# Questions Asked onDecember 9, 2013

1. ## Science--HELP!!

1. In which of the following situations is a sound wave most likely to travel through air? A) An alarm clock rings in a vacuum. B) A giant star explodes. C) A grasshopper eats a leaf. D) An astronaut uses tools in space. 2. Which of the following factors

2. ## math plz help

write the fraction 5/6 as a percent.rounded to the nearest hundredth of a percent where necessary A.33.33% B.66.67% C.83.33 D.1.20%

3. ## math

what is the answer to the math pizzazz E-30? What is the title?

4. ## math

Which of the following statements is always true of similar polygons

5. ## science

after six half-lives what percentage of a radioactive sample will remain? a) 0%-1% b) 1%-3% c) 3%-6% d) 6%-10%

6. ## Differential Calculus

At 9am ship B is 65 miles due east of another ship A. Ship B is then sailing due west at 10mi/h and A is sailing due south at 15 mi/hr if they continue in their respective course when will they be nearest to one another? and how near?

7. ## science

How is biodiversity related to human activities that use natural resources? A.biodiversity decreases as humans use natural resources wisely B.biodiversity decreases as humans limit there use of natural resources C.biodiversity increases as humans deplete

8. ## Algebra 1 (Reiny or Kuai)

1. The school band sells carnations on Valentine's Day for \$2 each. They buy the carnations from a florist for \$0.50 each, plus a \$16 delivery charge. a. Write a system of equations to describe the situation. A: y = 2x; y = 0.50x + 16. b. Graph the system.

9. ## Trigonometry

change 8 cis 240 degrees to rectangular form

10. ## math

What is the amount of the trade discount on merchandise that a vendor can receive with a list price of \$7,700 and a trade discount of 20.5%?

11. ## science

which of the following will make it harder in the future to develop sustainable methods for humans using resources? A.biodiversity decreases as humans use natural resources wisely B.biodiversity decreases as humans limit there use of natural resources

12. ## science

Complete the following sentence with the best phrase below. Removing just one species from an ecosystem: A.would have no effect, because it is just one species of many B.would have little effect, unless it was a keystone species C.would have a negative

13. ## science

which of the following pairs of terms could be used to describe a bullfrog that is active at night and enters a state of complete inactivity during cold months? A. cooperation and hibernation B. aggression and circadian rhythm C.circadian rhythm and

14. ## the old man and the sea

What are Santiago's feelings about the marlin as the second night approaches? A. He is tired of the struggle and just wants it to end. B. He is awed by the marlin's determination to fight. C. He wishes he never caught the fish. D. He fears the fish will

15. ## math

Yumi's grandparents presented her with a gift of \$11,000 when she was 8 years old to be used for her college education. Over the next 9 years, until she turned 17, Yumi's parents had invested her money in a tax-free account that had yielded interest at the

16. ## science

which of the following will make it harder in the future to develop sustainable methods for humans using resources? A. there will be fewer renewable resources B.more humans will populate the earth C.biodiversity naturally reduces over time D.more humans

17. ## Chemistry(DrBob222)

So, i did this lab, a solubility and thermodynamics lab of KNO3, and in it we had to determine the delta h delta g and delta s, the question i have is what is the relationship of the signs delta h, delta s, and delta g, to the dissociation of the salt and

18. ## science

Which of the following could help reduce loss of biodiversity? A. increasing construction of tall buildings B. increasing farming operations C. increasing conservation measures. D. increasing the human ecological footprint

19. ## math

an ice cube that is 8 cm on each side is melting at a rate of 4 cm^3 per min. how fast is the length of the side decreasing?

20. ## math

The management of Gibraltar Brokerage Services anticipates a capital expenditure of \$23,000 in 4 years for the purpose of purchasing new computers and has decided to set up a sinking fund to finance this purchase. If the fund earns interest at the rate of

21. ## Statistics

True or False If a sample of at least 30 scores is randomly selected from a normal population, the sample mean will be equal to the population mean.

