Questions Asked on
April 15, 2014

English
Which of the following statements is true of a summary? article. topic. A. A summary condenses the main points of an article. B. A summary is quicker and easier to write than a longer original C. A summary should not include evaluation and criticism. D. A
asked by Angela 
calculus help
If C(x) = 12000 + 600x − 0.6x^2 + 0.004x^3 is the cost function and p(x) = 1800 − 6x is the demand function, find the production level that will maximize profit. (Hint: If the profit is maximized, then the marginal revenue equals the marginal cost.)
asked by vinton 
statistics
Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite
asked by Vanessa 
Chemistry
Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through identical membranes simultaneously. After a certain amount of time, it was found that 4.92 mL of O2 had passed through the membrane, but only 3.04 mL of of
asked by Peter 
English
Which sentence is preferable? A. A student must see their advisor before registering for the following semester. B. A student must see his advisor before registering for the following semester. C. Students must see their advisor before registering for the
asked by Angela 
English
Which sentence is correct? A. The company closed their offices. B. The company closed its offices. C. The company closed it's offices. D. The company closed there offices. C
asked by Angela 
English
The Boy Scout leader announced a camping trip after everyone earns __________ merit badge. A. his B. his or her C. their D. there C
asked by Angela 
English
Either Brenda or her mother lost __________ keys. A. their B. her C. hers D. its A
asked by Angela 
English
Either the principal or the teachers will do __________ best to resolve the conflict with the parent. A. his B. their C. his or her D. there C
asked by Angela 
English
New patients should arrive 20 minutes early, so __________ time to fill out the paperwork. A. they have B. you have C. he or she has D. he has A
asked by Angela 
English
Which sentence is preferable? A. One of the students at the school has given up her scholarship. B. One of the students at the school has given up their scholarship. C. One of the students at the school has given up a scholarship. D. One of the students at
asked by Angela 
English
Which sentence is correct? A. Has everyone brought their stapler? B. Neither of the girls brought their book to class. C. None of the glasses were in its place. D. Some of the children forgot their notebooks. D
asked by Angela 
English
My brother must have had the angels watching over him yesterday. As he __________ from branch to branch like a monkey in a tree, he __________ thirty feet and all he got was a scratched toe. A. swang; had fallen B. swung; fallen C. is swinging; falls D.
asked by Angela 
English
1. Which of the following sentences uses capitalization CORRECTLY? (1 point) A.) You can find the complete list of Senators online. B.) Have you ever read The History of Tom Jones, a Foundling? C.)The Maryland Blue Crabs have become a symbol of the state.
asked by Cassie 
English
When I __________ to pay my restaurant bill, I realized I __________ my credit card at home. A. try; forget B. tried; have forgotten C. tried; had forgotten D. tried; had forgot C
asked by Angela 
English
Identify the sentence that uses the present perfect progressive tense correctly. A. Charlene is feeling sick today. B. Charlene was sick. C. Charlene has been feeling sick lately. D. Charlene feels sick. C
asked by Angela 
chem
A sample of oxygen gas was collected via water displacement. Since the oxygen was collected via water displacement, the sample is saturated with water vapor. If the total pressure of the mixture at 26.4 °C is 725 torr, what is the partial pressure of
asked by Natalie 
English
When preparing to write a summary, you should: A. highlight all main and major ideas after thoroughly reading the article. B. highlight descriptive language and examples. C. take careful notes as you read the article the first time. D. complete outside
asked by Angela 
English
Identify the correct sentence. A. I did my homework when the doorbell was ringing. B. I do my homework when the doorbell is ringing. C. I was doing my homework when the doorbell rang. D. I was doing my homework when the doorbell rung C
asked by Angela 
English
Kristen is a prolific writer. She __________ a couple books of poetry and about a hundred short stories. Someday she __________ as famous as Edgar Allen Poe. A. was writing; will be B. has written; would be C. had written; would be D. has written; will be
asked by Angela 
English
Which sentence is preferable? A. Everyone did his work quietly. B. Each person did their work quietly. C. Everyone did their work quietly. D. Everyone worked quietly. D
asked by Angela 
chemistry
a 0.0500 mol sample of a nutrient substance is burned in a bomb calorimeter containing 2.00 x 10^2g H2O. If the formula weight of this nutrient substance is 114g/mol, what is the fuel value (in nutrient Cal) if the temperature of the water increased 5.70C
asked by ana 
English
s Onethird of the steel units __________ sold, but that one __________. A. have been; wasn't B. been; weren't C. have been; weren't D. been; wasn't A
asked by Angela 
Geometry  Area
Find the area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards long. Round your answer to the nearest tenth.
asked by Kaitlyn 
Calculus Help Please Urgent!!!
