# Questions Asked onSeptember 22, 2010

1. ## physics

A shotputter throws the shot with an initial speed of 15.5 m/s at a 32.0 degree angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.20 m above the ground.

2. ## Physics

a long jumper jumps 10m and leaves the ground at an angle of 45 degrees.determine the speed he leaves the the ground at,

3. ## Math

In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the four first tests is 88.5. What is the lowest average he could get on his next two

4. ## Physics

Fox sees a piece of carrion being thrown from nest and rushes to it. Nest is 14.0 m high and carrion is thrown with a horizontal velocity of 1.5m/s. Fox is 7.0 m from the base of tree. What is magnitude of fox's average velocity if it grabs carrion in its

what is 5c=2/3 divided by 2/3

6. ## Chemistry 1145

These UV photons can break chemical bonds in your skin to cause sunburn—a form of radiation damage. If the 310 nm radiation provides exactly the energy to break an average chemical bond in the skin, estimate the average energy of these bonds in \rm

7. ## chemistry

what is the density of an 84.7g sample of an unknown substance if the sample occupies 49.6cm3? what volume would be occupied by 7.75g of this same substance? PLEASE help need the answer tonight i have a test tomorrow i kind of not understand the second

8. ## physics

Responding to an alarm, a 100 kg, a fireman slides down a pole to the ground floor, 3.1 m below. The fireman starts at rest and lands with a speed of 3.8 m/s. Find the average force exerted on the fireman by the pole. Find the average force exerted on the

9. ## biology (multiple choice!)

The death by bubonic plague of about 1/3 of Europe's population during the fourteenth century is a good example of: A. Abiotic factors limiting population size B. A density dependent effect C. A time lag D. A density-independent effect E. Carrying capacity

12.0 g of carbon reacts with 32.0 g of oxygen to form 44.0 g of Co2. if we react 20.0 g of oxygen with 20.0 g of carbon,how many grams of carbon will be used up?..... i have no clue where to start... can u just tell me the steps to solve similar problems

11. ## accounting

Jones Company is authorized to issue 20,000 shares of no-par, $5 stated-value common stock and 5,000 shares of 9%, 100 par preferred stock. It enters into the following transaction: 1. Accepts a subscription contract to 7,000 shares of common stock at$42

12. ## college chemistry

a)What is the mass of heavy water D2O produced when 5.20g of O2 reacts with excess D2? b)What is the mass of water H2O,produced when 5.20g of O2 reacts with excess H2 Consider the reaction 2D2+O2->2D2O Can someone step me through this?

13. ## Chemistry 11

12.0 g of carbon reacts with 32.0 g of oxygen to form 44.0 g of Co2. if we react 20.0 g of oxygen with 20.0 g of carbon,how many grams of carbon will be used up?..... i have no clue where to start... can u just tell me the steps to solve similar problems

14. ## calculus

The US inflation rate had been 3.5 % per year and the Argentinian inflation rate had been 36 % per month. (a) What is the yearly equivalent of Argentina's 36 %monthly inflation rate? (b) What is the monthly equivalent of the US 3.5 %yearly inflation rate?

15. ## physics

A 48 kg skier skis directly down a frictionless slope angled at 5° to the horizontal. Assume the skier moves in the negative direction of an x axis along the slope. A wind force with component Fx acts on the skier. (a) What is Fx if the magnitude of the

16. ## Chemistry 2

The pH of a 0.175 M aqueous solution of a weak acid is 3.52. What is Ka for this acid ?

17. ## Chem

Why can't the water displacement method be used to find the volume of all solids?

18. ## CHEM

Calculate the mass of silver chloride required to plate 185 of pure silver.

19. ## Chemistry

A mixture of CuSO4 and CuSO4·5 H2O has a mass of 1.235 g. After heating to drive off all the water, the mass is only 0.830 g. What is the mass percent of CuSO4·5 H2O in the mixture?

20. ## physics

The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of 2.0 m/s. The sum of the two is V3, so that V3 = V1+V2 True False The magnitude of V3 can be -3.0 m/s The x-component of V3 can be

21. ## 465465

A satellite is orbiting the earth just above its surface. The centripetal force making the satellite follow a circular trajectory is just its weight, so its centripetal acceleration is about 9.81 m/s2 (the acceleration due to gravity near the earth's

22. ## math

Kay is making beaded belts for her friends from 6.5 meters of cord. One belt uses 0.625 meter of cord. How many belts can she make?

23. ## science

Are Saturn rings made of ice

24. ## Chemistry 2

Which solution will have the lowest pH ? A. .10 M HCN B. .10 M HNO3 C. .10 M NaCL D. .10 M H2CO3 E. .10 M NaOH

25. ## english

read the following sentences and underline each word or phrase that signals a comparison or contast clue. circle comparison or contrast, depending on the clue. then write the meaning os each italicized word. 1.) We thought we were seeing the real painting,

26. ## phsics

A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H = 32.0 m above sea level, directed at an angle theta = 49.3° above the horizontal, and with a speed v = 25.8 m/s. Assuming

Homework Help Forum: Algebra-Please help-I'm confused Posted by Tom on Tuesday, September 21, 2010 at 8:09pm. This deals with quadratic functions-If I have a graph with h = (-5)and k =3 and they ask for the translation, would it be {5,3} or would the

28. ## math

(7x+1)=(10x-23) what measure of

29. ## honors math 7th grade

its a venn diagram three circles. Here is the question. A study was made of 200 students to determine what tv shows they watch. 22 students hated all star trek shows. 73 students watch only the next generation(TNG) 136 students watch TNG. 14 students watch

30. ## math/ physics

An athlete executing a long jumper leaves the ground at a 27.0 degree angle and travels 7.89 m. What was the takeoff speed? If this speed were increased by just 5.0%, how much longer would the jump be?

