Questions Asked on
February 17, 2014

Grade 12 Math Please help!!
Please can anyone answer this which I have posted previously? Anyone with knowledge of this area of maths? Thanks in anticipation. :) Formula given: The decibel (dB) scale for measuring loudness, d, is given by the formula d = 10 log base ten(I X 12 to the
asked by Donna 
biology
what is hypertonic and how does it happen
asked by mohammed 
Algebra
$730 at 5.5% compounded quarterly for 6 years
asked by Tara 
Physics
A 55 kg box is pulled with constant speed across the floor with a rope that is at an angle of 40 degrees above the horizontal. If the tension in the rope is 125n what is the coefficient of friction between the box and the floor?
asked by Brenda 
Socials
Temperature decreases approximately 1degree Celsius for each 150 metres increase in altitude. 1. The temp at sea level is 25 degree Celsius A.) what will the temp be 1200m up the mountain? B.) what will it be at the top? (2250m) 2. The temp at the top of
asked by Roma 
Please Help with 2 Physics Problems???
1) In a twodimensional tugofwar, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the picture. The tire remains stationary in spite of the three pulls. Alex pulls with force FA of magnitude 207 N, and Charles pulls
asked by Tyler 
Chemistry
write a sentence for the following reaction PCl5(s)=PCl3(s)+Cl2(g)
asked by Janile 
math
How business mathematics can help you in making decision about investment in a business.
asked by fatima 
English
What is a scan
asked by Germina 
engineering
. A platform with boat weighs 10,000 N. Four cables are attached to the platform as shown; the edges of the platform are always a horizontal distance of 2 m from the pulleys. As the platform rises smoothly and evenly, the length L of the cables decreases
asked by JJ 
Trig
A straight road slopes upward 14 degrees from the horizontal. A vertical telephone pole beside the road casts a shadow of 60 feet down the road. if the angle of elevation of the sun is 55 degrees, what is the height of the telephone pole?
asked by Keserie 
math
The dining room at Monticello, Thomas Jefferson's home in Virginia is 216 inches by 222 inches. Of the following , which size rug would be similar in shape to the dining room?
asked by Anonymous 
physics
1 An object is thrown upward from the edge of a tall building with a velocity of 10 m/s. Where will the object be 3 s after it is thrown? Take g=10ms−2 15 m above the top of the building 30 m below the top of the building 15 m below the top of the
asked by james 
help
how to post a link with jksha knowing ?
asked by Mary 
Math
If an observer stands at a certain point in the same horizontal plane as the base of a radio tower. the angle of elevation of the top of the tower is 13deg 15'. If the observer moves 156.25 feet towards the tower, the angle of elevation is 18deg 10'. Find
asked by McKenna Louise 
Math
Points M and N are separated by an obstacle. In order to find the distance between them, a third point P is slected which is 120 yards from M and 150 yeards from N. The angle MPN is measured to be 80deg10'. Find the distance from M to N.
asked by McKenna Louise 
geometry circles equation i dont know
please he lp Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 this is my first timein this website please help me need it badly my teacher will be angry at me so much
asked by Mary 
Math
Lighthouse B is 7 miles west sof lighthouse A. A boat leaves A and sails 15 miles. At this time, it is sighted from B. If the bearing of the boat from B is N62degE, how far from B is the boat?
asked by McKenna Louise 
speech
I have to do an explanatory speech. i have to choose a discovery or innovation that people know the general idea about but don't know anything beyond that. does anyone have any ideas? Just as an example of the type of speech im looking for you could do :
asked by sara 
Calculus
integral(8&4) y dy/(y^22y3)
asked by Anonymous 
Math
Elimination X+2y=5 3x+6y=15
asked by Taylor 
Grammar Answer Check
Identify the underlinded conjunctions in the following excerpts from "The Interlp[ers" as "coordinating," "correlative," or "subordinating." 1. ...a man stood one winter night watching _and_ listening, _as though_ he waited for some beast of the woods to
asked by Anonymous 
Editorial (Writeacher)
Thank you, Writeacher, for responding to my post. I truly appreciate your it. However, do you think the editorial that I have written requires any other improvements?
asked by Anonymous 
Geometry Circles Equation
Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 I beg you
asked by Mary 
Math
When solving a system algebraically how can you tell if there is no solution
asked by Taylor 
Math
When solving a system algebrically how can you tell if solution is the equation of the line
asked by Taylor 
Story problem
The difference of two complementary angles is 18. What is the measure if the two angles
asked by Taylor 
Story problem
The perimeter of a rectangle garden is 104 ft. The length of the garden is 8 less than twice the width. What are the dimensions of the garden.