A coneshaped paper drinking cup is to be made to hold 30 cm^3 of water. Find the height and radius of the cup that will use the smallest amount of paper. (Round your answers to two decimal places.) Height = ? Radius = ? Show work please!!!
asked by Patrick 
English
Usually Janice __________ part time at the local community college, but this summer she __________ away to grad school. A. teach; is going B. teaches; goes C. teaches; be going D. teaches; is going D
asked by Angela 
English
Identify the part of speech or the form of a part of speech in the underlined portion of the next sentence. The children steadily eased themselves into the cold water of the neighborhood pool. A. common noun B. proper noun C. pronoun D. adjective
asked by Angela 
English
Identify the correct sentence. A. When you will come to Florida next week, we can go out for dinner. B. When you come to Florida next week, we can go out for dinner. C. When you are coming to Florida next week, we can go out to dinner. D. When you be
asked by Angela 
statistics
The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the probability a sample
asked by Vanessa 
Investments
Melissa Popp is thinking about buying some shares of R.H. Lawncare Equipment, at $48 per share. She expects the price of the stock to rise to $60 over the next 3 years. During that time she also expects to receive annual dividends of $4 per share. A. What
asked by Melissa 
chem
the balance equation for the reaction of aqueous sulfuric acid with aqueous ammonia is 2NH3(aq)+ H2SO4(aq) > (NH4)2SO4(aq) 1. what volume of 0.250M sulfuric acid solution would be needed to react completely with 18.00mL of 0.350M ammonia solution? 2. what
asked by Jen 
statistic
Listed below are the ages of actresses and actors at the times that they won Oscars for the categories of Best Actress and Best Actor. The ages are listed in chronological order by row, so that corresponding locations in the two tables are from the same
asked by Bell 
physics
A shout down a well produces an echo in 2.00 seconds. How deep is the surface of the water in the well? Assume the speed of sound to be 343 m/s.
asked by kennera 
calculus help please
A piece of wire 14 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? = 14 m (b) How much wire should be
asked by Christine 
Geometry trig ratio
An observer (o) spots a plane flying at a 55 degrees angle to his horizontal line of sight. if the plane is flying at an altitude of 21,000 ft, what is the distance (x) from the plane (p) to the observer (o)?
asked by Anonymous 
math
Compute the amount of interest earned in the following simple interest problem. A deposit of $8,000 at 9.5% for 120 days.
asked by Anonymous 
Math
Find the average value of the function f over the interval [1, 2]. f(x)=1x^2
asked by Vanessa 
math (matrix)
if (2 1 x+2 ) (3 x4 5 ) =25 (0 1 3 ) p/s : all the value above in one bracket ( ) a) find the value of x b) hence ,find (2 1 x+2 )^1 ( 3 x4 5 ) (o 1 3 ) p/s : all the value above in one bracket ( )
asked by shiha 
college physics
A reflecting telescope has a radius of curvature of 3m for its objective mirror and a radius of curvature of 1.5 for its eyepiece mirror. If the distance between the two mirrors is 0.90 m, how far in front of the eyepiece should you place the electronic
asked by Anonymous 
Accounting
During the week ended May 15, 2013, Scott Fairchild worked 40 hours. His regular hourly rate is $31. Assume that his earnings are subject to social security tax at a rate of 6.20 percent and Medicare tax at a rate of 1.45 percent. He also has deductions of
asked by Marissa 
Math
1.Jamilla is building a square sandbox with sides 7 feet long. She wants to put sand 2 feet deep in the box. How much sand should Jamilla order? A.98ft3 B.14ft3 C.49ft3 D.16ft3 2.What happens to the volume of a rectangular prism when each of the dimensions
asked by Kalie 
Stats
Six letters are picked. Find the chance that they can be arranged to form the word RANDOM.
asked by Mario007 
math
You sell and service vacuum cleaners. Your price on a particular model is $125. However, to get a service contract, you offer to sell it for $115. How much discount are you giving as a percentage of price (to the nearest tenth)?
asked by Anonymous 
CHEM
Calculate the potential at 25∘C for a cell that has the following ion concentrations: [Ag+] = 1.0×10−2M , 3.2×10−2M .
asked by EMILY 
MATHS  AREA
The wall around a playground is 410m. If one wall along the length is 80m long, what is the length of the wall along the breadth? What is the area of the playground?
asked by RIYA 
science
A car driver accelerates to a speed of 35 mph and then takes her foot off the pedal. Even though she does not press the brake pedal at any time, she eventually rolls to a stop. What causes that?
asked by Anonymous 
physic II
Two liters of a perfect gas are at 0 degree C and 1 atm.If the gas is nitrogen, N2. Determine the number of moles? Determine the mass of the gas?
asked by 34 
chemistry
I have the answers, I am just interested in the formulas so that I can solve the problems, thanks! 1. Find the boiling point of a solution composed of 110g of HgCl2 (a nonionizing solute) in 175g of water. 2. Find the freezing point of a solution composed
asked by lisa 
physics
Propeller blade in aeroplane is 2m long if propeller rotates 1800rev/min compute tangential velocity.
