# Questions Asked onMay 29, 2012

1. ## physics

The length of a sonometer wire AB is 100cm where should the two bridges be placed from A to divide the wire in 3 segments whose fundamental frequencies are in the ratio of 1:2:6 options: 1.60cm,90cm 2.40cm,80cm

2. ## Physics

Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 16.0 m, B = 12.0 m, C = 13.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the

3. ## Physics

An aerialist on a high platform holds onto a trapeze attached to a support by an 8.0-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 41° with the vertical. He jumps, swings down, then back up, releasing the

4. ## Physics

Two cars are moving. The first car has twice the mass of the second car, but only half as much kinetic energy. Then, both cars increase their speed by 8.00 m/s. They then have the same kinetic energy. The original speeds of the two cars are, respectively,

5. ## Chemistry

What volume of water should be added to 500 mL of a 1.0 mol/L CuSO4 solution to dilute it to 0.5 mol/L?

6. ## chemistry

The data in the table show the amount of a 500 g sample of sodium-24 over time. Make a graph of the data (remember to label all axes and title the graph). What is the half-life of sodium-24? Explain how you determined your answer. Sodium-24 decays by beta

7. ## physics(heat)

a mixture of 250g of water and 200g of ice at 0deg C is kept in a calorimeter which has a water equivalent of 50g. if 200g of steam at 100deg C is passed through this mixture, calculate the final temperature and the mass of contents of the calorimeter. ans

8. ## material sciences

1. Explain the difference between ‘eutectic’ and ‘eutectoid’. 2. Explain the terms ‘hyper-­‐ and hypoeutectoin ’and ‘hyper-­‐ and hypoeutectic

asked by asyraf help me urgent
9. ## physics

(a) Two microwave frequencies are authorized for use in microwave ovens: 900 and 2560 MHz. Calculate the wavelength of each. 1 cm (frequency = 900 MHz) 2 cm (frequency = 2560 MHz) (b) Which frequency would produce smaller hot spots in foods due to

10. ## world geography

in which fields do europeans work today? a. heavy industry and mining b.farming and heavy industry c. shipping and transportation d. manufacturing, service and technology industries, and agriculture

11. ## CALCULUS

9. Suppose an experimental population of amoeba increases according to the law of exponential growth. There were 100 amoeba after the second day of the experiment and 300 amoeba after the fourth day. Approximately how many amoeba were in the original

12. ## Management

Which of the following statements about Maslow's needs hierarchy is correct? A. Esteem needs must be satisfied before one strives to fulfill social needs. B. Self-actualization is a growth need. C. safety needs are more basic than physiological needs. D.

13. ## chemistry

Current is applied to a molten mixture of CuF, ZnCl2, and AlBr3. What is produced at the cathode? a)F2 b)Al c)Cu d)Zn e)Cl2 f)Br2 What is produced at the anode? Same options as above.

14. ## phys

Mike throws a ball upward & toward the east at a 20.0 angle with a speed of 51.0 . Nancy drives east past Mike at 15.0 at the instant he releases the ball. What is the ball's initial angle in Nancy's reference frame?

15. ## Probability

Two cubes are rolled .both cubes are labelled 1 to 6.the number rolled are added. What is the probability of each out come ? a) sum is 12 B)the sum is less than 4. C)the sum is 7. D)the sum is 2.

16. ## Geometry

A cylindrical container of paint with a radius of 6 inches is 15 inches tall. If all of the surface area except the top are made of metal, how much metal is used to make the container? Assume the thickness of the material is negligable. Round to the

17. ## English

Posted by rfvv on Monday, May 28, 2012 at 2:12am. 1. The lizard is walking on a branch. 2. The lizard is running on a branch. 3. The lizard is creeping on a branch. 4. The parrot is singing. 5. The parrot is chirping. 6. The parrot is twittering. (Can we

18. ## Physics

At a restaurant, your glass of water contains 25% ice while your friend’s glass of water contains 75% ice. What can you say about their temperatures? Explain your answer

19. ## math

Verify cos(x-3pi/2)=-sin x

I CANNOT BELIEVE THIS IS A THIRD GRADE WORKSHEET! THIS IS SOO INAPPROPRIATE. THEY HAVE NEVER DONE LONG DIVISION OR REMAINDERS & THERE IS ONE WEEK OF SCHOOL LEFT & THIS IS WHAT THE TEACHER HANDS OUT.....86 DIVIDED BY 9, 17 DIVIDED BY 3, 73 DIVIDED BY 8 !