asked by Taylor 
GEOMETRY CIRCLES EQUATION
Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10
asked by Mary 
Someone please check my Statistic
A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the game and missed 3 of them. The fans booed. What is the probability of her missing 3 (or more) free throws out of 5? Set up and
asked by BOWERSHE 
stats
A researcher conducted an experiment on the effects of a new “drug” on depression. The researcher had a control group that received nothing, a placebo group and an experimental group that received the “drug”. A depression inventory that provided a
asked by brandi 
Story problem heellp
The difference of two complementary angles is 18. What is the measure if the two angles Hint complementary angles sum to 90 degrees
asked by Taylor 
Science
Which of the following describes how matter moves between producers, consumers, and decomposers in an ecosystem A) Oneway flow from producers to consumers to decomposers B) Oneway flow from decomposers to consumers to producers C) Cyclic flow from
asked by Nicole M 
English
In which of the following sentences is the underlined word a past participle?
asked by Carmen 
U.S History  Pls check my answer, tks :)
Document A  President Jackson’s First Annual Message to Congress (December 7, 1829: Our conduct toward the Indians is deeply interesting to our national character. Surrounded by the whites with their arts of civilization the whites have destroyed the
asked by Cassidy 
math
Tim works parttime at a retail store. His salary varies directly by the number of hours worked. Last week he earned $99.45 for 13 hours of work. This week he earned $160.65.
asked by Anonymous 
logic
In a soccer tournament between four teams A,B,C,D wich was free for all the scores were A 4 points B 4 points C 3 points D 1 point In this tournament the winner gets 2 points, the draw 1 point the looser 0. It is known that each team has a goal so. 1 The
asked by Jhon 
Math
Perimeter of rectangle = 2*l+b. Area = l*b. If l = 1m, b = 55cm. Find area and perimeter
asked by SAM 
logic
100 days after a sunday will be a day a Sunday b Tuesday c thursday d monday
asked by Jhon 
math
if the selling price of 16 water bottels is equal to the cost price of 17 water bottels ,find the gain per cent earned by the dealer.
asked by ekta 
math
the cost price of 12 candles is equal to the selling price of 15 candles. find the loss per cent
asked by ekta 
math
by selling 125 cassettes, a man gains an amount equal to the selling price of 5 cassettes. find the gain per cent
asked by ekta 
math
oranges are bought at 6 for rs10 and sold at 4 for rs 9. find the gain or loss per cent.
asked by ekta 
Physics
A golfer, standing on a fairway, hits a shot to a green that is elevated 5.50 m above the point where she is standing. If the ball leaves her club with a velocity of 46.0 m/s at an angle 0f 35.0º above the ground, find the time that the ball is in the air
asked by Jacob 
English
someone who is disgruntled likely feels 1 optimistic 2 generous 3 depressed 4 irritated my answer is D
asked by Steve 
Physical Science
Which has characteristics similar to a scientific model? A. a toy train B. a deepsea submersible C. a planetary rover D. the Brooklyn Bridge
asked by dark1 
logic
a survey of three marks of soda has of 100 people 83 drinks at least 1 of 3 marks 54 just drink 1 19 drinks 2 of 3 between the people the % that drink the 3 are a 15% b 12% c 10% d 24%
asked by Jhon 
logic
CLaudia has 4 task to do go to the market, study, clean , sport it is known  go to the market if study  study if she does not clean  if she does not clean then she goes to the market a 15% b 12% c 10% d 24%
asked by Jhon 
logic
a team of Andres Bruno carlos Daniel and Esteban participated in a tennis doubles tournament so two of one team play against other two It is known that Andres participated in a game Bruno in 2 carlos in 2 Daniel in 3 and Esteban in 4 then the amount of
asked by Jhon 
Story problem help Damon
Stan bought 3 boxes of fruit loops and 2 boxes of kix for $15.05. One box of fruit loops cost $0.60 more than one box of kix. How much does one box of each type of cereal cost
asked by Taylor 
Physical Science
No system is completely closed off from its surroundings. Which represents a system that is almost completely closed? A. a capped soda bottle B. a woodburning fireplace C. a washing machine D. a pot of boiling water I believe it is A.
asked by dark1 
Calculus, Surface Area
An open rectangular box (no top) has a square base with side 10 cm and height 16 cm. The surface area is:
asked by Anonymous 
Calculus, Surface Area Pt.2
The base costs 0.9 cents/square cm, the front costs 0.8 cents/square cm and the sides and back cost 1.3 cents/square cm. The cost of the material to make the box is : Cost = ?
asked by Anonymous 
Calculus, Surface Area Pt.2
The base costs 0.9 cents/square cm, the front costs 0.8 cents/square cm and the sides and back cost 1.3 cents/square cm. The cost of the material to make the box is : Cost = ?
asked by Anonymous 
Physics
four similar cars having same mass are running at the same speed on the same speed and when breaks are applied at the same time the cars cover distance of 5m, 5.5m, 4.8 and 5.2 m. In which car the friction between the brake pads and disc is maximum
asked by Sandhya Rajesh 
Math 5th grade
Look for a pattern. Have a rectangle with number 10, 16 and 23 in the corners.the circle in side with 9, 12 and 24. Place the numbers from 8 to 26 either inside or outside the circle according to the pattern shown. Please help!!!
asked by Tien 
Algebra
The cost of producing cell phones is represented as C=mx+b, where m is the marginal cost, x is the number of phones produced, b is the fixed cost, and C is the final cost. a. If the fixed cost is $75 and the marginal cost is $8, write the cost equation. b.
