# Questions Asked onNovember 3, 2015

1. ## Biology

Which of the following is a NOT function of a vacuole? packing of materials transport of materials storage of materials breakdown of materials I'm confused. I know that vacuoles store materials, in other words, C is not correct since it's true. But the

2. ## help please english

1. Read the definition. Then match it to the correct plot element. the high point, or turning point, in the action of the plot (1 point) • rising action • climax • falling action • resolution 1 Chris and Taylor have been neighbors for years. During

3. ## Algebra

The perimeter of the rectangle is 112 units. Find the length of side PQ (bottom). . Write your answer without variables. SR (top): 4z-2 SP (side):3z+2

4. ## algebra

two mechanics worked on a car the first mechanic worked for 15 hours and the second mechanic worked for 5 hours together they charged a total of 1525 what was the rate charged per hour by each mechanic if the sum of the two rates was 175 per hour

5. ## Plzzz help me-----Career

1. Sally needs to gather information about careers from a print or media source. Which of the following would be a reliable resource for her? the Occupational Outlook Handbook*** Teen magazine Dateline NBC A&E's Dirty Jobs 2. Jim's mom is an accountant. He

6. ## Chemistry (Check)

PF3 reacts with XeF4 to give PF5 2PF3(g) + XeF4(s) --> 2PF5(g) + Xe(g) How many moles of PF5 can be produced from 100.0 grams of PF3 and 50.0 grams of XeF4? 100.0gPF3 x (1molePF3 / 87.96896gPF3) x (2molesPF5 / 2molesPF3) = 1.14molesPF5 50.0gXeF4 x

7. ## Plzzz help ----Career

Match the following terms with their definitions. A. using the connections among people to help one another reach important goals B. personal readiness and ability to take action C. a meeting in which you gather information from another person D. the total

8. ## math again helpp

0.6x + 0.8 = 1.4 Explain each step and identify the property

9. ## Math

an electrician needs to run a cable from the top of a 48-foot tower to a transmitter box located 20 feet away from the base of the tower. Find how long he should cut the cable.

10. ## Language Art's

1.)Reflect on the feedback you received from WriteToLearn™ about your comparison-and-contrast essay. Which traits are strongest in your comparison-and-contrast essay: ideas, organization, or conventions? Provide textual evidence from your

asked by YRN DJ
11. ## Entrepreneurship I

1. Describe 3 trends that you've noticed, and explain how each one might generate a small business opportunity. (3-6 sentences. 3.0 points) 2. Make a list of at least 5 business ideas that interest you. (2.0 points) 3. Explain which business idea from

12. ## physics

Two springs X and Y have spring constants k and 2k respectively.Spring X is stretched by a force F and spring Y is stretched by a force 2F. Each spring obeysHooke’s law during the extension.The work done in stretching spring X is WX and the work done in

13. ## geometry

A fire hydrant that is 1.5 feet high casts a shadow that is 2.5 feet long. At the same time of day, a lamppost casts a shadow 15 feet long. What is the height of the lamppost?

14. ## Math

Ellen has a bag with 3 red marbles and 2 blue marbles in it. She is going to randomly draw a marble from the bag 300300300 times, putting the marble back in the bag after each draw.

asked by Kalesia Barren
15. ## physics

A flywheel comprises a uniform circular disk with a moment of inertia of 64.13 Kg m2. It rotates with an angular velocity of 1106. rpm. A constant tangential force is applied at a radial distance of 0.400 m. What energy (in Kilo Joule) must this force

16. ## chemistry

C3H6O + 4O2 --> 3CO2(g) + 3H2O(g) deltaH= -1790kJ the density of C3H6O is 0.79g/mL. HOw much heat is released by the combustion of 150mL of acetone?

17. ## math

The displacement (in meters) of a particle moving in a straight line is given by s = 4 t^3 where t is measured in seconds. Find the average velocity of the particle over the time interval [ 7 , 9]. Find the (instantaneous) velocity of the particle when t =

18. ## English

How do you pronounce "Stepanek" in Mattie Stepanek?