21. ## college math

A recipe calls for 600mL of whole milk. How many cups of milk is that?

22. ## Economics

explain how a firm's production function is related to its marginal product of labor,how a firm's marginal product of labor is related to the value of its marginal product, and how a firm's value of marginal product is related to its demand for labor?

23. ## physics

The route followed by a hiker consists of three displacement vectors , , and . Vector is along a measured trail and is 1060 m in a direction 20.0 ° north of east. Vector is not along a measured trail, but the hiker uses a compass and knows that the

24. ## ALGEBRA

(a) What is the sum of the first 60 consecutive odd numbers? Tell whether it illustrates inductive or deductive reasoning. inductive reasoning deductive reasoning (b) What is the sum of the first 1,200 consecutive odd numbers? Tell whether it illustrates

25. ## pre algebra check

Use the percent equation to answer the question. What percent of 130 is 156? I get 202.8??

26. ## geometry

Find the values of a and b. In a quadrilateral a=113 degrees and b=base =36 degrees

27. ## geometry

determine the values of x and y for which ABCD is a parallelogram. AB = 3x + 7, BC = y +8, CD = 5x + 1, DA = 2y - 3

28. ## What do I do?

Here's the problem: In a load of 3/4 ton of steel rods, 1/8 are bent. How many tons of steel rods are bent? I don't know which operation to use. Should I use addition? Should I use subtraction? How 'bout division? Should I use multiplication because of the

29. ## Maths

(3-4cos(2x)+cos(4x))/(3+4cos(2x)+cos(4x))=tan^6(x)

30. ## chemistry

mass of crucible- 18.50g mass of crucible+hydrate- 19.50g mass of crucible+anhydrous salt 1st heating- 19.10g mass of crucible+anhydrous salt 2nd heating- 19.10g Questions: 1. calculate mass of water lost from your sample 2. calculate % of water in sample

31. ## science

A solution has a density of 1.50 g/mL. How many grams are needed to obtain 10.0 mL of solution?

32. ## English

1. He is playing a game with his smart phone. 2. He is talking on the smart phone. 3. He is writing something on his smart phone. 4. Tom and Bill are talking with each other in the corner of the classroom. 5. He is drawing a cartoon. 6. He is reading a

33. ## CALCULUS

9. Suppose an experimental population of amoeba increases according to the law of exponential growth. There were 100 amoeba after the second day of the experiment and 300 amoeba after the fourth day. Approximately how many amoeba were in the original

34. ## physics

TV-reception antennas for VHF (channels 2 through 13) are constructed with cross wires supported at their centers, as shown in Figure 23.24. The ideal length for the cross wires is one-half the wavelength to be received, with the more expensive antennas

35. ## Probability

Two number cubes are rolled .both cubes are Labelled to 6. The numers rolled are added . What is the probability of each outcome? A) the sum is 12. B) the sum is less then 4. C) the sum is 7. D) the sum is 2.

36. ## Geometry

A box of cereal measures 8 inches high and 2 inches deep. If all surfaces are made of cardboard and the total amount of overlapping cardboard in the box is 7 square inches, how much cardboard is used to make the cereal box?

37. ## Chemistry Science

A 15.0 g sample of an unknown compound is dissolved in 100.0 g of benzene. The boiling point is raised 2.67 oC above the boiling point of pure benzene. What is the molar mass of the sample? Kb for benzene is 2.67oC/m.

38. ## history

•Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist policies? Why?

