# Questions Asked onMay 9, 2013

1. ## World Geography

1. During the late 18th and mid-19th centuries, Europeans and North Americans were attracted to nearby coastal waters due to potential economic gains from? A.) Catching trout and cod fish. B.) Catching seals and whales. C.) Shipbuilding. D.) Finding riches

2. ## Physics

A block of mass m = 2.80kg is held in equilibrium on a frictionless incline of angle= 56.6 by the horizontal force F. (a) Determine the value of F.(b) Determine the normal force exerted by the incline on the block. Hint: Draw a free-body diagram of the

3. ## Math

n: 2, 4, 6 m: -6, -12, -16 Which function rule would help you find the values in the table. m = -3n m = n - 6 m = n -3 m = -6n

4. ## Chem 110

supposed that a liter of sample water contains 1.00 mmol of Ca2+ ions and 1.50 mmol HCO3- ions. how many millimoles of CaCO3 will precipitate if this water is boiled for 15 mins?

5. ## math

A 14-gram object has a volume of 35 cubic centimeters. Find its density.

6. ## Chemistry

What's is the concentration of silver ions in a saturated solution of silver carbonate? The k^sp of Ag2CO3 is 8.1x10^ -12. Is the answer 5.88x10^-8? I have a test tomorrow and I really need to make sure I'm doing these problems right, but I feel like I am

7. ## Statistics

1. A study of 40 people found that they could do on the average15 pull ups with a standard deviation of .6. Find the 99% confidence interval for the mean of the population. 2. A study of 50 pizza delivery workers found that they could make 6 deliveries per

8. ## Math

When Sarah takes the bus to work, the trip takes 30 minutes. When she takes the train to work, the trip takes 20 minutes. The average speed to the train is 15 mph faster than the speed of the bus. Find the distance to work.

9. ## Social studies

whats a 7th grade social studies word that begins with Y?

Which of the following is the strongest reducing agent? a) Li+ b) Zn c) Sn d) H2 Is it Li? Can someone please explain what the answer is and why?

11. ## math

Leila, Larry, and Cindy are running for 12th grade class offices. They will be named to the positions of president, vice-president, and secretary according to the number of votes each receives. The person with the most votes will be president, the person

12. ## life orientation

The practice of high risk sexual behaviour amongst teenagers.describe The lifestyle disease/behaviour.mention 5(or more)factors that contributes the disease/behaviour

13. ## math

the function rule C = 10n + 26 relates the number of people n who attend a small concert to the cost in dollars C of the concert. Make a table of the input/output pairs to show the cost if 27, 39, and 43 people attend. Please help me i don't know how to do

14. ## math

A limited access highway had an access reduction and lost 1/13 of its exits. If 264 of its exits were left after the reduction how many exits were there originally?

15. ## Physics

Sphere A, with a charge of +64 C, is positioned at the origin. A second sphere, B, with a charge of -16 C, is placed at +1.00 on the x-axis. Where must a third sphere, C, of charge +12 C, be placed so that there is no net force on it?

16. ## math

The student council has a canned food drive. They collected a total of 63 cans on Wednesday. This is 21% of the total. How many canned goods were collected in all?

17. ## Accounting

On August 31,2010, Chickasaw Industries issued \$25 million of its 30-year, 6% convertible bonds dated August 31, priced to yield 5%. The bonds are convertible at the option of the investors into 1,500,000 shares of Chickasaw's common stock. Chickasaw

18. ## math

a bag contains 3 blue marbles , and 9 green marbles , and 11 yellow marbles . Twice you draw a marble and replace it . Find P(blue then green) a) 27/529 b) 27/23 c) 15/529 d) 12/23

Which pair of ions will be most likely to react at standard state conditions? a) MnO4- and Sn2+ b) Zn2+ and Cl- c) I- and Cu d) Fe3+ and Cu2+

20. ## Chemistry

1.What mass of NaOH(s) must be added to 300 mL of HCl 0.25 M in order to completely neutralize this acid? 2.During a lab, you mix 2 solutions: a 100 ml solution containing 0.40 g of NaOH and a 100 mL solution containing 0.73 g of HCl. What is the

21. ## geometry

find acute angles A and B satisfying cot(A+B)=1 , cosec (A-B)=2

22. ## Trig

Verify the identity. (secx + tanx)/(secx - tanx) = (1 + 2sinx + sin(^2)x)/cos(^2)x

23. ## Statistics

A study in a particular state found that only 5% of the voters have Doctoral degrees. In a random sample of 200 voters, let x be the number who have doctoral degrees. 6) Find the mean of x. 7) Find the standard deviation of x. 8) Find the z-score for x >

24. ## algebra 1

Madison is making a vinaigrette for her catering service using olive oil that costs forty cent per ounce and apple cider vinegar that costs twenty-five cents an ounce.The ideal batch of vinaigrette has 25% vinegar.If she has already combined 3 cups of

25. ## math

according to the school survey, 12% of the students at rockwood junion high school seak spanish. There are 36 students at the school who speak spanish. How many students were surveyed?