19. ## math

Question: A football team lost 9 yards on its first play. On the next two plays they gained 3 yards and then 6 yards. A. What expression can be written to represent how many yards the football team is from where it started? Explain your reasoning. B. How

20. ## St.therese'sSchool padrauna

Ravish Saves 15 % Of his pocket money which is Rs 500 per month. How much is his pocket money? How can to solve this Question

21. ## mathematies

a car travels 175km in 7/2 hours and how far will it travel in 3/2hours

22. ## Art- plzz help

In this image with the trash can, the principles of design 1. Emphasize the message through color and shape 2distract the viewer from the message 3.were created through strong use of texture 4. communicate the message with a large variety of lines. The

asked by China one
23. ## Statistics

Describe a situation in which you would test a directional hypothesis. Be sure to state the independent variables (e.g., drug or placebo) and the dependent variables (e.g., weight loss) clearly and explain why the hypothesis is directional. Then, revise

24. ## 6th grade math ratios

The table shows the length of four tracks on an album and the total number of beats in that song. Album Track Length (min:sec) Total Beats Track 1 3:44 332 Track 2 4:36 387 Track 3 4:12 365 Track 4 3:49 328 Place the tracks in order from least to greatest

25. ## Math

Lindsay has 10 inches of ribbon. She buys another three lengths of ribbon, each 5 inches long. How much ribbon does she have now?

26. ## atbu bauchi

when the angle of elevation is 30 degree the shadow of a vertical tower is 20m longer than when the elevation of the sun is 60 degree.find the height of the tower

asked by sunday daniel
27. ## highlands

there were 149 angelfish and goldfish in an aquarium. there were twice as many guppies as angelfish. after selling 35 goldfish there are half as many goldfish as angelfish. how many fish are left in the aquarium

28. ## Math

The length of a rectangle is 8 meters less than 5 times its width. if the perimeter of the rectangle is at most 104 meters, find the greatest possible width of the rectangle.

32. ## Calc

Consider the table of data for the function g(x),below: x: 2.9, 2.99, 2.999, 3.01, 3.1 g(x):4.41, 4.9401, 4.994, -5.006, -5.0601, -5.61 From the data given, it would apPear the lim g(X) x--> 3 is likely to be: A. 3 B. -5 C. Does not exist D. 5 E. -5.61 I

33. ## Pysics

the time required for a car to accelerate from rest to 8.3m/s at 0.75m/s^2 (meters per second cubed) is....?

34. ## Maths urgent

a sum of money is invested for 3 years at a certain rate of interest. had the rate of interest been 1% more, it would have fetched rs 18 more than before. find the sum invested?

asked by Rabinprakash Dahal
35. ## MATH

Find all values of p such that 2(x+4)(x-2p) has a minimum value of -18. (AoPS, Please show steps)

36. ## Heating different volumes of water

Is there a difference between heating 50 mL of water to a given temperature, and heating 100 mL of water to the same given temperature but then removing 50 mL?

37. ## healthy

for each definition below choose the key term that best matches the definition

asked by Jose Alfaro
38. ## Chemistry VERY URGENT PLEASE

A) NaOH(s) > NaOH(aq) B) NaOH(s) + HCl(aq) > NaCl(aq) + H2O(l) C) NaOH(aq) + HCl(aq) > NaCl(aq) + H2O(l) Examine the 3 reaction equations, and determine the relationship between them. Demonstrate this relationship by combining the equations in a manner

39. ## math

A conical water tank with vertex down has a radius of 13 feet at the top and is 28 feet high. If water flows into the tank at a rate of 10 {\rm ft}^3{\rm /min}, how fast is the depth of the water increasing when the water is 17 feet deep?

40. ## algebra or algebra1

What is the area of the triangle whose vertices are (−4, 0), (−10, 0) and (−7, −6)

41. ## Math

A boat pilot wishes to go in a straight line across a river from the east dock to the west dock in a ferryboat that has a still water speed 8.0 knots. If the river has a Southward current of 2.5 knots, what compass heading should be maintaned while

42. ## Algebra 1

Task 2 In Task 1 you determined how much of your own money you’re willing to spend to get your business started. This is your limit—when making your product you can’t exceed this amount. a. Write an inequality that represents the fact that while

43. ## physics

You drop a 1.90 kg book to a friend who stands on the ground at distance D = 11.8 m below with outstretched hands at distance d = 1.42 m above the ground. a)What is the speed of the book when it reaches the hands? b)If we substituted a second book with

44. ## Algebra

1. Find the slope of a line that passes through (-2 -3) and (1 1). a. 1/3 b. 1 c. 2 d. 4/2 2. For the equation -4y=8x, what is the constant of variation? a. -4 b. -2 c. 1 d. 2 3. What is an equation in slope-intercept form for the line that passes through

45. ## Spanish II

Fill in the blank with the correct conjugation of the verb in parentheses. ¿Cuándo (regresar) mi tía de México? A)regresamos B)regresan C)regreso D)regresa (There are more, help needed before Friday please.)

