Questions Asked on
June 24, 2015

Physics
The speed of a projectile when it reaches its maximum height is 0.42 times its speed when it is at half its maximum height. What is the initial projection angle of the projectile?
asked by Mark 
life orientation
write your mission statement that clearly indicates your own position in engaging in service delivery protest
asked by VALETIA 
Algebra
Farmer Ed has 9,000 meters of fencing, and wants to enclose a rectangular plot that borders on a river. If Farmer Ed does not fence the side along the river, what is the largest area that can be enclosed?
asked by Janice 
physics
You have a mass of 60 kg and run up some stairs that are 5 m high in 6 seconds. How much power did you produce?
asked by abc123 
advanced algebra
A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m months and develops the equation mc0101.jpg to model the situation. Most recently, the scientist counted 138 plants. Assuming
asked by Anonymous 
algebra
Write an expression to represent: Three minus the product of two and a number x.
asked by Anonymous 
Algebra
A club currently has 300 members who pay $ 400 per month for membership dues. The club's board members want to increase monthly revenue by lowering the monthly dues in hopes of attracting new members. A market research study has shown that for each $ 1
asked by Janice 
Geometry
The base of a right prism is a rhombus with a side of 10 cm and an altitude of 9.6 cm. Find the diagonals of the prism if the altitude of the prism is 12 cm.
asked by Mark 
Business
1. Assuming you own a home, where would the appraisal value of your home go in a oersonal balance sheet? A. Under liabilities. B. Under assets. C. under both the equity and the liabilities sections Answer C 2. When you work within an organization,you're
asked by 40Patricia 
6TH GRADE MATH
Owen is fishing from a dock. He starts with the bait 2 feet below the surface of the water. He reels out the bait 19 feet then reels it back in 7 feet. what is the final position of the bait relative to the surface of the water? Write an expression to
asked by Larry 
Chemistry
You may have noticed that when water boils, you can see bubbles that rise to the surface of the water. a. What is inside these bubbles? i. air ii. hydrogen and oxygen gas iii. oxygen gas iv. water gas v. carbon dioxide gas
asked by Anonymous 
Chemistry
You have two beakers, one filled to the 100 mL mark with sugar (mass of sugar 180.0 g) and the other filled to the 100 mL mark with water (m !@#$%^& of water 100.0 g). You pour all the sugar and all the water together in a bigger beaker and stir until the
asked by Kristina 
Elementary Statistic
twentyfive percent of all death are caused by diseases of the heart Ischemic heart disease accounts for 16.4% of all death and heart failure for 2.3% choose one death at random. What is the probability that it is from ischemic heart disease given that it
asked by Angela 
algebra
write an expression to represent Four minus the product of three and a number x
asked by Anonymous 
Algebra
Jim wants to build a rectangular parking lot along a busy street but only has 1,900 feet of fencing available. If no fencing is required along the street, find the maximum area of the parking lot.
asked by Janice 
Biology
J.J. Thomson's experiments supported the existence of a particle that deflected away from a negative charge and toward a positive charge. Ernest Rutherford found that when positive particles were fired at gold foil, some of the particles deflected rather
asked by Rafa 
physics
I have no way to solve this question. help me please The drawing shows a sulfur dioxide molecule. It consists of two oxygen atoms and a sulfur atom. A sulfur atom is twice as massive as an oxygen atom. Using this information and the data provided in the
asked by Lola 
Microeconomics
taxes may cause deadweight losses because________. a. they transfer purchasing power from buyers to the government. b. they lower the surplus in the market. c. they increase consumer surplus at the expense of producer surplus d. they transfer purchasing
asked by Juan 
Physics
A 2.0 kg block of iron slides along a floor, decreasing its speed from 4.0 m/s to 1.0 m/s. a) How much work does the frictional resistance of the floor do on the block? b) If the reduction in velocity occurred over a distance of 10 m, what was the force of
asked by idnchfywek 
Science
A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure in humans. Which of the following preliminary steps should the scientist take before conducting a controlled experiment?
asked by Lil 
world history
which of these was Not a shared trait of early harappan and mesopotamian civilizations? a. brickwalled cities b. cuneiform c. raised citadels d. origins along a major river my answer is A
asked by siulanis perez 
English
To what people does John Winthrop compare the Puritans in "A Model of Christian Charity"? the ancient Egyptians the ancient Romans the ancient Israelites the ancient Babylonians
asked by Sara 
Chemistry
PCl5 is introduced into an evacuated chamber and comes to equilibrium (see Problem 16.37), at 250◦C and 2.00 atm. The equilibrium gas contains 40.7% Cl2 by volume. (a1) What are the partial pressures of the gaseous components at equilibrium? (a2) From
asked by Joe johnson 
Math
log2√36  log2√72 I am not sure how to do this question. I need an explanation.