26. ## chemistry

a)Calculate the pH of a solution of 0.75 M HNO3, which is a strong acid. b)Calculate the pH of a 1.0 L aqueous solution made from 0.80 mol CH3COOH and 0.20 mol KCH3COO (Ka = 1.8 x 10^-5).

27. ## chemistry

A volume of 50.0 ml of gas is collected by displacement of mercury at 17 degrees Celsius and 760 mm pressure. The mercury level inside the eudiometer is 30.0 mm higher than the outside. What volume will the gas occupy at STP?

28. ## Math

Jada, Nicholas, Nita, and Calvin shared \$60. Jada received 1/2 of the total amount of money Nicholas, Nita, and Calvin received. Nicholas received 2/3 of the total amount of money Nita and Calvin received. Nita received 3 times as much as calvin. (a) how

29. ## Math

I can not figure out the worksheet How Can You Help Control Soil Erosion?

30. ## Math

5. The following random sample was selected : 4, 6, 3, 5, 9, 3. Find the 95% confidence interval for the mean of the population. 6. In a sample of 35 high school seniors, 14 of them are attending college in the fall. Find the 95% confidence interval for

31. ## world civilization

which of these ancient civilizations survived, intact, until the twentieth century?

32. ## algebra

1) how many billions of years will it take 1000 grams of uranium-238 to decay to just 125 grams? 2) a researcher had 37.5 g left from a 600 g sample of sulfer-35. how many half-lives passed during that time? 3) look at problem 2. how many days passed

33. ## Math

A 3 in. by 5 in. photo is enlarged five times what is the dimensions of the larger photo

34. ## Algebra

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 6,500 + 400 ln a (a ≥ 1) How many units are sold after spending \$1,000? (Round

35. ## Algebra 2

A shot put champion releases the shot from 6ft above the ground. The path of the shot is modeled by: h(d)=-0.02d^2+1.11d+c. How far does the shot travel before it hits the ground? h is approximate height (in feet), d is the horizontal distance traveled (in

36. ## LIFE ORIENTATION

LACK OF PHYSICAL FITNESS AND PROPER NUTRITION IN ADOLESCENT.DESCRIBE THE LIFESTYLE DISEASE.MENTION 5 FACTORS THAT CONTRIBUTE TO THE DISEASE.

37. ## maths

find the general solution for the equation: sin2x+ square root 3cosx =0

38. ## Writing skills 1

1. Which of the following is correct in regard to the use of formal English? A. Formal English is used more frequently in speaking than in writing. B. In formal business correspondence, it's best keep the language impersonal. C. Contractions are considered

39. ## spanish

can u fill in the blank: voy a comprar blank porque voy a volver aqui.

40. ## aptitude

The digits of a three digit number A are written in the reverse order to form another three digit number B. If B > A and B – A is perfectly divisible by 7, then which of the following is necessarily true? 1. 100 < A < 299 2. 106 < A < 305 3. 112 < A <

41. ## Grammar-Ms. Sue(:

12. Which of the following is the best opening sentence for a business letter that you want to sound fairly informal? A. Please be advised that I've just received your order. B. Your order of February 10 arrived in our office today. C. I am in receipt of

42. ## Chemistry

What is the molarity of a solution prepared by dissolving 5.86 grams of naoh in enough water to make 250 milliliters of solution

43. ## Math

Find the perimeter of a triangle with sides 2ft 4in, 3ft, and 4ft 6in.

44. ## physics

The distance between two planets is 1.6 x 10^6 m. How much time would the light signal take to go from one planet to the other?

45. ## HELP

Can a solution of CrCl3 be stored in an aluminum container? I did the math part- E= 2.45 (approx)

46. ## Math

A teacher is choosing 4 students from a class of 30 to represent the class at a science fair. In how many ways can the teacher choose the students?