asked by KevinJ 
Story problem
A group of 52 people attendance ball game. There are three times as many children as adults in the group. Write a system of equations that you can use to solve this problem where a is the number amd C is the number of children in the group. How many
asked by Taylor 
Math
If 1600 square centimeters of metal is available to make a box with a square base and an open top, find the largest possible volume of the box. Volume = ?
asked by Anonymous 
Problem solving
A rental car agency charges $15 per day plus $.11 per mile to rent a certain car. Another agency charges $18 per day plus 8 cents per mile to rent the same car. If they rent the car for one day how many miles will they have to be driven for the cost of a
asked by Taylor 
MATH
A landowner wants to fence in a rectangular area of 75000 square metres and divide it into three parts with two parallel fences both parallel to one side of the rectangle. Each part will have a different grazing crop for the herds. What is the shortest
asked by Rob 
Mathematics
An rectangular area of 25 square meters, around an ancient historical site, is to be fenced to protect the artifacts. The sides with length x cost $ 34/ m and the other two sides cost $ 26 /m. a. Write an expression for the cost as a function of x. C(x) =
asked by Sarah 
Problem solving
A group of 52 people attendance ball game. There are three times as many children as adults in the group. Write a system of equations that you can use to solve this problem where a is the number amd C is the number of children in the group. How many
asked by Taylor 
Problem solving
A rental car agency charges $15 per day plus $.11 per mile to rent a certain car. Another agency charges $18 per day plus 8 cents per mile to rent the same car. If they rent the car for one day how many miles will they have to be driven for the cost of a
asked by Taylor 
Math
Consider the function f(x) = 2 x^3 + 36 x^2  162 x + 2. There are two critical points, A and B where A < B: A = and B = f''(A)= f''(B)= Therefore f(x) has a relative at A (MAX or MIN) and a relative at B (MAX or MIN).
asked by Andrew 
Math
An open rectangular tank (no top) with volume 11 cubic meters has a square base. The base has side x m. Write an equation for the surface area of the tank as a function of the length x. Surface Area = ? b. The base costs 1.1 cents/square m and the sides
asked by Andrew 
math
In New York a taxi costs 72 cents for the first 1/10th of a mile and 15 cents for every additional 1/10 mile. How much does it cost to drive 6 miles? Set up and solve? Thanks
asked by ava 
algebra
The cost for an electrician is $135 for 3 hours. A 7 hour repair costs $315. Showing your calculations, determine the price of a 12 hour repair.
asked by Anonymous 
Math problem
The modern grocery has cashews that sell for $4.00 a pound and peanuts that sell for 2.50 a pound. How much of each must Albert the grocer mixed to get 60 pounds of mixture that he can sell for three dollars per pound? Express the problem as a system of
asked by Taylor 
Math
A rental car agency charges $15 per day plus $.11 per mile to rent a certain car. Another agency charges $18 per day plus 8 cents per mile to rent the same car. If they rent the car for one day how many miles will they have to be driven for the cost of a
asked by Taylor 
Math : Probability
When tossing 4 coins,what is the chance of getting exactly 2 heads? When tossing 4 coins, what is the chance of getting at least 2 heads?
asked by Anonymous 
Helpppppp
The modern grocery has cashews that sell for $4.00 a pound and peanuts that sell for 2.50 a pound. How much of each must Albert the grocer mixed to get 60 pounds of mixture that he can sell for three dollars per pound? Express the problem as a system of
asked by Taylor 
math
A manufacturer produces a 4cup and 8cup coffee maker. The 4cup maker takes 6 hours to produce and the 8cup takes 9 hours. The manufacturer has at most 500 hours of labor per week. a. Write an inequality to represent the number of each type of coffee
asked by bob 
Last math problem help
Mr. Jarvis invested a total of 10,437 in two savings accounts. One account earns 8% simple interest per year and the other earns 9% simple interest per year. Last year the two investments earned a total of $849.52 in interest. Write a syste of equations to
asked by Taylor 
Computers
What does the program 7Zip do for the files on your computer? A. It provides security for your computer when you're not using it. B. It closes Windows when you're working in other programs. C. It helps you move quickly through a variety of Internet tasks.
asked by Lilly 
Phsical Science
Which one is the best explanation of energy? A. making transformations B. the ability to do work C. conservation of power D. measuring joules I think it is B.
asked by dark1 
chemistry
I am stuck on this one and was wondering if anyone can help me out! Why does sodium nitrate (166.5) have a bigger molar entropy than sodium bromide (86.8)? Thanks!
asked by devon 
college chemistry
The solubility of Ar in water at 321.9 torr is 0.02538 g/L. What is Henry's Law constant (M/atm) for Ar in water?
asked by hershi 
Physical Science
What form of energy provides power for a gas stove? That's Chemical Energy, right?
asked by dark1 
Physics
A container contains 15 liters af water at 96 celsius. A 1 kg of ice cube at 20 celsius is dropped into the water. No heat is lost to the surroundings. What will the final mixing temperature be?
