Tuesday
December 6, 2016

Posts by Angel

Total # Posts: 1,111

Science
A lead calorimeter with mass of 150g contains 200g of water. The calorimeter and water are in thermal equilibrium at a specific temperature. Two metallic blocks are placed into the water. One is a 50.0g piece of aluminum heated at 90 degrees celcius. The other has a mass of ...
December 2, 2016

math
Put the following decimals and fractions in order from greastest to least: 0.15, 2/3, 3/5, 0.25, 1 1/8
November 29, 2016

Analytical chemistry
Calculate the expected concentrations of vitamin B6 and caffeine in the stock solution assuming exactly 0.0506 g of pyridoxine hydrochloride (vitamin B6) and 0.1253 g of caffeine are dissolved in a 100 mL volumetric flask.
November 23, 2016

Mathematics
This wasn't there before Sorry But I have a test and I urgently need help
November 16, 2016

Mathematics
The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. plzzzzzzzzzzzzz helppppppppp on thisssss. On my previous question I even showed my work
November 16, 2016

Math
The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. Since no one looked at my previous work.................
November 16, 2016

Math
Okay That's makes so much sense. Thank you so much
November 16, 2016

Math
The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. My Work: Step 1: a^2 + b^2 = c^2 =(x-1)(x-1) x-1 equals to all the sides of the cube Step 2: a^2 + b^2 = c^2 (x-1)^2 + (x-1)^2 = c^2...
November 16, 2016

French!
1-Les images animes(accute accent on the last "e") sont crees(accute accent on all the "e") par les freres Lumieres. 2-Le portrait peint est remplace(accute accent on the last "e") par laphotographie. 3-Les premieres vues aeriennes sont realisees(...
November 14, 2016

French
1- ... sont comuniques(Accute Accent on the last "e") 3-...sont soumises 5-...est lancee(A.A on the second to last "e") 7-...sont perdues 8-...sont seduits
November 14, 2016

Business Law
Can anyone please help? Covenants not to compete (noncompete agreements) are generally legal in most states as a matter of employment contract law as long as: Choose All that APPLY: a. they are not excessive in the amount of time they run b. the hired employee has insisted on ...
November 13, 2016

Geometry
In Parallelogram PARK, angle P = (7x) degree angle A = (3x - 20) degree angle K = (5y - 10) degree. What is x + y?
November 12, 2016

math
Show me how to make $0.60 in two ways,without using quarters or pennies
October 20, 2016

Analytical chemistry
Calculate to four decimal places the mass of pure dry CaCO3 required to make 1 L of a 1000 ppm Ca stock solution.
October 20, 2016

MATH
A dietician is planning a snack package of fruit and nuts. Each ounce of fruit will supply zero units of​ protein, 3 units of​ carbohydrates, and 2 unitss of​ fat, and will contain 20 calories. Each ounce of nuts will supply 2 units of​ protein, 11 ...
October 19, 2016

6th grade math
If someone can please help me i keep re reading my mathbook I need help i tried I'm unsure: Is there a relationship between area and perimeter? (My answer : yes they both are meadurements one reads the outside and one inside.) Does changing one mean the other one always ...
October 17, 2016

algebra
write an explicit formula for the nth term an for 17,20,23,26
October 17, 2016

Math
Find the quotientshapes to the nearest hundreth. 5.8 divided by 30.8 Is this correct so I round 5.8 to 6 and 30.8 to 31 ?
October 11, 2016

6 grade math
Find the area of the figure at right in at least two different ways. Explain how you get your answer with diagrams and remember to label them with the correct units. So the image is a 10cm by 15cm and smaller box attach to the side. Like an London shape . I think I should just...
October 11, 2016

Algebra
Find all points on the line x = 3 that are 8 units from the point (10,-10).
October 10, 2016

Statistics
Can anyone help me with this? Which of the following statements is true about a 99% confidence interval? a. The interval contains 99% of the population. b. The probability that the population mean is in the interval is 99%. c. The interval is wider than a 95% confidence ...
October 7, 2016

English
When summarizing the of a plot, one should notice the key ideas about how the conflict builds.
October 6, 2016