47. ## Grammar

Which of the following is correct in regard to the use of formal English? A. In formal English, we use words to say precisely what we mean. B. Contractions are considered acceptable in any document. C. Formal English is used more frequently in speaking

48. ## writing

What is the difference between a general purpose and a specific purpose? How can writing a clear specific purpose help you put together a more effective speech

49. ## maths

tangents are drawn from the origin to the curve y=sinx, then their point of contact lies on the curve _________

50. ## math

hiroshi borrowed 3 non ficktion books from the library. This was 25% of the books he checked out. How many books did Hiroshi check out?

51. ## Algebra 2

I need help trying to solve trigonometric identity problems I just need help if someone could break it down step by step how to solve for: if cos of theta is -3/5 find csc of theta

52. ## Physics

A ball is thrown vertically upward with a speed of 25.0m/s.take acceleration due to gravity 10m/s-2. A how high does it rise B how long does it take to reach its highest point?

53. ## Math

When Sarah takes the bus to work, the trip takes 30 minutes. When she takes the train to work, the trip takes 20 minutes. The average speed to the train is 15 mph faster than the speed of the bus. Find the distance to work.

54. ## Grammar

What is the adverb in Pete sometimes pretends he is a strong, silent cowboy

55. ## geo

Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next

56. ## Math

Ground beef costs \$3.95 per pound at the grocery store. One customer spent \$33.18 on ground beef for a BBQ. Choose the equation and solution that would correctly show how many pounds of ground beef the customer bought. A. 3.95 ÷ x = 33.18; x = 37.13 B.

57. ## math

If I am 25% taller than you, then you must be 75% shorter than me 25% shorter than me 20% shorter than me 75% of my height

58. ## physics

A uniform 5.9 T magnetic ﬁeld points north. If an electron moves vertically downward (toward the ground) with a speed of 0.85 × 107 m/s through this ﬁeld. The charge on a proton is 1.60×10−19 . a) What is the magnitude of the force acting on it?

59. ## Corporate Fiance

You are a financial planner and have a client who would like to receive a \$12,000 annuity for 25 years after retiring 20 years from now. Assuming an 8% return on investment can be earned prior to retirement and a 10% return can be earned after retirement,

60. ## music

how much would 11 feet of ribbon cost if it sells for \$1.32 per yard

61. ## english

13. Which statement is true about this sentence: "Few Americans speak fluent French"? A. There is only one adjective in the sentence, and it modifies French. B. The one adjective in the sentence modifies the subject. C. There are adjectives modifying both

62. ## Math

The world record for a jump by a frog is 19 feet 3 1/8 in. How much further would a frog need to jump to set a new world record for 7 yards?

63. ## math

-4, 8, -16, 32 arithmetic 64, 128, 256 geometric -64, 128, -256 Geometric -48, 64, -80 the sequence is neither geometric nor arithmetic

64. ## Math

If a 5-pound sack of bird seed is divided equally for 3 different bird feeders, how much bird seeds will there be for each bird feeder?

65. ## Alg 1

The formula for the perimeter P of a rectangle is P=2l +2w. What is the result when correctly solving the formula for the variable w?

66. ## Corporate Fiance

Given an annual lease payment of \$438,020 find the rate of return earned by the lessor on a 3 year, \$1 million (present value) capital lease. Please don't show me how to solve this by using a financial calculator!! Please show me step by step how to do

67. ## math

what are the first four terms of a geometric sequence if the common ratio is 10 and the first term is 4.5 4.5 .45 .045 .0045 4.5 9.0 13.5 18.0 4.5 14.5 24.5 34.5 none of the above

68. ## Early Childhood

For my early childhood education final exam/Ideas? My teacher said i have to create my child and choose 1 out? For my early childhood education final exam/Ideas? My teacher said i have to create my child and choose 1 out of 5 (ADHD,Aspergers syndrome,

69. ## physics

Earthquakes are motions of the earth's crust. Essentially, they are big sound waves that travel through the earth. There are two types of waves. The first type is called a longitudinal or P wave, where the earth compresses in the same direction as the wave

70. ## Life orientation

Identify one environmental or human factor that cause ill health or accidents or disasters within your community or any other community within south africa (a)in 10-15 lines critically discuss5 ways in which the human or environmental problem impacts on

71. ## math

if the unicycle with the largest wheel of 185 cm is ridden 1 km how many complete rotations will the wheel make

72. ## Math

Sam measured the length of an insect. He found it was between 3 1/2 inches and 3 3/10 inches long. Write a mixed number that could be the length of the insect

73. ## Math

Sean has 25 feet of blue ribbon.If this ribbon is cut into 8 equal pieces, what will the length be for each piece?