31. ## physics

as the shuttle bus comes to a sudden stop to avoid hitting a dog, it accelerates uniformly at -4.1 m/s to the 2nd power as it slows from 9.0m/s to 0.0 m/s. find the time interval of acccelaration for the bus

32. ## physics

A shopper pushes a 8.0 kg shopping cart up a 13 degree incline. Find the magnitude of the horizontal force, needed to give the cart an acceleration of 1.25 m/s^2.

33. ## physics

A projectile is launched from ground level to the top of a cliff which is 195 m away and 155 m high. If the projectile lands on top of the cliff 9.2 s after it is fired, find the initial velocity of the projectile (magnitude and direction). Neglect air

38 = 2a + 54

35. ## Physics

Consider the system of capacitors shown in the figure below (C1 = 5.00 µF, C2 = 7.00 µF). Find the equivalent capacitance of the system. Find the charge on each capacitor. Find the potential difference across each capacitor. Find the total energy stored

36. ## Physics

A uniform magnetic field points north; its magnitude is 3.5 T. A proton with kinetic energy 6.0 × 10-13 J is moving vertically downward in this field. What is the magnetic force acting on it? This is what I've done. The answer is incorrect. Please help me

choose the most effenctive thesis sentence from the following: a. i leared a valuable lesson. or b. life is full of valuable lesson. or c. the saying "Honesty is the best policy" is a valuable life lesson. or d. valuable lesson important in life.

38. ## art

I need help to create a 2 page informative newspaper advertisement for 2 exhibits. The first one I chose is from early Chinese civilization it is called Scholar of the eastern fence by Liang King. The other is from early Japanese civilization and is the

39. ## physics

A ball is thrown horizontally with an initial velocity of 20.0 m/s from the edge of a building of a certain height. The ball lands at a horizontal distance of 82.0 m from the base of the building. What is the height of the building?

40. ## Math

If the ratio of girls to boys on the swim team is 2:3, which of these shows the possible number of girls to boys: A. 20 girls, 35 boys B. 24 girls, 36 boys

41. ## Science

calculate the density of 50.0 mg of a gas which occupies a volume of 0.0064 L.

42. ## biology

what happens to proteins dissolved in water when you heat it to 100 degrees

43. ## physics

in a experiment to detrmine the acceleration of free fall 'g' a student attached a length of ticker tape to a metal ball. when the ball was released it fell to the ground pulling the tape through a ticker timer that printed 50 dots per second on the tape.

44. ## math

Tyrell says $750 is about$800.Sara says $750 is about$700.who is correct?explain.

45. ## Magnetic Field Forces: Physics

A uniform magnetic field points north; its magnitude is 3.5 T. A proton with kinetic energy 6.0 × 10-13 J is moving vertically downward in this field. What is the magnetic force acting on it? This is what I've done. The answer is incorrect. Please help me

46. ## sociology

My assignment is about reading "Sociology as an individual pastime"( Peter L. Berger) and summarizing it. I have read it again and again for many times, but I still don't understand it clearly. Please help me

47. ## Physics

In moving a 35.0 kg desk from one side of a classroom to the other, a professor finds that a horizontal force of 300 N is necessary to set the desk in motion, and a force of 185 N is necessary to keep it in motion at a constant speed. (a) What is the

48. ## the writing process

A trip to the ocean can be a relaxing escape from everyday pressures of life.A sailboat glistening on the horizon provides a mental escape to faraway places.The rhythm of the ocean beating against the sand is sedating music to a troubled mind.A slow,gentle

49. ## world history

In what direction did Homo erectus migrate from Kenya in east Africa to Indonesia

50. ## Sociology college

Hello ! I need you help my homework By a narrow margin, Dr. Moreau was recently elected chair of the largest academic department are Faber College She has appointed faculty members who are loyal to her and support her views t o the most influential and

51. ## Geography

What does this mean. It's one of the reasons civilization may clash. I don't understand it. Thank you. The interactions between peoples of different civilizations are increasing because these increasing interactions intensify civilization-consciousness and

52. ## physics

An athlete executing a long jumper leaves the ground at a 27.0 degree angle and travels 7.89 m. What was the takeoff speed? If this speed were increased by just 5.0%, how much longer would the jump be? I came up with a take off speed of 27.4 but the system

53. ## Marketing

Select a product or service that you would like to introduce to the marketplace. It may be a product or service from an existing company or a new concept. · Prepare a 1750-2100 word Marketing Plan for your selected product/service. Include the following

54. ## physics

A student bikes to school by traveling first d_N = 1.10 {miles} north, then d_W = 0.500 {miles} west, and finally d_S = 0.200 {miles} south. If a bird were to start out from the origin (where the student starts) and fly directly (in a straight line) to the

55. ## college algebra

The height of an object thrown upward with an initial velocity of 96 feet per second is given by the formula h = -16t2 + 96t, where t is the time in seconds. How long will it take the object to reach a height of 144 feet?

56. ## Chem

A block of metal has a width of 3.2 , a length of 17.1 , and height of 4.8 . Its mass is 1.2 . Calculate the density of the metal.