asked by Anonymous 
algebra
Write an expression to represent Five minus the product of three and a number x
asked by Anonymous 
intro to psychology
Which one of the following statements about the Human Genome Project is not true? A. Researchers have identified almost all 3 billion units of DNA. B. Locating a gene is the first step to understanding how it works. C. Most human traits are affected by
asked by elly 
Chemistry
Enter the symbol of a sodium ion, \rm Na^+, followed by the formula of a sulfate ion, \rm SO_4{}^{2}
asked by Zulema 
statistics
Jesse took two data points from the weight and feed cost data set and calculated a slope, or average rate of change. A rat weighs 3.5 pounds and costs $4.50 per week to feed, while a Beagle weighs 30 pounds and costs $9.20 per week to feed. Using weight as
asked by cat 
Health care
Write a 700 to 1,050word paper on health care communication. Answer the following questions in your paper: • How does effective communication incorporate the basic elements of communication? • How do the basic elements of effective communication
asked by Jimmy 
Math
The area of a rectangular prism's base is 25 square inches and its height is 10 inches. Find the volume of this rectangular prism.
asked by Anonymous 
intro to psychology
Which one of the following statements about heritability is true? A. Heritability estimates indicate whether an attribute was inherited or acquired. B. Highly heritable traits, like height, will always be inherited, regardless of environmental factors. C.
asked by elly 
Physics
a 1.92 kg ball is connected by means of two massless strings, each of length L = 1.69 m, to a vertical, rotating rod. The strings are tied to the rod with separation d = 1.69 m and are taut. The tension in the upper string is 51.0 N. What are (a) the
asked by Jeus 
science
Why is an incandescent bulb hot to touch when it has been switched on for a while?
asked by shrutika 
world history
which of these was an innovation that accompanied the advent of framing? a.herding b .normadism c. hunting d. the use of metals my answer D
asked by siulanis perez 
world history
which of the following statements does not accurately characterize the neanderthals? a. they were first discovered in Germany b.they are ancenstor to Homo Sapiens c. they have larger brains thtat other hominids. d. they are believed to have lived 200,000
asked by siulanis perez 
Physics
A 50kg sign for a local business is hung from a bar which meets a wall at right angles as shown in figure 1. The bar is 1.5 meters long, and it's mass may be neglected. The center of mass of th sign is 1.0 meters from the wall (but .50 meters from the tip
asked by David 
business math115
Mary base pay rate is $11.50 per hour, with overtime paid at timeandahalf. Find her gross pay if she worked 35.5 hours Monday through Saturday. Round to the nearest cent.
asked by keosha 
chemistry
How to distinguish between an acid and an alkali. DO not use indicators
asked by Clive 
business math115
Brianna's monthly salary is $8,400. What would be her equivalent semimonthly salary. (Round to the nearest cent)
asked by keosha 
business math115
Chong base pay rate is $13.50 per hour, with overtime paid at timeandahalf and double time for holidays. Find her gross if she worked 9 holidays hours in addition to 40.5 hours Monday through Saturday. round to the nearest cent.
asked by keosha 
business math115
linda base pay rate is $21 per hour, with overtime paid at timeandahalf. Find her gross pay if she worked 45 hours Monday through Saturday. round to the nearest cent.
asked by keosha 
crane international academy
A stone is 24M high.a stone is projected upward from the tower with an initial velocity of 24,5m/s. calculate how long it would take for the stone to reach the ground at the foot of the tower.
asked by maimela Agnes 
science
A force of 16.0 newtons is sufficient to set a box that is at rest into motion. If the coefficient of static friction is 0.380, what is the normal force acting on the box?
asked by kevin 
psychology
Which one of the following statements about heritability is true? A. Heritability estimates indicate whether an attribute was inherited or acquired. B. Highly heritable traits, like height, will always be inherited, regardless of environmental factors. C.
asked by elly 
Chemistry
Determine the molar solubility of Y for XY2 if Ksp is 2.2x10^4 The answer is 0.038, but I'm not sure how
asked by Sara 
physics
a ball is projected horizontally with speed u from a tower. 4 seconds after the throw it's velocity is at 45¡ã with horizontal. How long after projection, the velocity is at 37¡ã with horizontal?
asked by SR 
Math
If 1,000 gumballs cost $20, how much would ten gumballs cost? I got $5 I just want to make sure if it is correct.
asked by Gumball Problems 
math
A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a formula for the minimum angle at which the ladder will not slip if a man reach the top of the ladder.
asked by vidya 
Math
A coffee can has a volume of 137.375 cubic inches and a height of 7 inches. Find the circumference of this coffee can.
asked by Anonymous 
algebra
Write an expression to represent: Seven more than the product of one and a number x.
