# Questions Asked onSeptember 3, 2013

1. ## Physical Science

Energy from the sun reaches Earth mostly by A. conduction. B. convection. C. radiation. D. thermal expansion. I think it's A.

2. ## URGENTquestions for Math

A pair of jeans is on sale for 25% off the original price. Which expression represents the sale price? If the original price of the jeans is \$40,evaluate the expression to find the sale price. s=p-0.25 p;\$30 s=p-25:\$15*** s=p-0.25p;\$10 s=p-0.25;\$39.75

3. ## chemistry

Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produce 1.38kg of magnesium. How much fluorine (in grams) did the second sample produce?

4. ## Physics

Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 24 m/s at an angle 32 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. What is

5. ## English

Underline each complete subject once.Underline each complete predicate twice. 1. The boys and girls studied different kids of measures. 2. Some people of ancient times used cubits. 3. A cubit measured about twenty inches. 4. It was the distance from the

6. ## Physics

a)What frequency is received by a person watching an oncoming ambulance moving at 120 km/h and emitting a steady 700 Hz sound from its siren? The speed of sound on this day is 345 m/s. b)What frequency does she receive after the ambulance has passed?

7. ## math

(1) One day, Lucy and Tom had a picnic. (2) Lucy spread a tablecloth in the grass beside the millpond it was a pretty day for a picnic. (3) All went well until Lucy discovered that ants had invaded the lemonade. (4) They had also overrun the potato salad.

8. ## Math

rewrite the problem so that the divisor is a whole number: 8.5/2.3

9. ## URGENT Science question

Justin wants to be the captain of an aircraft carrier when he gets out of school. Which subjects should Justin study to help him prepare for this career? biomedical science and meteorology oceanography and paleontology chemistry and biology physics and

10. ## Physics

A light-rail commuter train blows its 200 Hz horn as it approaches a crossing. The speed of sound is 336 m/s. a)An observer waiting at the crossing receives a frequency of 205 Hz. What is the speed of the train?

11. ## Logarithm

The rate of auto thefts triples every 6 months. (a) Determine, to two decimal places, the base b for an exponential model y = Ab^t of the rate of auto thefts as a function of time in months. b = (b) Find the doubling time to the nearest tenth of a month.

12. ## Math

A plane flew an estimated distance of 800 kilometers. The greatest distance the plane could have flown is

13. ## calculus

Some scientists believe that the average surface temperature of the world has been rising steadily. They have modeled the temperature by the linear function T = 0.02t + 8.75, where T is temperature in °C and t represents years since 1900. (a) What do the

14. ## Geometry/algebra 1

Use the given area A of the rectangle to find the value of x. Then give the dimensions of the rectangle. A=91m^2 A=L•W L=(2x+3)m W=(x+2)m 91m^2=(2x+3)m•(x+2)m 91=(x+2)(2x+3) Now what?

Ryan has nine 14-ounce bags of popcorn to repackage and sell at the school fair. A Small bag holds 3 ounces. How many small bags can he make?

16. ## CHEMISTRY!! D:

1. A sample of gas under a pressure of 622 kPa has a volume of 233 cm3. The pressure is increased to 988 kPa, while the temperature remains constant. What volume will the gas occupy at this pressure? 2. The pressure exerted by a gas is 2.0 atm while it has

17. ## Geography

Why are there few subarctic climate zones in the southern hemisphere? My answer: There are few subarctic climate zones because the southern hemisphere possess a warmer climate than the northern hemisphere, where these climates are primarily located.

18. ## Math

Nia and Trey both had a sore throat so their mom told them o gargle with warm salt water. -Nia mixed 12 teaspoon salt with 3 cups of water. -Trey mixed 12 teaspoons salt with 112 cups of water. Nia tasted Trey's salt water.She said," I added more salt so I

19. ## Physical Science

If no friction acts on a diver during a dive, then which of the following statements is true? A. The total mechanical energy of the system increases. B. Potential energy can be converted into kinetic energy but not vice versa. C. (KE+ PE)beginning = (KE +

20. ## MATH

THE QUOTIENT IS 45 1/4 WHAT IS THE DIVISOR

21. ## Algebra 2

V=df-di/tf-tf; solve for tf Please show step by step procedure so I can understand how to solve this. Many thanks.

22. ## URGENTlast question for Math

Which word phrase can be used to represent the algebraic expression 4(21+n)? 4 plus the sum of 21 and a number n 4 times the product of 21 and a number n*** 4 times the sum of 21 and a number n 4 less than the sum of 21 and a number n Am I correct Steve or

Which of the following is an example of recycling? a. collecting and remelting aluminum beer cans b. cleaning and refilling soft-drink bottles c. selling used clothing at a garage sale d. saving leftovers in a peanut butter jar e. using household water to

24. ## science

A student measures the volume of a liquid and finds it to be 40 mL. How many significant figures are in that measurement Help me Mrs.sue!!!!