asked by Tante ismail 
chemistry
Determine ΔSuniv for the following equation: Ca2+ (aq) + SO42 (aq) → CaSO4 (s)
asked by Kaitlin 
justin
You require space to service 65 vehicles at any one time. Will a facility measuring 145 ft. by 130 ft. be adequate if each vehicle requires 300 sq.ft.?
asked by Anonymous 
geometry
A company packages it's cereal in a rectangular prism that is 2.5 inches by 7 inches by 12 inches. It is considering packaging it in a cylinder shaped container having a 6 inch diameter and a height of 7.5 inches. Which used the least amount of packaging?
asked by Dalton 
math
You require space to service 65 vehicles at any one time. Will a facility measuring 145 ft. by 130 ft. be adequate if each vehicle requires 300 sq.ft.?
asked by justin 
Algebra
Simplify (2a + 2) / a^2 – 1)
asked by Sandra 
Accounting
Target Company issues bonds with a par value of $900,000 on their stated issue date. The bonds mature in 10 years and pay 10% annual interest in semiannual payments. On the issue date, the annual market rate for the bonds is 12%. What is the selling price
asked by help 
Chemistry
What volume in liters of C3H7Cl is produced if 400.0g of C3H8 (propane) reacts with excess chlorine gas according to the equation C3H8+ Cl2 > C3H7Cl+HCl
asked by Megan 
Math
5(2x  10)/2 + 14 = 19 10x  50/2 + 14 = 19 10x 25 + 14 = 19 I am stuck help
asked by Amy 
Science
Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that can be separated by physical
asked by Naomi 
Algebra
What is the undefined value of: (3b^2 + 13b + 4) / (b + 4)
asked by Sandra 
chemistry
A procedure calls for 100ml of 20% H2SO4, SG=1.14. How much of the concentrated acid (98%), SG=1.84, must be diluted with water to prepare 100ml of acid of the required strength?
asked by chantal 
Accounting
Accounting 1 Help! 1. An accountant records a transaction when cash is paid or received under which basis of accounting? cash deferred accrual liability 2. When unearned revenue is initially recorded as a revenue, the adjusting entry would include a credit
asked by Mo 
statistics
The American Association of Individual Investors (AAII) polls its subscribers on a weekly basis to determine the number who are bullish, bearish, or neutral on the shortterm prospects for the stock market. Their findings for the week ending March 2, 2006,
asked by Vanessa 
Social Studies
I am the Star Reporter who is going to visit George Washington at his home at Mount Vernon during the years of 17591774. I am interviewing him about his political and personal views, activities, goals, and predictions. Develop 10 questions to ask
asked by Anonymous 
statistics
People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a.Show the
asked by Vanessa 
math (Matrix)
solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2xy+z=3 x+4yz=6 ii) 3p3q+r=1 3p+5q2r=1 p2q+r=3 iii)12a+b+17c=14 2ab+3c=5 8a+b13c=3 thanks sir/madam
asked by MARYSE 
math
Zeller, Inc., has 60,000 shares of stock outstanding. Zeller declares a dividend of $580,000. What is the dividend per share?
asked by Anonymous 
Math
The mad river flows at a rate of 2 KM/H. In order for a boat to travel 79.2 KM of River and then return in a total of eight hours how fast must about travel in Still water?
asked by Anthony 
math
helo sir/madam can u help me to solve this problem sOLVE 2log 15 +log(5x) log4x=2
asked by fizz 
maths
helo sir/madam can u help me to solve this problem solve the following simultaneous equation logx Y+logy X=5/2 xy=64
asked by fizz 
mathematics for management
helo sir/madam can u help me to solve this problem find the value of x in terms of b of the equation logb 2xlogb(x+2b)=1
asked by amy 
Math
Maurice needed to cut a piece of wood for his project that measures 4 3/4 inches . How much wood will he have left if the board that he is cutting from is 8 inches long? Show your work
asked by J frank dent elementary 
Psy
What effect does the environment have on intellectual differences in humans?
asked by Sade 
math (Matrix)
if (2 1 x+2 ) (3 x4 5 ) =25 (0 1 3 ) a) find the value of x b) hence ,find (2 1 x+2 )^1 ( 3 x4 5 ) (o 1 3 )
asked by shahira 
math
how can you solve this problem ? here X=Y plz help me fast
asked by alex 
math (Matrix)
solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2xy+z=3 x+4yz=6 ii) 3p3q+r=1 3p+5q2r=1 p2q+r=3 iii)12a+b+17c=14 2ab+3c=5 8a+b13c=3 thanks sir/madam
asked by shahira 
Algebra
Divide (2x3 – x2 – 24x + 12) ÷ (2x – 1)
asked by Sandra 
math
a pair of dice is rolled. what is the probabilty of each of the following? a. the sum of the numbers shown uppermost is less than 5. b. at least one six is cast.