asked by Anonymous 
math
A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a formula for the minimum angle at which the ladder will not slip if a man reach the top of the ladder.
asked by vidya 
Chemistry
How energy is needed to vaporize 100 g of ethanol from its boiling point?
asked by Joseph 
physics
7. An airplane has a gun that fires bullets straight ahead at the speed of 600 miles per hour when tested on the ground while the plane is stationary. The plane takes off and flies east at 600 miles per hour. Explain whether each of the following is
asked by allexelle 
business math115
Brian weekly salary is $1,811.54. What would be his equivalent monthly salary. (Round to the nearest cent)
asked by keosha 
Algebra
For what real values of a is x^2 + ax + 25 the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.
asked by XXX 
Physics
The ride drops riders from the top of a tall tower and let's them free fall for a short time before bringing them to a stop. For the riders' safety, you must make sure the riders do not experience an acceleration greate than 2g. Assume the riders have a
asked by Rolf 
Math
Which is the best way to obtain a random sample when surveying a high school with 800 students about what to serve in the cafeteria. A.Only ask the 11th grade class. B.Draw a list of 50 students from a bowl with every student's name in it. C.Ask everyone
asked by Anonymous 
statistics
Using the regression equation ŷ = .3 + .12x, the predicted weekly food cost for a hedgehog weighing 1.3 pounds is __________.
asked by cat 
maths
2.38x3.901/4.83
asked by abhishek 
Physics
A 45 kg cart is pushed up a ramp a length of 5.8 m from rest, attaining a speed of 2.6 m/s at the top of the ramp, which is 1.7 m high. The coefficient of friction between the cart and the ramp is 0.13. a) Determine the work done against: 1) gravity 2)
asked by jdemxkslwid 
Biology ( Ms.Sue help)
Which one of the following is a trans fatty acid found in most snack foods? A. Stearic acid B. Carboxyl acid C. Oleic acid D. Elaidic acid I've been trying to find this answer all day and I have no idea.
asked by Brooklyn 
Math
I don't understand how log2 √(1/2) turned into log2 2^(1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A  logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so
asked by Anonymous 
intro to psychology
Which one of the following statements about heritability is true?
asked by elly 
intro to psychology
Those who question evolutionary theorists’ ideas about human mating practices believe that evolution may have instilled in us the tendency to select a mate based on:
asked by elly 
maths
if the product of 2 rational no. is 25/42 and one of them is 20/7 find the othr
asked by dev 
English
1. Is there a big market around here? 1. Yes, there's one near here. 2. Yes, there's a big one near here. ============= Q1: Are both answere grammatical? Which one is commonly used? Q2: Does 'one' in #1 mean 'a market' or 'a big market'?
asked by rfvv 
Math
I don't understand how log2 √(1/2) turned into log2 2^(1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A  logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so
asked by Anonymous 
chimistry
The molar heat of fusion of lead (Pb) is 1.140 kcal/mol. How much heat must be added to 97.0 g of solid lead at its melting point in order for it to completely melt? A 1.44 kJ B 10.18 kJ C 12.48 kJ D 25.04 kJ
asked by joey 
algebra
Writing expressions with variables Five less than the product of four and a number x.
asked by Anonymous 
Chemistry
A solution contains 0.284 M sodium nitrite and 0.257 M nitrous acid. What is the pH of the solution?
asked by Glenna 
Math
Dan's weekly salary is $70 less than Jerry's, whose salary is $50 more than Sally's. If Sally earns $280 per week, how much does Dan earn per week?
asked by Weekly Salary 
Biology
20. Which of these is the smallest structure? A. Dipeptide B. Polypeptide C. Protein D. Amino acid
asked by Brooklyn 
physics
If a freely falling rock were equipped with a speedometer, by how much would its speed readings increase with each second IF it were on a planet where g = 20 m/s2? Show all work leading to your answer.
asked by allexelle 
English
Underline each verb phrase. Write the main and helping verbs on the line. 1.You may know about the job of the ghostwriter. main:__ Helping:__ 2.Ghostwriters do not haunt anyone. Main:__ Helping:__
asked by Zero 
Chemistry
My question is I need to change to symbol on sodium ion, \rm Na^+, followed by the formula of a sulfate ion, \rm SO_4{}^{2} Its my first time in chemistry class.
asked by Zulema 
English
Why was Memorial Day originally called Decoration Day? It was a better name for the holiday than Memorial Day. People used to make decorations on that day, but they no longer do. People decorated soldiers' graves with flowers on that day. Decoration is a
asked by Sara 
business math115
Christina has a job making diskettes. Last week she made a total of 4720. Calcute her gross.
asked by keosha 
business math115
Coastal Advertising has a staff of sales people like linda, Who is paid monthly salary of $1,050 plus a straight commission of 4.4% on all sales over 8,500. If she sells 9,300 what is her total gross pay for the month.