57. ## Real Estate Management

3. A 50 unit apartment building has 20 – 1bedroom units; 20 – 2 bedroom units; and 10 - 3 bedroom units. The market price for the units is $600,$700, and $850 respectively. There is currently one of each unit vacant. Late fees are$15 and concessions

58. ## AP Physics

An experimental rocket car starting from rest reaches a speed of 600 km/h after a straight 370 m run on a level salt flat. Assuming that acceleration is constant, answer the following questions. a)What was the time of the run? (in seconds) b)What is the

59. ## Chemistry - pls help

This is a limit test for chlorides. 1.0g of NaOH sample was dissolved in 5ml of deionized water, acidified with 4ml of dilute nitric acid and diluted to 15ml with deionized water. (Test tube A) 10ml of 50ppm Standard NaCl solution was prepared. 5ml of

60. ## math

Which point on the circle x^2+y^2-12x-4y=50 is closest to the origin? Which point is farthest from the origin? Explain.

prove that the statement 1/5+1/5^2+1/5^3 +...+1/5^n=1/4(1-1/5^n) is true for all positive integers n, write your proof in the space below

62. ## Math

Convert from base 10 to the indicated base. 2500 to base 14 I got CA8 to the base of 14. Is that correct?

63. ## Math

Round off the answers to two decimal places. 535.71428571428 and 468. 75

64. ## algebra

The formula for the height of a fallinis shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall. h=-4.9f+k If aq rock is droppped from a building that is

65. ## physics

Two vectors are given by a = 1.8 x - 9.6 y and b = -17.5 x + 1.6 y. What is the magnitude of a? What is the angle between vector b and the positive x-axis? What is the magnitude of the vector a + b?

66. ## PreCalc

6.Given -2i is a root, determine all other roots of x^4-10x^3+42x^2-88x+80. A. x= +/- 4, 2i B.x= -2, +/- 4i C.x= -4, +/- 2 D.x= -4, 2i E.x= +/- 4, 2 Please help, I do not understand where to begin.

67. ## math

Djer invests $5000 each year into a mutual fund earning 6.15% compounded annually. After 8 years he stops making payments, but leaves the funds invested for an additional 4 years. a) What is the value of the fund at the end of 8 years?$ b) What is the

68. ## chemistry

How many moles of carbon dioxide are in a 175 g sample.

69. ## Math

% of Paupers Native: 51.6 Foreign: 39.3 % of Population Native: 74.5 Foreign: 13.4 How much higher was the proportion of paupers in the foreign? How to get the answer?

70. ## physics

an automobile with an initial speed of 4.30 m/s accelerates uniformly at the rate of 3.00m/s^2. fine the final speed and the displacement after 5.00s

71. ## Physics

I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given

72. ## chemistry

number of mole in 850.5g of zinc

73. ## Physics-Mechanics

horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 5.53 kg which hangs in the air, as shown on the following picture. Assume the cord to be light (massless and weightless) and unstretchable and the pulley to

74. ## ap chemistry

What is the molar mass of glucose, C6H12O6?

75. ## math

What is the pattern to this sequence? 1,3,4,7,11,18,29 I figured it was plus the last 2 numbers which will then equal the next number. But I got messed up and can't figure the next 3 numbers in this pattern, any help is helpful. THanks

5y-3/5=4/5 i don't understand how to do this

77. ## math

a small plane flying into the wind takes 3 hrs 20 min to complete a flight of 960 km. Flying with the wind the same plane takes 2 h 30 min to make the trip.what is the speed of the plane? what is the speed of the wind?

78. ## algebra

The matrix below shows the sales, in thousands of dollars, for three different stores over a period of two years. sales store A store B store C year 1[110 250 400] year 2 150 300 350 Each store's profit is 3% of its sales. What is the profit, in thousands

79. ## trig

Solving Trig Functions: How Do You Solve For Sin 7.5 Using Half-Angle and Double-Angle Identities?

80. ## chemistry

What volume for 1.5M KCl solution must be used to prepare 500. mL of a .550 M KCl solution? I need the set up

81. ## Math

What is a pattern rule 74, 148, 222, ..., 370

82. ## IT/210

I am in week 9 and I need help. Create requirement specifications, design specifications, and processing models (including input/out tables, data flow models, and procedural processing). First of all what do each of these terms mean? That is all I need to

83. ## calculus

lim x^4-1/x-1 x->1-

84. ## algebra

The formula below can be used to find the distances (d) traveled by an object, where v represents the initial velocity of the object, t represents the time, in seconds, and a represents the acceleration, in meters per second squared. d=vt+1\2at2 A bicycle

what is a doctor's responsibility if a patient requests restrictions on the use of his or her PHI?

87. ## Physics-Mechanics

A pulley is massless and frictionless. 3 kg, 2 kg (on the left), and 6 kg (on the right) masses are suspended What is the tension T1 in the string be- tween the two blocks on the left-hand side of the pulley? Can I solve this like if it was two masses? My

88. ## chemistry

What is the total sample size (in grams)for a sample of ethanol (CH3CH2OH) which contains 3.39 grams of oxygen?

89. ## chemistry 12

In a complete sentence, give an example of a reaction rate that concerns many Canadians - one that involves cars, cold mornings, and cold batteries.

90. ## math

EXPLAIN HOW EIGHTEEN HUNDRED CENTIMETERS AND ONE THOUSAND,EIGHT HUNDRED CENTIMETERS IS THE SAME.

91. ## math gr.6

Between 20 and 28 students signed up for the chess club.The students could not be divided exactly into groups of 2,3,4, or 5. How many students signed up for the chess club? Show your work. Please, help. Thanks.