46. ## math

If an arrow is shot straight upward on the moon with a velocity of 73 m/s, its height (in meters) after t seconds is given by s(t) = 73 t - 0.83 t^2. (A) What is the velocity of the arrow (include units) after 5 seconds? (B) How long will it take for the

47. ## math

GEOMETRY The formula for the perimeter of a rectangle is P = 2 + 2w, where is the length and w is the width. A rectangle has a perimeter of 24 inches. Find its dimensions if its length is 3 inches greater than its width.

48. ## Physics

A sprinter accelerates at the start of the race at 8.5 m/s^2. After 1.3 seconds the sprinter runs the rest of the 100m race at a constant velocity. What was the sprinter's time at the finish line?

19 = h/3 -8

50. ## math

A boat pilot wishes to go in a straight line across a river from the east dock to the west dock in a ferryboat that has a still water speed 8.0 knots. If the river has a Southward current of 2.5 knots, what compass heading should be maintaned while

51. ## Math

The temperature on a cold December morning dropped from 37 degrees to -4 degrees. How many degrees did the temperature fall?

52. ## Math

Justin had 5 packages with 8 bottles of water in each package. He drank some of the bottles before the trip. During the trip, he drank 5 bottles a day. He drank all of the bottles before he went home. How many bottles of water did Justin drink before the

53. ## math

The total land area for the United States is 3537438.98 square miles what is the value rounded to the nearest thousand square miles?

54. ## Math

How do I rewrite this as a radical expression? (3 2/3) 1/6

55. ## science

If 0.188 moles of zinc reacts with excess lead(IV) sulfate, how many grams of zinc sulfate would be produced in the following reaction?

56. ## English

Is Willy Wonka in Charlie and the Chocolate Factory considered a social outcast in the movie? I have to write an essay but we didn't watch the whole movie so I was just wondering to anyone who has seen it.

57. ## science

If 0.188 moles of zinc reacts with excess lead(IV) sulfate, how many grams of zinc sulfate would be produced in the following reaction?

58. ## math

to win the lotto you must choose six different numbers from 1 to 44 to match the same numbers drawn. the order of the numbers does not matter. what is the probability of winning

59. ## chem

Consider the unbalanced reaction CO + H2O > CH4 + O2. All reactants in the gas phase. Calculate the H per mole of H2O reacted.

60. ## HS English

VERB ADJ NOUN PRO VERB PHRASE Identify the poem you will analyze, CONJ VERB PRO VERB PRO and explain why you chose it.

61. ## Math

What is 50 percent of 84

62. ## Physics

A ball is projected horizontally from the edge of a table that is 0.465 m high, and it strikes the floor at a point 1.04 m from the base of the table. gravity is 9.8 m/s the initial speed of the ball is 3.376042 m/s ~How high is the ball above the floor

63. ## algebra

At a banquet the ratio if the number of boys to the number of girls is 5:3. Halfway tjrough the banquet 20 boys leave and the ratio bexomes 5:4. How many girls are at thebbanquet?

64. ## Umbonje secondary school

A horizontal force F is applied to a crate,causing it to move over a rough horizontal surface,the kinetic frictional force between the crate and the surface on which it is moving depends on....the applied force

65. ## math

on two tests so far this year a student received a 78 and a 93 the student want an average between 80 and 90 inclusive what are all of the possible scores for the third test so that the student falls within this average

66. ## Pre-Calc

The travel time between two cities is inversely proportional to the average speed. A train travels between the cities in 3 hours at an average speed of 65mph. How lone would it take to travel between the cities at an average speed of 80 mph?

67. ## U.S. History

1) How did eugenics reinforce nativist ideals? A: Eugenics fueled the nativists' argument for the superiority of the "original" American stock--white Protestants of northern European descent. 2) What political, social, and economic contributions did women

68. ## physics

A 2kg rock is thrown downward from a height of 3 meters with an initial velocity of 4 m/s. Just before it hits the ground its speed is _____.