asked by Dee 
Math
The yearly returns of a stock are normally distributed with a mean of 5.1% and standard deviation of 2.7%. Find the probability of a yearly return being greater than 6%.
asked by Nick 
Math
In triangle PQR,
asked by lily 
statistics
A standardized third grade reading test, called the We Can Read Test, has a mean of 50 with a standard deviation of 10. A developmental psychologist conducts a study, where he assesses the reading ability of a random sample of 75 third graders using the We
asked by Lee 
algebra
a data set has the following points (0,2) (4,1) (6,0) the slope of the linear regression line is 0.32
asked by Andrew 
MATH
THANK YOU FOR HELP ME SO MUCH ON MY HOMEWORK I REAL appreciate it
asked by alex 
Chem
The information below shows properties of aluminum (Al). DELTAHfus = 10.07 kJ/mol DELTAHvap = 225 kJ/mol Which quantity of heat is required to melt a 342.9g sample of Al? 127.98 kJ 214.93 kJ 2,851.95 kJ 3,453.00 kJ
asked by Kiley 
Math
5  x = 2x  (4x + 6) 5 + 6 = 2x  4x x Not sure if I am working this problem correctly
asked by Amy 
english/vocabulary
Look back at "failing infrastructure" write a letter to your state representative describing an infrastructure problem in your community and urging swift action. thoroughly describe the problem and it's solution, explaining why it is vital to take action
asked by alex 
question
Quick question, If I post a question on here would you be able to delete it?
asked by Angie 
Strategic Leaders
Identify four research sources that provide context for at least three activities of strategic leaders.
asked by helen 
science
Shoe companies imbed unique designs on the bottoms of the sneakers they manufacture.What is the main purpose of the designs on the bottoms of sneakers? A.to increase potential energy B.to decrease friction C.to increase friction D.to decrease potential
asked by Kalie 
Cultural Ant.
What is the meaning of Theoretical approach. Form my homework question my teacher asks me to explain the theoretical approach the author adopts for her investigation. However, I have no idea what a theoretical approach is :(
asked by Renee 
Physics
Man stands out on the street with a frequency meter. A police car drives by with the sirens on and the frequency of the sounds measures 800 Hz when it get close but 600 Hz when the car goes away. a) What is the speed of the police car? b) What is the
asked by Physics: Doppler Effect ? 
statistics
Jorge finds that his standardized z score on an IQ is 2.0. What percentage of people did he score higher than? a. 98 b. 96 c. 68 d. 34
asked by Katie 
statistics
Which of the following percentiles corresponds to the area beneath the standard normal curve from a z score of3.00 to + 3.00? a. 98% b. 100% c. 95% d. 99.7%
asked by Katie 
chem
Given that the density of the supplied vinegar solution in this experiment is 1.025 g/mL, calculate the % acetic acid found in the vinegar sample.
asked by john 
chemistry
what volume of 2.0 M NaCl is required to prepare 150 mL of 0.10 M NaCl?
asked by Rehimina 
Math
Given the total profit function P(x) = 1.3x.01x^230, let x represent a number of days and find maximum profit achieved and when that profit is made. Then graph the function and mark the vertex
asked by Anonymous 
MATH
In triangle PQR,
asked by lily 
Science
Which of the following is the best example of transforming electromagnetic energy into thermal energy? A.when trees absorb sunlight for photosynthesis B.when the interior of a car absorbs sunlight and warms up C.when a solar panal absorbs sunlight to make
asked by Kalie 
Grammar
Is the following senetence considered an runon one? Should I revise it? "To Kill a Mockingbird by Harper Lee features the esteemed novel’s protagonist, a young girl named Jean Louise “Scout” Finch who lives with her beloved older brother, Jem
asked by Victoria 
Physics
John is driving at a constant speed of 20.0 m/s when he passes Jane, who is traveling in the same direction at 15.0 m/s at the moment that John passes her. If Jane is accelerating at 2.0 m/s2, how far will Jane drive before she catches up to John? How much
asked by Tyler 
Algebra
A man drove his automobile to New York, a distance of 550 miles, at a certain average rate. He returned from New York at the rate of 11 mph more. The entire trip required 22.5 hours. What were his rates returning and going?
asked by Summer 
Physics
A crate begins sliding down a frictionless incline of 25.0o. If the objects begins sliding from rest and takes 1.50 sec to slide down the incline, what is the speed of the crate as it leaves the incline? How long is the incline?
asked by Tyler 
Algebra 1 Explanation (Anyone, please!)
