected electrons are passed through a slit .Find the velocities of the electrons passing through ...
April 7, 2011

Economics
1. You read the following information about the economy: Real GDP up three percent from a year ago. Unemployment rate of 6.1 percent. Consumer Price Index up six percent from a year ago. Index of Leading Indicators up for the last six months. Prime interest rate of ten percent...
April 5, 2011

chemistry
can someone please explain to me in dummy language this question... Why is the graph of transmittance versus concentration not linear?... Thankyou very much
April 2, 2011

math
Milan's gas tank is 1/5 full. After he buys 6 gallons of gas, it is 7/10 full. How many gallons can Milan's tank hold?
March 23, 2011

physics
A backpack full of books weighing 43.0 N rests on a table in a physics laboratory classroom. A spring with a force constant of 150 N/m is attached to the backpack and pulled horizontally, as indicated in the figure. If the spring stretches by 2.30 cm, what is the coefficient ...
March 22, 2011

physics
a very thin piece of copper wire has an electrical resistance of 20,000 Ohms. You connect its ends to a regular 2.0 Volt battery. How much power does it draw? Let's assume that this little piece of wire initially contained one trillion (that's a one with 12 zeros) ...
March 20, 2011

trigonometry
please me to answer this question.because i will pass this coming monday march 21,2011.fin the diameter of three circle inscribed in a triangle. whose base is 50 cm.
March 17, 2011

trigonometry
please me to answer this question.because i will pass this coming monday march 21,2011.fin the diameter of three circle inscribed in a triangle. whose base is 50 cm.
March 17, 2011

trigonometry
please me to answer this question.because i will pass this coming monday march 21,2011.fin the diameter of three circle inscribed in a triangle. whose base is 50 cm.
March 17, 2011

trigonometry
what is the diameter of three circle inscribed in a triagle whose base is 50 cm.
March 17, 2011

chemistry
what is a common household example of a colloid, besides milk?
March 14, 2011

Geometry
If the diagonal of a square has a length of 10 suare root of 2 cm, find the area of the square and the perimeter of the square.
March 13, 2011

geometry
The diagonals of a rhombus are in 2:1. If the perimeter of the rhombus is 120cm, find the length of the diagonals.
March 13, 2011

Chemistry
How many moles of nitrogen are in 5.0×10−2 mole of quinine?
March 13, 2011

algebra
3-p=8p 3=9p 1/3=p
March 11, 2011

chemistry
I dont understand this zwitterion form . Here is the question. write the zwitterion form of the amino acid cysteins shown in the follwing figure. If the pI for cysteine is 5.1 at what pH will the zwitterions be the predominant form? Can you please show me step by step on how ...
March 9, 2011

chemistry
I am not understanding this molarity stuff. Can someone please show me step by step on how to solve this question? What is the molarity of 0.50 L of solution containing 40.0 g of CaCO3?
March 9, 2011

geometry
The height of a loading platform is 4 feet. Determin the length of the ramp if it makes a 32 degree angle with the ground.
March 7, 2011

Physics
A 1220 kg car rounds a circular turn of radius 19.2 m. If the road is flat and the coefficient of static friction between the tires and the road is 0.66, how fast can the car go without skidding?
March 4, 2011

math
2x + 4=4y + 4 Find the value of x.
March 3, 2011

science
what happens when an ocean wave hits an oil spill?
March 3, 2011

chemistry
If a 190 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.3 x 1.0 ft, what is the average thickness of the sheet in meters?
March 2, 2011

chemistry
How do you calculate, as an example, [Fe3+] which remained unreacted in a solution, i.e. the equilibrium molarity of Fe3+? The actual question being, on my part, what equation would you use to figure this out? How would you solve this?
February 23, 2011

math
-n-4 -6s 192-8n (-30)(-20)=600 14
February 21, 2011

math
repeat question, already answered
February 21, 2011

Math
Gina flew from Toronto to Chicago and back again. The average speed of the plane was 332 km/h to Chicago and 415 km/h back to Toronto. If the actual flying time for the round trip was 4.5 h, how far is it from Toronto to Chicago?
February 18, 2011

spanish
I believe el mayor is right, but I am unsure about the first one.
February 17, 2011

Physics
A 15.0 kg box is released on a 32 degree incline and accelerates down the incline at 0.30m/s sqaured ? find the friction force impeding its motion. What is the coefficient of kinectic friction?
February 15, 2011

Physics
a force of 48.0N is required to start a 5.Okg box moving across a horizonatl concrete floor.what is the coefficient of static friction between the box and the floor?If the 48.0-N force continues, the box accelerates at 0.70 m/s squared . What is the coefficient of kinetic ...
February 15, 2011

algebra
V=1/3*6300*7 solve for V The answer is V=14700 how do you change 1/3 to a decimal or use 1/3 to solve the equation?
February 14, 2011

math
A man borrows $50,000 towards the cost of a house. Compound interest is charge on the loan at 125 per annum. He agrees to pay back the loan in 25 equal installments, at yearly intervals, the first repayment being made exactly 1 year after the loan is taken out. Calculate the ...
February 13, 2011

TRIG
2sin@ + 3 = 2 2sin@ = -1 sin@ = -1/2 @ = 210, 330 convert to radians if desired
February 13, 2011

maths
let x be the number of green ones blue one = 6x
February 13, 2011

engineering physihcs
I need to create an Excel chart showing world oil reserves vs. time, which are both in columns and cannot find how to graph this in excel. thank you.
February 12, 2011

chemistry
2.36 L of an aqueous solution containing 39.0 g of KCl dissolved in pure water is prepared. The molarity of the solution is?
February 8, 2011

gen chem 2
In the chemical kinetics experiment, determine the dilution of the stock bleach solution. The bleach used will be around 5.5% (weight/volume). Convert this to molarity
February 8, 2011

algebra
5 1/3-3 5/6..make sure to change to common denominators
February 7, 2011

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