92. ## Chemistry

What weight of copper(II) oxide, CuO, would theoretically be produced from 1.623 grams of copper? (mol. masses Cu = 63.55; O = 16.00)

93. ## Spanish for Whitney

Here's the answer from yesterday: spanish1 homework check - SraJMcGin, Tuesday, September 21, 2010 at 4:58pm 1. son las, etc. To show you how to make accent marks with the computer I need to know 2 things. a) do you have a MAC or a PC and b) do you have

94. ## math

Using the following six digits, 1, 2, 4, 6, 8, and 9, fill in the blanks below to make the maximum product that you can. Use each digit only once. How does an understanding of place value help determine the best solution to this problem? __ __ __ x __ __

95. ## English

I need to do a flow chart about my Novel, and I don't know how to create one, so I was researching on the internet about them, but I can't seem to find what I want. Could someone please provide me with a site, that gives an example of a flow chart, that is

96. ## math

how do i convert 0.79 to a fraction

97. ## math

4-(-3)+1/2-2/(-2)

150. 7,500

99. ## college physics

A swimmer is heading straight for the other shore of a river with a velocity of vs=0.7 m/s relative to the water, but is carried away by the current, which has a velocity of vr=0.3 m/s. It takes her 20.3 s to get across. How far downstream does she end up?

100. ## Jiskha

Why were some of my answers deleted? I'm not mad, I just want to know how this site works.

101. ## math

adam frog can jump 4 times as far as sonya frog. sonya frog can jump 8 inches. use a picture and a number sentence to tell how many inches adam frog can jump

102. ## geography

What is meant by the term the clash of civilizations? There is so much about this topic when u google search it. What is a brief overview about it.

103. ## chem

What happens if ph meter isn't calibrated. How will it influence ka on a weak acid

104. ## Math

Triangle ABC and RST are similar triangles. A=2(x+15)^0,angle S= 3x^0 and angle C=x^0. What are the correct measures of angle B,R,and T? What kind of angles are they?

Next, Tom remembers that he heard a doctor talking about something that takes two weeks to heal. I have to identify what type of pronoun that (second one in sentence) is. Would it be a relative pronoun?

106. ## literature

If you consider The Call of the Wild to be an allegory, which one of the following statements would be true? A. Judge Miller represents the primordial condition. B. Buck represents some characteristic of humanity. C. John Thornton represents the civilized

107. ## Physics - Inelastic Collisions

The speed of a pitched baseball is 46.0m/s. You want to know how fast is your school's star baseball pitcher could throw. You make a pendulum with a rope and a small box lined with a thick layer of soft clay, so that the baseball would stick to the inside

108. ## Science

What does Emitted mean in light and reflection lesson's. Thank you.

110. ## Math

I'm trying to graph each function for the given domain. Can you let me know if I'm on the right track or not? 3x-y=1;d:(-3,-1,0,4) I have -y=3x+1 x,y -3,12 -1,4 0,0 4,-16

111. ## spanish

what is mil ciento uno

112. ## Algebra

Simplify the rational expression. (45y-9xy)/(x^2y-25y) I got an answer of 9y/y(x+5) but it seems to be wrong. Can anyone solve this for me and see what they get? Thank you

113. ## sport

How do i explain the effect of air resistance on the flight of two badminton shuttles, the first of which has been struck hard (with a greater application of force) and the second which has ben struck gently?

114. ## Hard Calculus

f(x)= xsquared -2x for y= absolute value of f(x) does the derivitive exist at x=0 and explain why.

115. ## Chemistry

What weight of copper(II) oxide, CuO, would theoretically be produced from 1.623 grams of copper? (mol. masses Cu = 63.55; O = 16.00)

116. ## Physics

I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given

118. ## Chemistry - urgent help needed

The following is part of a procedure for a limit test for sulphates in an NaOH sample:- Dissolve 3.0g of NaOH in 6ml of deionized water, adjust to pH 7 with 12M HCl (about 6.2ml) and dilute to 15ml with deionized water. When about 6ml of 12M HCl was added,

119. ## math

a raffle plans to sell 100 tickets for 2.00 each. I f 5 people buy 4 tickets each what is the chance that one of he people will win?

120. ## english ")

a sentence that use a context clue and the word serene!!

121. ## physics

A small steel ball bearing with a mass of 10 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.19 m. Calculate the speed at which the ball leaves the spring. Calculate the

122. ## Geometry

PLEASE! Someone help me with geometry!? A wooden board is placed so that it leans against a loading dock to provide a ramp. The board is supported by a metal beam perpendicular to the ramp and placed on a 1 ft. tall support. The bottom of the support is 9

123. ## Sociology college

Yeah, I looked it already but i could not find what i want. and I really appreciate you for telling me the good website

124. ## earth

rachelcarson "silent spring" agriculture and the movement that launched the environmental movement.. Question pros&cons of agriculture based on silent spring, A revolutiondown on the farm, and whole earth discipline compare&contrast Dr. Russ, or others

125. ## physic

A 57 kg boy and a 42 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 3.4 m/s2, determine the magnitude of the acceleration of the boy toward the girl. Answer in

126. ## math

Round 7,468 to the nearest hundred.

(-9)(5)/-3

128. ## interaction

describing a recent interaction with a friend or family about personal finance or credit ccards

Teaching 3rd graders compatable number? Is there a rule? I have taught them to group numbers that add up to ten. I also told them think of it as rounding to nearest 5. Am I steering them in the right direction?

130. ## math

If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value is a solution to an equation? If you replace the equal sign with < of >; is the only time when the same value is a solution to an equation. -6/7

131. ## math

Mrs. Bradner has 30 tomato plants . She wants to plant the same number of plants in each row of her garden. Explain how she could decide the number of rows to Plant.