39. ## economics

The manager of All City Realtors wants to hire some real estate agents to specialize in selling housing unit acquired by the Resolution Trust Corporation (RTC) in its attempt to bail out the savings and loan industry. The commission paid by the RTC to the

40. ## geometry

classify a triangle with side lengths 5, 9 and 12 as acute, right, or obtuse

41. ## biology

the gene for eye colour is located on ? a) x chromosome b) y chromosome c) both a and b d) non of them

42. ## world geography

some latin america countries need debt relief: a. from other countries to carry out economic programs b. because such a large segment of their population is poor c. because their economies are doing so well d. but have too good credit rating with

43. ## English

1. The rabbit is medium and white. It has a short tail and sharp teeth. 2. The parrot has a sharp beak. It is small and has colorful wings. 3. The puppy is fluffy and cute. It has a long tail. 4. The squirrel is small and cute. It has a long tail. 5. The

44. ## world geography

when did most latin american countries gain their independance? a. the 1600s b. the mid-1700s c. the 1800s d. the early 1900s

45. ## Healthcare Legal Concepts

Explain the role that a health information technician may play in the judicial process. I am not asking for the answers but a good place to look

46. ## dressmaking

Sometimes a person's sloping shoulders cause a garment to sag with diagonal wrinkles from the neck end of the shoulder seam to the armhole.To correct this,ripping out the sleeve and then doing which of the following is correct: A)Rip the soulder seam from

47. ## CALCULUS (REPOST)

If dy/dx = x (cos x^2) and y = −3 when x = 0, when x = pi, y = . A. −3.215 B. sqrt(2) C. 1.647 D. 6 E. 3pi For some odd reason, I keep getting -0.5325989. I can't come up with any of the answers given.

48. ## grammar/English

need help correcting this sentence Fire can be either friendly or a foe, depending on the situation to make it parellel

Write the ratios for sin A and cos A. {picture is of a right triangle, ABC. segment AC is 8, segment AB is 17, and segment CB is 15.} sin A=15/17, cos A=8/17 sin A=15/8, cos A=8/17 sin A=15/17, cos A=8/15 sin A=8/17, cos A=15/17

50. ## to ms.sue

kk. thanxz! :)

51. ## Math

20 (Sigma Sign) 2n + 7 k= 1

52. ## math

each kitchen floor tile is 12 inches by 12 inches.a kitchen floor needing to be tiled is in the shape of a rectangle measuring 12 ft by 16 ft. how many tiles are to cover the kitchen floor?

53. ## pre algebra

Find the amount of simple interest earned in 3 years. Principal: \$460 Annual rate: 3.5%

54. ## pre algebra

A hat cost \$14 after a 20% discount is applied. What was the hat's original price

55. ## college math

in regards to my 45 ft square2 -_yd square2 not 45.2 feet

56. ## pre algebra

Find the percent of decrease. original cost: \$65; new cost: \$5

57. ## Math 116

simplify the expression -2(2z-7y)-z

58. ## pre algebra answer check

You are standing 400 feet from the base of the Space Needle in Seattle, Washington. Using a laser range finder, you measure the distance to the top of the Space Needle to be 725 feet. Find the height of the Space Needle to the nearest foot. I got 629 ft.

59. ## college math

In this question Farmer Jones needs to add 2200milliters of 2-4d weed to the mix tank. How many liter is that? My answer is 2.2 i moved the decimal 3 places to the left an I correct

60. ## pre algebra homework check

Solve the equation. x ^2 + 15 = 51 x=±6???

61. ## Physics - Help!!!

I am having trouble understanding transformers!! Here is the problem I have to solve: A protable CD player requires 12 volts to operate. A transformer allows the device to be powered from a 120-volt outlet. If the primary has 500 turns, how many turns

62. ## ap calculus

Find the discontinuities of f(x)= ((x^2)+5x+6)/((x^2)-4)and categorize them as removable or non removable.