22. ## Law

When an appellate court reverses a lower court’s decision, it: A. sends the case back to the trial level for further action consistent with the appellate decision. B. nullifies or sets aside a trial verdict. C. sets the defendant free. D. None of the

23. ## English

State the meaning of the word eradicate as it is used in the following sentence. Then, identify the context clue that you used to understand the meaning: definition clue, synonym, example clue, contrast clue, or inference clue.

24. ## Algebra 1b!

1. Find the excluded value of x for the polynomomial expression 4x/6 a. 6 b. -6 c. 1/6 d. -1/6 2. Simplifly 3-2x/7 + 4x+5/7 a. 2x+8/14 b. 2x+8/7

A submarine is travelling parallel to the surface of the ocean at a depth of 626m. It begins a constant ascent in order to reach the surface after travelling a distance of 4420m. The ascent takes 35mins. A.) what angle of ascent or angle of elevation would

26. ## CHEMISTRY

I haven't learned half reactions for oxidation and reduction so please teach me by leading me from step to step.... I don't get this.. Sn2+ +2Fe3+---> Sn4+ +2Fe2+ The answer key says Oxidation: Sn2+--->Sn4+ +2e- Reduction: 2Fe3+ + 2e----->2Fe2+ **where did

27. ## Music--HELP!!

1. What is the quality of the triad if the bottom third is minor and the top third is major? A) Major B) Minor C) Augmented D) Diminished 2. Which part of the triad is in the lowest voices? A) Root B) Third C) Fifth D) Seventh 3. In a major key, which

28. ## Algebra 1 (Reiny or Kuai)

1. Which x-values should I choose to graph these equations (y = x; y = -x + 6) so that they intersect? 2. The school band sells carnations on Valentine's Day for \$2 each. They buy the carnations from a florist for \$0.50 each, plus a \$16 delivery charge. a.

29. ## Math-Precalculus-Parametric Equations - Ellipses

The graph of the equation (x-h)^2/(a^2) + (y-k)^2/b^2 = 1 is an ellipse with center (h,k), horizontal axis length 2a, and vertical axis length 2b. Find parametric equations whose graph is an ellipse with center (h,k), horizontal axis length 2a, and

30. ## Geometry

I need an example of two cereal boxes that have the same volume but different surface area. I need the brand and box sizes. Then I need to pick one of the cereal boxes and redesign it so that it has the same volume but less surface area. Why do you think

31. ## Math

Rudy drove his car 9,600 miles last year. His total car expenses were \$625 for the year. Find the average cost per mile. (Round off your answer to the nearest hundredth)

32. ## MATH

Sometimes, people say “Give 110% of your effort.” Is it possible to give 110% of your effort? Is there ever a situation where you might have a percent over 100? If no, explain why. If yes, give a scenario where a percent over 100 makes sense.

33. ## STATISTICS

Program evaluation differs from policy analysis with respect to _____. a. the time dimension within the policy process b. the cost c. the time d. the role of the stakeholder

34. ## Help me with this science. 30 POINTS .

1. Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? (1 point) nitrogen-fixing bacteria denitrifying bacteria decomposers producers 2. Which step in the nitrogen cycle is accelerated at

35. ## Geometry

Quadrilateral RUBY is a rectangle. Which of the following statements MUST be true? Check all that apply: [] All four of the sides of RUBY are equal. []All four of the angles of RUBY are equal. []RUBY has two pairs of parallel opposite sides.