6(x+4)=3x-2

133. ## geography

knowing similarities in big areas of the world is an example of what geography

134. ## Statistics

Explain the meaning of the following three statements: "The self-confidence of that group of recruits is negatively correlated with their chances of getting through the course." Thanks

135. ## physics

A cannon is fired from a cliff 200 m high downward at an angle of 30o with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?

21x^2-91x-70

137. ## physics

A plane which weighs 1122 kg goes from a speed of 145.5 m/sec and height of 1133 m to a speed of 82 m/sec and 592 m. What is work?

138. ## Prealgebra

6x-10=56 combine like terms:

139. ## math

Please solve -2x+7>22 -2x+7-7>22-7 -2x>15 -2x/(-2)

140. ## math

Ex 2: -2x+7=22 -2x+7-7=22-7 -2x=15 -2x/(-2)=15/(-2) I do not have to switch the equality sign. Even if I did it would not look any different. x=-7.5 Check: -2x+7=22 -2(-7.5)+7=22 my solution is that x=-7.5 so I will just put that in to see if it works.

141. ## dynamics

The free-rolling ramp has a weight of 135 lb The crate whose weight is 72 lb slides from rest at A , 15ft down the ramp to B. The ramps is also at rest when the crate is at A. Assume that the ramp is smooth, and neglect the mass of the wheels. basicall the

142. ## statistics

Box A contains 4 red and 6 blue balls. Box B contains 5 red and 10 blue balls. A box is selected at random and a ball is drawn. Find the probability that the ball is blue, given that it came from Box B.

What is characterization of the Stranger in "War Prayer"?

144. ## math

Here are a few problems I need solving Make sure to show a check for the solution and write the solution in set notation like {x|x>5}: Solve for y -7y-14>42 Solve for x -2(4x+5) < 2x-20

145. ## john

Find the smallest natural number n such that 4410 x n is a perfect cube.

-3.38=r-9.76

147. ## physics

The determined Wile E. Coyote is out once more to try to capture the elusive roadrunner. The coyote wears a new pair of Acme powered roller-skates, which provide a constant horizontal acceleration of 13 m/s2. The coyote starts off at rest 50 m from the

148. ## Physics

HELP! I'm doing a webassign, and am completley lost on these problems. If you could help with any, that would be great. A crate weighing 9.40 103 N is pulled up a 36° incline by a force parallel to the plane. If the coefficient of kinetic friction between

149. ## statistics

Box A contains 4 red and 6 blue balls. Box B contains 5 red and 10 blue balls. A box is selected at random and a ball is drawn. Find the probability that the ball is blue, given that it came from Box B.

151. ## Algebra 1 word problem

Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $60 of her medical bills, plus 30% of the rest. Plan B would pay the first$140, but only 20% of the rest. For what amount of medical bills will plan B save

152. ## Chemistry

which has a shorter bond between nitrogens? N20 or N3-

153. ## statistics

What is the probability of 62 if the mean is 60 and the standard deviation 7 what is the proportion between 45 and78 if the mean is 60 and the standard deviation 7 what is the z score of 78 what is the z score of 45

154. ## physics

A cannon is fired from a cliff 200 m high downward at an angle of 30o with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?

155. ## social studies

Access the presidency of Thomas Jefferson. Do his actions in office coincide with his political philosophy? What are some examples to support this?

156. ## Statistics

A manufacturer makes two models of an item: model I, which accounts for 80% of unit sales, and model II which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 10% of its model I and 18% of model II. If a

157. ## spanish

what is catorce millones

158. ## 5th math

Nia scored 21 points in the game. If she scored 13 points in the first half of the game, how many points did she score in the second half? I subtract 21 from 13 and got 7? To check my work I added 13+7 and got 20?

159. ## Express Fraction

How do you express 30/100 in 10ths and 20ths?!?!?!?!

160. ## geometry

(6,4)and(6,-2) find the distance between these pairs of points

161. ## algebra 1

Factor the expression: 4n^3 + 8n^2 - 5n - 10 (n+2)(4n^2 - 5)?

162. ## physics

After a golf ball is hit it takes off with an initial speed of 22.0 m/s and at an angle of 38.0° with respect to the horizontal. The golf field is flat and horizontal. Neglecting air resistance how far will the golf ball fly?

163. ## Algebra 2

How would I put the following equations into y=mx+b form? x+y=4 -4x+y=9

164. ## Algebra

A batch of concrete is made by mixing 1 part cement, 2.5 parts sand, and 3.5 parts gravel. How many pounds of sand and gravel are needed to make 300 pounds of cement?

165. ## English

Could you please check the grammar in the following sentences, please? Thank you. 1) On 1 September 1651 he went to Hull to see a friend, who had a ship and was sailing for London. 2)Without much thinking about his father’s warning, he got on his

166. ## Physics

A uniform electric field of magnitude 395 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.40 cm. What is the work done by the field on the electron? What is the change in potential energy

167. ## english

i need a sentence that use the word ordeal but it also needs to have a context clue

176. ## world history

whatt will cause a population to grow?

177. ## physical education

what is the meaning of extrnsic motivation?

178. ## Algebra

if $1500 grew to$1575 with 4% simple interest how long was the money in the account?

179. ## math

i don't understand this fraction please help! 2x - x"2" 3x - 1 ________ + _________ 6 4

order of operations 11, 10, 15, 20, 3 = 6

181. ## Health

MVP should be ruled out, which means eliminate the possibility of: 1. Mitral Valve Prolapse 2. Myoocardial Infarction 3. myocardiitis 4. Heart Murmur I took the answer to be number 1 Please help am I right?