74. ## physics

TWO METALLIC WIRES AB ARE CONNECTED IN PARALLEL A !@#\$%^& LENGTH L & RADIUS R V AS LENGHT 2L AND 2R FIND RESISTANCE

75. ## math

Three boxes of fruit are labeled Apples, Oranges, and Apples and Oranges. Each label is wrong. By selecting just one fruit from just one box, how can you determine the correct labeling of the boxes?

76. ## Life orientation

Name two community organizations that are involved in supporting or giving redress to these factors and explain how these community organizations are involved in redressing these issues.(10)marks

77. ## world Histoy

What would be a good three point thesis for the opium wars?

78. ## Geometry

A farmer has 52 meters of fencing to make a rectangular corral. If the width is x, what is the length and area?

79. ## Math

If I have a triangle and they are asking me to find the perimeter of DEF when EF is 16cm and DE is 12cm would I add those two numbers then subtract 180 from that answer?

80. ## log[1/6](x^2+x)-log[1/6](x^2-x)=-2

Solve the equation log[1/6](x^2+x)-log[1/6](x^2-x)=-2

81. ## history

1. What was the ruling in the case Boynton vs. Virginia?+ m,n

82. ## maths

tangents are drawn from the origin to the curve y=sinx, then their point of contact lies on the curve _________

83. ## chemistry

The surface tension versus log concentration for two surfactants is shown below. Describe in no more than five sentences how the two surfactants can be so different. You have only one attempt at this problem.

84. ## English

Gather a large collection of current events that reflect incidents that closely parallel the novel Can u explain to me this idea wants me to do Please help thank you very much.

85. ## C/Justice

The inmate code is: A. the set of rules for inmate behavior established by prison officials. B. an informal set of rules of inmate behavior that is part of the prison culture. C. a secret language inmates use to communicate with each other in the presence

86. ## Music

3. Middle C and the D next to it is one step. -True? 10. A sharp written before an F on a staff applies to a. F and G b. All F's on that one line or space in that measure c. Only that note d. Always two notes C?

87. ## math

solve by the elimination method x + y = -2 4x - 6y = -3

88. ## Math

Suppose that you randomly draw 20 cards from a standard deck of 52 cards with replacement. What is the probability of drawing at least 7 hearts?

89. ## Math (Trigonometry)

What is the maximum value of [9sinθ+2sin(θ+π/3)]^2?

90. ## algebra 1

Graph each function;identify the domain and range;and compare the graph with the graph of y=1/x. 1.y=-10/x Domain: Range: Compare: 2.y=1/(x+3)+3 Domain: Range: Compare:

91. ## Maths (Calculus)

The motion of a particle performing damped oscillations is given by the formula y = e-t sin2t Where y - displacement from its mean position and t - time in seconds (a)determine the time at which the velocity of the particle is 0 (b)Determine if the

92. ## Math

Raul says he has equal numbers of dimes and quarters and four times as many nickles as dimes. The value of his nickles and dimes is 50 cents more than the value of his quarters. How many of each kind of coin does he have?

93. ## PHYSIC

The built-in composite bar BC of length L=2 m is composed of two materials with equal cross sectional area A = 100 mm2. The first material has elastic modulus E=1 GPa. The second material is twice as stiff, with a modulus of 2E or 2 GPa. The bar is

94. ## Spanish

1.) which of the following is correct: A.) Tocamos el piano. B.) Jugamos el piano. (I think B is correct.) 2.) How do you say: I am in a hurry. I think it's said like this: Estoy en un apuro. 3.) How do you say: I am hot. I think it's said like this: Estoy

95. ## Life orientation

3 environmental health hazards that cause ill health,crises and or disasters within your community or any other community within south africa and globally.

96. ## Life orientation

Identify one environmental or human factor that cause ill health or accidents or disasters within your community or any other community within south africa (a)in 10-15 lines critically discuss5 ways in which the human or environmental problem impacts on

97. ## math

You want to explain to your friend that your bank’s interest rate has gone down from 1.2% to 0.3%. Which sentence below has the correct meaning? A)My interest rate has decreased 25%. B)My interest rate has decreased 0.9 percentage points. C)My interest

98. ## physics

In trying to lift a heavy stone into a moving truck, a worker utilizes rope, a rug, and two long planks of wood. Identify the forces at work in making it too hard for the worker to just lift the stone on his back. HELP!!