64. ## physics

Electromagnetic radiation having a 12.0 µm wavelength is classified as infrared radiation. What is its frequency? 1 Hz i got 1.31e+13???

65. ## Northern Virginia community college

A speedboat heads west at 104 km/h for 24.0 min. It then travels at 64.0° south of west at 109.0 km/h for 13.0 min. (a) What is the average speed for the trip? What is the average velocity for the trip? magnitude direction

66. ## Comm 215

Please guideme to which ones are wrong.. Thank you Grammar Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. x_True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good

67. ## world geography

which part of europe has advanced communications and transportation systems? a. eastern europe b. western europe c. all of europe d. southern europe

68. ## English (quick Sentence)

Hi Teachers, I wrote a sentence in which i think has a wrong sentence structure. Will you correct me with it, please? When his daughter told us of what he said we promised that we will all be in part of helping him and making him feel like family.

69. ## physics

What is the wavelength of an electron moving at 2.60% of the speed of light? 1 m

70. ## algebra 1

What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?

71. ## math

Tom made pieces of string that were 5/6 yards long. He made 30 pieces. How many yards did he intially have?

72. ## Information Technology

Indicate the type of method used to access data for the following: (a)Hard drive (b)Magnetic tape

73. ## pre algebra answer check

Use a proportion to answer the question. 21 is 4% of what number? 21.875???

74. ## English

Please correct the errors, im not sure on this one. The scouts or their mascot must do their best to clean up the mess at the campgrounds.

75. ## Math

Jack is married to Jill. Their son, Junior, asked each of them to reveal their ages. Junior’s parents decided to tell him, but in the form of a puzzle. Jack told Junior, “If you reverse the digits in my age, you get your mother’s age. Jill told her

76. ## ap calculus

find the critical points, inflection points, the absolute minimum value of y, and the relative maximum points of y=x^4-3x^2+2

77. ## college math

Some people feel that the ideal temperature for an office space is 72.0F. What is the temperature in C? The formula I used is F= 9 x 72 + 32 = 648 + 32 Is this correct so far

78. ## Math

What decimal am I? My digit in the tenth place is twice my digit in the hundredths place.my digit in the hundredths place is odd,but not 1

79. ## math

23.Suppose you choose a marble from a bag containing 6 red marbles, 3 white marbles, and 4 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue). a. 10/13 b. 9/13 c. 24/169 d. 24/13

80. ## pre algebra

Find the percent of the number. 10.5% of 250

81. ## Physics

You are heating water in a pot on the stove. Shortly before the water boils properly, bubbles of steam begin rising from the bottom of the pot but vanish before they reach the water’s surface. What happened to those bubbles?

82. ## Art

I urgently need you to check these sentences. Thank you, Writeacher. By the way, have you found anything on Henrietta Lacks? 1) When his wife puts his arms around him and kisses him, he faints. He explains this by saying that he has not been used to be

83. ## 3 grade english ms sue

draw conclusions a conclusion is a decision you reach after thinking about facts and details you read. you can also use what you already know to help draw a conclusion. you should always ask yourself,"does my conclusion make sense?" directions read the

84. ## math

AB = 8 cm, AC = 6 cm, AD = 7 cm, CD = 2.82 and CAB=50°. Find the length BC, angle ABC, angle CAD , area of triangle ACD

85. ## english

Please check! My best friend told his neighbor that he could not take care of the dogs this weekend. My best friend told his neighbor that he could not take care of his dogs this weekend. When he sat the plate on the glass countertop, it broke into a

86. ## chemistry

Which of these is a homogeneous mixture? A. a salad B. seawater C. soil D. raisin bread help me please!!

87. ## Physics

Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.

88. ## Chemistry

Express the concentration of a 2.0 M NaOH solution as a mass/volume percent.