182. ## history

how did the migration to florida introduced new farming practices

183. ## Literature

In emphasizing the importance of individual thinking and basing one's beliefs on one's own experiences, Sujourner shows she has much in common with

184. ## math

In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ? please help. Your answer was no but how do I do this problem? I'm sorry, I mean ,or =. Thank You for your help.

185. ## math

how do you make a model for the product of 0.04 multiplyied by 8

186. ## Personal Fiance

Can someone check this and see if I am doing it right or not. Thank you. I used Bank of America annual report Earnings Assets to Total Assets Earnings Assets 2,736,000 Total Assets 2,223,299,000 1.23 Interest Margin to Average Earning Assets Net Interest

187. ## acct

which account will not appear on an after -closing trial balance?

188. ## math

the length of a rectangle is 9in. greater than the width.the area 36in.2 find the dimensions

Ex 3: 4x-7

190. ## us history

Which of the 50 states excluding Hawaii is located the farthest north and which is located the farthest South?

191. ## matematicas

un coche tardara 9 horas en recorrer un trayecto a una velocidad de 85 kilometros por hora. pregunta: ¿cuanto tardara en recorrer la misma distancia pero a una velocidad de 70 kilometros por hora?

192. ## Literature

tha purpose of expedition Buck takes with with Thornton in The Call of the Wild

193. ## Math

A.J made 82.32% of the free throws he shot. What number is not equivalnet to 82.32%. A 823.2/1000 B. 8.232 C. 8232/10,000 D. 82.32/100

194. ## math

if a+b=3 and a^2+b^2=6, what is a^3 + b^3

195. ## math

in music what does allegro mean?

196. ## physics

A net force of 295 N accelerates a bike and rider at 2.60 m/s^2. What is the mass of the bike and rider together?

s+5/8=7/8

198. ## us history

For years, many history books claimed that "Columbus discovered America." Why do you think Native Americans might disagree with the word "discovered" in this statement? What might be a better word?

199. ## math

s+5/8=7/8

What are the trade agreements of germany? plz help!!

why do you think federal government is concerned about foreign investment in financial services, transportation and culture in particular...(especially canadian government)

203. ## Math

Using the definition for the Fourier transform, prove that this operation is linear.

204. ## math

x/5-1=3

What are the barriers to entry to markets for China and India?

206. ## arithmetic

0.2 in extended form

207. ## Social Studies

A document that sets up broad organization of a government and the rules under which it will operate is called what.

209. ## math

How many different ways can you make change using 25-cents coin using dimes, nickels and pennies?

210. ## science

the length of the string is 9.984cm.What is the length of the string to the nearest tenth of a centimeter

211. ## chemistry

how do you change Density= mass/volume (D=m/v) to solve v or m?

212. ## Calculus

If h(t) represents the height of an object above ground level at time t and h(t) is given by h(t) = −16t2 + 96t + 1, find the height of the object at the time when the velocity is zero.

213. ## math

The amount of money M in a piggy bank containing only nickles and dimes d, when there are five more nickels than dimes.

214. ## earth

compare and contrast the pros and cons of agriculture

215. ## English Literature

Help with writing a hook for an essay about Anglo-Saxon societies/kings during that time??

216. ## Chemistry

Why does beta radiation take place?

217. ## Hum/205

I need help writing my final. Write a 1,750- to 1,900-word paper that represents three chapters from your new book. Each chapter will contain an analysis from the period you selected. Remember to write in the first person perspective of an art historian

it said list your five sensea

219. ## social studies

the form of government used in most of louisisana's parishes is called what

220. ## Chemistry

What happens to the beta particle when stopped

221. ## History

What vocabulary word fits this defintion, a form of local government similar to a county in other states?

222. ## Algebra

Simplify the rational expression. (45y-9xy)/(x^2y-25y) I got an answer of 9(5-9x)/((x-5)(x+5)) but it seems to be wrong. Can anyone solve this for me and see what they get? Thank you

What opportunities are there for UK firms in China and India?

224. ## spanish

what is seteciento trece

226. ## Chemistry

How do I find the radium of the sulfide ion in BeS? The radius of Be is 59 pm. I am also given the force between them.

227. ## spanish

1.hermano / hermana • 2. casado / casada • 3. yerno / esposo • 4. abuela / pez • 5. nuera / yerno • 6. sobrino / sobrina • 7. niño / mascota • 8. pájaro / hermano • 9. suegro / suegra • 10. novio / novia • 11. tío / suegro • 12.

228. ## Chemistry

SO3 is a ___ molecule that contains ___ bonds.

229. ## social studies

what are some collages in north carolina's mountain reigon?

230. ## physics

An artillery shell is launched on a flat, horizontal field at an angle of α = 31.5° with respect to the horizontal and with an initial speed of v0 = 266 m/s. What is the horizontal distance covered by the shell after 9.44 s of flight? What is the height

231. ## english

How can I fix this sentence? Julie should show her concerns toward the patient by asking, “How do you feel now?” or “If you have anything to share with me, I am happy to stay here with you and listen to your problems?”

232. ## algebra

2. The equation gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a. Solve this equation for h. b. Long’s Peak in the Rocky Mountain National Park, is 14,255 feet in elevation. How far can you see to the

233. ## math

(9+14)-8 divided by2= I am trying to help my child is the answer 19

234. ## social studies

at its point how wide is west podiatry from east to west

235. ## biology

list the paramecium, earthworm, and pumpkin stem according to their relative size from largest to smallest?

236. ## calculus

Use the function defined below to calculate the indicated derivative. f(t)= 4/(t^3)+3 what is f''(2) (second derivative) Need help!!