99. ## Math

Ashely's mother will make 4 pineapple fruitcakes for a bake sale to raise money for the school band.If 25 ounces of crushed pineapple are divided equally into 4 parts, how much pineapple will there be for each fruitcake?

100. ## Science

1. What is molarity of products? I can't decide if it's a. The concentration of the reactants measured in mol/L of solution or b. The concentration of the products measured in mol/L of solution 4. How does pressure relate to reaction rates? I'm stuck

101. ## Trig

Verify the identity. 1/(tanx-secx) + 1/(tanx+secx) = -2tanx

102. ## chemistry

A mixture consisting of 0.150 M N2(g) and 0.612 M H2(g) reacts and then reaches equilibrium according to the equation: N2(g) + 3H2(g) ⇋ 2NH3(g) At equilibrium, the concentration of ammonia is 0.213 M. Calculate the concentration (molarity) of H2(g) at

103. ## Math

The number of professors in a college is p and the number of students is s, there are 16 times as many students as professors write an algebraic expression that shows the relationship.

104. ## elizabeth matsemela

identify and describe 3 environmental health hazards that cause ill health,crises, and or disasters within your community or any other community within south Africa and globally.

105. ## life orientaition

critically discuss 5 ways in which the human or environmental problems impacts on the community .provide relevent sources to support your claims

106. ## ENG

Complete each sentence so that the meaning of the italicized abstract word is made more concrete. The party was a lot of FUN. We

107. ## physics

if the direction of a magnetic field around a straight wire is counterlcockwise, which direciton is the current traveling?

108. ## Math

A squirrel is moving at a speed of 15 feet per second. At this rate, how long will it take the squirrel to travel one mile? Convert answer into minutes, to the nearest tenth.

109. ## Math

Taylor plans to use 2 cups of brown sugar in making 8 loaves of whole wheat bread.If this amount of brown sugar is divided equally into 3 parts, what fraction of a cup will there be for each loaf of bread?

110. ## Alg 1

Issa is driving to the airport to catch a flight to miami, and her arrival depoends on traffic. If the traffic is light, then she can drive 60 mph and arrive at the airport 1 hour early. If traffic is heavy, she can drive 35 mph and arrive at the airport

111. ## English II

"Base Details" If I were fierce, and bald, and short of breath, I’d live with scarlet Majors at the Base, And speed glum heroes up the line to death. You’d see me with my puffy petulant face, Guzzling and gulping in the best hotel, Reading the Roll of

112. ## physical scinsce

A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by

113. ## Math

I am a number less than 40,000. All my digits are multiples of 3. My first,third,and fifth digits are the same. both my thousands digits and my tens digit are six more than the others.

114. ## Math

You bake brownies in a 9-by15-inch pan. If you cut the brownies into servings 3 inch by 3 inch., how many squares will I have?

115. ## physics

a wire has r of 16ohm it is drawn in a wire of half its lenght calculate the r of new wire

116. ## physics

A PIECE OF WIRE HAVING R are cut into 4 equal parts find R IN 4 EQUAL PARTS WHICH ARE IN PARALLEL

Which of the following is the strongest reducing agent? a) Li+ b) Zn c) Sn d) H2 Is it Li? Can someone please explain what the answer is and why?

118. ## economics

if Q = 60 − (1/2)P, and MC = 60, which means that MR = 60 how do you work out the price, which then allows you to work out the Q. does the graph still exhibit a slope at twice the rate of the demand curve? thanks for looking in

119. ## Life orientation

Identify one environmental or human factor that cause ill health or accidents or disasters within your community or any other community within south africa (a)in 10-15 lines critically discuss5 ways in which the human or environmental problem impacts on

120. ## Life orientation

Provide recommendations on how to address the topic that you identified in the previous question

121. ## science

Discuss the relationship between motion and force including the following terms: velocity, acceleration, equilibrium, contact force, and field force.

122. ## Geometry

the vertices of a parallelogram are a(3,-1),b(4, 3),c(7, 5), and d(6, 1). at what point do the diagonals intersect?

123. ## Math (Complex Numbers)

Let a,b,c be complex numbers satisfying a+b+c=abc=1 and (ab+bc+ac)/3=(1/a^2)+(1/b^2)+(1c^2) The sum of absolute values of all possible ab+bc+ac can be written as (√n)/m, where n and m are positive coprime integers. What is n+m?