36. ## STATS

Policy analysis searches for _____. a. infeasible courses of action b. the generation of information and collection of evidence of the benefits c. the consequences that would follow the implementation of various courses of action d. fluidity and does not

37. ## LAW

1. A “bright-line” decision may be helpful because: A. it is subject to very little interpretation. B. it promotes clarity and predictability. C. it promotes consistency. D. All of the above. is it D

38. ## math-true/false

9.)The actual weight of 2-pound sacks of salted peanuts is found to be normally distributed with a mean equal to 2.04 pounds and a standard deviation of 0.25 pounds. Given this information, the probability of a sack weighing more than 2.40 pounds is

39. ## LAW

1. Which of the following is a relevant constitutional amendment in criminal procedure? A. The Fourth Amendment B. The Fifth Amendment C. The Sixth Amendment D. None of the above im confused between A and D 2. When an appellate court reverses a lower

1. Why is it rare for the soft parts of an organism to become a fossil? The soft parts take a long time to decay. The soft parts can be eaten by other animals. The soft parts cannot be buried in sediment. The soft parts form petrified fossils. 2. Which of

41. ## CALCULUS!!!!!

At 9am, ship B was 65 miles due east of another ship, A. Ship B was then sailing due west at 10 miles per hour, and A was sailing due south at 15 miles per hour. If they continue their respective courses, when will they be nearest one another?

42. ## Calculus

Y=5x^4 -24x^3+24x^2+17 is concave down for which interval? A) x0 C) x-2/5 D) x2 E) 2/5 < x < 2 I know you take the second derivative...but I keep getting stuck with something that won't factor right?

43. ## statistics

Ten members of a fraternity take a statistics course. Here are their scores on the first exam in the course. 61,74,47,60,62,63,65,79,55,85. In all 135 students took the exam. The third quartile for all 135 scores was 69. How many students had scores higher

44. ## math

a plane travels 1020 miles from new york city to minneapolis in 3.3 hours. the return trip takes 2.75 hours. how fast is the plane flying in miles per hour during the return flight?

45. ## english

Read the paragraph below and complete the cause-and-effect chart. Erosion is a natural process. During the erosion process, soil and rocks are worn away by the elements. Most erosion results from a combination of several factors, including heat, cold,

46. ## Math

A can of ham weighing 7.75 pounds costs \$11.86. What does the ham cost per pound? (Round to the nearest cent.) The answer is 1.50 right?

47. ## English 111

33. I'll make a centerpiece out of it. 36. I thought it was a funny joke, but I didn't think you'd get sick. 37. We must persevere and not be implicated in wrong doing as we push ahead in this fight. 43. I don't believe in religion, but kept my eyes closed

48. ## physics

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?

49. ## help me pls geometry

Which tirangles must be similar 1. Two right triangles with a congruent acute angle 2. Two obtuse angles 3 Two isosceles triangles with congruent bases 4. Two scalene triangles with a congruent angle

50. ## Math

At the beginning of the month, Jim's bank balance was \$275.38. During the month he wrote the following checks: \$174.89, \$68, and \$57.76. He made deposits of \$250 and \$350. Find his bank balance at the end of the month. Please help!

51. ## science

which of the following would help decrease the human ecological footprint? A.using bottled water instead of tap water B.using public transportation instead of riding in a car C.buying books instead of borrowing from the library D.using hot water instead of

52. ## Math

Jean has a total of 24 coins consisting of just quarters and nickels. The coins total \$3.40. How many of them are quarters?

53. ## STATS2

Policy analysis searches for _____? a. the generation of information and collection of evidence of the benefits b. the consequences that would follow the implementation of various courses of action c. fluidity and does not always “start at the beginning

54. ## Help me pls geometry

UVW~XYZ, UV= 15, UW=25, and XZ=60. If the perimeter of XYZ is 168, what is the perimeter of UVW?

55. ## English

It is very general question. I am supposed to write 2,000 words analytical essay but my teacher told me based on my topic I need to write it in journal entry with only intro being 200 words. When I hear "journal entry", it is not the same as an essay. Do

56. ## Geometry

Kelly drew four points A, B, C, and D in her notebook. A straight line joins points A and C. Another straight line joins A and B. A point D is located on the left of the line AB Kelly made the following statements about the points. Statement 1: There is at

57. ## English

State the meaning of the word eradicate as it is used in the following sentence. Then, identify the context clue that you used to understand the meaning: definition clue, synonym, example clue, contrast clue, or inference clue. Researchers continue their

58. ## social studies

what was the purpose of the code noir ? a) to keep the enslaved people from having civil rights b) to govern the conduct of enslaved people c) to free the enslaved people after a certain number of service years d) the legalize slavery

59. ## chem help

How many moles of N are there in 2.6 moles of NaNO3?