89. ## Math

Find the sum of the arithmetic series. 20 (Sigma Sign) 2n + 7 x= 1 Formula: Sn= a1 (1 - r^n / 1 - r)

90. ## math

the volume of a cubical solid is given by following expressions.find the side of field. a)8a^3+b^3+12a^2 b+6ab^2. b)27-125a^3-135a+225a^2. c)27a^3-1/216-9a^2/2+a/4. d)x^3-1/x63-3x+3/x. plz help me till 2 o'clock...

91. ## Chem, HELP plz

Complete and balance the following reaction, given that elemental rubidium reacts with elemental sulfur to form Rb2S?

92. ## ALGEBRA

What are the odds in favor of drawing face card from an ordinary deck of cards? to

93. ## math

the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)6x^3+5x^2-6x. b)15x^2-51x+18. c)x^3+13x^2+32x+20. d)x^2-5x/2-3/2. e)x^3-9x. f)x^4+x^3-x-1 plz everyon help me

94. ## chemistry

A solution with a pH of 11.0 is A. neutral. B. acidic. C. weakly basic. D. strongly basic . HELP PLEASE!!

95. ## pre algebra

Find the percent of decrease. original cost: \$65; new cost: \$57.20

96. ## Chemistry

Express the concentration of a 2.0 M NaOH solution as a mass/volume percent. Can you please explain how to get the answer?

97. ## english

unscramble this word ( pessaocltn )

98. ## Physics

Three identical blocks, A, B, and C, are on a horizontal frictionless table. The blocks are connected by strings of negligible mass, with block B between the other two blocks. If block C is pulled horizontally by a force of magnitude F = 28 N, find the

99. ## physics

1. what happens to the field strength when you halve the distance between two charges? 2. A positive charge of 3.5 uC is located in an electric field of intensity 3.00 N/C directed toward the south. Find the magnitude and the direction of the force on the

100. ## math

probablity to the nearest tenth of a percent 11/68 to a decimal and percent

101. ## English

1. He is collecting waste into the dustpan with a broom. (Is this correct?) 2. He is holding a dustpan and broom. 3. He is holding a dustpan and a broom. (Which one is right? Are both OK?

102. ## PROBABLITY

the nearest tenth percent of 9/68 decimal and percent

103. ## llife orientation

one environmental problem that causes ill health,accident,crises,and disasters

104. ## Chemistry Science

. When a 28.7 g sample of KI dissolves in 60.0 g of water in a calorimeter, the temperature drops from 27.2oC to 13.2 oC . Calculate ΔH for the process.

105. ## probablitiy

to th nearest tenth of a percent of 11/68 may i have a fraction,decimal, and percent

106. ## Chemistry Science

A sample of the element ygfjygg m has a mass of 5.6 g +/- .1 g and a volume of 3.1 cm3 +/- .5 cm3. The true density of Lindeminium is 1.92 g/cm3. ----HOW TO CALCULATE RANDOM ERROR(18%)?---

107. ## pre algebra

Find the percent of decrease. original cost: \$65; new cost: \$57.20

108. ## Geometry

If the top of the paint container is made of plastic, how much plastic is used to make the top? Assume the thickness of the plastic is negligable. Round to the nearest square inch.

109. ## pre algebra check

The measures of two angles of a triangle are given. Tell whether the triangle is acute, right, or obtuse. 19°,35° I think its obtuse

110. ## pre algebra

What is the diameter of a cone with a height of 10 yards and a volume of 92.4 cubic yards? Round to the nearest whole number.

Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways

Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways

113. ## math

mike has an average of 89 on the five tests he has taken so far this semester. what grade must mike earn on the next test to raise his average grade exactly to 90?

114. ## pre algebra

You and four friends are going to a movie. In how many different orders can you pick your friends up?

115. ## geometry

a circular cylinder has a base with a radius of 7.5 cm. and a height of 12 cm. a rectangular prism has a square base and height of 8.0 cm. if the cylinder and the prism have equal volumes, what is the length of the base of the prism to the nearest tenth?

116. ## physics

A spherical mirror has a focal length of −0.59 m. An object of height 0.045 m is located 0.42 m in front of the mirror. What is the height (including its sign) of the object’s image?