Please, can anyone explain the concept of graphing quadratic functions to me? For example, how must I graph gradratic functions such as y = x^2  2x  3? If anyone could also include stepbystep solving methods, I would truly appreciate it.
asked by Victoria 
Math
The longer leg of a triangle is one foot less than twice the shorter leg. The hypotenuse is 17 feet long. Find the area of the triangle.
asked by Jane 
math
A ball rebounds to one quarter from which it was dropped. approximate the total vertical distance the ball after being dropped from 3ft above the ground ,until it comes to rest
asked by anna 
statistics
It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher assesses a sample of 200 adults and find that they have a mean Full Scale IQ of 102. The point estimate of the mean for this group
asked by Katie 
Math
In triangle PQR,
asked by drake 
Health
Potential health risks you may develop if you do not implement the nutrition and exercise plan
asked by Linsay 
Trig
how do you find the standard form of 7(cos255degrees + isin255degrees) ?
asked by Anonymous 
english/vocabulary
can you please help me on word study with writing with idioms ? 1. sick as a dog 2. the best of both worlds 3. under the weather 4. nest eggs 5. when pigs fly 6. slip through the cracks 7. go to seed 8 . thorn in your side 9. turn over a new leaf 10. fifth
asked by alex 
math
Consider F and C below. F(x, y, z) = yz i + xz j + (xy + 14z) k C is the line segment from (2, 0, −2) to (5, 5, 1) (a) Find a function f such that F = ∇f. f(x, y, z) = (b) Use part (a) to evaluate integral C ∇f · dr along the given curve C.
asked by duru 
Health
What are some ways to adjust your exercise and nutritional plan due to age, pregnancy, and physical capabilities?
asked by Linsay 
statistics
A manufacturer ships toasters in cartons of 50. In each carton, they estimate a 2% chance that one of the toasters will need to be sent back for minor repairs. In a batch of 25,000 toasters, what are the chances that fewer than 475 need to be returned? The
asked by Abby 
mathematics for management
helo sir/madam can u help me to solve this problem solve the following simultaneous equation logx Y+logy X=5/2 xy=64
asked by shiha 
Social Studies
How did Diocletian try to reverse the decline of Rome? Please help! I don't get it :( Which event usually marks the fall of the Western Roman Empire? Please help!
asked by Kalie 
English: tragedy
Paraphrase this line by line: I don't understand this.. In tragedy, man is a paradox in a paradoxical existence. Fallible and vulnerable in his mortal finity, he is yet capable of transcendent greatness. Freely exercising his will (a passive hero is
asked by Anonymous 
Physics
A ball is kicked and flies from point P to Q following a parabolic path in which the highest point reached is T. The acceleration of the ball is
asked by Abdulwasiu 
Elementary Algebra
"The university of Oklahoma maintains a fleet of vehicles to rent to university departments. To transport equipment, the School of Drama needs to rent either a cargo can or a pickup truck for one day. The cargo van costs $28 for a day, plus $0.22 per mile.
asked by Taba 
statistics
It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher assesses a sample of 200 adults and find that they have a mean Full Scale IQ of 102. The point estimate of the mean for this group
asked by Katie 
math
Pregnancy Test Results Positive Test Result (Pregnancy is indicated) Negative Test Result (Pregnancy is not indicated) Subject is pregnant 80 5 Subject is not pregnant 3 11 a) Based on the results in the table, what is the probability of a women being
asked by Bell 
Calculus II
Consider the sequence: (a,sub(n))={1/n E(k=1 to n) 1/1+(k/n)} Show that the limit(as n> infinity) A(sub(n))= ln 2 by interpreting a(sub(n)) as a Reimann Sum of a Definite Integral.
asked by chelsea 
statistic
Listed below is a simple random sample of sitting eye heights (in mm) of men (based on anthropometric survey data from Gordon, Churchill, Clauser). Determine whether these sample heights appear to come from a population with a normal distribution. Explain.
asked by Bell 
Calculus II
Compute the first 5 terms of the sequence: {b(n)}n=1> infinity = nsqrt(6n) + (5/6)^n. ((that is:(Bsub(n))from n=1 to infinity = nth root of 6n + (5/6)raised to n.)) If the sequence converges, find the limit.
asked by chelsea 
Math
7xy + 4xy + x + y  2y = 11xy + 3y + x Is this correct?
asked by Amy 
Geometry
Elimination 12x 8y=20 3x +9y=27
asked by Anonymous 
Social Studies
in what article of the Constitution was the Supreme Court established? A) Article III Section II B) Amendment 7 C) Article II Section III D) None of the Above
asked by Alice I NEED YOUR HELP 
math
If I had to divide 680 cm^3/s by 1.767 cm^2 and needed an answer in m/s..how would I do that? Just cancel out two cm's and then divide by 0.01?