60. ## physics

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?

61. ## physics

A 0.67-kg metal sphere oscillates at the end of a vertical spring. As the spring stretches from 0.10 to 0.21 m (relative to its unstrained length), the speed of the sphere decreases from 5.35 to 4.55 m/s. What is the spring constant of the spring? (The

62. ## Chemistry

What is [H+], [OH-], pH, and pOH for a 0.048mol/L solution of the weak benzoic acid, C6H5COOH?

63. ## English

Are the pronouns I put down right? My answers are the ones in parentheses 1. The trip led to an argument between Helen and _____. (I) 2. It was ____ who demanded an apology from the newspaper. (us) 3. We appreciated ____ writing a personal letter to

64. ## Chemistry

1 L of 0.002 mol/L Pb(NO3)2 has been prepared. Given that ksp for PbCl2 is 1.7 x10^-5, what is the largest number of moles of nacl that can be added to this solution without causing a precipitate to form.

65. ## Science

How are the reactants and products of photosynthesis and cellular respiration related?

66. ## Geometry

Find the missing numbers for the dimensions and measures of a rectangular prism... Length 5 m Width ? Height ? Surface Area 94 m to the second power Volume 60 m to the third power Please answer the one's with a ?. Thank you.

67. ## Physics(Help!!!!)

A person of mass m2= 85.0 kg is standing on a rung, one third of the way up a ladder of length d= 3.0 m. The mass of the ladder is m1= 15.0 kg, uniformly distributed. The ladder is initially inclined at an angle Î¸= 35.0âˆ˜ with respect to the

Ill be concise:60% of people in survey had income greater than 25k, 40% under 25k. Further, same survey, 70% have exactly 2 cars, while 30% have a different number than 2. The probability that the residents own 2 cars IF income is over 25k is 80%. what is

69. ## physicS IMP PLS

Consider a rocket in space that ejects burned fuel at a speed of Vex = 1.5 km/s with respect to the rocket. The rocket burns 5% of its mass in 280 seconds. (a) What is the speed V of the rocket after a burn time of 140 seconds (in m/s)? (b) What is the

70. ## Compters

The major reason for the predominance of the PCI bus in the latest models of PCs is that A. the size and form factor make it easy to package. B. it's exclusively manufactured in the USA. C. the technology was released as open source. D. it uses ASSEMBLER

71. ## history

Empires have been built throughout history. Apart from those that are built on the basis of religion, what would be the real reasons for their expansion? 1.Would it more of material greed or more of noble visions of the leaders? For example to achieve

72. ## social studies

why was it necessary to move fort maurepas a) native Americans kept attacking the fort b) the sandy soil the fort stood upon was useless for growing c) the king of france did not want the fort to be in a place that everyone could easily see d) the harbor

73. ## Mass Media

The question is list and explain 3 public relation activities. Take a current news story and explain how each of these would be used.. I have the first part answered for 3 public relation activities 1) Research- Define the problem, Identify public, test

74. ## math

How many edges are in K15, the complete graph with 15 vertices

75. ## biochemistry

You have purifiedLDH using affinity chromatography. Using the bradford assay you determined the total protein concentration of the column fraction to be 10 mg/ml in a final volume of 2.4 ml. You diluted some of your column fraction to 1 mg/ml using SDS

76. ## Physics

At 1.5 km from the transmitter, the peak electric field of a radio wave is 350 mV/m. (a) What is the transmitter’s power output, assuming it broadcasts uniformly in all directions ? (b) What is the peak electric field 10 km from the transmitter ?