English
Which are features of myths? Check all that apply. supernatural gods or animals fantastic settings humorous elements that entertain the reader an attempt to explain the origin of the universe characters found in everyday life conflicts between worlds, beings, self, or natural ...
October 6, 2016

Math graphs,dot,ven
I did a bar graph I think it is easier than dot and ven diagram. Am I correct because ven diagram there are no similarities and dot is to long.the problem asks as follows. Display the data using a dot plot,bar graph or vennot diagram.decide which data displays best for ...
October 2, 2016

Trigonometry
find an equation of the line passing throug (2,6) and is inclined at an angle 60 degrees counterclockwise from the horizontal
October 1, 2016

analytical chemistry
Calculate the concentration of the initial nitrate stock solution (in ppm) if exactly 0.361 g of KNO3 is dissolved in a 1 L volumetric flask with distilled water. Here I want the concentration of nitrogen in ppm.
September 22, 2016

analytical chemistry
Calculate the concentration of the initial nitrate stock solution (in ppm) if exactly 0.361 g of KNO3 is dissolved in a 1 L volumetric flask with distilled water.
September 21, 2016

math
How many centimeters would represent 40 kilometers if you were using a scale of 1 cm = 1 m? 1 cm = 1 m 40 km = X x = 1 x 40 x = 40 cm
September 14, 2016

math
Thank you!
September 14, 2016

math
What distance on the ground does 5 inches on a map represent if the scale is 1 in. = 1.5 mi.? 1 inch = 1.5 miles 5 inches =X x- 1.5 x5 x= 7.5 miles
September 14, 2016

geometry
if one of the two vertical angles has a measure of 3x and the other has a measure of 5x - 80. Find the measure of each.
September 14, 2016

physic
Somehow two students managed to open two windows at the library. Student A is 17 m above the ground and Student B is 23.5 m above the ground. At the same time that Student A drops a ball, Student B throws a ball straight down at an initial speed of 7.36 m/s. At what height ...
September 11, 2016

physic
Somehow two students managed to open two windows at the library. Student A is 17 m above the ground and Student B is 23.5 m above the ground. At the same time that Student A drops a ball, Student B throws a ball straight down at an initial speed of 7.36 m/s. A. At what height ...
September 8, 2016

Math
5x -7(2-4x)
September 5, 2016

Accounts
Owner Started a business investing $11,000 and $7,000 equipment. how do i record this
September 1, 2016

math
two numbers are reciprocals of each other and whose sum is 3
August 17, 2016

chemisrty
an object has a mass of 123 g and volume of 17cm3. calculate the density of the object
August 14, 2016

algebra
The denominator of a fraction is 2 more than the numerator.If 1 is subtracted from both numerator and denominator,the result in fraction has value of 1/2.Find the original faction.
July 31, 2016

math
how to put 2/3,1/2,4/5 and 7/30 in ascending order
July 4, 2016

Math
A balloon 150 meters from the observer is rising vertically at constant rate. After 1 minute the angle of elevation is 28 degrees and 29 minutes. What is the angle after 3 minutes?
June 22, 2016

math
Sam has two bags of nuts; one with 77 % peanuts, and the other with 29 % peanuts. To make a 9 lb bag of 44 % peanuts, how much of each should Sam use?
June 16, 2016

management
what are the 10 most otstanding businesses in the philippines? who are the 10 most outstanding managers in the philippines? contributers of management?
June 15, 2016

math
Using the formula, compute the true annual interest rate. Loan amount = $9,500 Monthly payments = $227.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) = _____.
May 16, 2016

math
Ashley is having a pizza party she invited 11 friends. She has 1 3/4 of a pizza. How much pizza will each friend get?
May 3, 2016

life orientation
the road users and risk they face
April 21, 2016

Life orientation
identify three human rights violations or discrimination and explain in an introductory paragraph why you choose the specific human right violation or discrimination
April 19, 2016

Algebra
Justine earned $26,000 during the first year of her job at city hall. After each year she received a 3% raise. Find her total earnings during the first five years on the job.
April 13, 2016

grade 7 mathematics
A bag contains 14 green tiles, 10 red tiles, and 16 blue tiles. What is the theorectical probability that you will randomly select a blue tile?
April 7, 2016