asked by Thermodynamics 
Polyhedren Question, pls help asap!!!!!
ok, i really don't know this one and i cant post the pic of the triangle, so im gonna go to extremes here if u want to find the pic. I think it is a triangular prism though... 1. What is the shape of the bases for the following polyhedron? (triangle prism,
asked by TTR+S<3 
Math 5th grade
Sorry for repost. Damon answered but I do not see any relate between number.The question is: Look for a pattern. Have a rectangle with number 10, 16 and 23 in the corners.The circle inside rectangle with 9, 12 and 24 inside circle. Place the numbers from
asked by Tien 
Ap chemBases
Calculate the pH of a 0.2M solution of Triethylamine, (C2H5)3N, with a Kb of 4.0x10^4
asked by Jessica 
algebra
If Jackson drops a ball from a building at the height of 80 meters. What is the height of the ball to the nearest tenth of a meter exactly 3 seconds after he drops the ball.
asked by Kathy 
ART/101
Hello I am having a bit of trouble with my DQ for this week and I was wondering if anybody could help me? The DQ for this week is: This week we are looking at symbolism and given the example of a Treaty signing. Tell me what you think about the entire
asked by Kala 
English
Can you check if there's grammar mistakes in this monologue, if there is, can you correct it for me. Hi, I'm William Shakespeare. I had disappeared from the records for seven years. Many rumors flew around, including that I liked to poach. They say I had
asked by Tommy 
chemistry
how many moles of vapor can be produced for 52 g of O2
asked by mary 
Calculus II
show that; given any three noncollinear points (x1,y1), (x2,y2), (x3,y3) there is a parabola p(x)=Ax^2+ Bx + c , containing the three points.
asked by Chelsea 
Science
Which statement best describes the composition of magma?
asked by James 
Physics
A ball is thrown upward in two dimensions with an initial speed of 17 Zlugs per mega handle(made up) near the surface of the planet earth. What will be the y component of the balls velocity at the peak of its trajectory?
asked by Michelle 
Physics
A cannon shoots a cannonball with an initial speed of 25 m/s at an angle 13. 1. What is the x component of the cannonballs initial velocity Vox? 2. What is the y component of the cannonballs initial velocity Voy? 3. What will be Vy, the y component of the
asked by Michelle 
Physics
A cannon fires a free projectile at an angle 85 from the ground. The cannonball has a speed of 150 m/s and it is launched from a hill 20 m above the plain where it will land 1. What is the x component of the cannonballs initial velocity 2. What is the y
asked by Michelle 
Physics
Some insects can walk below a thin rod (such as a twig) by hanging from it. Suppose that such an insect has mass m and hangs from a horizontal rod as shown in the figure, with angle θ = 37°. Its six legs are all under the same tension, and the leg
asked by Robin 
Marketing
How would various company objectives affect the development of a marketing mix for a new type of internet browser software? If this company were just being formed by a former programmer with limited financial resources, list the objectives the programmer
asked by Janet 
Marketing
Explain how a firm's objectives may affect its search for opportunities.
asked by Janet 
world history
Which technologies have been pivotal in the development of the Information Age? To what extent did the industrial revolution create the foundation for modern technologies?
asked by Amber 
Finance
Templeton Extended Care Facilities Inc, is considering the acauision of a chain of cemeteries for $450 million. Since the primary asset of the business is real estate, Templeton management has determined that they will be able to borrow the majority of the
asked by Daphne 
Life.science
In the moss, the sporophyte is sometimes referred to as a 'semiparasite'. Explain why this is so.
asked by Lesego 
Physics
You are going to toss a rock straight up into the air by placing it on the palm of your hand(you are not gripping it) then pushing your hand up very rapidly. Draw a free body a diagram for the rock for each situation, and write the sum of equation based on
asked by George 
Math
What is 3.0801^9? I have done it on a calculator and I got 24950.7354056, but I have seen other things about it, and those things say 24948.5693. Which is the correct answer. I really do not know, but considering the answer that I got on the calculator, I
asked by Brady 
physics
a rope breaks when the tension exceeds 30.0n. what is the minimum acceleration downard that a 60.0n load can have without breaking the rope
asked by Anonymous 
Ethics
1. If you were to argue that although a person with an IQ of 60 cannot be a worldrenowned physicist, she or he still has the freedom to choose within limits of what is physically, psychologically, and socially possible, you would be presenting which of
asked by Any 
Math
A rectangular garden is surrounded by a roll of chicken wire fencing to keep out the rabbits. The dimensions of the garden are 2.6 m by 5.1 m. The area enclosed by the fence is ______ square metres. The length of the fence is ____ m. The following year the
asked by Imran 
science
How can atoms of two elements that have a different number of protons have the same charge? A.by also having a different number of neutrons B.by also having a different number of electrons C.by having the same mass number D.by being the same size atoms
asked by victoria 
chemistry
Except for rubidium and caesium,___
asked by izekor 
Ethics
1. Modernday determinism tends to be based in: A. religious teachings. B. science. C. the idea of predestination. D. intentionalism. is it B 2. Which of the following is theorized to play an important role in imitative behavior and our capacity to relate
asked by Any 
science
Which statement best describes the inertia of an object? A.Inertia is the tendency of an object to resist a change in its motion. B.Inertia is the weight of an object. C.Inertia is what determines how fast an object will fall. D.Inertia measures how hard
asked by victoria 
science
For which surfaces will fricion be greatest when a block of wood slides across it
asked by MARRY 
science
Which experiment would most directly reveal the inertia of an object? A.weighing a bottle on a digital scale B.moving a soda can back and forth to determine whether it is empty C.dropping a ball of paper and measuring how fast it falls D.throwing a ball to
asked by victoria 
Math
2x√3x*2√x i was wondering how to simplify this
asked by Q 
Geometry
If a cylinder’s radius and height are each shrunk down to a third of the original size, what would be the formula to find the modified surface area?
