Thursday
December 18, 2014

Posts by ANGEL


Total # Posts: 893

Organic Chemistry
Label the following reaction components as weaker acid, conjugate base and the species that predominate at equilibrium (two may be present for this one) ethylamine + acetone (equilibrium arrows) ethylammonium + acetone enolate Please help!
December 6, 2014

Help - involving economics
Oh wow, I never even thought of that. Thanks! :)
December 5, 2014

Help - involving economics
So if the federal government decided to increase the minimum wage by $1/hr, what could be some economic affects of that? I already thought of the fact that people will get paid more, but I can't think of any more. Can you help?
December 5, 2014

Statistics
Assume that a procedure yields a binomial distribution with n=3 trials and a probability of success of p= 0.90. Use a binomial probability table to find the probability that the number of successes x is exactly 1.
December 2, 2014

statistics
The 95 percent confidence interval about a mean difference was -3.0 minutes to 6.5 minutes. The null hypothesis that the two population means are equal
November 16, 2014

Derivative
Okay, I will get to familiarizing myself with the derivative of the trig functionss. Thanks you so much, I really appreciate all the work and patience you tutors have :)
November 16, 2014

Derivative
Can you help me find the derivative of y= cos(x)/1+sin(x).. the / is a fraction bar. I have a hard time finding trig derivatives because I don't really know what the derivative of cos,sin ,or tan would be honestly.
November 16, 2014

math
Is this correct- 0.685 x 100 =68.5
November 16, 2014

Math
16 students do not prefer school uniform. 4 students prefer school uniform. What percent prefer uniforms and what percent do not. What is the relationship between these two percents?
November 13, 2014

math
thank you so much.
November 13, 2014

math
what percent would 8/45 be
November 13, 2014

Math
Marti works Monday through Saturday, so she has a day off once every 7 days. She needs to give her dog some medicine every 5 days. How often does she give her dog medicine on her day off?
November 11, 2014

PHYSICS
you could use thus formula: P=F/A
November 10, 2014

English/grammar
yeah. it's correct.
November 10, 2014

physics
Speed in air is 340m.s Siren of ambulance emits waves of frequency 980Hz A detector at the scene measures the frequency as 1050Hz h0w d0 I w0rk this 0ut 1050 = 340 / 340 - vs (980) 1050 = 1 - vs (980) 1050 = -vs (980) 1050 + vs = 980 1050/1050 + vs = 980 / 1050 vs = 980 / 1050...
November 5, 2014

history
Who was the titan of industry, or the so-called robber baron, most closely associatedwith the railroad industry.
October 26, 2014

Reading/English
Need help on identifying root word,suffix and prefix for control.
October 23, 2014

math
Selena and her friends went out to dinner. The bill came to $56.25. If the the tax rate is 7.5 percent and they left a 15 percent tip. How much money did they spend at the restaurant ?
October 12, 2014

sci207
Climate change studies suggest the worst impacts will be felt by the wealthiest people true false
October 12, 2014

math
I don't get it
October 12, 2014

math
You are right
October 12, 2014

math
Selena and her friends went out to dinner. The bill came to $56.25. If the the tax rate is 7.5 percent and they left a 15 percent tip. How much money did they spend at the restaurant ?
October 12, 2014

Math
Farmer Jane has only pigs and chickens on her farm. She can't remember how many of each she has but she does know she counted 110 legs and 35 heads. Assuming that each animal is normal, how may of each animal does she have?
October 5, 2014

math
Farmer john has hens, geese, ducks, and two goats the number of hens equals the number if geese and ducks combined . There are 5 fewer geese than ducks. If the total number of animals is 40 how many are ducks
September 25, 2014

math
how many ways can you choose two colors from green, orange, yellow, purple, blue, and silver?
September 19, 2014

stats
The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Considering the Total Credit Hours data from our class survey: (A1) What ...
September 18, 2014

math
An automobile rental angency charges $170 for 5 days for a certain model car. What is the unit price in dollars per day? why is it 59/3gal
September 17, 2014

Stats
The following frequency table shows the Favorite Color data from our class survey. Color Frequency Black 2 Red 3 Blue 4 Green 6 Pink 3 Orange 2 Gray 1 Purple 1 White 2 Describe the variability for this data
September 17, 2014

math
amos has 12 action , 15 comedy,. and 9 drama dvds, find the ratio of action dvds to the total number of dvds.
September 15, 2014

chemistry 1045L
The volume of a sphere is given by V=(4)(3.14)(r^3)/3 where r is the radius of the sphere. what is the density in g/mL of a sphere which weighs 2.00lb and has a radius of 3.50 inches?
September 15, 2014

math
7x9=63
September 10, 2014

chemistry
the vapor pressure of pure water at 60 c is 157 mmHg. what is the vapor pressure of this solution at the same temperature, in mm Hg?
August 25, 2014

chemistry
Ions in aqueous solution that are surrounded by polar water molecules are said to be saturated. is it true or false?
August 22, 2014

chemistry
hydrogen gas has a Henry's law constant of 1.07e-6 M/mm Hg at 25 Celsius when dissolving in water. if the total pressure of gas (H2 gas plus water vapor) over water is 1.0atm, what is the concentration of H2 in the water in grams per milliliter?
August 22, 2014