117. ## history

•Review “Origins of the Cold War” in Ch. 27 of American History and summarize the revisionist and post-revisionist interpretations of the Cold War. Does our interpretation of history ever change

118. ## statistics

Which hypothesis-testing procedure would you use in the following situations? • The mean time an American family lives in a particular single-family dwelling is 11.8 years. A sample of 100 families in the Sycamore, OK area shows the mean time living in a

119. ## World History

Who ruled the Byzantine Empire?

120. ## social studies

The Abbe Sieyes suggested that the meeting of the Third Estate be renamed the National Assembly. What was the significance of this change? Explain.

121. ## geometry

ABCD is a trapezoid with median EF and bases AB and CD. AB = 18, EF = 28. Find CD

122. ## calculus

Evaluate the following (x+7)dx/x^2+14x+55

123. ## math

It says Complete 10/3 on maths homework...what does this mean...thanks.. :)

124. ## Finance

Firm A has \$20,000 in assets entirely financed with equity. Firm B also has \$20,000 in assets, financed by \$10,000 in debt (with a 10 percent rate of interest) and \$10,000 in equity. Both firms sell 30,000 units at a sale price of \$4.00 per unit. The

125. ## social studies

im looking for imporatn event about martin luther and i cant find any so far i found he want again the church and belived in predeterminsih, he was put on trail, he escaped that it i need 3 more like its bout what he did agaisnt the church and what made

126. ## Art

I left out the following sentences. Thank you very much for your invaluable help, Writeacher. 1) On my summer holiday(s) I’m competing in a chess tournament in the first week of July. It will probably be difficult because the best players will

127. ## MATH

Adrienne had a party at a local swimming pool. She spent fifty dollars for a pavilion and seven dollars per person for admission. Let c be the total cost of the pavilion and admission, and let p be the number of people at her party. Write an equation to

128. ## physics(heat)

A geyser heats water flowing at the rate of 3L/min from 27 deg C to 77 deg C. if the geyser operates on a burner, what is the rate of combustion of the fuel if its heat of combustion is 40000J/g?

129. ## world geography

when ranchers plant grass on burned rain forest lands, the grass: _a. thrives and provide feeds for decades _b. gives way to new rain forests within five years _c. dries up within four years _d. surivives for only one season

130. ## statistics

. A random sample of 30 students obtained the following marks in a class test : (20) Test the hypothesis that their median score is more than 50. 58 55 25 32 26 85 44 80 33 72 10 42 15 46 64 39 38 30 36 65 72 46 54 36 89 94 25 74 66 29

131. ## world geography

_______ in brazil's interior has led to the clearing of the rain forests. a. building roads b. building settlements c. mining for iron, copper, and tin d. all of the above

132. ## math

An electric pole is supported to stand vertically on a level ground by a tight wire. The wire is pegged at a distance of 6 meters from the foot of the pole. The angle that the wire makes the ground is three times the angle it makes with the pole. Calculate

133. ## Physics

Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. A certain person can see distant objects well, but his near point is 60.0 cm from his eyes instead of the usual 25.0 cm. Suppose that this person needs ordinary

134. ## science

how far merkurius to mars

135. ## physics(heat)

A geyser heats water flowing at the rate of 3L/min from 27 deg C to 77 deg C. if the geyser operates on a burner, what is the rate of combustion of the fuel if its heat of combustion is 40000J/g?

If an excess of nitrogen gas reacts with 25.0 L of hydrogen gas, according to the reaction below, how many L of ammonia will be produced? N2(g) + 3H2(g) ---> 2NH3(g)

137. ## Art

I left out the following sentences, Writeacher. Thank you. 1) After that we’re having dinner (better we’ll have dinner) and after that we’ll go for a walk in the city centre. 2) On the next day we’ll first go on a sightseeing tour of (in ) the

138. ## MARKETING

am not sure how to answer this question that's y am posting this question here. what variables would you used for identiify ing market segment?? is it about behavioural, demographic, geographic!!??