History
What are two important ways in which the mind and behavior of the non-conventional white-collar criminal are similar to the mind and behavior of the conventional street criminal, and what are two important ways in which they are different?
April 1, 2016

math
A 10-foot ladder is leaning against a wall. The base of the ladder is 2 feet from the base of the building. How far up the building does the ladder fall?
March 22, 2016

Math/Precal
Given sinA=3/5 and cosA=5/13, find sin2x
March 18, 2016

Math
This is similar to a question i seen below but how do i write cos^2 4-sin^2 4 as a single trigonometric function? And 1-2sin^2 3
March 17, 2016

Social Studies
Hawaii island
February 29, 2016

Chemistry
Are these isotonic hypertonic or hypotonic. 1.5% w/v NaCl 5.0% w/v glucose 0.55%w/v NaCl And why??
February 23, 2016

4grade math
:)
February 15, 2016

4grade math
Hmmm, are there any multiple choice answers for this question or is it an essay question?
February 15, 2016

Science
Seriously, all you have to say is "Nope"? No explanation or anything to help me? I am so sick of this and the fact that it took someone 5 hours and 20 minutes to answer my questions is freaking messed up! But, luckily I got a 17/19 and my essay questions need to be ...
February 15, 2016

Science
When are tides in earth's oceans the highest? A. during the moon's waning gibbous phase. B. during the moon's waxing gibbous phase C. when the moon is at a right angle to the sun*** D. when the sun, Earth, and moon are in line
February 15, 2016

Georgia state history
Clark you are not dumb. People make mistakes, lol. I agree that it's B
February 15, 2016

Math look for patterns
Marvin counts six $5 bills. Write each value that he counts. What patterns do you see in the ones digits of the values he counts?
February 10, 2016

Language arts .
Yea, I chose "The Maze runner for mine. Choose something that excites you or really gets you interested.
February 9, 2016

Language Arts
Thank you
February 9, 2016

Language Arts
What is the main message of the words that the Statue of Liberty speaks in "The New Colossus" by Emma Lazarus? Key: *** is my answer A. I am a tired, old woman, but I am still strong. B. Welcome to needy immigrants in search of a new home.*** C. America is a beacon ...
February 9, 2016

History
What are the various philosophies on the growth of organizations during the late 19th century? with utilization of workers and farmers
February 7, 2016

math
at a local sports event students paid $3.00 each and non students paid $5.00. There were 120 more students at the event than non students. if the total receipts were 2960 how many tickets of each were sold?
February 6, 2016

Physics
An airplane flying horizontally 1000 meters above the ground at 200 km per hr drops a bomb on a target on the ground. Determine the acute angle between the vertical and the line joning the airplaod and target at the instant when the bomb is released.
January 26, 2016

5th grade math
Which digit is 1/100 of the value of the underline digit in 45,258 (4 is underline)? I think it is 40thousand
January 22, 2016

5th grade math
The value of technology digit 9 in 794,256 is__________ times the value of 9 in 12,276,459. (Think it is : 90,000×12,276,459) Is this right I tried multiplying I get crazy numbers though
January 22, 2016

Math
What numberhas a place value of 3 that is 100 times the place value of 3 in 12,583? Circle all the answers that apply : 2,385 or 3, 257 or 13,548328 or 7, 385 . (I think it's 7, 385 because it moves forward I'm not understand correctly the question)
January 22, 2016

Math
1.Celeste ran 2 1/4 mile on Tuesday and 1 1/2 mile on thursday. How many mIles did she run in all. ( I think it's adding the fractions? ) 2. Mr.Sam took 5/8 of a box of snaks and shared with 4 students.what fraction of the box of snake was shared by the students. ( is it ...
January 22, 2016

geography
true or false:One of the largest migrations in the Middle East took place over 2000 years ago when the Jews were forced out of Palestine by the Romans.
January 3, 2016

geography
is it 1%?
January 3, 2016

geography
it says this About 1% About 5% About 10% About 20%
January 3, 2016

geography
The countries of the Middle East and North Africa make up about 5% of the world’s population. Approximately how much of the global water resources do they control?
January 3, 2016