asked by keosha 
intro to psychology
Within groups, differences in intelligence are highly correlated with __________. Between groups, differences are highly correlated with __________.
asked by elly 
intro to psychology
Which one of the following statements about heritability is true? Im sure that not B
asked by elly 
Math
I don't understand how log2 √(1/2) turned into log2 2^(1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A  logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so
asked by Anonymous 
dav public
In tringle abc ab=6cm,angle B=90 find ac,bc and angleA
asked by Dishaa 
Math
A teacher is collecting data about students. Which of the following is a random sample. A.Students known by the teacher B.Students not known by the teacher C.Students using the library at lunch D.None of the answers are correct
asked by Anonymous 
statistics
Jesse put the heartbeat and lifespan data into a statistical software program and found the coefficient of determination to be 64%. The value of the correlation coefficient is __________.
asked by cat 
world historia
Ancient india differed from ancient china, persia,and roma in that india: a. was more religious b.never amassed a large army c. was unable to build a long lasing empire d. was more philosophical and less concerne with goverment. my answer C
asked by siulanis perez 
physic pls help
Cleo and Clare are looking from their balcony to a swimming pool below that is located 15 m horizontally from the bottom of their building. They estimate the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in
asked by allexelle 
grammar
Which one has the correct pronoun? The team of reporters stunned their audience when the results of the election were revealed. The team of reporters stunned its audience when the results of the election were revealed.
asked by tony 
grammar
Which is the correct answer? I think it is A, but would like a second opinion. It was not _____ who left the door unlocked this morning. A. I B. me C. myself
asked by tony 
business math115
Cindy Watson, a selfemployed freelance writer, had total gross earnings of $61,800.00 last year. What was the amount of social security and Medicare taxes that Cindy was required to send the IRS each quarter?
asked by keodhs 
intro to psychology
Genetics and what we inherit from our biological parents play a significant role in our intelligence level. In fact, researchers have found that:
asked by elly 
intro to psychology
A wealthy, married man in China is having an affair with a beautiful young woman who seems primarily attracted to his financial status. At the same time, similar situations are occurring across other races and nations. Sociobiologists would say that this
asked by elly 
intro to psychology
Regarding differences between the sexes, both evolutionary psychologists and sociobiologists agree that women are more __________ than men.
asked by elly 
intro to psychology
One way to explain why gene frequencies change is that individuals with traits that are adaptive in an environment will stay alive to reproduce. Over generations their genes will become more common. This process describes:
asked by elly 
intro to psychology
According to linguist Noam Chomsky, the sentences “Lee gave the ball to Lynne” and “Lynne received the ball from Lee,” both have the same:
asked by elly 
intro to psychology
Which one of the following statements about the Human Genome Project is not true?
asked by elly 
English
what is a minor transtion of a text?
asked by Jana 
Nursing
My current overall average is a 76%. Another grade of 67 needs to be added in. That grade is worth 10%. What will my final average be?
asked by Elaina 
Computer Architecture/Assembly Question  Amdahl's
Can someone show me how to solve this problem? For a program that is 70% parallelizable, what will be the speedup relative to a uniprocessor from running it on a 4,8, and 16 way multiprocessor assuming perfect load balancing. Thanks!
asked by Fred 
Psychology
I understand the difference of primary and secondary psychopaths, but I am looking for examples of both. Thank You, Deshae
asked by Deshae 
Physics
if the distance and height of a track increase, does the car's accepted velocity and acceleration increase?
asked by Tayla 
Physics
For centripetal acceleration, if the radius increases, does that mean the angle is decreasing?
asked by Emily 
Math
e^(xy)=x+C where y(2)=2 so I found C=3? y=_____________ so I thought it would be y=ln(x+3)x but that is wrong please help!
asked by Joe 
Math
4xe^((4xy+3))=e^(2) y=________ I have tried multiple times and cant get it. Please help
asked by Joe 
English
Everything will be 20 % off. So, don't miss your great chances for great prices. ============================ What does 'for great prices' modify? Does it modify 'chances' or 'miss'?
asked by rfvv 
intro to psychology
Regarding differences between the sexes, both evolutionary psychologists and sociobiologists agree that women are more __________ than men.
asked by elly 
algebra
Writing expressions with variables One more than the product of three and a number x
asked by Anonymous 
algebra
Ten less than the product of three and a number x. my answer is 103x
asked by Anonymous 
Physics  Equalibrium
Three Fixed pulleys with a common center have the following radi of Ra=16cm, Rb=24cm and Rc=36cm with the applied forces
asked by Nathan 
Microeconomics
A ban on imported avocadoes will result in_______ a. an increase in the total surplus because domestic production will increase. b. no change in total surplus because the reduction in consumer surplus will offset the increase in producer surplus c. a
asked by Juan