25. ## Math

4 accounting majors, 2 economics majors and 3 marketing majors have an interview for5 different positions with a large company. Find the number of dfferent ways that 5 of these could be hired. 4 accounting majors must be hired first then the final position

26. ## Math

a statue is 8 feet tall. the display case for a model of the statue is 18 inches tall. which scale allows for the tallest model of the statue that will fit in the display case?

27. ## URGENT MATH

A pair of jeans is on sale for 25% off the original price. Which expression represents the sale price? If the original price of the jeans is \$40,evaluate the expression to find the sale price. s=p-0.25 p;\$30 s=p-25:\$15*** s=p-0.25p;\$10 s=p-0.25;\$39.75

28. ## College Physics II

A steel wire and a copper wire, each of diameter 2.000 mm, are joined end to end. At 48.0°C, each has an unstretched length of 2.000 m. The wires are connected between two fixed supports 4.000 m apart on a tabletop. The steel wire extends from x =

29. ## math

The cost of renting tuxes for the Choral Society's formal is \$20 down, plus \$80 per tux. Express the cost C as a function of x, the number of tuxedos rented.

30. ## Math

Jill and Bill are two members of the Hill family. Jill is 8 years old and Bill is 9 years old. What will Bill's age be when the total of the digits in both their ages is once again 17?

31. ## math

Recently a census was taken on space station Gamma. Of the 100 residents interviewed, 75 traced their ancestry to the planet Omicron, 85 traced their ancestry to the planet Omega and 60 residents traced their ancestry to both planets. How many residents

32. ## Physics

Two cars lost in a blinding rainstorm are traveling across a large field, each thinking they are on the road. They collide. If the distance between them is 174 meters and the red car is traveling at 6 mph at a 45 degree angle toward the impact point, and

33. ## Physical Science

When opposite poles of two magnets are brought together, the poles A. attract each other. B. repel each other. C. cancel each other. D. cause a net force of zero. I think it's B.

34. ## Math

The regular admission price for an amusement park is \$72. For a group of 15 or more, the admission price is reduced by \$25. How many people need to be in a group to save \$500? Need Answer step by step.

35. ## math

Reasoning does (4+5) +2=9+2? Explain

36. ## English 11

Which of the following statements about common sense is not true

37. ## Probability

You catch and tag 100 fish from a lake and release them unharmed. The next day you return and catch 100 fish again, but only 20 of them are tagged. Estimate the total number of fish in the lake.

38. ## Urgent Language Arts

1) Which of the following sentences from "I know Why the Caged bird sings"contains context clues that help you understand the meaning of the word in italics? "Shame" made me want to hide my face.* She didn't " encourage" familiarity. The dress looks

39. ## Chemistry

a chemist needs 2.00 grams of a liquid compound witha density of 0.785 g/cm^3 density. what volume of compund is required?

40. ## physics

The electric field at the surface of a uniformly charged sphere of radius 6.0cm is 90kN/C . What would be the field strength 10 cm from the surface?

41. ## Acc. Algebra 2

A jar contains 40 coins consisting of dimes and quarters and having a total value of \$4.90. How many of each kind if coins are there?

42. ## finite math

Georgia purchased a house in 1998 for \$220,000. In 2003 she sold the house and made a net profit of \$50,000. Find the effective annual rate of return on her investment over the 5-yr period. Please round the answer to the nearest tenth of percent.

43. ## Physics

What must the charge (sign and magnitude) of a particle of mass 1.48g be for it to remain stationary when placed in a downward-directed electric field of magnitude 670N/C ? What is the magnitude of an electric field in which the electric force on a proton

44. ## Social Studies

What is nullification?

45. ## english

The best example of a Romance Hero is: a. Beowulf b. Gilgamesh c. The Wife of Bath d. Arthur I think it's d. Arthur... Am I correct?

46. ## Algebra

literal equation: solve for x ax=bx-c

47. ## chemistry

How many liters is 5.8 moles of neon (Ne) at STP?