69. ## Physics

A bomber flies horizontally with a speed of 175 m/s relative to the ground. The altitude of the bomber is 4780 m and the terrain is level. Neglect the effects of air resistance. gravity is 9.8 m/s a) How far from the point vertically under the point of

70. ## Physics

Two particles, of mass m and mass nm, undergo a head-on, fully elastic collision. (Here n is just a unitless number.) Before colliding the particles approach one another with equal speed v. Snapshots of the particles before, during, and after the collision

71. ## how much?

how much paragraphs does a compare and contrast essay need?

72. ## Math

Mr. Niles has a box of accessories for clarinets. He has a total of 42 objects. He has 12 mouthpieces. He has four times as many reeds as neck straps. How many of each object does he have? I tried so hard but I just didn't understand it and I am in fifth

73. ## Physics

Since friction is a force, how do you determine its magnitude and direction? Use a box sliding across a carpet to illustrate your answer

74. ## Physical

How does the static friction between the box and the carpet in Question 5 compare to the kinetic friction as the box is sliding across the carpet?

75. ## science

Water is useful for reducing friction between objects. However you also learned that (due to friction) moving water causes rough rocks to become smooth. How can this be?

76. ## math

4. From your equation, find the European equivalent for U. S. size 8. equation~ m = (y2 – y1) / (x2 – x1) m = (39-34) / (5-3) m = 5/2 b=26.5 Equation = y=5/2x+26.5 Can someone please help me answer this? I have a graph if you need it... ps thank you

77. ## U.S. History

1) What was Vladimir Lenin's first goal after controlling Russia in 1917? A: Vladimir Lenin's first goal after controlling Russia in 1917 was to pull Russia out of World War I and concentrate on establishing a Communist state. 2) What major issues did

78. ## Physics

A car starts rolling down a 1-in-8 hill (1-in-8 means that for each 8 m traveled along the road, the elevation change is 1 m). A) How fast is it going when it reaches the bottom after traveling 90 m ? Assume an effective coefficient of friction equal to

79. ## Language arts

1. Which of the following sentences uses the past perfect verb tense. A) By June, I will have owned the camera shop for a decade. B) After it was sold, I had owned the camera shop for 12 year as C) I cannot recall a time when I have not owned some kind of

80. ## Sixth grade math

The sum is 1.7 and the product is 6.3. What are the numbers?

81. ## math

There are 40 vehicles in a parking lot. Twenty percent of the vehicles are pickup trucks. How many pickup trucks are in the parking lot?

82. ## SCIENCE

WHAT IS BELIEVEED TO CAUSE PLATE TECTONICS MOVE?

83. ## SCIENCE

what is the difference between a continental plate and an ocean plate?

84. ## Algebra 2

Show two steps to simplify each of the following expressions, and then calculate the value of each expression. 25 exponent 5/2 81 exponent 7/4

85. ## Biology

What must a cell membrane have imbedded in it to allow facilitated diffusion to happen

86. ## Math

Describe a real-world problem that can be solved using the expression 29 divided by (3/8 + 5/6). Find the answer in the context of the situation. Please help! Due tomorrow. I would really appreciate it!

asked by Secret Student
87. ## Math

Semester A Unit 4 Lesson 5: Cool Crafts Portfolio Template Choose a room you would like to decorate: My Bed room Measure the length of one wall in inches: 72 2. Choose a size of paper to use. *I recommend just using a standard 8.5 inch by 11 inch piece of

88. ## math

on two tests so far this year a student received a 78 and a 93 the student want an average between 80 and 90 inclusive what are all of the possible scores for the third test so that the student falls within this average I don't understand what you said

89. ## Career Help

Compare/contrast your personality, traits, skills, and liabilities with those of a successful entrepreneur. What do I need to do in this? Thanks

90. ## love and hate

what is the similarity difference between love and hate?