124. ## Physicss

a typical woman gives off heat at rate of about 8000 calories per hour. how long would a woman have to stay in a bath of 60L (60,000 g) of 26 C water in order to raise the water temperature to 30 c ? presume that all the heat given off by the woman is

125. ## math trig

If a ferris wheel with a 20.5 meter radius, how high would one car be from the loding dock at these given angles trveled by the rider?: 90 135 180 225 270 315 405 450 495 and 540?

126. ## MATH

The bottom of the ladder on a horizontal flat surface rests against a wall. It makes an angle of elevation of 35°. The bottom of the ladder is 42 ft from the base of the wall. How long is the ladder? Round your answer to the nearest whole number.

127. ## Maths

Find the sum to infinity of the geometric series n=1 ,3/10n =3/10+3/1000+....................

128. ## Life orientation

Name two community organizations that are involved in supporting or giving redress to these factors explain how these community organizations are involved in redressing these

129. ## Math

I am having trouble on this question. a cable TV company charges \$24.95 per month for basic service and \$6.95 per month for each premium channel. a customer's bill for one month is \$45.80. write and solve an equation to find the number of premium chnnels

130. ## Math

Can you help me with this problem please? I would thank you if you can explain it to me. You want to tile your kitchen floor. The floor measures 12ft by 9ft. How many tiles each a square with side 1 1/2 ft should you purchase for the job?

131. ## math

convert the numeral to a numeral in base 10

132. ## Social

What are the goal and practices of mormons?

133. ## Calculus Homework!

Find the area bounded by the curve y=x(2-x) and the line x=2y.

134. ## math

the class room had 100 students.in 200, there were 6 few men than there were woman.how man women were in the classroom in 2010?

135. ## math

A 10 km race has 5 water stations set up around the course. What is the minimum number of people that must run in the race in order to guarantee that 10 people stop at the same set of water stations?

136. ## MATH

Suppose a third world country in the last five years is now expanding their Internet access. If they went from 2.5% of their citizens having access to the Internet to 7.5% now having access, calculate the following: a) How many percentage points did they

137. ## CHEMISTRY

how would a chemistry student make a 600 mL of 1.5 M solution of NaBr?

138. ## math

Suppose Apple’s stock rose to \$139 at the end of the week and it was up 4% from the previous week. What was the price of Apple’s stock at the previous week’s close?

139. ## lifeorientation

On air pollution name two communityorganizations that are involved in supportin or giving redress to these factorsand explain how these community organizations are involved in redressing these issues

140. ## Ethics and social responsibility

You work hard in your office overtime weekends and early mornings.you get paid well but despise that your coworkers are getting paid the same pay for less work then what you are doing and get promoted ahead of you.

141. ## aptitude

Uncle Bert was making porridge in a cylindrical pan of diameter 24cm. The spoon he was using is 26 cm long. It accidentally falls and sinks into the porridge. Calculate the minimum volume of porridge necessary to hide the spoon. You may ignore the volume

142. ## Physic

The built-in composite bar BC of length L=2 m is composed of two materials with equal cross sectional area A = 100 mm2. The first material has elastic modulus E=1 GPa. The second material is twice as stiff, with a modulus of 2E or 2 GPa. The bar is

143. ## Math

Find the area of a circular rug that is 12ft in diameter.

144. ## math.

1. 4.86/0.2 24.3 2. 2.52/0.7 3.6 3. 14.4/1.2 12 4. 17.1/3.8 4.5 5. 3.96/1.32 3 8. 1.296/0.16 8.1 10. 8.253/0.5 16.506 12. 1.50048/0.32 4.689 14. 4.4208/1.8 2.456 16. 160.3639/25.1 6.389

145. ## MATH Calculus Homework #2

Let T be the triangle 1\le x\le 2, 0\le y\le 3x-3. Find the volume that results by rotating the triangle T around the line x=-1.

146. ## Environmental Science

Consider the population situation in Italy or Germany; very low birth rates, an aging population, and eventual decline in overall numbers. For this week's individual work, please write a 1-2 page paper (counting body text only, not title or reference

147. ## English

Whenever i____to the grocery, I always______ for fresh produce Went/looked Went/look Go/looked Had gone/look

148. ## CHEMISTRY

how would a chemistry student make a 600 mL of 1.5 M solution of NaBr?