139. ## biology

which of the following cannot cause change in gene pool a) mutation b) migration c) meiosis d) genetic drift

140. ## English

1. The boy is arm wrestling the girl. 2. The boy is arem wrestling with the girl. 3. The boy is having an arm wrestle with the girl. 4. The boy is having an arm wrestling against the girl. 5. The boy is doing an arm wrestle with the girl. 6. The boy is

141. ## ALGEBRA 1

A JET FLIES WITH THE WIND AT 1100km/hr and 750 km/hr against the same wind. Find the rate of the wind and speed of the plane PLEASE INCLUDE THE EQUATION OR SET FOR SOLUTION

142. ## world geography

the europeans who claimed parts of the americas for spain wer called: d. conquistadors

143. ## ALGEBRA 1

Stu has \$21.40 in dimes and quarters for a totl of 100 coins. How many of each kind of coin does he have?

What is generalization and inference.

145. ## life orientation

Provide five ways in which you critically discuss how cancer can impact on the teenager

146. ## math/algebra

Express 55 minutes as a fraction of 11/3 hours. Please show work

147. ## algebra

What is the product of 11/15 and 12/7? Show how this is done please.

148. ## college math

Peform the following unit conversion 45 ft.2 = ____yd

3y-12=21

150. ## Science

Please for a labeled diagram of aweather thermometer.

151. ## world geography

the north european plain is rich in: a. coal, oil, copper, and petroleum b. coal and oil c. agricultural lands and petroleum deposits d. agricultral lands, iron ore, and coal

152. ## CALCULUS

If dy/dx = x (cos x^2) and y = −3 when x = 0, when x = ƒÎ, y = . A. −3.215 B. ã2 C. 1.647 D. 6 E. 3ƒÎ For some odd reason, I keep getting -0.5325989. I can't come up with any of the answers given.

153. ## physics

if a period is doubled, than the length of the pendulum should be ? A) increased by root 2 b) quartered c) quadrupled d) halved e) doubled

154. ## math

the bottom of a 25 foot ladder is placed 7 feet from a wall. how far up the wall will the ladder reach?

155. ## world geography

the netherlands protects its lowland area: a. with dikes to hold back the sea

156. ## english

Happiness is a state of mind that can be brought on by seeing a good friend.

157. ## enaglish

My mom said her greatest achievement was when she had me.

158. ## MATH

You have 43 marbles. You divide them equally among some sacks. How many sacks must you use to get fewer than 8 marbles in each sack?

159. ## english

correct any erroes. Neither the players nor the coach agree with the referee’s call.

160. ## math

what is the answer to 5z-1=?, 8s+4= etc. im thinking it is 5x3 (z=3)-1 equals 14. am I right?

161. ## English

1. Do you have a technical English terms for 'animals' teeth? 2. The squirrel is a little heavy. 3. The rabbit is somewhat small. 4. The puppy is rather medium. 5. The parrot is kind of small. (Are the expressions all grammatical? Do you have more

162. ## College Algebra

A gardener wants to fence in her plot in two equal rectangular sections. If she has 120 yards of fence and the area of the entire plot is 384 yd 2, find the possible dimensions in yards of the garden.

163. ## math

order Tegretol 0.2g. Available: Tegretol 100 mg/tab. Dose to be given?

164. ## WRITING!

Pretend you are wandering around an old house with a group of friends while your parents are away. One of your friends finds a secret door. What is behind the door? Do you and your friends follow it? Where does it go?

165. ## us history

why did California's request for statehood cause a crisis in congress?

1) A 1320 kg demolition ball swings at the end of a 34.3 m cable on the arc of a vertical circle. At the lowest point of the swing, the ball is moving at a speed of 3.32 m/s. Determine the tension in the cable. F=ma (34.3)(3.32) = 113.87 Ia this correct?