91. ## Math

PLEASE HELP ME! You are measuring walnuts for banana walnut oatmeal and a spinach and walnut salad. You need 3/8 cup of walnuts for the oatmeal and 3/4 cup of walnuts for the salad. You have a 1/4-cup scoop. Describe two different ways to find how many

asked by Secret Student
92. ## Pre Algebra

5. Find the length of a right triangle with legs of 5 ft. and 12 ft. A 11 Ft B 13 Ft C 17 Ft D 60 Ft 9. which of these nonterminating decimals can be converted into a rational number? A 0.48907542... b 0.02020202... C 0.92589542... D 0.10203040... 5.C 9.A

93. ## Career Help

My Question:- Give at least 2 examples of good questions to ask in an informational interview. My answer:- 1. How many hours do you work in a typical week? 2. Why do people leave this field or company? Are these 2 good examples to ask in an informational

94. ## math

Find the product of 27×60. Then explain how you would use mental math to find the product of 27×600

95. ## Math 5th

What is 9/9-2/3

96. ## math

what is 20/30 in lowest term

97. ## Science

a tank 2m high is half filled with water and then filled to the top with oil of density 0.8 g/cc . what is the pressure at the bottom of the tank? g= 10m/s2

98. ## MIS

I need help with this question please. Imagine that you are developing the rules for an expert system to select the strongest candidates for a medical school. What rules or heuristics would you include?

99. ## Science

2 racing cars of masses m1 and m2 are moving in circles of radii r1 and r2 respectively. Their speeds are such that each makes a complete circle in same time t. The ratio of Angular speed of the first car to the second car is?

100. ## 8th grade algebra

Hello! I was working on a maths thing and I'm a bit lost on this one problem, would anyone mind explaining how to do this? ~A recipe called for 2 cups of flour to make two dozen (24) cookies. Write and solve a proportion to find how much flour is needed to

asked by Walrus King
101. ## AP Chemistry

At 25 degrees C, a sample of NH3( molar mass 17 g) effuses at the rate of .050 mole per minute. Under the same conditions, which of the following gases effuses at approxiomatesly half that rate? A- O2 B- He2 C-CO2 D-CI2 E-CH4

102. ## Math

This is a quick one. What is 1 1/8 divided by 1/4? Due tmrw asap.

asked by Secret Student
103. ## Math

While rummaging through the attic

104. ## Physics

A uniform ladder of mass m is 2.5 m long. Its upper end leans against a frictionless wall. The coefficient of static friction between the ladder and the floor is 0.58. How far from the wall can the lower end be placed before the ladder starts to slip?

105. ## Math

What is -7 3/8 - (-1 7/12)?

106. ## Social Studies

-Explain the advantages and disadvantages you discovered for interdependence. Include example from the past and present of interdependence in Central America. -Explain the advantage and disadvantages of independence. Include examples from the past and

107. ## LA check work

Hello could you check my work on these two questions? Question one: How do you form the perfect tense of a verb? A. use the helping verb will and the base form of the verb B. use a form of the verb have and the present particle of the verb C. use a form of

108. ## math

whatis 3/4 divided by 2

109. ## algebra

Part A: Darla rented a room for 3 days at $285.00 per day. If she rents the same room for 6 days, it would cost$510. Write an equation in the standard form to represent the total rent (y) that Darla has to pay for renting the room for x amount of days. (4

110. ## Chemistry

The thermite reaction, used to weld rails together in the building of railroads, is described by the following equation. Fe2O3(s) + 2Al(s) --> Al2O3(s) + 2Fe(l) Calculate the mass of iron metal that can be prepared from 150 grams of aluminum and 250 grams

111. ## intro to computers

which option below represents a task that can be conducted in Excel through sorting? A. showing all cells that have a number that ends with a 5 B. showing all cells that have nothing in them. C. showing all cells that have the word "widget" in them. D.

112. ## History

1) Following Reconstruction, Democrats returned to power in the former Confederate states and renewed the social and political oppression of southern African Americans. What was one result of this situation? A) African Americans became farm workers in the

113. ## math

how do you convert pounds into liters?

114. ## math

when making a batch of orange juice for her basketball team, Jackie used 5 time as much water as concentrate, There were 32 more cups of water than concentrate.How much juice did she make in all. She poured the juice into quart containers. How many

115. ## math

Which measurement is the best estimate for the length of a clothespin? a.9 mm. b.9 cm. c.9 m. d.9 km.

116. ## Biology

Will a channel protein allow any molecule to pass through it

117. ## Math

What's -6 + 2/12? Could you please show your steps? Thank you! :)

118. ## Probability

A card is drawn from a standard deck. What is the probability that the card is less than 7, given that the card is not a face card? (Assume that ace is high, and that aces are not face cards.) A: .4165 B: .3846 C: .2959 D: .6 E: .5 F: None of these

119. ## Nm juniour clg,rkl

A 20gm bullet collision is fired horizontaly into a 5kg block of wood.suspended by a long spring.The bullet gets embedded in the block and the block at the hole swing 15cm above in intial level.calculate the velocity of bullet?

