Sunday
August 28, 2016

Posts by Evelyn

Total # Posts: 181

science
What information does an equilibrium constant give about a reaction? A. It tells how long it takes the reaction to reach equilibrium. B. It tells how much energy is required for the reaction to happen. C. It tells what the rate constant of the reaction is at equilibrium. D. It...
August 25, 2016

science
Which rate constant would result in the fastest reaction? A. 1.3 × 103 L/mol · s B. 2.8 L/mol · s C. 9.5 × 10-2 L/mol · s D. 4.2 × 10-3 L/mol · s is the answer for this one c?
August 25, 2016

science
A graph of experimental data is a straight line when ln[H2] is plotted versus time. Which rate law fits the data? A. Rate = k(ln[H'small2']) B. Rate = k/[H'small2'] C. Rate = k[H'small'2] D. Rate = k[H'small'2]^2
August 25, 2016

science
If a reaction rate increases with temperature, how will the rate constant of the reaction change with temperature? A. The rate constant only changes upon addition of a catalyst to the reaction. B. The rate constant will decrease with temperature. C. The rate constant will not ...
August 25, 2016

pre calculus honors
solve the system if possible | x+y+z = 15 | | < 7x+y+z = 75 | | | 3x+y-z=29 a. x=10,y=2,z=3 b. x=–10,y=–2,z=–3 c. x=3,y=10,z=–3 d. x=12,y=9,z=–3 e. no solution; inconsistent system
August 24, 2016

pre calculus honors
so is the answer s=−32t^2 −15t+161?
August 24, 2016

pre calculus honors
An object moving vertically is at the given heights at the specified times. Find the position equation s = 12 at^2 + v (small o) t + s (small o) for the object. At t = 1 second, s = 161 feet At t = 2 seconds, s = 98 feet At t = 3 seconds, s = 3 feet a. s=−8t^2−t&#...
August 24, 2016

math
In a math contest of 20 problems, 5 points were given for each correct answer. If Janelle answered all 20 problems and scored 72 points how many correct answers did he have?
June 22, 2016

English speech
traditional healers should be allowed to practise and prescribe in hospitals and clinics
April 17, 2016

life orientation
six ways that the human right voilations influences individual group and the broader south african community
April 13, 2016

chem
What is the pH at the titration of 40 mL of 1.5 M Tartaric acid with 30ml of 0.6 M NaOH?
March 14, 2016

Science
Thanks lol
February 12, 2016

math
Starting at the fourth floor, an elevator goes down 3 floors and then up 8 floors. Write a numerical expression to show at which floor does the elevator stop?
January 28, 2016

math
Show that each number is a rational number by writing it as the quotient of two integers. 1. 37 2. -3 1/5 3. 9.2 4. -0.23
January 28, 2016

math
Order each set of rational numbers from least to greatest: -4.5, -4 6/10 and -4.06 I'm not sure how to order these
January 28, 2016

math
how do i divide -2.4 by 2.54?
January 27, 2016

math
Thank you very much
January 27, 2016

math
students are growing plants under different conditions. the average plant growth during a week is 3.5 inches. the difference from the average for Ji is 2 1/4 in., Gayle -2 7/10 in., Stefan 1.5 cm and Ricardo -2.4 cm. How do you find the actual height of each plant? what are ...
January 27, 2016

math
wasn't sure i had posted the question correctly. thank you.
January 1, 2016

math
If 1 gallon of water weighs 8 1/3 lb. how much does 1 1/5 gallons weigh?
January 1, 2016

math
what is 6/5 x 25/3
January 1, 2016

Science
11,350 N. i got the same answer at first and then my teacher helped me.
December 9, 2015

math
write linear equation for phone company who base rate is $40 and every minute costs $0.05. Average minutes of 200 minutes per month
December 8, 2015

Quantitative Analysis
what percentage of women have shoe sizes greater than 11.33 if the mean is 8.27 and the deviation is 1.53? 11.33-8.27=3.06/1.53=2 95/2=47.5 50-47.5=2.5
November 15, 2015

microeconomics
A firm currently uses 40,000 workers to produce 180,000 units of output per day. The daily wage per worker is $100, and the price of the firm's output is $28. The cost of other variable inputs is $500,000 per day. (Note: Assume that output is constant at the level of 180,...
October 29, 2015

math
Thank you! Got it... I went in circles on this one trying to help my lil one...
October 8, 2015

math
aiden knows the length of only one side of his garden. He says he will be able to find the area knowing only one side. Explain how this can be true. If there's only one side then Aiden should multiple it...? But if so, how many times 2, 3, 4...?
October 8, 2015