asked by anon 
science
WHICH OBJECT WILL REQUIRE THE MOST FORCE TO TOSS IT 2 METERS
asked by MARRY 
Title
Hi I need help thinking of a title for my graphic novel. It is about India and its exploitation of children. Could someone help me think of a cool title and an idea to make the title look unusual. Like maybe a bleed or something. Thanks!!
asked by Serena 
Math
2x(√3x^2)*2√x how would you simplify this?
asked by Q 
english
Can someone please help me make an imitation sentence for the following 2 sentences? 1.) The little shack, the rattling, rotting barn was graybitten with sea salt, beaten by the damp wind until they had taken on the color of the granite hills. 2.)The
asked by Taylor 
Physics
A 2473 kg elephant is walking at 3 m/s on a flat surface. How much kinetic energy does he have? Answer in Joules or J
asked by Help 
Ethics
1. If we eliminate free will completely, we would also be eliminating: A. the possibility of genetic bases for human behavior. B. the value of modern science. C. moral responsibility. D. excuses for criminal conduct. is it C 2.
asked by Any 
science
WHICH BLOCK WILL HAVE THE GREATEST CHANGE IN MOTION
asked by MARRY 
first aid
Two teams of nine members each engage in a tug of war. The first team's members have average masses of 69 kg and exert average forces of 1350 N horizontally. The second team's members have average masses of 74 kg and exert average forces of 1356 N
asked by Anonymous 
science
WHICH BLOCK WILL HAVE THE GREATEST CHANGE IN MOTION. A RED B BLUE C GREEN D YELLOW
asked by MARRY 
science
How do two isotopes of the same element compare with each other? A.They have the same number of protons but a different number of electrons. B.They have the same mass number but a different number of protons. C.They have the same mass number but a
asked by victoria 
Physical Science
In what direction does heat flow? Why do particles of matter transfer thermal energy in this direction?
asked by Alex 
science
A person who weighs 600 newtons on Earth would weigh only 100 newtons on the Moon. Which statement best explains why? A.The circumference of Earth is larger than that of the Moon. B.The density of Earth is greater than that of the Moon. C.The mass of Earth
asked by victoria 
Math
I need 2 quartic+ functions that have a complez zero.
asked by Lett 
Math
What is 62.8759 divided by 1.4? Please help! I will appreciate it if you will help. Thank you if any of you help.
asked by Brady 
science
TOSS EACH OBJECT A DISTANCE OF 2 METERS.A)METAL WASHER 1.5 B)PLASTIC DISK 34 C)ROCKS 16 D)WOODEN BLOCK 22. WHICH ONE IS CORRECT
asked by MARRY 
Calculus II  Simpson's Rule
Find the Error resulted from approximation by Simpson's Rule: integral (from 0 to 1) sqrt( 1+x^3) dx ... compute the result for n=8
asked by Chelsea 
Calculus
I need help finding the derivative of √3x/(x^24) at x=3
asked by Annie 
Physics
A 2473 kg elephant is walking at 3 m/s on a flat surface. How much kinetic energy does he have? Answer in Joules
asked by Help 
Calculus II  Trapezoidal Rule
Find the error resulting from approximation by Trapezoidal Rule: integral (from 0 to 1) sqrt(1+ x^3) dx .... compute the results for n=8
asked by Chelsea 
High school
ÄHvap of acetone and cyclopropanol
asked by Carlos 
phsics
A 75 kg man weighs 735 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 15% of his body weight?
asked by Anonymous 
physics
The Achilles tendon is attached to the rear of the foot as shown in (Figure 1) . A person elevates himself just barely off the floor on the "ball of one foot." Assume the person has a mass of 80kg and D is twice as long as d.Find the tension FT in the
asked by may 
Geometry
The volume of a square pyramid is equal to _____ times the volume of a cube where the bases are the same, but the square pyramid is half the height of the cube.
asked by anon 
Physics
A pot containing 2 liters of 5 celsius water is putt on a stove that is 1500 watts. Now the stove is on. How long time will it take for all of the water to boil from the pot? (turn into vapour). No heat is lost to the surroundings.