149. ## Math

Using money to understand decimals \$5.38= how many ones, how many tenths, and how many hundredths.

150. ## Chemistry

Name the compounds CH3CH2CHCH2CH3 - Is this 3-Pentane? Thanks

151. ## Math

A wheel made 123 revolutions per minute. How many minuted did it rotate?

152. ## Math

Suppose u spin the spinner 20 times and note the result each time. Your final score is the product of all 20 spins. What is your most likely final score? Explain ur reasoning. It has a pic of a circle and all the 4 pieces are equal and the first top square

153. ## math

Suppose a third world country in the last five years is now expanding their Internet access. If they went from 2.5% of their citizens having access to the Internet to 7.5% now having access, calculate the following: a) How many percentage points did they

154. ## pre alg

jane is standing next to a tree. the tree casts a shadow that is 11.2 ft long. she is 5.6 ft tall and her shadow measures 3.8 ft. How tall is the tree?

155. ## history

What lessons from the past pertaining to the civil rights and women's movement from the past can we apply to the future?

156. ## Life orientation

Name two community organizations that are involved in supporting or giving redress to these factors explain how these community organizations are involved in redressing these

157. ## Spanish

2.) How do you say: I am in a hurry. I think it's said like this: Estoy en un apuro. 3.) How do you say: I am hot. I think it's said like this: Estoy caliente. Thank You.

158. ## Math

Two bike riders ride around a circular track, 1st rider completes one round in 12 minutes, the second rider completes a round in 16 minutes. If they start at the same time and fo in the same direction, how many turn before they meet at the same place

159. ## MATH Calculus Homework

Let R be the region between the graph of y=x3 and the x-axis, and between x=0 and x=1. Compute the volume of the region obtained by revolving R around the y-axis

160. ## math

If a pencil costs 300% more than an eraser and the eraser costs 25 cents, what is the cost of the pencil?

161. ## History

Where was segregation illegal after and during the boynton vs. Virginia case?

162. ## Math

What volume of water in cubic inches could be contained in a box that measures 9 in deep by 12 in wide by 14 in long?

163. ## math trig

If a ferris wheel has a radius of 20.5meters, how tall would a 45 degree angle be?

164. ## MATH Calculus Homework

Find the area of the region between the curve y^2=4x and the line x=3.

165. ## Math

1. 9.8/1.4 7 2. 4.41/2.1= 2.1 3. 16.848/0.72 23.4 4. 8.652/1.2 72.1 5. 0.5/0.001 500 6. 9.594/0.06 59.9

166. ## precalc

Let a subscript n be the remainder when n is divided by 5. a)find a subscript 11 and a subscript 400 b) if a subscript m =3, find a subscript (m +4)

167. ## Alg 1

Solve for the variable h: 5r - 6h = m Is h=5/6m +r Correct?

168. ## math

I need help with simplify positive exponents

169. ## waterloo js

critically discuss five ways in which the environment problem impacts on the community

170. ## Life orientation

Provide recommendations on how to address the topic that you identified in the previous questions

171. ## life orientation

idetify and describe 3 environmental health hazards that cause ill health,crises and or disasters within your community or any other community within south africa and globally .include evidence that is current of the identified issues.

172. ## physics

Discuss the relationship between motion and force including the following terms: velocity, acceleration, equilibrium, contact force, and field force.

173. ## Life orientation

Name two community organisations involved in giving redress to pollution

174. ## algebra

What is the x,y, and z quardinates of 2x+2y+3z=3 3x+y+4z=3 X-y-2z=3

Let T be the triangle 1≤x≤2, 0≤y≤3x-3. Find the volume that results by rotating the triangle T around the line x=-1.

176. ## Computer proof

Prove by induction on all positive integer k that if m is any ordinary nfa with k states, and m has fewer than k - 1 transitions, then there exists a state of m that is not reachable. Let N be the λ-NFA: "L" for "λ" b >(1) -----> ((2)) | ^. | b| | L. | a

177. ## Math

Calculate sin^2 (6)+cos^2 (12)+cos^2 (48)+sin^2 (66)

178. ## Math (Complex Numbers)

Let N be the sum of all prime powers that can be written as 4^n+n^4 for some positive integer n. What are the last 3 digits of N? Details and assumptions: A prime power is a number of the form pk, where p is a prime and k is a positive integer. Examples:

179. ## ENGLISH

Rewrite each sentence below, replacing all clichés with more creative or straightforward expressions. My parents want us to mind our p's and q's and to stick to the straight and narrow.