asked by Michelle 
alegerba
In the expression 90+5z, the coefficient is
asked by caitlin 
reading
Identify a serious error you find challenging to overcome in your own writing. What effect would making this serious error have on a document that you might have to write as part of your future career?
asked by niya 
Statistics
Find the indicated probability using the standard normal distribution: P(z
asked by Me 
physics
jabu phuses a cart that is of mass 5kg with a speed of 1m,s she suddenly increase the force acting on the cart to move 2m,s for a distance of 50m (a)calculate the force causing the cart to speed up
asked by timothy 
Math
7xy + 4xy + x + y  27 = 11xy + x  1 is this correct
asked by Amy 
Math
Sorry typo error. should be 7xy + 4xy + x + y  2y = 11xy + x  1 is this correct
asked by Amy 
maths (matrix)
solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2xy+z=3 x+4yz=6 ii) 3p3q+r=1 3p+5q2r=1 p2q+r=3 iii)12a+b+17c=14 2ab+3c=5 8a+b13c=3 thanks sir/madam
asked by shiha 
Social Studies
There are two questions: 1) Rob is riding his jetski, John steals the jetski, John gets arrested what court does he have to go to if it was a MARITIME CRIME? A) Federal Court B) District Court C) Supreme Court D) Maritime Court 2) How many judges of the
asked by Alice LAST QUESTION, PLEASE 
MAth
In triangle PQR,
asked by drake 
geometry
10^2=x•(x+3x) Use quadratic formula to solve
asked by ann 
Chemistry
1. How would you sketch the probable products of the reaction of the cis and trans with each reagent other than AgNO3? _____ with en _____ with NH3 ____ with KSCN cis: trans: (NOTE: What are the differences between cis and trans and its formation?) 2. How
asked by Hannah 
reading
Tom has difficulty battling distractions while studying. Which of the following strategies would help him with this problem?
asked by Anonymous 
Algebra II
Help me with this question please There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7
asked by Me and I 
chemistry
If 1.50mol of oxygen gas exerts a pressure of 1500mmHg at 20∘C, what is the volume in liters?
asked by May 
math
y  4x = 8 (t chart)
asked by Jennifer 
math
Jamal invested $5000.00 in an account that earns 2.50% simple interest per annum for a term of 10 years. A.) How much interest will he earn? B.) How much will his investment be worth at the end of the term?
asked by Snorlax 
Social Studies
There are two questions: 1) Rob is riding his jetski, John steals the jetski, John gets arrested what court does he have to go to if it was a MARITIME CRIME? A) Federal Court B) District Court C) Supreme Court D) Maritime Court 2) How many judges of the
asked by Alice LAST QUESTION, PLEASE 
english
Please give me the frame sentences of 1. Magnificant 2. Victorious 3. Groan 4. Deserted 5. Strength
asked by LALY 
math
An investment earning simple interest at a rate of 1.10% per annum for a term of 5 years earned $82.50 in interest. What was the principal?
asked by Snorlax 
english
PLEASE GIVE ME THE USE IN SENTENCES OF 1. MAGNIFICANT 2. VICTORIOUS 3. GROAN 4. DESERTED 5. STRENGTH
asked by LALY 
chemistry
Determine the mole fraction of each substance in a solution containing 36.0g H2O and 46g glycerin, C3H5(OH)3
asked by chantal 
science
how does the amount of daylight in the summer compare to the amount of daylight we have in the winter?
asked by ousman deme 
Social Studies
What happened to the Roman Empire in A.D. 395? Why did Germanic groups invade the empire? What happened at the Battle of Adrianople? Who was Alaric? Who was Odoacer? Please help me I got stuck!:(
asked by Kalie 
Trig
A vertical tower is on a 12° slope. from a 50 m down the hill, the angle of elevation of the top of the tower is 30°. find the height of the tower
asked by Jeff 
Physics
The figure shows three rotating, uniform disks that are coupled by belts. One belt runs around the rims of disks A and C. Another belt runs around a central hub on disk A and the rim of disk B. The belts move smoothly without slippage on the rims and hub.