167. ## english

correct any errors. I think everyone needs to do their best to get the job done. Did anyone leave their keys on my desk? My dad says nobody know how to do their fair share of the work on this job. Four years of college classes are a long time without an

168. ## world geography

beginning in the late_____, the industrial revolution transformed europe into a land of cities.

169. ## History

What Were Characteristics of Renaissance Art?

170. ## Chemistry

What volume of 6.0m H2SO4 is needed to prepare 0.5L of a 0.3M H2SO4 solution?

171. ## science

What 2 things do plants need to grow and thrive?

172. ## world geography

since the 1970s, european government have tried to limit: c. economic growth?

173. ## Geometry One multiple choice question!

Write the ratios for sin A and cos A. {picture is of a right triangle, ABC. segment AC is 8, segment AB is 17, and segment CB is 15.} sin A=15/17, cos A=8/17 sin A=15/8, cos A=8/17 sin A=15/17, cos A=8/15 sin A=8/17, cos A=15/17

174. ## Chemistry

Calculate the final pressure on the addition of 2.0 g He(g) to a vessel of 10.0 L fixed volume already containing O2(g) at 25°C and 740 mm Hg

175. ## Enlish III

The graduation cermoney lasted only two hours. What part of the sentence is lasted only two hours? A) verb B) compound verb C) complete Predicate D) Complete subject

176. ## science

the threat of global warming is mainly associated with ? 1 radioactive wastes 2 use of hydroelectric energy 3 burning of fossil fuels 4 thermal pollution of lakes and rivers

177. ## Math

A Company makes and sells sailboats. The company's cost function in thousands of dollars is C(x)=2x+20, and the revenue function in thousands of dollars is R(x) =4x, where x is the number of sailboats. Evaluate and interpret C(5).

178. ## Chemistry

Derive a formula for the molar mass of the solute in terms of the freezing point depression, deltaT, the freezing-point constant, Kf, and the masses of solvent, msolvent, and solute, msolute, used in an experiment like this one. SHow your work and include

179. ## Art

Could you please check the following corrections? Thank you, Writeacher 1) He offers her to let her remain in the country house. Correction: he offers to let her remain in the... 2) She invites her to remain... 3) He offers her to return to her parents. He

180. ## world geography

a system in which monarchs or lords gave land to obbles in return for pledges of loyalty was known as: d. feuldalism

181. ## Spanish

Please check-I had to correct the first sentence to make it correct in the second No hablé con alguien en la escuela No, hablé con nadie en la escuela.

182. ## CALCULUS

Solve the differential equation: dy/dx = x (y^(1/3))

183. ## physics

Citizen's band (CB) radio utilizes frequencies between commercial AM and FM. What is the frequency of a 11.34 m wavelength CB channel? 1 MHz How do you solve for MHz

A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 17.4 m/s at an angle of 35.0¢ª above the horizontal. It rises to its maximum height and then falls down to the green.

185. ## Math

What would the rate of return be on an Individual Retirement Account with a contribution of \$2000.00, at 4% Interest rate, for 5 years?

1) A box is sliding up an incline that makes an angle of 14.0 ° with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.176. The initial speed of the box at the bottom of the incline is 3.72

187. ## world gegraphy

since the fall of communism, some eastern europeans have: a. taken steps to return to a communist system of goverment b. had difficulty adapting to a free market system c. cleaned up their environment problems d. all of the above

A jet flying at 106 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, and the mass of the jet is 2.40 × 105 kg. Calculate the magnitude of the necessary lifting force. Would I use the equation Fc=mv^2 / r ??

189. ## world geography

state farms in communist europe were run by: a. small independent collectives b. individuals c. the government d. specialists in enviromental science

190. ## Algebra

-190b=-105-25bsquared what is that using binomials

191. ## physics

What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 5.59 m/s when going down a slope for 2.79 s? (b) How far does the skier travel in this time?

192. ## Literature

Write a speech and try to capture the narrators fellings. Write the first page of the speech the narrator might have written. "I Hear American Singing" and "Song of Myself" by Walt Whitman.