120. ## Physics

An athlete swings a 3.06 kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.82 m at an angular speed of 0.25 rev/s. What is the tangential speed of the ball? Answer in units of m/s.

121. ## Pre-Calculus

You are taking a flight from Daytona Beach to St. Louis. There is a stopover in Atlanta. The bearing from Daytona Beach to Atlanta is N 38.3 degrees W. The bearing from Dayton directly to St. Louis is N 43.4 degrees W. The distance of the first leg of the

122. ## English

A verb phrase that acts as a noun is called a(n) participal adverbial infinitive gerund Which of the following is a prepositional phrase in the sentence below? (Applause came from the bleachers.) Applause came came from from from the bleachers My answers:

123. ## Math

Suppose a planet has a radius of 5,000 km. Starting at the point on its surface at 0 degrees longitude and 0 degrees latitude,find the distance to the point on its surface at 30 degrees longitude and 60 degrees latitude

asked by Student AC

173. ## science

I WANT TO KNOW MOLARITY OF BENEDICT'S REAGENT FOR TITRATION .. BOTTLE CONSISTS OF 500ML BENEDICT'S REAGENT. PLZZ HELP

asked by ishween kaur
174. ## Math

75Kg 568g - 8kg 959g —————— 66kg 609g Is it correct

175. ## PHYSICS

A hiker, who weighs 976 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 4350 N, and rests on two concrete supports, one on each end. He stops 1/3 of the way along the bridge. What is the magnitude of

176. ## math

Can somebody express this in terms of q,E,I,L,P. d^2v / dx^2 = -P(l-x)-((q*(l-x)^2)/2) / (E*I)

177. ## maths

if the 4th term of an arithmetic sequence is 9 and the 8th term is 19

178. ## Calculus 1

a power station needs to supply power lines to a location 10 miles downstream and on the other side of a river that is 0.75 miles wide. Power lines cost $7 per foot on land and$10 per foot under water. What is the most economical path? What is the minimum

179. ## U.S. History (Ms. Sue)

1) List the four nations that dominated the Paris peace confederence in 1919. A: The four nations that dominated the Paris peace confederence in 1919 were the United States, Great Britain, France, and Italy. 2) Why did President Wilson propose his Fourteen

180. ## math

Can somebody express this in terms of q,E,I,L,P. d^2v / dx^2 = -(((P/L)*(l-x)^2)/2) / (E*I)

181. ## Algebra

For the function f(x) = 5/x+4 find the average rate of change of f from 1 to x:

182. ## physics

A spherically symmetric object, with radius R = 0.700 m and mass M = 1.90 kg, rolls without slipping across a horizontal floor, with velocity V = 1.200 m/s. It then rolls up an incline with an angle of inclination θ = 40.0 deg and comes to rest a distance

183. ## Geometry

Question:Ray BD bisects

184. ## Algebra

The perimeter of the triangle is 49 units. Find the value of y. Side A: y+3 Side B: 4y-2 Side C: 3y

185. ## Math

If Nicholas is located at (-3,2) what is the distance to get to the grocery store? Grocery store coordinates: (-1,1) 2 3 4 5****

186. ## Algebra help fast

In 2009, the total population of North Carolina was 2,890,425 people. What was the population in scientific notation, approximately? 2.9 x 10^5 2.9 x 10^6 2.9 x 10^7 29 x 10^7 2.9 x 10^6 right?

187. ## math

Write the equation in slope-intercept form of the line that passes through the point (-3, 5) and has a slope of 2/3.

188. ## georgia state history

Which of the following was an advantage of the south at the beginning of the civil war A. The south had agriculture products to provide food for the army B. The south had many factories that created superior machinery C. The south had a more advanced fleet

189. ## AP 1 Physics

A motorcycle has a constant speed of 25.0 m/s as it passes over the top of a hill whose radius of curvature is 144 m. The mass of the motorcycle and driver is 326 kg. Find the magnitudes of the following. Centripetal force: mv^2/r = 1414.93 N Normal force:

190. ## Chemistry

Describe how you would prepare 500 mL of a 0.10 M solution of HCl from a 12.0 M solution of HCl.