48. ## science

About __________% of the world's human population lives in the developing countries. a. 20 b. 40 c. 60 d. 80 e. 90

49. ## chemistry

Polycarbonate plastic has a density of 12 g/cm3. A photo frame is contructed feom two 3 I n sheets of polycarbonate. Each sheet measures 28 cm by 22 cm. What is the mass of the photo frame

50. ## science

Since 1960, the gap between rich and poor, as measured by GNP per capita, has a. decreased, then increased since 1980. b. increased, then substantially decreased since 1980. c. increased, then substantially increased since 1980. d. decreased, then

51. ## Algebra 2

Express as a single logarithm. 1/2 log base b of (x-2)- log base b of y + (3 log base b of z) = log base 6 of (x-2)^1/2

52. ## Geography

How does location affect climate? My answer: Location affects climate as it determines it, by the distance from the equator.

53. ## Algebra 2

V=df-di/tf-ti; solve for ti Literal equations! I would really appreciate it if you posted the step by step procedure of this problem so I can understand it! Many thanks!

54. ## science

Calculate the area, with the appropriate number of significant figures, of a rectangular room that is 14.10 m wide by 15.0 m long. I need help asap!

55. ## French

This is the last question on this assignment and for some reason I can't figure it out... help please? Ecris une phrase complète avec le faire causatif. Mon ordinateur ne marche plus. Je vais demander à quelqu'un de me le réparer.

56. ## Acc. Algebra 2

Jan invested \$1200 at a certain simple interest rate and \$2200 at 3%higher. Her annual earnings were \$253. Find the two interests rate if she earned \$121 more on the larger investment than on the smaller.

Ryan has nine 14-ounce bags of popcorn to repackage and sell at the school fair. A Small bag holds 3 ounces. How many small bags can he make?

58. ## Acc. Algebra 2

At 10:30 am two planes leave to Houston, one flying east 560km/h and the other flying west at 640 km/h. At what time will they both ne 2100km apart.

59. ## Physics

A small bead of mass m and charge q is free to move in a horizontal tube. The tube is placed in between two spheres with charges Q = − q. The spheres are separated by a distance 2a. What is the frequency of small oscillations around the equilibrium point

60. ## English

In this sentence -- In this story, a nameless character goes outdoors on a terrible cold day in the Yukon. How many adverbs are there and what do they modify? Is it just "outdoors" and it modifies "goes"

61. ## physics

Find the field produced by a uniformly charged sheet carrying 93pC/cm2 .

62. ## science

The market value in current dollars of all goods and services produced within a country for final use during a year is the a. gross national product. b. gross world product. c. per capital GNP. d. per capita GDP. e. gross domestic product. Developed

63. ## Math

The regular admission price for an amusement park is. \$72. For a group of 15 or more, the admission price is reduced by \$25. How many people need to be in a group to save \$500?

64. ## English

Except for a dog he is traveling completely alone. How many adverbs are there? I know "completely " is one . Does it modify is traveling?

65. ## Physics

A light-rail commuter train blows its 200 Hz horn as it approaches a crossing. The speed of sound is 336 m/s. a)An observer waiting at the crossing receives a frequency of 205 Hz. What is the speed of the train?

66. ## social studies

find out about the theory of 'Continental Drift' and 'Plate Tectonics'.

67. ## Physics

Three sources of sound are distributed along a line, as shown in the figure. v is the speed of sound. Source A is at rest, and it emits sound waves with a frequency of 480 Hz. Source B is traveling at v/5 to the right, and it emits sound waves with a

68. ## Chemistry

Suppose you have two 100mL graduated cylinders. In each cylinder, there is 36.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 2.40cm on each side.

69. ## Geography

What is the difference between coniferous and deciduous trees? My answer: The difference between these types of trees is that coniferous trees are cone bearing trees which possess needle-like leaves, whereas deciduous trees are broadleaf trees which stay

70. ## General

What kind of questions would a detective ask a witness of a murder? how often would the detective come to the witness if he or she was closely related to the victims? ie daughter/son? this is for a writing assignment i have. all help is greatly

71. ## College Geometry

In this assignment, you examine a process that links polygons and circles. You will reach some quantitative conclusions about their respective areas and the relationship between the two. As you know, a regular polygon has sides of equal length and angles

72. ## Geography

What soil factors influence type of vegetation in a region? My answer: Such factors as depth, texture and human content of the soil influence type of vegetation in a region.

73. ## Math

Hannah has \$120. Hannah and Peter have \$230. Peter has 6 times as many money as Francine. How much money does Hannah have

74. ## Chemistry

Suppose you have two 100mL graduated cylinders. In each cylinder, there is 36.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 2.40cm on each side.

75. ## English

Is the word enemies a direct object or an indirect object. The electric eel stuns its enemies with an electric shock.

76. ## environmental science

Exponential growth a. remains constant. b. starts out slowly and remains slow. c. starts out slowly then becomes very rapid. d. starts rapidly and remains rapid. e. starts rapidly and then slows.