Math
Please help me to understand in this question: A number, containing no zeros, changed to 901,400 after it was rounded. To what place was the number rounded? Explain how you know.
September 15, 2015

Fraction
If I had ten and one half of beef and five an one half of pork and I used thirteen an two thirds what's left
September 11, 2015

math
Diane Van Os decided to buy a new car since her credit union was offering such low interest rates. She borrowed $32,000 at 3.5% on December 26, 2012, and paid it off February 21, 2014. How much did she pay in interest?(Assume ordinary interest.)
September 11, 2015

math 0310
Train A has a speed 20 miles per hour greater than that of train B. If train A travels 270 miles in the same times train B travels 230 miles, what are the speeds of the two trains?
June 30, 2015

Stats
A researcher uses a matched- subjects design to investigate whether single people who own pets are generally happier than single people without pets. A mood inventory questionnaire is administered to a group of 20 to 29 year old non pet owners and a similar age of pet owners. ...
June 16, 2015

Business
Can someone verify which of the statement is most accurate regarding reinforcement theory My ans is A
May 19, 2015

Business
Can someone help me please Which type of financial ratio statement is used to judge how well an organization will be able to meet its short-term financial obligations? a- Debt B. Activity c.-liquidity D. Profitability I have: C
May 18, 2015

business calculations
0.0264
April 20, 2015

chemistry
How much carbon dioxide measured at 25.0◦C and 821 Torr would be produced by the combustion of 319 g of glucose (C6H12O6)? 1. 40.1 L 2. 20.2 L 3. 241 L 4. 3.37 L
March 31, 2015

Pre-Calculus
Can you create another pair of six-sided dice (different from the standard dice) that produces the exact same probabilities of the sums two through twelve appearing? The only rule is that the numbers on each face must be positive integers. I've been attempting this problem...
December 17, 2014

Math
4 hours
November 5, 2014

math
what is the volume of a cereal box that is 6.5 inches long 4.25 inches wide and 10 inches tall ?
April 29, 2014

Biomechanics
Flexion of the elbow and supination of the forearm occur about what axes respectively?
March 23, 2014

Biomechanics
Flexion of the elbow and supination of the forearm occur about what axes respectively?
March 22, 2014

Math
A rectangle has sides 170mm and 130mm.What is the angle between the diagonals?
March 15, 2014

chemistry
What is the total energy change if 150.0 grams of ice at 0.0 oC are melted, then the water is warmed to 45.0 oC? Is this process endothermic or exothermic? ƒ´Hf = 6.01 kJ/mol(multiple steps)
March 6, 2014

math
a seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.5 *10^2,find the earthquakes magnitude. round one decimal
February 15, 2014

Math
Patrick drove 3 hours to attend a meeting. on the return trip, his speed was 10 mi/h less, and the trip took 4 hours. a) what was his speed each way? b) what is the distance he drove one way?
September 30, 2013

Math
the length of a rectangular garden is 5 meters more than 3 times its width. The perimeter of the garden is 74 meters. What are the dimensions of the garden?
September 30, 2013

Math
screen sizes (TVs, computers) are given by measuring the length of the diagonal. If the base length of a 40-inch TV is 32", what is the surface area of the TV screen?
September 28, 2013

math
screen sizes (TVs, computers) are given by measuring the length of the diagonal. If the base length of a 40-inch TV is 32", what is the surface area of the TV screen? (think about what you need to know to compute the area of a rectangle)
September 26, 2013

Math
a house with dimensions 52 ft x 40 ft sits on a lot that is 90 ft x 120 ft. How many bags of grass seed would it take to cover the lawn, which includes the entire area of the lot except where the house stands, if one bag is advertised as covering 800 square feet?
September 26, 2013

math
thanks
September 25, 2013

math
answer should be in percent
September 25, 2013

math
twelve cans, each 6.6 cm in diameter are packed into a carton. what is the efficiency of this package; that is, what percent of the total base area of the carton is covered by the cans? (use the formula A = πr^2 to calculate the area of a circle)
September 25, 2013