77. ## physics

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?

78. ## physics

A block of mass m= 3 kg is initially at rest on a horizontal surface. At time t=0, we begin pushing on it with a horizontal force that varies with time as F(t)=βt2, where β= 0.6 N/s2. We stop pushing at time t1=5 s [F(t)=0 for t>t1]. (a) First, assume

79. ## History

Empires have been built throughout history. Apart from those that are built on the basis of religion, what would be the real reasons for their expansion? 1.Would it more of material greed or more of noble visions of the leaders? For example to achieve

80. ## Geometry about the circles

1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent

81. ## Physics

if 2.7j of work is done in raising a 180g apple how far is it lifted

82. ## Science

A monkey that weighs 270 newtons is hanging from the branch of a tree. What is the size and direction of the monkey's force on the tree branch?

83. ## math

A garden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m 2 . Draw two possible gardens. Determine the dimensions of each part of the garden, and justify your choice of these dimensions

84. ## Geometry

Find the missing numbers for the dimensions and measures of a rectangular prism... Length ? Width 2.5 m Height 4.6 m Surface Area ? Volume 172.5 m to the third power Please answer the one's with a ?. Thank you.

85. ## Astronomy

A possible trajectory for sending a spacecraft to Mars is an elliptical orbit with Earth at its perihelion and Mars at its aphelion. The craft would be launched out of low-Earth orbit by a quick burst of rockets into solar orbit, and would then "coast''

86. ## Astronomy

1. In this collection of problems we will try to use what we have learned to see what information about a hypothetical Solar System planet we can extract from observations. The planet, Nursat, is observed to be in opposition every 374 days. Use this

87. ## combinatorical mathematics

At Brilli's zoo, she is trying to train a monkey to learn how to count. The monkey is given a stack of cards, numbered 1 to 30, in some random order. The cards are laid out from left to right. Each time the monkey moves the card numbered i+1 to the

88. ## ENGLISH

A hypothetical example is: A. A false example B. not real but can happen C. an example to prove a hypothesis d. has no place ina speech

89. ## volcanoes

what supplies do you need to make a volcanoes lava if you were to make a volcano. What would be the best thing to use to make a volcano?

90. ## Customary units

A sculptor has a 3lb block of clay he adds 24 oz of clay to the block in order to make a sculptor. What is the total weight of the clay before he stars to sculp. (Have to show work)

what are three equivalent fractions for 6/11 and 6/9 and 5/8

92. ## English

I have to write a memo for english class. This is the information and my memo. In this written assignment you will need to focus on your audience, plan the details of your message, check the five C’s and proofread carefully to make sure that your

93. ## Financial Accounting

After all events have been recorded, Lang's obligations to creditors represents what percent of total assets? a).record the events under an accounting equation b. After all events have been recorded, Lang's obligations to creditors represents what percent

94. ## Chemistry

A sample of ca(oh)2 is allowed to stand in distilled water until a saturated solution forms. A 50.00 mL sample of this saturated solution is neutralized with 24.4 mL of 0.05 mol/L Hcl 2hcl+ ca(oh)2>cacl2+2h2o Use this information to calculate the ksp for

95. ## public speaking

when speaking about abstract concepts, make them concrete to the audience by?

96. ## Social Study's

I am only having problems answering 1 question, here it is: 13. Why do nations form alliances? Give examples of different kinds of alliances and explain their proposes. (5 points)

97. ## Gov

Indecency is protected under the first amendment whereas obscenity isn't.. is it protected as freedom of expression?

98. ## 8th grade science :(

How are the Heliocentric Model and the Geocentric Model Similar? List as many ways as you can.

99. ## sound

The maximum distance a molecule has been moved from its normal position by a wave is

100. ## mth-stat-help-plz

In conducting a hypothesis test for the difference in two population means where the standard deviations are known and the null hypothesis is: o H : uA - uB ≥ 0 What is the p-value assuming that the test statistic has been found to be z = 2.52? A)

101. ## science

A 50 N girl climbs the ladder with a 60 N painting in 5 seconds. She has done 120 J of work. How much power does she need?