asked by Thermodynamics 
U.S. History
Which invention was the basis for the major developments in American transportation? a.steam engine ** b.wagon axle c.canal lock d. gold spike
asked by Anonymous 
history
With the growth of Spanish colonies in the New World, _______ and _______ merchants became important players in the Atlantic slave trade. i was thinking chinese and british, but also portugese. i am very confused... please help
asked by Victoria 
history
i still need help with this question! In England, _______ housed totally destitute people at public expense and resembled the conditions of the first _______.
asked by Victoria 
Math  Check My Answers
Please help me with the following(there is 9 problems so be prepared): 1.2^(1/3)∙4^(1/3) I think it is 4 for the answer. 2. 11^(1/2)∙11^(1/2) I think it is 11 for the answer. 3. 2^(1/2)∙2^(1/2) I think it is 2 for the answer. 4. 3^(1/3)∙9^(1/3) I
asked by Brady 
Physics
If the fundamental frequency of an 70 cm long guitar string is 470 Hz, what is the speed of the traveling waves?
asked by Catherine 
world civilizations
What contributions did the Egyptian made to literature
asked by Joe 
math fractions and decimals
the decimal has a digit greater than 4 but less than 8 in the hundreds place, what could the decimal be?
asked by destiny 
Language arts
What is an indefinite pronoun?
asked by Tina 
Science
Acetylene gas c2h2 reaction cac2+2h2o. C2h2+Ca(oh)2 how many moles of cac2 needed to prepare 10.0 g c2h2 please show work and answer soon final question on big test review
asked by Victor 
Math help
Someone please help me out on this polynomial!!! 2x(squared) y4(4th power)(2x(squared)y+2xy3x(5thpower)y(3rd power)
asked by Anonymous 
Math
Farmer wants to enclose a rectangular area that is 600 sq. ft. He is using his barn for one of the sides. The barn is 30 feet long and he does not want the pen to extend longer than the barn. How much fencing will need to be purchased?
asked by Cindy 
Social Studies
Where is Fishers located in Indiana? Central, North, or South side?
asked by Anonymous 
physics
• If you use a cart with half the mass, you reach _______final speed. • If you use half the force, you reach ______ final speed. • If you push twice as long, you cover _______ distance during pushing. • If you use a cart with half the mass, you
asked by Ted 
Lang. Arts//Reading
What is the theme of the book "Kingdom Keepers", Disney After Dark? It is the first book and it is written by Ridley Pearson.
asked by Halle 
physics
You exert a larger force on the cart than the cart exerts on you. T/F When you stop pushing, the cart will continue moving at the same speed. T/F While the cart is pushed, it has a constant acceleration. T/F
asked by Ted 
Algebra
How do I solve for u? (u/1u) + 1 = 1.5
asked by PPC 
Chemistry Help Please!!!
1) Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociation step is: H3BO3 ⇌ H^+ + H2BO3^, K(a1) = 7.3 x 10^10; the second dissociation step is: H2BO3^ ⇌ H^+ + HBO3^2, K(a2) = 1.8 x 10^13; and the third
asked by Mello 
Chemistry
in a chemical reaction, 5.2 grams of magnesium reacts with hydrogen nitrate. Calculate the amount of magnesium nitrate that is produced and the amount of hydrogen nitrate needed to react with the magnesium.
asked by Anonymous 
Physics
For a given initial projectile speed Vo, calculate what launch angle A gives the longest range R. Show your work, don't just quote a number.
asked by Tim 
Physics
For a given initial projectile speed, you observe that the projectile has a certain range R at a launch angle A = 30 degrees. For what other launch angle will the projectile have the same range (assuming the same initial projectile speed)? Without the use
asked by Tim 
Chem Help :(
What is the pH of a solution in which [H3O^+] = 6.8 x 10^5 M? What is the pH of a solution in which [OH^] = 2.5 x 10^9 M?
asked by Tom 
math
show the work for these problems 4 2/31 1/6 = and 10 1/26 2/5=
asked by sherm 
Physics
Assume that you take data on the projectile range for a variety of different launch angles A at a fixed initial velocity Vo. You would like to plot your data to see if the range formula discussed in the introduction is supported by the data. The easiest
asked by Tim 
math pre algebra
i need help with linear functions with ways to remeber them easier
asked by mackenzie 
math
3x+2x+y+2y
asked by betty 
English Poetry
Please help... In this unit, you read William Wordsworth's poems "Lines Composed a few miles above tintern abbey," "The World is Too MUch with Us," and "I Wandered Lonely as a Cloud." How are these poems representative of the Romantic Period?
asked by Kierra 
Biology help
Why do the physical characteristics of the overall population change? Why do some animals die and some thrive? In natural selections why do the animals die?
asked by Anonymous 
MATH
THE PRODUCT OF SIX AND A NUMBER IS MULTIPLIED BY NINE?
asked by Anonymous 
BIOLOGY
GIVE AN EXPLANATION OF "SIMILARITIES IN EMBRYOLOGY" give an exclamation for geography as known as distribution of organisms
asked by Anonymous 
physics
Assume that the pitch of a honking car horn is the F above middle C (f F= 349 Hz) and the speed of sound in air is 770 mph. How fast would a honking car need to be approaching you for you to hear a G (fG = 392) instead of an F?