77. ## Science - physics

Imagine you need to deliver a piano over three steps. A longer ramp translates into less force necessary to raise the piano's height than a shorter ramp would require. Calculate the percentage smaller a force would be required using an 2.8m long ramp

78. ## Geography

What is the unique about vegetation in the desert and tundra regions? My answer: The characteristics of the vegetation are unique because the plants that live in these extreme climates are specially adapted to tolerate the dry or cold conditions.

79. ## science

suppose you have to wires of equal length made from the same materials. how is it possible for the wires to have different resistance

80. ## Chemistry II

What is the molar concentration of a solution produced by dissolving 1.234 g (NH4)2CrO4 in water and diluting to a total final volume of 300.0 ml? (mass of {NH4}2CrO4 is 152.03 g/mol).

81. ## vocabulary

which 2 words are most nearly opposite in meaning? Acute, bumbling, optional, taut Answer: Bumbling and Taut

82. ## vocabulary

choose the word that is most opposite: Anticipated your "sensible" behavior: (sham, berserk) Answer: Sham

83. ## Math

Search Results for "Ruth has some money in a savings account. after the bank adds 5% interest to her account , she has \$126. How much was in her account before the interest was added" How do i write this in an equation?

84. ## science

Linear growth a. is characterized by a rapidly growing population. b. is demonstrated by the sequence 12, 13, 14, 15, 16. c. is illustrated by the numbers 2, 4, 8, 16, 32. d. is characterized by resource use and consumption. e. is characterized by a slowly

85. ## Math

a cylindrical block weighs 6 kg. how much will another cube of the same metal weigh if its sides are twice as long?

86. ## Science/Biology

Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates

87. ## Social studies

How did prince Henry of Portugal influence the future of North and South America.?

88. ## health

What is the Affordable Care Act? A. A program that allows people who are at higher risk for chronic diseases to gain free memberships to gyms and fitness facilities. B. A program that covers diet counseling for people who are at higher risk for chronic

89. ## intro to stats

A very small population consists of 7 units, labeled a; b; c; d; e; f; g. How many di fferent samples of size 3 are there, for sampling without replacement, assuming that (a) samples are lists of units. (b) samples are sets of units.

90. ## Math

Would 72,060,964,765 look like the following in it's expanded form? 7X 10,000,000,000 + 2X 1,000,000,000 + 0X 100,000,000 + 6X 10,000,000 + 0X 1,000,000 + 9X 100,000 + 6X 10,000 + 4X 1,000 + 7X 100 + 6X 10 + 5X 1 been working on this for 1 hour!

91. ## Computer Science

Write a class “Program1” that has the method “allLess” (below) that receives two arrays of integers and returns true if each element in the first array is less than the element at the same index in the second array. For example, given the arrays

How does KH2PO4 induce controlled flocullation?

93. ## Math

How to make "freyer model" of 437?

94. ## math

one U.S. dollar is equivilant to \$1.34 dollars Canadian dollars. Write an algebraic expression the number of US dollars you get for the N Canadian dollars

Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates

96. ## Math

Karen is 8 years old and Kate is 9 years old. What will Kate's age be when the total of the digits in both their ages is 17?

97. ## math

Sally just got back from a vacation with her family. They had been driving for three days, travelling 8 1/2 hours each day. How many hours were they in the car altogether?

98. ## algebra 1A

What's 35ab/105bc simplified

99. ## environmental science

A sustainable society a. manages its economy and population size without doing irreparable environmental harm. b. satisfies the needs of its people without depleting Earth capital. c. protects the prospects of future generations of humans and other

Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates

101. ## Chemistry

a chemist needs 2.00 grams of a liquid compound witha density of 0.785 g/cm^3 density. what volume of compund is required?

102. ## Medical

Sorry about that, that was part of the question which relates to this question; As a health care administrator, how important is having the ability to read medical charts and reports? Why can abbreviations in charts be a cause of concern? How would you

103. ## Geometry

1. Why do you think that the slope of a vertical line is called "undefined?" 2. Can you find the equation of a line if you are given the slope and the x-intercept? If so, explain how. If not, explain why you can't.

Can you give me a word problem for 11/12 / 1/4?

105. ## vocabulary

The story of the men who first climbed to the top of Mount Everest is a(n) (facet / epic) of human courage and strength. answer: facet

106. ## Math

At the beginning of the year last year a math department budget was 15% of the total budget. This year it was 10% of the total budget. What percet did the math department budget decrease from last year?

107. ## Math

What is the shape of the power function that controls the end-behavior?

108. ## English HELP

I forgot the book of mice and men at school and I need to do homework with it. Does anyone know where I could read the book online? Thanks, if anyone could help!