102. ## PHYSICS(HELP)

A ruler stands vertically against a wall. It is given a tiny impulse at θ=0∘ such that it starts falling down under the influence of gravity. You can consider that the initial angular velocity is very small so that ω(θ=0∘)=0. The ruler has mass m=

103. ## Algebra 1

The minimum recommended width of the space between 6-inch by 6-inch tiles is 2^-2 inch and the maximum recommended width is 2^-1 inch. Simplify the expressions for the minimum and maximum widths of the space between the 6-inch by 6-inch ﬂoor tiles.

104. ## Chemistry

Use equations to explain how a buffer system, such as hno2:no2, reacts with h3o and oh?

105. ## Statistics

A sample of n = 9 scores is obtained from a population with ƒÝ = 70 and ƒã = 18. If the sample mean is M = 76, then what is the z-score for the sample mean? a. z = 0.33 b. z = 0.50 c. z = 1.00 d. z = 3.00

Mary baked a dozen M&M cookies. There were 45 M&M's in the bag. Each cookie had a minimum of 3 M&M's. What are all the different possibilities?

107. ## science

The acceleration of gravity is a constant equal to

108. ## MATH

If (x,7) is a solition to the equation 5x-y=3, what is the value of x?

109. ## English

I have an urgent question. I'm going to Australia for my holiday. I can speak English pretty well and i could practise it while I was there. (is it grammatically correct? Is the meaning that of a conditional clause? Thank you very much in advance

110. ## English

How do you pronounce Tariq and Karim? Which syllabel do we have to stress in each proper noun? The first syllabl or the second syllable?

111. ## science

what are some similarities between Pahoehoe lava and Scoria aa lava?

112. ## language art 8

Please help me, i really need to get this. the only question/essay im stuck on. Answer the following questions about the essay "Escaping." Give an example of one internal and one external conflict from the selection (5 points). I need your help!

113. ## Astronomy

1. At opposition, Nursat(is observed to be in opposition every 374 days.) is observed to subtend an angular radius of 7.1523 arcseconds. Use this and the conversion factors in our Table of Constants to find the radius of Nursat in km. 2. Nursat has a moon,

114. ## key boarding and word processing

You want to include a title page for a report you're sending out. How should you format the title on this page?

115. ## math

Write the decimal as a fraction or mixed number. 4.488

116. ## chemistry

You have purifiedLDH using affinity chromatography. Using the bradford assay you determined the total protein concentration of the column fraction to be 10 mg/ml in a final volume of 2.4 ml. You diluted some of your column fraction to 1 mg/ml using SDS

117. ## Psychology

17 Albert Ellis depicts the relationship between irrational belief and negative emotions through use of: a. a contingence contract. b. dialectrical theory. c.the A-B-C model. d. observational learning.

118. ## College Algebra 105

use the rational zero's theorem to list the potential zero's of the polynomial function. Do not attempt to find the zero's f(x)=-169x^7-x^6+x+13 and then the second part is find the potential rational zero's.

119. ## MATH

If (-2,y) is a solution to the equation 2x-3y=5, what is the value of y?

120. ## Algebra 1

The sume of two numbers is 28 and their difference is 4. What are the numbers?

121. ## Algebra 1

The minimum recommended width of the space between 6-inch by 6-inch tiles is 2^-2 inch and the maximum recommended width is 2^-1 inch. Simplify the expressions for the minimum and maximum widths of the space between the 6-inch by 6-inch ﬂoor tiles. I got

122. ## social studies

the fact that copper and gray northern flint was found at the poverty point suggests that poverty point inhabitants a) used materials they mined from earthworks b) traded for goods from faraway places c) had the first indoor plumbing d) experienced a

123. ## English

It's a good thing (that)I'm far away from my family. ------------------------------ Can we omit 'that'? Is 'It' a false subject and is 'that I'm...' a real subject?