237. ## buisness

Think of a way Centura College Online could utilize one of the systems for decision making or control mentioned in this chapter to improve the way it educates students. Write a proposal (minimum of one page) to the School Director “selling” your idea.

238. ## algebra 1

Factor the expression: x^2 - x - 42 (x-7)*(x+6)?

239. ## geometry

if ef=2x-19, fg=3x-16, and eg=25, find the values of x, EF, and FG

240. ## CALCULUS

Let f(x)=x 2-x-12 (3) What power function approximates f(x)for large x?

241. ## science

how manyatoms are in CaCO3?

242. ## math

In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ? please help.

243. ## english

How can I fix this sentence? If Julie willingly listens to my mom’s health concerns and provides emotional support, the patient would feel very satisfied with the nurse’s care, and her pain may lessen.

244. ## math

how do i solve by factoring x^4+2x^2y^2+9y^4

245. ## physics

If a stone is thrown vertically up in a moving lorry,where will the stone fall? Explain.

246. ## math gr.6

Is the number 23 the only number between 20 and 28 that can't be divisible equally by 2,3,4, or 5

247. ## Biology

Why is phosphorus necessary for life?

248. ## phsics

An artillery shell is launched on a flat, horizontal field at an angle of α = 31.5° with respect to the horizontal and with an initial speed of v0 = 266 m/s. What is the horizontal distance covered by the shell after 9.44 s of flight? What is the height

249. ## pyschology

What are the differences between Carl Rogers Humanistic theory and Alfred Adler Individualism. What are the similarites between the two

250. ## math

2x^4-9x#+21x^2-26x+12/2x-3

251. ## math

2x^4-9x#+21x^2-26x+12/2x-3

252. ## calculus

With power series, is an endpoint convergent if you plug it back into the original series, and get an alternating series that is conditionally convergent?

253. ## physics

city of K is 27 km north of I. Head west at 11:00 in the morning and arrive at 8:30 in the evening. What is my average speed and velocity

254. ## math

what is the multiple of 120

255. ## physics

A stone is thrown horizontally at 30.0 {\rm m}/{\rm s} from the top of a very tall cliff. Calculate its horizontal position and vertical position at 2 {\rm s} intervals for the first 10.0 {\rm s}.

256. ## Sociology college

Hello ! I need help my homework Using a computer to create an ever changing, online yearbook of people with similar interests to oneself, and also using it as a means to develop a network of contacts is refer to as A) the second self B) cyber socialization

257. ## college physics

An airport worker needs to make it across a luggage belt in order to retrieve a stuck suitcase. The belt is moving with 1.6 m/s, and the worker can run with v=1.7 m/s. If he wants to make it straight across the d=2.3 m wide belt, how long will it take for

258. ## teaching

explain different ways to govern groups

259. ## math

2x^4-9x^3=21x^2-26x+12/2x-3

260. ## medical coding and billing

discuss coding or obstetrics, including items covered by the global fee for antepartum and pospartum periods of normal pregnancy

261. ## science

we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment. the experiment was like this : first we took an unknown substance than we have put some CuO , we mixed that two substances together

262. ## spanish2

what is the correct form of verb in this sentence " Hola, Carlos, que (hacer) esta tarde?

263. ## chemistry

urgent help needed!!! what is .0966 rounded to 2 significant digits? and why?

264. ## %

How do I find a dollar number plus 7.1% that will come close to $70.00 Here is what Im doing..I rent out packages that are$70.00 and I want to pay 7.1% sales tax out of that $70.00..What dollar amount do I use to add 7.1% to, to make it as close to$70.00

265. ## math

In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ? please help. Your answer was no but how do I do this problem?

-1/2-(-5/8)

267. ## math

(-6)^2-4^2 How wouLD I WORK THIS PROBLEM OUT

268. ## math

16?(-2)+(-4)/2^3+4 How would i work out this problem to get to the soultion

269. ## Jiska

So are most of the question-answerers on this site volunteers, or are they paid by the advertising?

270. ## Math

How do you find a perimeter

271. ## Math

Arrange the following fractions in decending order 2/5 7/10 3/20

272. ## English 125

Describe your feelings and use examples from at least two of the poems that elicited these or any other particular feelings.

273. ## medical records

You have been asked by one of the physicians to research information and recommend a quality control procedure for completing chart audits for the practice.What would you reccomend? Outline a possible procedure to conduct chart audits. Describe the quality

274. ## Research

What is a good way to do research on a person? Thanks

275. ## conpute

which of kurzweil predictions do you agree with

276. ## chem

What is the complex ion for NH3PO4 is it ionic or covalent?

277. ## math

can some one solve this Ex 1: -2x+7>22 -2x+7-7>22-7 -2x>15 -2x/(-2)22 16+7>22 23>22 It does make the inequality true so it looks as if I have solved correctly. So my solution is {x|x

278. ## math

the length of a rectangle is 9in. greater than the width.the area 36in.2 find the dimensions

I'm trying to graph each function for the given domain. Can you let me know if I'm on the right track or not? 3x-y=1;d:(-3,-1,0,4) I have -y=3x+1 x,y -3,12 -1,4 0,0 4,-16

280. ## MAth

Round to the nearest hundred and the nearest tenth. 625

hOW WOULD YOU FIGURE 3/10 OF \$3.50?? WOULD YOU DIVIDE BY 3? THANK YOU..

282. ## math

a square foot tile has a decorative line connected the diagonal corners. If the sides of the tile are 12 inches, what is the length of the diagonal to the nearest tenth?