Math
during one drive a high school football team lost 3 yards on the first down, lost 5 yards on the second down, then gained 15 yards on the third down. how many yards do they need to get a first down? should they go for it or punt?
September 11, 2013

Math
how many CDs can be bought from an internet music store for $100 if each CD costs $14.99 and shipping and handling costs for the entire order is $8.50?
September 11, 2013

Math
Barbara had $123.54 in her checking account. she made a deposit of $45.62. when she went shopping later that day, she saw a coat she really wanted. it was on sale for 40% off the original price of $240. Assuming that she bought nothing else that day, does she have enough money...
September 11, 2013

Math
thanks a lot
September 11, 2013

Math
a soup kitchen prepared 2 gallons of soup. how many people can be fed if each serving of soup is 3/4 of a cup? I know the answer is 42 people but I want to known the formula
September 11, 2013

Math
How many 2(1/2) foot-long shelves can be cut from a wooden board 9 feet long? how much wood will be left over?
September 2, 2013

Life orientation
I want all the answers of social and environmental responsibility
August 1, 2013

Math
if a circle has half of one quarter of its overall area shaded, what would the percent of the shaded area be
June 10, 2013

Chemistry
Initally, only H2S is present at a pressure of 0.224 bar in a closed container. What is the total pressure in the container at equilibrium? H2S(g)<--->H2(g)+S(g) Initally, only H2S is present at a pressure of 0.224 bar in a closed container. What is the total pressure in...
June 10, 2013

American Government
What is the largest citizen's group with over 30 million members?
May 1, 2013

Medical Billing and Coding
1. You're an outpatient coder in Dr. Smith's office. When you code procedures, you're probably using _______ codes. A. ICD-10-CM B. ICD-9-CM C. HCPCS D. CPT ANSWER 2. You're a coder who's reviewing the record of a 62-year-old woman who was admitted to the ...
April 23, 2013

Medical Billing & Coding
1. You're an outpatient coder in Dr. Smith's office. When you code procedures, you're probably using _______ codes. A. ICD-10-CM B. ICD-9-CM C. HCPCS D. CPT ANSWER 2. You're a coder who's reviewing the record of a 62-year-old woman who was admitted to the ...
April 22, 2013

SCIENCE/ECOLOGY
yes for the whole world in 1892-1967.
April 2, 2013

SCIENCE/ECOLOGY
I NEED HELP IN PREPARING A DEMOPRAPHIC AND ENVIRONMENTAL TIMELINE WHICH INCLUDES DEATH RATES, BIRTH RATES, POPULATION CHANGES, AND MAJOR HISTORY CHANGES
April 2, 2013

Algebraic
Joan Arlington has twice as much money invested at 5% simple annual interest as she does at 4%. If her yearly income does she have at each rate? At 4%, she has At 5%, she has
April 1, 2013

Algebraic
Joan Arlington has twice as much money invested at 5% simple annual interest as she does at 4%. If her yearly income does she have at each rate? At 4%, she has At 5%, she has
April 1, 2013

Algebraic
Salem and Vernon ville are 168 miles apart. A car leaves Salem traveling towards Vernonville, and another car leaves Vernonville at the same time, traveling towards Salem. The car leaving Salem averages 10 miles per hour more than the other and they meet after 1 hour and 36 ...
April 1, 2013

Math algebra
A motel clerk counts his $1 and $10 bills at the end of a day. He finds that he has atotal of 56 bills having acombined monetary value of $191. Find the number of bills of each denomination that he has
April 1, 2013

math
A 13 foot ladder is leaning against a building.The bottom of the ladder is 5 feet from the building.How high up does the ladder meet the wall?
March 25, 2013

english 3
Look up the following words. Give the etymology of each. State what kind of term, such as mathematical, scientific, political science, history, etc. Include the name of the dictionary consulted as well as the publisher and publishing date. ideological: constructivist: Marxist...
March 6, 2013

college chemistry
if a cheetah runs 60 miles per hour how many milliseconds will it take to run 33 meters
January 23, 2013

English
REVISED My passion for medical transcription arose because of my love for research and thirst for knowledge after losing my father from stroke complications. I have been curious about new diagnoses, medications, technologies, and new treatment options. As a transcriptionist, ...
January 18, 2013

English
IS THIS PARAGRAPH ACCEPTABLE FOR THE INFORMATION REQUIRED? Your goal is to persuade your cousin to apply for the job. You e-mail her a paragraph explaining the specifics of the job and the reasons she should apply. You want to convince her that she has the job skills required...
January 18, 2013