124. ## Physics(URGENT!!!!)

A ruler stands vertically against a wall. It is given a tiny impulse at Î¸=0âˆ˜ such that it starts falling down under the influence of gravity. You can consider that the initial angular velocity is very small so that Ï‰(Î¸=0âˆ˜)=0. The ruler

125. ## mechanics

I refer to the verse 22:78. “And make jihad in God’s cause with true jihad. It is He who has chosen you, and has laid no hardship on you in religion; the creed of your forefather Abraham. It is He who has named you Muslims, in bygone times and in this

126. ## UTM MALAYSIA

From Anas bin Malik, may Allah be pleased with him, who said: “The Messenger of Allah, sallallahu `alayhi wa sallam, said: ‘Whoever prays the morning prayer in congregation then sits remembering Allah until the sun rises, then prays two units of prayer

127. ## Psycology

. Which of the following is the MOST accurate conclusion one can draw about the mental health field?

128. ## Trig

Sum and diffence formula Finding Exact value of Tan 105-Tan 10)-15)/1+ tan(105)Tan(-15)

129. ## Math

Find the greatest ten digit positive multiple of 12 using each digit once and only once.

130. ## STATISTICS HELP

A student wishes to test the accuracy of the measuring jug she is using in an experiment. The label on the jug claims that it measures volume to an accuracy of plus or minus 5 cm3. The density of water is about 0.999 g cm−3, which means that 100 cm3 of

131. ## Language Arts

What did Thura’s family and Zdenko’s parents choose to do when they were faced with overwhelming conflicts?

132. ## calculus

Differentiate 3x+2(37,500,000/x) I know the answer is suppose to be 3(x^2-25,000,000)/x^2 but I'm not sure how to get there.

133. ## English (HELP)

I need an example of a regular writing scene portfolio and of a dramatic writing scene portfolio??????

Justin and jamal are playing a game with fraction tiles. When the bell rings for recess, the boys count their tiles. Justin started with 15 tiles. He lost 6 to Jamal. What fraction of his tiles does Justin have left?

135. ## English

Hello. Dear Writeacher, thank you a lot! Please answer two more questions: 1) in case of loyalty, they were granted additional benefits (is it natural, I mean "in case", maybe "in the case"?) 2)it proved enough for the increase of influence of the nobility

136. ## Math

I'm having trouble with working a problem out and need to see how to solve. The question reads as follow: Mark has 24 baseball cards. He says that 8/24 are pitchers, 5/24 are catchers, and the rest are fielders. What fraction below represents the

137. ## physics(URGENT!!!!!)

8.01xers Can anybody help with the falling ruler. I submission left(

138. ## Astronomy

1. Sun-grazing comet ISON disintegrated on November, 2013. Observation of the comet suggested an elliptical orbit with period 581,480 years. What would this predict for the distance from the Sun at the orbitâ€™s aphelion, the farthest point from the

139. ## Electricity

A battery is connected to the endpoints A and B of a homogeneous wire. Using an ammeter one finds that a current I = 1.5 A flows through the conductor. Then, the wire is bent in the form of a circle and the same battery is connected to points A and B. What

140. ## calculus

the tangent line to the curve y=x^2 at the point (a,a^2) passes through the point (2,1) find all possible values of a. Thank you so much!!

141. ## Math

Determine the remainder of the following polynomial by remainder theorem. x^3-4x^2+x-6 divided by x+2. If x+2 is a factor, determine the remaining factors.

142. ## instrumental anaylsis

We were given an unknown to identify using UV-VIS spec based on the wavelength of maximum absorbance and the shape of the curve produced. One of the questions at the end of the report is "Are you able to identify the chromophore? Describe." I'm not exactly

143. ## Physics(Help!!!!!!)