asked by Melinda 
statistics
A standardized third grade reading test, called the We Can Read Test, has a mean of 50 with a standard deviation of 10. A developmental psychologist conducts a study, where he assesses the reading ability of a random sample of 75 third graders using the We
asked by Lee 
math
Real Estate an office building purchased for $1, 200,000 is appreciating because of rising property values in the city. At the end of each year its value is 105% of its value at the end of the previous year. a. Use a recursive formula to determine what the
asked by chol 
statistics
The Good Mental Health Insurance Company has determined the number of new clients a psychologist gets per month and their respective probabilities, as shown in the table below: Number of New Clients Probability 0 0.05 1 0.10 2 0.15 3 0.35 4 0.20 5 0.10 6
asked by Lee 
English. Adverbs
Underline the adverb in the sentence He worked hard and won the contest. Should both hard and won be underlined? Thank you
asked by Mom B 
science
Find the angular and linear velocities of a man due to the rotation of the earth if he standing A) at the equator B) in Muscat(latitude23.5) C) in oslo(latitude60) Take tha radius of the earth as 6380km
asked by zb 
accounting
If Alisha Maintenance manufacturing has: total maintenance cost of $2,785,000 total fixed maintenance cost of $310,000 total variable maintenance cost of $2,475,000 total maintenance cost per unit is $18.57 fixed maintenance cost per unite of $2.07
asked by Sue 
Economics
If Alisha Maintenance manufacturing has: total maintenance cost of $2,785,000 total fixed maintenance cost of $310,000 total variable maintenance cost of $2,475,000 total maintenance cost per unit is $18.57 fixed maintenance cost per unite of $2.07
asked by Sue 
Algebra
One person can complete a task in 3 minutes. A second person can complete the same task in 5 minutes. How long will it take to complete the task of the two people work together?
asked by Anonymous 
BIOLOGY
What is an example of a human genetic problem?
asked by HELP!!!! 
math
Which of the following situations is an example of a linear function?
asked by Anonymous 
Trig
A vertical pole stands on a 20° slope from 50 m down the slope from the pole the angle of elevation of the top of the pole is 35 degrees. How tall is the pole
asked by Beth 
English
1. I didn't read Harry Potter yet. 2. I haven't read Harry Potter yet. 3. I don't know anything yet. 4. I didn't know anything yet. 5. He is not singing yet. 6. He was not singing yet. (Which ones are grammatical?)
asked by rfvv 
Math
The price of gas is 85.9 cents per Litre. If Brenda needs 48.3 L of gas to fill her gas tank, how much will she pay? Please show the steps.
asked by Anna 
u,s history
By the end of April 1975, which city fell to the North Vietnamese Army, leading to the unification of Vietnam?
asked by jay 
English
How many are there in Sonya's family? 1. There are four in her family:her father, mother, her little sister and her. 2. There are four in her family:her father, mother, her little sister and she. 3. There are four in her family:her father, mother, her
asked by rfvv 
Chemistry
What is the pH of a solution that has a concentration of hydronium ions that is 1.8 × 104 molar H3O+? Show, or explain, the work used to solve this problem.
asked by Shanetra 
Geometry
The word cosine literally means "the complement of the sine." Write a paragraph explaining how complements of sine and cosine are connected. I know that the sine and the cosine of complementary angles are the same. but how can i add more details/write a
asked by Helen 
math (Matrix) 2
if (2 1 x+2 ) (3 x4 5 ) =25 (0 1 3 ) a) find the value of x b) hence ,find (2 1 x+2 )^1 ( 3 x4 5 ) (o 1 3 ) p/s : all the value above IS COMBINE in one bracket ( )
asked by MARYSE 
math
A piece of a broken wheel is shown. It was taken to a machine shop to be replaced with a new “whole” wheel. Find the radius of the wheel if AC=10cm, BD= 3cm, and D is the midpoint of AC. Round to the nearest hundredth. (note: keep in mind this
asked by Shelly 
chemistry
What is the value of x for the following reaction if E∘=1.43V and ΔG∘ = 276kJ ? A+B^x+→A^x++B
asked by Anisha 
Language Arts  Grammar  please check answers
Identify the linking verb and the predicate nominative. 1. My partner for biology lab is Penelope. 2. Jason will be the next student council president. 3. Mrs. Furillo's favorite song is still "Night and Day." 4. Rocky Marciano was the world heavyweight
asked by Charlotte 
chemistry
There are two different oxides of copper produced as a result of this reaction. They are copper(I) and copper(II) oxide. If copper is changed to copper(I) oxide the percentage changed in mass is 12%. If copper is changed to copper(II) oxide the percentage
asked by Betty 
English
What will Sonya's family do this weekend? 1. They will plant potatoes. 2. Her family will plant potatoes. (Are both grammatical? Which answer is common?)  1. On weekends what do Sonya and her family do? 2. On weekends what do Sonya and her
asked by rfvv 
English
is it true or false External motivation is not desirable
asked by Jenny 
calculus
find average value of f [0,10] f(x)= 3/x+1
asked by NIKO 
CHEMISTRY HELP !!!!
the following statement is false. Rewrite that it makes a correct statement about free energy. a. ΔGuniverse > 0 for any spontaneous process.
asked by Patrick 
science
why does an person in space craft orbiting earth experiance a feeling of weightless?
asked by zacaby 
English
1. They didn't have green leaves yet. 2. She didn't finish her homework yet. 3. He didn't clean the room yet. 4. She didn't read the book yet. (Are all the sentences grammatical?)