180. ## math

Is 20 miles more or less than 20,000 kilometers?

8-3x=2x-8

182. ## Math

Raul say he has equal number of dimes and quarters and four times as many nickels and dimes is 50 cents more than the value of his quarters. How many of each kind of coin does he have ?

183. ## MATH

CALCULATE THE MISSING LENGTH VOLUME= 1,000 CM CUBED

184. ## life orientation

what are the effects of global warming

what does the following idioms mean: catching a cold dropped the bomb bell went off

186. ## math

Larry and Willa each reading the same book.Larry has read 2/3 of the book.Willa said she has read 4/6 of the book,so she read more.Is Willa correct.Explain.

187. ## Literature

8. In Hamlet, Lord Polonius attempts to gain favor with the king through Hamlet's relationship with a. Queen Gertrude b. Ophelia c. Laertes d. Rosencrantz B? 26. What does Liza do in Act 1 of Pygmalion to try to prove that she can speak just fine? a. says

188. ## physics

pease answer my phy questions urgenntly

189. ## math

Imagine that you have 5 blue socks and 5 brown socks in a drawer that are not paired up. How many socks must you take out from the drawer (without looking) to be sure of getting a pair of the same color? (3 points)

190. ## Math

kerry runs 3 times around the track, five days a week. the track is 1/4 mile long. how far does kerry run in 3 weeks?

191. ## Life orientation

In 10 -15 lines critically discuss 5 ways in which the human factor or problem impacts on the community .Provide a relevant sources to support your claims help please with answers

192. ## Physics

determine the image distance for an object that is 45.0 cm from a double convex lens having a focal length of 15.0 cm

193. ## Spanish

Please check my answers... 1.) "He is playing cards" is said like this: él está jugando a las cartas. 2.) Is this how you say "My friend plays soccer": Mi cuates juega al fútbol. 3.) Is this how you say "they are in a hurry": que tienen prisa. 4.) True

194. ## Physic

Now, obtain N(x) and plot it. In the Command Window below, enter expressions for N1 and N2 where N1 =N (x1) N2 =N (x2)

195. ## MATH

If your starting salary increases 5% per year for 10 years, how does your salary at the end of the 10 years compare with your starting salary? It is nearly 63% higher It is 150% higher It is 50% lower It is 50% higher

3(n-2)+7=5

197. ## Math

Find a value for x so that 15/12=-5/x

198. ## Math

convert 1./27 convert repeating decimal to a/b

199. ## Math

2.8x+75=5.3x+15

200. ## math

Simplify cos Theta/4 cos theta/4 - sin theta/4 sin theta/4.

201. ## math

finding the mean

202. ## math

what is a data

203. ## physics

TWO R WHEN CONNECTED IN PARALLEL GIVE RESULTANT VALUE BECOMES 9 OHM CALCULATE VALUE OF REESISTIVITY

204. ## english

carol has died, begin death

205. ## English

Is the statement true or false that the crime rete has no effect on childhood obesity. give a reason for your answer

206. ## Algebra 2

Solve the equation |2x − 5| £ 9

207. ## pre alg

a 9 ft ladder is leaning against a wall so that Adam can hang a picture 7.5 ft above the floor. how far does the ladder need to be placed from the wall?

208. ## math

is 17 - 6 >= 9 equivalent to 9

209. ## math

71.33= 9/5k - 459.67 solve for k

210. ## Physic

Now find a symbolic expression (in terms of A,E,a,L ) for the x-component of the applied concentrated load Fx and for its location:

211. ## pHYSIC

Now find a symbolic expression (in terms of A,E,a,L ) for the x-component of the reactions at the supports:

212. ## Math

Can you help me with this problem please... 8x-3(x-5)=30

213. ## Math

Can you help me with this problem please... 3y+5(y-3)+8

214. ## MATH

the area of a certain rectangle is 288yd squared. the perimeter is 68yd. if you double the length and width,what will be the area and perimeter of the new rectangle?

215. ## Math

Can I get help with this one :/... 3x-2(3x-2)

216. ## Math

change number to fraction a/b when a and b are integers 9 8/9

217. ## Math

What is 7 times pi divided by nine, Radians in degree measure

218. ## math

solve 5x + 8y = 27.

219. ## pre alg

if the slope of a line is 8/4, do we simplify it to 2? or does it stay at 8/4?

220. ## math

20,000 millimeters is equal to how many centimeters?