109. ## health

How do you make mini-goals measurable? A. Find as many different ways to monitor your progress as you can B. Measure your progress in concrete ways C. Choose appropriate ways to measure your progress D. All of the above Is it D?

110. ## vocab

Vegetable is to perishable as a. iron is to durable b. pet is to gullible c. clown is to sinister d. argument is to logical answer is A

111. ## Science

Can a hypotheses be accepted as true after one test?

112. ## algebra

im trying to solve a literal equation, then solve the specific question first part is stumping me, im to solve for X ax=bx-c this is what I got ax-bx=c, but don't know how to get x by itself

113. ## science

Conservation International estimated that roughly _____% of the habitable area of the planet has been altered by human activities. a. 13 b. 33 c. 53 d. 73 e. 93 Which of the following choices would make the statement false? Economic growth a. provides

How are colloidal dispersions different from other types of dispersed systems?

115. ## algebra

Factor out the common binomial factor (5x+y)(x-y)-5x(x-y)

116. ## history

Write me a paragraph describing all the components of the English Bill of Rights that seem familiar or you know are the law in America.

117. ## health

When looking at nutrition labels, you should do the following: A. Look at only the serving size B. Check out the % DV column C. Look for foods that have 20% or less of fiber, calcium, potassium and Vitamin D D. All of the above Is it D??

118. ## Medical

As a healthcare administrator, the ability to read medical charts and reports is very important. It assists you in understanding the details on each patient's medical reports. [ By understanding this, you will be able to come up with strategies of

119. ## math

A very small population consists of 7 units, labeled a; b; c; d; e; f; g. How many di fferent samples of size 3 are there, for sampling without replacement, assuming that (a) samples are lists of units. (b) samples are sets of units.

120. ## English

The flames slowly grow stronger. Is the word "stronger" used as an adverb modifying the verb "grow."

121. ## Math

Explain what benchmark you would use to estimate the number of people that can ride on a bus.

122. ## Chem

What volume of 2.50 x 10-4 M CV+ solution should be diluted to 10.0 mL to prepare a 7.50 x 10-5 M CV+ solution Answer 1.00 mL 3.00 mL 5.00 mL 7.50 mL 33.3 mL

123. ## Physics

Why is the most common frame of reference Earth?

124. ## Algebra

Factor out the common binomial factor (5x+y)(x-y)-5x(x-y)

125. ## Algebra

Can you please show step-by-step how to do this problem? (4x^2 - x +5)/ (x^2/3)

126. ## math

How to find the degree of an angle?

127. ## Algebra

Solve for M: 3P = 12C + 10MC

128. ## Maths

Approximately 1 out of every 4 tax returns contains some type of error. Maria has 260 tax return that she must review how many of these returns are likely to contain error Can someone please help me with this question

129. ## Math

input/output table: 4,1 8,2 32,8 128,? 512,?

130. ## Social?

Hello! alright so this is basically a general knowledge kind of question but it's for my writing assignment. i'm not really sure what a preacher may say at a funeral and i've tried searchring on google and havent found any luck. so based on your experience

what are some advertisement ideas i could use using pathos,logos,ethos (choose 2) one that is short about 30 sec to a minute

132. ## math

i am a 6 digit number.All of the digits in the ones period are the same. All of the digits in the thousands period are the same. The sum of my digits is 33. Whats my number

133. ## Pre-Calculus

How to find domain of: y = -3 + ãx+6

134. ## psych question

I would like you to think about a salient event. How would that event currently shape the field of psychology (what gets funded, what gets studied)?

135. ## English

Is repeatedly an adjective or adverd in the sentence. - She questioned him repeatedly..

136. ## Algebra 1

What is 6 divided by 3/5?

137. ## Algebra 1

What is -2/3 simplified?

138. ## Algebra 1

I'm having trouble solving x=2(x-1)+6 I understand but I get confused on some of the problem and this is one of them. It's probably very simple to get the answer but can someone please just walk me through on trying to solve it?

139. ## Lincoln middle

What does it mean when # are in () for instance (12)(3)=

140. ## Math

1 2/3 + 2/3 =

141. ## math

write 6 less than 14 as an algebraic equation.

142. ## Algebra 1

What is -1/2(-1/2)?

143. ## CHEMISTRY HELP! D;

1._____Mg + _____N2 ---> _____Mg3N2 2. _____KNO3(s) ---> _____KNO2(s) + _____O2(g)

-2.8 3.3-2.7

145. ## Algebra, HELP!

SOLVE FOR p: 5T = 6D + 6pm

146. ## Math

5- 1 1/3= 3/4 + 5=