283. ## physics

A bullet is shot straight down at a speed of 3.9 m/s. After 2.3 seconds, how fast is it moving? Use 10 m/s2 for gravity. Give answer in m/s.

284. ## math

let s be a positive number. Solve the following equation for x. √a^3√a^4√a^3=a^x

285. ## math

if a+b=3 and a^2+b^2=6, what is a^3 + b^3

286. ## social studies

hi my name is here and i need information about political map.

Lake Baikal is in southeast Siberia. I have to identify the adjectives. southeast

288. ## WORLD GEOGRAPHY

A LOW-LATITUDES AREA OF VERY LITTLE WIND IS KNOWN AS:

289. ## calculus

limit as x approaches 1 x^2-4/x-1

290. ## math

-3.38+r-9.76 Solve, I think the answer is 2/8.

291. ## math

In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ?

It is also one of the oldest lakes on earth. oldest-adjective Hundreds of animals are found only in Lake Baikal or the nearby area. hundreds-adjective nearby-adjective

293. ## math

if an area of a squared room is 196, then what are the dimensions?

What opportunitie are there for UK firms in China and India?

295. ## Computer Science

For MathMate: Mythical Man Ques. You answered my ques. several days ago, but I do not quite understand the answer. The ques. was as follows: If it took one person 3 months to make one quilt, why does it take 6 people four months to make one?

296. ## english

how does economical status effect the character of Toni Cada Bamtatas "The Lesson effect the character of the story

What is the communitive property.

298. ## social studies

the process of redrawing the boundaries of legislative districts is called what

299. ## statistics

What is the percent less than 73 if the mean is 60 and the standare deviation 7?

I'm really into reading about adventure, future, aliens, and something that just relates in with the world. A book like Indiana Jones that explains secrets about the world. I wanted to get the book Secret of the sands, but unfortunatley it's not in my

301. ## physics

An artillery shell is launched on a flat, horizontal field at an angle of α = 31.5° with respect to the horizontal and with an initial speed of v0 = 266 m/s. What is the horizontal distance covered by the shell after 9.44 s of flight? What is the height

If someone could please point me in the right direction on these questions? Please. And thanks in advance! 1.One of the reasons a critical reader would not reject the logic and validity of an argument is when the writer has extensive use of connotation.

303. ## spanish

what is novecientos dos

304. ## spanish

1 5:15 las cinco y curto 2 6:12 doce, despues de seis 3 7:40 viente hasta que ocho 4 3:55 hasta que cinco cuatro 5 1:15 trimestre despues de un 6 12:45 es la una menos cuatro 7 12:00 son las doce 8 2:25 vienticinco despues de dos 9 3:05 cinco despues de

305. ## EnGlIsH

hi there mm i have to put the meaning of thus sentence it about comparisons and contrast clues... Althought we had expected a multitud to come to the rally, only ten or fifteen people showed up. comparison/contrast Meaning:????

306. ## Sport

How do I explain using Newtons 3rd Law the nature of the reaction force which provides impulsion for a cyclist?

307. ## English

Can you ckeck if the following sentences are possible? Thank you very much. 1.I’m of average height and of average build. I’ve got average length dark wavy hair, a round face and a turned-up nose. I’m wearing a diamond-patterned sweat-shirt with

308. ## Biology

Is cyanobacteria cocci, spirilla, or bacilli shaped?

309. ## Sport

Why is the flight path of a shot putt different to that of a badminton shuttle using newtons third law of motion?

310. ## Physical Education

In your role within a structure discuss the importance of communication. Provide examples that you have used. (4)

311. ## English

I have to write Anecdote and I choose "you can always count on your friend" However my teacher said that Anecdote is not fictional and that it is something that happened you or someone you know. Well this happened to my friend and I wrote about it. I am

312. ## Science

Black coat colour in Labrador Retrievers is produced by the dominant B allele. Brown labs are homozygous recessive (bb). Duke, a black male, whose mother was brown, is mated with Shadow, a black female, who in a previous mating with another father produced

313. ## sport

Can you name and explain 3 factors (excluding air effects ) which should be utilised by a shot putter to optimise the distance thrown using newtons trird law of motion

314. ## sport

If air resistance is negligible what would the flight path of a shot from the moment of release to the moment immediately prior to landing look like using newtons 3rd law of motion?

315. ## math

Bill orders 8 pizzas, each with pepperoni (and possibly other toppings as well), and Howard orders 6 pizzas, each with sausage (and possibly other toppings as well). Without knowing precisely how many pizzas were ordered in total, what is the minimum

316. ## algebra 1

What is the area of a square with the dimension 1+square root of 3? a.4 b.4+2square root of 3 c.3square root of 3 d.5 B?

317. ## English

Hi, this the description paper I posted before except I changed it. I have to redo it. I took you guy's advice please check and correct me. Thanks. By the door, there paused an impatient low spirited woman. She was in her twenties and she had big, bright

318. ## math

Whats all the possible whole-number pairs of length and width for a rectangle with a perimeter of 18 meters? and how do i put it in a table/chart

319. ## college chemistry

given 3.650 l of a 1.75 M solution, what mass of calcium chloride is needed to prepare?

320. ## physics

a skier moving at 85 km/hr straight down a tall ountain having a 60 degrre slope. at what rate is his altitude decreasing?

321. ## physics

a car traveling at 7.0 m/s accelerates uniformly at 2.5 m/s to the 2nd power to reach a speed of 12.0 m/s. how long does it take for this acceleration to occur.?

322. ## english

What is another word for hallucination?

323. ## physics

what do you do to find a vector that balances another vector.