asked by rfvv 
unsolved mysteries astrophysics
Q3.2 COLLAPSE TIMESCALE (5 points possible) Imagine that you live in a distant galaxy far far away. This galaxy is in a different universe, and so may have different cosmology. It seems that in this distant universe, all galaxies have the same luminosity,
asked by JuanPro 
English
1. I tried to make myself at home. 2. I tried to make myself comfortable.  Are both the same? Thank you.
asked by rfvv 
Corporate Finance
5.Capital Co. has a capital structure, based on current market values, that consists of 21 percent debt, 9 percent preferred stock, and 70 percent common stock. If the returns required by investors are 10 percent, 12 percent, and 17 percent for the debt,
asked by Stephanie 
Social Studies
1. What did you enjoy as a kid? Answer: I liked to hunt, study the art of war, and even shoot a firearm at times. Believe it or not when I was 14 I tried to sign on to a British war ship to be a powder monkey, but my mom wouldn't allow me to be part of it.
asked by Please Recheck now 
gr
Before Dark Energy could be discovered, several preconditions needed to be in place. Tick all the factors below which were necessary for the discovery of dark energy. Radio interferometers, Large telescopes such as Keck, Knowledge of the correlation
asked by JuanPro 
aeronautic
Consider a hill and a ridge as illustrated in the figure below. Both the hill and ridge have a semicircular xz crosssection of radius R, and the wind is blowing in the x direction with speed V∞. To allow sustained flight with no thermals present, a
asked by JuanPro 
college Algebra
A rectangular fence is to be built along a river using the river as one side of the fence.the cost of the fencing for the two ends is $8 per sq ft and the cost of the fencing for the side running parallel to the river is $12 per sq ft. If you have $3600 to
asked by Tom 
aeronautic
A dragonfly wing airfoil is essentially a thin plate, whose upper and lower surface velocities can be closely approximated by ue(x)V∞ = (xc)−b(upper surface) (E1.22) ue(x)V∞ = (xc)+b(lower surface) (E1.23) Use the following casesensitive typed names
asked by JuanPro 
Language Arts
Comprehension (“The Talking Skull”) When the people in the village see the man coming, they run inside their homes because 1. they are scared of him. 2. he is acting crazy. 3. he has always begged them for food. 4. they do not want to talk with him. i
asked by A.J 
mathematics for management
show that 2logx(a+b)= 2logx a+logx(1+ 2b/a + b^2/a^2)
asked by fizz 
aeronautic
A small wind tunnel is being built for studying insect flight. The first test section built has a uniform height h=0.1m and length ℓ=1m. During operation its walls are found to have boundary layers which effectively start at the inlet at x=0 (the BL
asked by JuanPro 
Grade 12 Chemistry
When 50.0 mL of 1.0 mol/L hydrochloric acid is neutralized completely by 75.0 mL of 1.0 mol/L sodium hydroxide in a coffeecup calorimeter, the temperature of the total solution changes from 20.2 to 25.6. Determine the quantity of energy transferred, q,
asked by Vanessa 
math
find the values of Y of the following equation : (8^x)^y 1/32^y = 4
asked by amy 
mathematics for management
if 5^x 25^2y = 1 and 3^5x 9^y= 1/9,find the value of x and y.
asked by fizz 
statistics
The mean score for all individuals who took the Law School Admission Test (LSAT) in 2010 was 155 and the standard deviation was 7. What is the z score for a person, who received an LSAT score of 167? a. +1.71 b. +1.64 c. +1.74 d. 1.71 What is the raw
asked by Stacey 
Language Arts  Grammar  please check answers
1. Michelle Kwan has become an inspiration to us all. 2. Is Sara the runner in the blue Tshirt? 3. I could have been a contender. 4. The winner of the spelling bee was Tracy. 5. The next speaker will be Mr. Gonzales. 6. Who was the fourteenth president of
asked by Charlotte 
Math
I need help with 12 over 25 times 10 over 14 times 7over 18 and then putting it into simplest form
asked by Morgan 
English
Posted by rfvv on Tuesday, April 15, 2014 at 10:32pm. What will Sonya's family do this weekend? 1. They will plant potatoes. 2. Her family will plant potatoes. (Are both grammatical? Which answer is common?)  1. On weekends what do Sonya
asked by rfvv 
Math
Jason Printing has $85,000 to invest. They can invest in Wilder Revenue at 10% compounded semiannually or at Cheapskate Investments at 9.8% compounded monthly. a) Calculate the two APYs and compare them to determine your answer. Make sure to distinguish
asked by Maddy 
math
how to seperat square into 8 parts
asked by Shyra Dawson 
Math
In triangle PQR,
asked by Max 
Math/Physics
John is driving at a constant speed of 20.0 m/s when he passes Jane, who is traveling in the same direction at 15.0 m/s at the moment that John passes her. If Jane is accelerating at 2.0 m/s2, how far will Jane drive before she catches up to John? How much
asked by Tyler