191. ## mechanics

You have 1kg of aluminum (E=69GPa) to make a cylindrical tube with a high Euler buckling load. The tube must have a length L of 0.5m. You can either make a solid tube, or a thin walled tube with a wall thickness, t=0.5cm. The density of aluminum is

192. ## Calc

Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 6.5 {\rm mi}^2{\rm /hr}. How rapidly is radius of the spill increasing when the area is 10 {\rm mi}^2? The radius is increasing at

193. ## math

please help me with this!!! How can I rewrite this as a rational exponent? 3 square root 2^7 Thanks

194. ## MATH :|

-Hey I know this is my fourth time posting this but, I have figured a lot on my own. But I have no idea what to do for the "Analyze it" questions. Semester A Unit 4 Lesson 5: Cool Crafts Portfolio Template Choose a room you would like to decorate: _My Bed

195. ## Shea middle school

John oversleeps and misses the bus by 1 hour. He takes taxi to catch up to the bus. The taxi travels at an average speed of 100 km/h. At what time does the taxi catch up to the bus?

196. ## PHYSICS

Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the sun. Assume that the earth is a uniform sphere and that its path around the sun is circular. For comparison, the total energy used

197. ## Math

1. Quinn spent $16.49 for 3 magazines and 4 sheets of stickers. The magazines cost$3.99 each and the sales tax was $1.02. Quinn also used a coupon for$1.50 off her purchase. If each sheet of stickers had the same cost, how much did each sheet of stickers

198. ## history

farming changed the people lived because it led to )how to cultivate plants )how to hunt native animals )how to train horses )how to prepare new foods#####

199. ## Math

Your doctor told you to eat 25 grams of fiber each day. You had 4 grams of fiber for breakfast. What percent of the 25 grams of fiber have you eaten so far?

200. ## ALGEBRA

CHLOR PURCHASED A BOTTLE OF PERFUME FOR \$1.60 PER 0.01 ONUNCE. WHAT IS THE UNIT C0ST OF THE PERFUME 1.60 DIVIDED BY 0.01=

201. ## social studies

12. Why were the native Americans so important in the clash between the french and the British explain which side french of British received the best advantage with the native Americans provide evidence supporting your reason for selecting that side. I

202. ## math

most characters at disney world have a height requirement between 4ft and 6ft. find the percetage of women metting the requirement if M= 63.8 in and q = 2.4 in

203. ## A. social studies urgent PLEEEEAAAAAASSSE HELP!!!

12. Why were the native Americans so important in the clash between the french and the British explain which side french of British received the best advantage with the native Americans provide evidence supporting your reason for selecting that side. I

204. ## Chemistry (Check)

How many grams of NaOH are in 500 mLm of a 0.50M solution? 500mL --> .5L MM NaOH = 39.997g M x V = n .5 x .5 = .25moleNaOH .25moleNaOH x (39.99711gNaOH / 1moleNaOH) = 10.gNaOH Is this right? If not, what am I doing wrong?

205. ## maths

School for jan started at 9:00am finished at 3:00pm.If Jan knew she was 2/3 of the ay through the school, what time was it then?

206. ## natural science

usingbisection method and fp,evaluat the solution set of x3-4x-9

207. ## History

What was Harriet Tubman rebelling against?

208. ## Chemistry (Check and Help)

Which is more concentrated, 500mL of a .20M solution of NaCl or 250mL of a .25M solution of NaCl? MMNaCl = 58.44247 M x V = n .5L x .2M = .1moleNaCl .1moleNaCl x (58.44247gNaCl / 1moleNaCl) = 6gNaCl .25L x .25M = .0625moleNaCl .0625moleNaCl x

209. ## PHYSICS

A thin rod has a length of 0.339 m and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. The rod has an angular velocity of 0.687 rad/s and a moment of inertia of 1.03 x 10-3 kg·m2. A

210. ## health

What are the long-term benefits of smoking cessation? A. Decreased risk of stroke B. Decreased risk of lung and other cancers C. Decreased risk of coronary heart disease D. All of the above

211. ## precalculus

For what values of b will the line y=2x+b be tangent to the circle x^2+y^2=9?