English
Thank you for critism.
January 18, 2013

English
Please indicate if these details are including in paragraph. The paragraph must describe one particular experience you’ve had that inspired you or guided you to choose the type of position for which you applied. show you have thought carefully about what and/or who has ...
January 18, 2013

English
Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans to apply at similar stores in your town. But you also know she is a perfect match for a job ...
January 16, 2013

English
Revised from Wednesday, January 16, 2013 (10:46 a.m.) I choose to become a Medical Transcriptionist to use my skills in writing, spelling, grammar and punctuation. My passion for medical transcription arose because of my love for research and thirst for knowledge. I have been ...
January 16, 2013

English
You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe one particular experience you&#...
January 16, 2013

chemistry
The half life of gold-197 is 10.6. What fraction of a sample remains after 21.2 years?
January 9, 2013

Math
Writing to explain if you know that 4 x 5 = 20, how can you use the Commutative (Order) Property to find 5 x 4?
December 3, 2012

Chemistry: Le Chatelier's
What happens when CoCl2 is added to the following system? Co(H20)6 + Cl + heat <-> CoCl4 + 6H20?
November 20, 2012

chemistry
a 12.0g of sample A (70.2g/mol)was burned in a bomb calorimeter in an excess of O2(g). A+2 O2(g)---> 2 CO2(g) +2 H2O(l) The temperature of teh calorimeter rose from 25.00 degrees celisus to 29.82 degree celisus. ifthe heat capacity of the calorimeter and its contents is 13....
November 19, 2012

chemistry
A compound of Fe and Cl is soluble in water. An excess of AgNO3 was added tp precipitate the Cl- as AgCl. if a 1.540g sample of the compund gave 4.082g AgCl, What is the formula of the compound?
November 19, 2012

chemistry
A solution contains 5.00% (by mass)NaCl. The density of the solution is 1.064 g/cm^3. What is the molarity of NaCl?
November 19, 2012

Chemistry
Convert 11.5g of NO2 (laughing gas) to liters @ STP
November 17, 2012

Elementary
Fabio said that there are 3 times as many people on a basketball team as on a tennis team .Is he correct .Explain
October 25, 2012

Physics
The velocity of the transverse waves produced by an earthquake is 7 km/s, while that of the longitudinal waves is 11.41 km/s. A seismo- graph records the arrival of the transverse waves 51.1 s after that of the longitudinal waves. How far away was the earthquake?
September 26, 2012

math
find the mystery number, it is a 4 digit odd number, all the digits are different, none of the digits are 0-9, the tens digit is twice the ones digit, and the hundreds digit is twice th tens digit. the thousands digit is one less than the hundreds digit?
September 19, 2012

Economics
write a paper explaining issues that bring concern to pricing your services and products. What ethical challenges will you face in hiring non CPA's What standards apply.
August 30, 2012

Math
Ming-na is making a pizza.she can choose three toppings from pepperoni,mushroom,green pepper.and sausage.how many different topping combinations does Ming-na have to choose from.
August 24, 2012

Math
Tonya and Lauren are designing a soccer uniform.they want to use two colors on the shirt.thier choices are green,orange,yellow,purple,blue,and silver.how many ways can they choose two colors.
August 21, 2012

algebra
Aaron is 13 years older than shelby. in nine years, Aaron will be twice as old as shelby. how old is shelby?
April 15, 2012

calc
dont know
March 8, 2012

math 208
1/5x+1/3=5/6-1/2x
March 6, 2012

PHYSICS
Two crates , one with mass 4.00 kg and the other with 6.00 kg, sit on the frictionless surface of a frozen pond, connected by a light rope. Awoman wearing golf shoes(so she can get traction on the ice)pulls horizontally on the 6.00-kg crate with a force F that gives the crate ...
March 4, 2012

PHYSICS
A hockey puck with mass 0.160 kg is at rest at the origin (X = 0)a player applies a force of 0.250 N to the puck, parallel to the x- axis; he continues to apply this force until t = 2.00 s. a) What are the position and speed of the puck at t = 2.00 s? b)If the same force is ...
March 4, 2012

physics
Can u please break it down step by step the solution ?
March 4, 2012

physics
but what is the magnitude? Is it 120 degree and what direction?
March 4, 2012

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