Math
from a lockout tower 25 meters high, a man observes from a position 1.70 meters below the top of the tower that the angle of elevation of the top of a nearby building is 12 degrees 40 minutes and the angle of depression of its base is 70 degrees 20 minutes. If the base of the ...
August 14, 2014

Math
the formula for slope is rise over run. slope=rise/run. just substitute it to the given. where rise is x and run is y.
July 28, 2014

Social study
it is called multi purpose projects because it serves more than one purposes.
July 28, 2014

Ultimate medical academy
What are at 10 least factors which have influenced healthcare?
July 12, 2014

Economics
Are there any welfare or subsidy payments that should be reviewed or added?
June 24, 2014

math
what is the sum when 101111 is added to the 6digits number?
June 12, 2014

english
traditional african marriage is an advantage to men and women
May 27, 2014

chemistry
A sample of gas occupies 100ml at 27degree Celsius and 740mm pressure. The temperature the gas will have,when its volume is changed to 80ml at 740mm pressure is?
May 19, 2014

Chemistry
A sample of gas occupies 100ml at 27 degree Celsius and 740mm pressure. The temperature the gas will have,when its volume is changed to 80ml at 740mm pressure is?
May 19, 2014

math
There were 744 tickets sold for a basketball game. The activity cardholder's tickets cost $1.75 and the non-cardholders tickets cost $2.25. The total amount of money collected was $1477.50. How many of each kind of ticket were sold?
May 8, 2014

math
An actor invests some money at 7%, and $44000 more than three times the amount at 10%. The total annual interest earned from the investment is $41770. How much did he invest at each amount
May 8, 2014

Geometry
Find the coodrinates of the other endpoint of the segment given (-24,15) is the midpoint and one of the endpoint is (-18,10)
April 30, 2014

Social Studies
1. In The Eastern Orthodox Church, icons Were?. A. Once Forbidden B. Always Against Religious Law C. Never Important D. Very Important (My Answer) (2.The Pope Is The Leader Of ?) A. The Roman Catholic Church (Answer) B. The Greek Othodox Church C. The Roman Gods D. The ...
April 8, 2014

Pre Algebra
The low temperature for 6 consecutive days in a Montana city were 9°,3°,4°,16°,11°,and 5°. What would the low temperature have to be on the seventh day to have a mean low temperature of 6°for the week?
April 3, 2014

Statistics
Twelve different video games showing substance use were observed and the duration times of game play ( in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 95% ...
March 24, 2014

Math
Mrs. Meier had 3/5 kg of sugar. She used 1/4 of it to make cookies. How much sugar did she use to make the cookies?
March 19, 2014

Physics
a BATH CONTAINS 100 KG OF WATER AT 60 DEGREES CELCIUS. HOT AND COLD TAPS ARE THEN TURNED ON TO DELIVER 20KG PER MINUTE EACH A TEMPERATURE 70 DEGREES CELSIUS AND 10 DEGREES CELSIUS RESPECTIVELY. HOW LONG WILL IT BE BEFORE THE TEMPERATURE IN THE BATH HAS DROPPED TO 45 DEGREES ...
March 10, 2014

ethics please help
Which of the following is associated with the Heinz dilemma? a. Lawrence Kohlberg. b. Jean Rousseau. c. Immanuel Kant. d. None of the above.
February 23, 2014

Ethics
Which philosopher argued that women are defective males? Answer a. Thales of Miletus. b. Plato. c. Socrates. d. Aristotle.
February 23, 2014

ENG1511
Why is 'first' in the first sentence of paragraph 8 in inverted comas?
February 22, 2014

ms240l
2x=18 y if y=kx where is the constant of prooortionality then what is the value of k?
February 15, 2014

math
i got 11:3 but unsure if thats right
February 14, 2014

math
There are 3 red paper clips, 5 yellow paper clips, and 6 silver paper clips in a jar. What is the ratio of the total number of paper clips to the number of red paper clips? 14:3 11:3 3:14 or 3:11
February 14, 2014

Math
Everyone in Andy’s class has to do a science project. Out of the 20 students, 80% have completed their project. How many students still need to finish their projects (got 4 students)
February 14, 2014

Math
i took 8 and 5 from 85 and 50 but i couldnt think straight i feel weak
February 14, 2014

Math
so its 5:8?
February 14, 2014

Math
Emily has 85 books on her bookshelf. Of those books, 20% are mysteries, 18 are adventure stories, and the rest are fantasies. What is the simplified ratio of fantasies to total books on her bookshelf (i got 10:17 ) answers list:35:50 7:17 5:8 or 10:17
February 14, 2014

Math
Ms.Sue Help?
February 14, 2014

Math
A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas ( i got 1,032 ) answers to choose:1,032 miles 1,548 miles 1,204 miles or 1,376 miles
February 14, 2014