asked by Anonymous 
Math
Parallrlogram that is 3 cm measuring 110 degrees and 70 degrees. Please show drawing.
asked by Trinity 
Geometry
How does the volume of a square pyramid change if the base area is quadrupled and the height is reduced to 1/9 of its original size? A. V= 1/27Bh B. V= 4/27Bh C. V= 2/9Bh D. V= 4/9Bh
asked by anon 
math
Bert wants to make a larger version of a drawing he saw in a magazine. The drawing fits into a square with each side measuring 7 cm. If Bert makes his copy twice the size of the square measured in the original drawing, how much space will it cover on the
asked by Karla 
MATH
Drew has a rectangular postcard that is 6 inches long and 4 inches wide. He uses a photocopier to enlarge it, so that the length and width are 1.5 times as long as those of the original postcard. Explain how the perimeter and area change.
asked by Anon 
MATH
David wants to reduce a rectangular image on his computer so that the new image has 25% of the area of the original image. How should David modify the image? Justify your answer.
asked by Anon 
chem
Why is it expected that 2/10 of the ejected electrons will cone from the n=1 shell, and 8/10 ofthe electron from the n=2 shell?
asked by riana 
English
Question wors *Ask questions. 1/ She likes the blue shirt. 2/ I invited all my classmates. 3/ Mom bought this bag . 4/ He said"hello".
asked by Nawaf 
scince
as you drive down the highway you may see crows feeding on dead animals. as a result of this nutritional pattern,crows may be classified as
asked by veronica 
Algebra
A gift box has a value of 450 in.³. The width of the box is 4 inches less than the length. The height is twice the witdth. what is the width and inches of the gift box?
asked by Agata 
ethics
need help on this my answer Epictetus believes that the most important aspect of piety towards the Gods is:D not sure if im correct Answer a. To obey them. b. To have true beliefs about them. c. To accept all that occurs at their hands. d. All of the
asked by Annmarie 
science
a consumerproducer relationship is best illustrated
asked by veronica 
geometry
The angle of depression from a hot air ballon in the air to a person on the ground is 36 degrees. If the person steps back 10ft the new angle of depression is 25 degrees. If the person is 6ft tall, how far off the ground is the hot air ballon?
asked by taylor 
stat
EXERCISE: THE MULTIPLICATION RULE (4 points possible) Are the following statements true or false? (Assume that all conditioning events have positive probability.) P(A∩B∩Cc)=P(A∩B)P(Cc∣A∩B)
asked by vlad 
Biology
Why do the physical characteristics of the overall population change? Why do some animals die and some thrive? In natural selections why do the animals die?
asked by Anonymous 
Essay Evaluation (Writeacher)
What do you think about what I have written as an introduction? Dpes it require improvisation or revision? What do you suggest? What I have been assigned to write: "In Amy's Tan's "Rules of the Game," we read about generational tug of war. Write an essay
asked by Anonymous 
ethics
need help on this one more time For Epictetus and the Stoics, it is _____ that leads us to the best life. my answer is D a. Selfcontrol. b. Pleasure. c. Wealth. d. Controlling our circumstances.
asked by Annmarie 
statistics
Suppose that each unit of a system is up with probability 2/3 and down with probability 1/3. Different units are independent. For each one of the systems shown below, calculate the probability that the whole system is up (that is, that there exists a path
asked by sam 
science
Which statement best describes Newton’s Law of Universal Gravitation? A.Large objects, like Earth and the Sun, attract other objects everywhere in the universe. B.Gravity is a kind of magnetic force between objects and Earth. C.Gravity is the result of
asked by victoria 
Geometry
How does the volume of a rectangular prism change if the width is reduced to 1/10 of its original size, the height is reduced to 1/4 of its original size, and the length is reduced to 2/3 of its original size? A. V=1/120lwh B. V=1/60lwh C. V= 2/3lwh D.
asked by anon 
sociology
1. Justice Potter Stewart would most agree with which claim about obscenity? (B) It is easy to concretely determine what obscenity is. People can intuitively understand what obscenity is. Obscenity ought to be allowed so long as no one is harmed. Obscenity
asked by Mariah 
2 question
What is an AUP? the abbreviation for the school administrator in an online education environment a document outlining what is acceptable behavior when using the Internet for schoolwork a policy outlining the proper formatting to use in Microsoft® Office
asked by Anonymous 
science
Astronomers study an asteroid that is moving quickly toward Jupiter. Which statement describes how the gravitational attraction between the asteroid and Jupiter will most likely change? A. The gravitational force will increase as the distance between the
asked by victoria 
physics
You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. On your first try, you fire the arrow at 36.0 m/s at an angle of 30.0° above the horizontal from a height of 1.40 m while standing 41.0
asked by julie 
Math
How much coffee that is $10 per pound should be added to 30 pounds of coffee at $3 per pound to get a coffee $5 per pound?
asked by North 
Math
The directions that came with the kite pattern that Andre ordered on the internet said to cut out 2 supplementary angles so that the measure of one is twice the measure of the other. How many degrees are in each angle? Justify your answer.