Math
The temperature in the morning was -23.9 degrees farenight. It rose 30.3 degrees by noon and dropped 7.5 degrees by evening. What were the noon and evening tempertures ?
January 2, 2016

math
x=.
January 1, 2016

math
5x+3=7
January 1, 2016

math
Molly drove a total of 390 miles to get to her destination in the mountains. She stopped twice, getting 14 gallons of gas and snacks, spending $34 at the first stop and $28 at the second stop. In the mountains, she drove 164 miles visiting scenic places. Before she returned ...
December 28, 2015

Chemistry
Analysis of a sample of an organic compound showed it contains 39.9%carbon,6.9%hydrogen and 53.2%oxygen. a)calculate the empirical formula b)if the relative molecular mass is 60,what is the molecular formula of the compound.(C=12,H=1,O=16)
December 19, 2015

Chemistry
An organic compound on analysis gives the following percentage composition of elements present. Carbon 61.85%,hydrogen 10.50% and oxygen 27.65%.determine the empirical formula of the compound.(C=12,H=1,O=16)
December 19, 2015

Math
Thank you so much! You're a big help! :)
December 18, 2015

Math
Thank you! What about this one? 3x + 4(x-6)-3(x-7) A.4x - 45 B.4x - 3 C.10x - 3 D.10x + 45
December 18, 2015

Math
I really need help solving this! For questions 6-7, simplify the expression. 6. -6 - 7(c + 10)(1 point) A. 64 - 7c B. -76 - 7c C. 4 - 13c D. -16 - 13c I don't know which to choose, I need help solving this!
December 18, 2015

algebra 1
The answer is B. I don't remember which unit this was in but I think its B.
December 18, 2015

Spanish
A Inca
December 8, 2015

Physical Education 1-10
385 divide by 32 multiplied by 18 can you get the answer
December 3, 2015

ELA
What are 2 metaphors on freedom? Can some one help ASAP HMU KIK:
December 2, 2015

language
The point of view most suitable for memoirs is the______________ point of view.
November 30, 2015

Chemistry
A solution contains 0.50M Nh3 and 1.50 M Nh4cl. What is the maximum concentration of mg2+ that can be present in such a solution without precipitating Mg(oh)2?
November 17, 2015

chem
i cant believe these arent answered yet. im sorry. 1. 366K 2. 1710 mL 3. 26.2 thats what i have so far
November 17, 2015

chemistry
1. How many grams of calcium chloride (CaCl2) are there in 600.0 mL of an aqueous solution that has a concentration of 0.450 M CaCl2? 2. The conjugate base of HS- is: 3. What mass of calcium chloride, CaCl2, is needed to prepare 3.65 L of a 1.75 M solution? The molar mass of ...
November 12, 2015

chem
i don't know which numbers to plug in where. this is what i was given in my intro to chem class and i am totally lost.
November 12, 2015

chem
The molar mass of hydrogen fluoride, HF, is 20.0 g/mol. If 17.0 grams of HF are dissolved in water to give 200.0 mL of solution, what is the molarity of this solution?
November 12, 2015

chemistry
is it 1.13
November 12, 2015

chemistry
can anyone help with this problem please..... Potassium chlorate decomposes according to the following equation: 2KClO3 (s) → 2KCl (s) + 3O2 (g). If a 3.00 g sample of KClO3 is decomposed and the oxygen is collected at 24.0 °C and 0.991 atm, what volume of oxygen gas...
November 12, 2015

math
what are your options?
November 12, 2015

Language arts.
Don't you think ppl need help why are you fooling around @jazmine
November 12, 2015

math
Sally says any two segment on her fifths strip are the same as 2/5.do you agree with her
November 1, 2015

English
Need help with a thesis. Hamlet who is young and emotionally unstable should not attempt to avenge his father's death based on what a ghost has to say. Is this good? - the question is "Something is rotten in the state of Demmark" Develop Thesis based from the ...
October 22, 2015

college writting two
Could this be a thesis lower minimum wages are detrimental for disabled and college students.
October 20, 2015

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