Math
Yesterday, a parking lot had 60 cars parked in it. Of the cars parked in the parking lot, 40% were silver, 14 were red, and the rest were blue. How many of the cars were blue ( I Picked 6 cars) Answers To Choose:24 cars 38 cars 22 cars or 6 cars
February 14, 2014

chemistry
a 2.50-mole quatity of NOCL was initially in a 1.50-L reaction chamber at 400 degrees celcius. after equilibrium was established, it was found that 28.0 percent of the NOCL had dissociated. 2NOCL(g) <---> 2NO(g)+ Cl2(g)
February 4, 2014

business
. In two or three paragraphs, describe circumstances under which a company that is doing business online might want to use a warranty disclaimer
January 31, 2014

Math
38
January 24, 2014

Algebra
yes! thank you! I have another but I don't know how to put the picture into one of these boxes :)It's suppose to be a big triangle... In the figure below, the lengths of DE, EF, and FG are given, in units. What is the area, in square units, of triangle DEG? G...
December 14, 2013

Algebra
could you tell me how you got that answer?
December 14, 2013

Algebra
A 6-foot spruce tree is planted 15 feet from a lighted streetlight whose lamp is 18 feet above the ground. How many feet long is the shadow of that tree?
December 14, 2013

Algebra
Thank you!
December 14, 2013

other
he HIM department listed the following LOS data for the longest admissions for the month of September. What LOS is the 90th percentile? 43, 45, 54, 55, 59, 60, 62, 64, 66, 67, 67, 68, 68, 69, 70, 70, 71, 72, 74, 75
December 8, 2013

Geometry
I manage to get X^2+X^2=144
November 6, 2013

Geometry
The diagonal of a square measures 12 feet. a. What is the exact measure of a side of the square? b. What is the area of the square
November 6, 2013

Geometry
Find, to the nearest tenth of a centimeter, the length of a diagonal of a square if the measure of one side is 8.0 centimeters.
November 6, 2013

statistics
Find the uniform continuous probability for P(X < 27) for U(0, 50). I need the formula to figure out with 4 place decimal place as an answer
October 28, 2013

Math
The height is x someone please solve the problem
October 9, 2013

English
Identify the comma splice. A. Sheema applied for a summer internship she accepted a volunteer position at the hospital. B. Sheema applied for a summer internship, she accepted a volunteer position at the hospital. C. Sheema applied for a summer internship and she accpted a ...
October 9, 2013

Chemistry
Convert 1.445 +104m to km
August 10, 2013

MATH
(X+2) + 3 = 10 X + 1 HOW TO DO THIS ?
June 12, 2013

Math
4x+ (x+2)= 9x-10 How to do this ?
June 12, 2013

GEOMETRY I BEG YOU PLEASE HUHUHU
Points w,h and y and three points on a line with coordinates -2/3, 5/12, -sqrt of 7 / 6 . which point is between the other two ?
June 12, 2013

math
WHAT IS THE LCD OF 2, 29 AND 53 ?
June 12, 2013

PLEASEEE GEOMETRY
POINT H,I,J AND THREE POINTS ON A LINE W/ COORDINATE -4/5 , -1/SQRT5 AND -1/10. WHICH POINT BETWEEN THE OTHER TWO ?
June 12, 2013

GEOMETRY
POINTS M,N, AND O ARE 3 POINTS ON A LINE WITH COORDINATE 5, 2 SQUARE ROOT OF 5 AND 3 SQUARE ROOT OF 2 RESPECTIVELY, WHICH POINT IS BETWEEN THE OTHER TWO ?
June 12, 2013

Math
Can You Help Me On Some Questions?
May 24, 2013

Math
If you have 25 poles at 24'' foot long and your cut the poles 7'' 7/8 how many posts would you have altogether
May 1, 2013

programming
Math
April 16, 2013

business
Healthy Options is a Pharmaceutical Company which is considering investing in a new production line for its pain-reliever medicine for individuals who suffer from cardio vascular diseases. The company has to invest in equipment which costs $2,500,000 and falls within a CCA tax...
April 13, 2013

History
Thxs so much
April 5, 2013

History
in 1866 Chief cloud ambushed and massacre Union soldiers the massacre was named what A. Little big horn B.Wounded Knee C.Fetterman D. Chivrington
April 5, 2013

Chemistry
thank you
April 3, 2013

Chemistry
i am not understanding how to solve this how many moles of gas are present in a sample that is at 756 mm Hg pressure, has a volume of 5.3 L, and a temperature of 38 degrees C?
April 3, 2013

Chemistry
thank you very much
April 3, 2013

Chemistry
I dont understand what it is i have to do
April 3, 2013

Chemistry
the pressure in a 10.0 L cylinder is raised from 483 mm Hg to 762 mm Hg. What is the new volume?
April 3, 2013

business
what is the purchase price of eight soft corporation bonds with an annual interest rat of 8 1/2% and a current market price of 83? The commission charge is $5 per bond. the date of the transaction is January 1, and the bond pays on Otober 1 and april 1.
March 26, 2013

math
A triangle has angles measuring 35 degrees and 53 degrees.What is the measure of the third angle of the triangle.
March 20, 2013

George Carver
acute triangle
March 20, 2013

George Carver
acute angle
March 20, 2013

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