A stick of length l = 65.0 cm rests against a wall. The coefficient of static friction between stick and the wall and between the stick and the floor are equal. The stick will slip off the wall if placed at an angle greater than Î¸ = 39.0 degrees. What

Mrs. Rodriguez mixed water and plant food in a container and filled the container until it measured 6/8 gallon. She poured 4/8 gallon of the mixture on her geraniums and 1/8 gallon on her petunias. How much of the mixture did she have left after pouring ot

145. ## Child Develpoment

IS dramatic play a form of creative arts

146. ## Math

How much must be invested to have 25,000.00 after 5 years in an account drawing 7% interest compounded continuously?

147. ## Chemistry #4

What is the concentration of a solution formed by dissolving 10.0g of ammonium acetate in enough water to form 150.0mL of solution? Could someone please explain and show me how to do this? I have the answer= .865M But I am not sure exactly how?!

148. ## Astronomy

1. Consider an asteroid of radius 2 km and density 2,500 kg/m^3 impacting the Earth. When it collides with the surface its kinetic energy is, to a large extent, dumped into the environment, some as heat vaporizing rock and some as mechanical energy

149. ## science

I need the definition of an observation that use color, shape, texture, smell, taste

150. ## Math

Determine the zeros (approximate to one decimal place if necessary) y=x^3-2x^2-3x+4

151. ## social studies

why did the neo native americans groups settle down into communities ? a) to stay clear to euorpeans b) to make alliances against the europeans c) to farm d) to stay near water

152. ## Trigonometry

simplify square root of ( 2 cos 47 degrees)(3 square root of 8 cis 89 degrees)

153. ## English

I said 'Stop! We must get Mr Carter.' Someone found Mr Carter and he ran over to us. ------------------------------ What is the meaning 'get' in the sentence? What other similar expressions can we use?

all

155. ## Astronomy

In fact, more precise calculations suggest that ISON was on a hyperbolic, unbound orbit. How much more precise? Find the minimal speed with which the comet would have had to be moving when observed at perihelion in order to eventually escape the Solar

156. ## Astronomy

For an object of mass m in a circular orbit of radius R under the gravitational influence of a center of mass M, find an expression for the total energy, the sum of kinetic and potential energy (with potential energy at infinite distance set to zero), in

157. ## Astronomy

The volume of a ball is given in terms of its radius by V=(4*pi/3)*R^3. Use this to find the average density of Nursat, i.e. the mass per unit volume. Use Earth'€™s mass in kg from the Table of Constants to express your answer in kg/m3.

158. ## Homework - Math

Multiplication Of Polynomials 1. 7a(5x^2-2xy+y^2-4xy)= 2. -a^4(a^2b^2+2ab-3+6ab+8)=

159. ## math

If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).

160. ## MATH

If (3,y) is a solution to the equation y=2x+4, what is the value of y?

161. ## Math

Use the function y=x^3-2x^2-3x+4, approximate the slope to the curve at x=2

162. ## science

how would 10 grams of helium be different that 10 grams of helium in a sealed container.

163. ## MATH

If (-2,y) is a solution to the equation 2x-3y=5, what is the value of y? I'm having trouble with this one

164. ## Physics

what is the accuracy percent of 11 divided by 267 times 100?

165. ## social studies

why did the french feel that slavery was necessary to build the colony ?

166. ## Math

Are there any asymptotes of the function y= 3/x -1

168. ## social studies

which problem did bienville address first when he returned to serve as Louisiana governor a second time? a) food shortage b) indian relations c) lack of colonists d) money of shortage

169. ## Math

Factor 5x^2 -6x-4 I must be having an off day or something; this can factor, right!?

170. ## math

if I am at 94.44 in my class and I have a paper that is worth 10% if I don't do the paper what would it pull my grade down to

171. ## math

If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).

172. ## Calculus

If x^2=25-y^2, what is the value of [(d^2)(y)]/(dx^2) at the point (3,4)?

248/8= 31

174. ## math

In real-life describe Addition of Integers using Credit or debit, Deposits and withdrawals