212. ## Math

write the following equation in slope intercept form 3x+4y=12 I'm lost on this question

213. ## chem

When balancing the following, what is being reduced, what are the reducing agents, and what is the initial and final oxidation states of the reduction agent? Fe3O4(s) + C(s) > CO2 (g) + Fe

214. ## math

A Circular flower bed is surrounded by a path 5 m wide. The diameter of flower bed is 65 m. What is the area of the path?

asked by Gautam Jha
215. ## Chemistry (Check)

How many grams of NaOH are in 500mL of a 0.50 M solution? 500mL=.5L MM NaOH = 39.99711g M x V = n 0.5 x 0.5 = .25moleNaOH .25moleNaOH x (39.99711gNaOH / 1moleNaOH) = 10.gNaOH Is this right? If not, please tell me what I did wrong.

216. ## Health

Typically, a heroin abuser may inject up to ________ a day. A. 10 times B. 7 times C. 2 times D. 4 times I think D?

217. ## Math

Is |5|and |-5|equal? Its really hard to figure out.

218. ## chem

Assume that the atomic diameter of an atom of element X is 2A and that 1.0 x 10(16th) atoms are arranged in a simple 2D square array. What is the length of each side in cm?

219. ## chem

The mystery compound CxHy is completely reacted with O2 to yield 44 gr CO2 and 18gr H2O. What is the empirical formula of CxHy? I got : C1H2 How much O2 in grams was used in this reaction??

220. ## U.S. History Answer Check (Ms. Sue)

1) How did eugenics reinforce nativist ideals? A: Eugenics fueled the nativists' argument for the superiority of the "original" American stock--white Protestants of northern European descent. 2) What political, social, and economic contributions did women

221. ## intro to computer programming

I need help with my Java homework! Write a program that calculates a customer's monthly bill. It should ask the user via dialog box to enter the letter of the package the customer has purchased (A, B, or C) and the number of hours that were used. It should

222. ## math

At a school there are 704 chairs to place into 22 classes if the same number of chairs are placed in each class rooms how many chairs will be in each room? So I divided 704 by 22 and came up with 32 chairs and I correct.

223. ## bennet middle school

Two times the quantity of fifteen divided by a number n

224. ## U.S. History Answer Check (Ms. Sue)

1) What was Vladimir Lenin's first goal after controlling Russia in 1917? A: Vladimir Lenin's first goal after controlling Russia in 1917 was to pull Russia out of World War I and concentrate on establishing a Communist state. 2) What major issues did

225. ## math

How many gold coins are you there in a jar of 90 coins , if there are 1/4 as many silver coins as gold coins?

asked by sajivan lal
226. ## Math

Spent half of her money then 10 more, went to second store, spent half the money she had left and then 10 more. No money left over how much did she have

227. ## manegment

a company issues debentures of rs 100000 and realises rs 98000 after allowing 2% commision to broken . the debentures carry an intrest rate of 10%. the debentures are redeemable at the end of 10 th year.calculate cost of debentures before tax.

228. ## Algebra

Graph the solution of the inequality. x

229. ## math

an aircraft with an airspeed of 295km/hr is heading south. wind blowing from East at 30km/hr is against the aircraft. 1) sketch the information clearly showing all angles and vectors. 2) calculate the resultant speed and direction of the aircraft

230. ## math

Can somebody express this in terms of q,E,I,L,P. d^2v / dx^2 = -P(l-x)-((q*(l-x)^2)/2) / (E*I)

231. ## math

Next question: Can somebody express this in terms of q,E,I,L,P. d^2v / dx^2 = -(((P/L)*(l-x)^2)/2) / (E*I)

232. ## Chemistry.

Mg+2HCl--->MgCl2+H2 Using the balanced equation, how many moles of H2 will you make if you start with .00082 moles of Mg solid? How many grams of H2 is that?

233. ## plz anyone?

I have to write a comparison and contrast essay. can you give me ideas on what to compare and contrast plz anyone.

234. ## Math

Indira and Jean begin their hike at 10 a.m. one morning. They plan to hike from the 2 2/5-mile marker to the 8 1/10-mile marker along the trail. They plan to hike at an average speed of 3 miles per hour. Will they reach 8 1/10-mile marker by noon? Explain

asked by Secret Student
235. ## Chemistry (Help)

0.275gAgNO3 is dissolved in 500mL of solution. a. What is the molarity of this solution. b. If 10.0 mL of this solution are transferred to a flask and diluted to 500mL, what is the concentration of the resulting solution? c. If 10.0mL of the solution in