asked by Jenny 
Astronomy
How far will Venus be from Earth on February 19, 2014?
asked by Carol 
The American Revolution
Please help with the following: Who was Marquis De Lafayette, and what did he do during the war? Who was Casimir Pulaski, and what did he do during the war? I would appreciate it if any of you can help me. I do not know who they are except the very little
asked by Brady 
Calculus
The halflife of radioactive strontium90 is approximately 31 years. In 1960, radioactive strontium90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. How many years does it take until only 11
asked by Brandon 
Math
industrial capital increase each year in half and spends USD 11,000 a year. to take stock at the end of the third year found that its capital had doubled what was your initial capital?
asked by Rapha 
Algebra 1
Julie subscribes to a sports magazine and a fashion magazine. She received 24 issues this year. The number of fashion issues is 6 less than twice the number of sports issues. Define the variables, and write a system of equations to find the number of
asked by Gabbi 
java programming
I have to make two classes, one is to import a file and display the integers in the file. The other class has to take the integers from the first class and use them to calculate things like the average, the highest, the total, and I am completely
asked by Nathan 
Criminal Justice
Factors that may elevate a nonstop to a stop include: A. whether the suspect attempted to leave. B. the number of officers present. C. display of weaponry. D. All of the above
asked by Erica Chaviano 
Physics
A 2.0 micro farad capacitor in a circuit in series with a resistor of .0 MOhms is charged witha 6.0V battery. How long would it take to charge to 3/4 of its maximum voltage?
asked by Julie Calder 
Ethics
Which of the following answers to the meaning of life did Tolstoy hold prior to his change of heart and mind? my answer is A a. Life has no meaning, and we must embrace that fact. b. Life's meaning is to provide comfort for oneself and one's family. c.
asked by Annmarie 
Drama
Can you read this and give me some idea about how I should block the scene because I have to perform it. Hi, I'm William Shakespeare. I had disappeared from the records for seven years. Many rumors flew around, including that I liked to poach. They say I
asked by Tommy 
Physics
A cart rolls down a hill, if the cart weighs 8.7kg and the cart starts at a height of 3.0m, what is the final velocity of the cart?
asked by Anonymous 
Physics
1. Two points in a plane have polar coordinates (2.5 m, 30 degrees) and (3.8 m, 120 deg). Determine (a) the cartesian coordinates of both points and (b) the distance between the points. 2. Vector A has magnitude 29 units and points along +y. When vector B
asked by Rachel 
Calculus
A holding pen for fish is to be made in the form of a rectangular solid with a square base and open top. The base will be slate that costs $4 per square foot and the sides will be glass that costs $5 per square foot. If the volume of the tank must be 50
asked by Ann 
Physics
The figure shows portions of two large, parallel, nonconducting sheets, each with a fixed uniform charge on one side. The magnitudes of the surface charge densities are σ(+) = 4 μC/m2 for the positively charged sheet and σ() = 10 μC/m2 for the
asked by Lyra 
precalc
find the inverse of the function f(x) = x^2 − 6x, x ≥ 3
asked by Anonymous 
Math
1a) Prove that there exist irrational numbers a and b so that a^b is rational. look at the numbers √2^√2 and (√2^√2)^√2 1b) use similar idea to prove that there exists a rational number a and an irrational number b so that a^b is irrational 1c)
asked by excel 
English
But his reference to Shakespeare is especially deliberate, being in the form of a solemn and last appeal to his friends among the scholarly dramatists to relinquish their connection with the presumptuous and ungrateful stage.
asked by Tommy 
Ethics
Which of the following answers to the meaning of life did Tolstoy hold prior to his change of heart and mind? my answer is A a. Life has no meaning, and we must embrace that fact. b. Life's meaning is to provide comfort for oneself and one's family. c.
asked by Annmarie 
CHEMISTRY
0.15g of hydrogen chloride (HCl) is dissolved in water to make 6.5L of solution. What is the pH of the resulting hydrochloric acid solution?
asked by Anonymous 
math
1tan^2 theta/1+tan^2 theta + 2sin^2 theta need to simply to sin and cos
asked by john 
Thesis Statement
“The subject of this paper is my experience with teaching elementary school children” Is this a weak or strong thesis statement
asked by Anonymous 
math
The cruising speed of a Boeing 767 in still air is 530 mph. Suppose that a 767 is cruising directly east when it encounters an 80 mph wind blowing 40 degrees south of west. Sketch the vectors for the velocities of the airplane and the wind. Express both
asked by Connie 
Physics
1200kg car moving at 9.72m/s runs into and sticks to a parked 1000kg car. The collision takes 0.15s and after the crash the cars wheels lock and they skid to a stop on the u=0.40 road. what is the distance travelled before skidding to a stop?
asked by Ann 
Science
1. Consider a neutral atom that has 17 electrons A.) how many protons does it have b.) what is it's atomic number c.)which element is it 2. List the following for an atom with 33 protons and 42 neutrons a.) the name of the element b.) the atomic number
asked by Tessa