# Questions Asked onJanuary 27, 2013

1. ## MATH

In Marissa's Calculus course, attendance counts for 5% of the grade, quizzes count for 15% of the grade, exams count for 60% of the grade, and the final exam counts for 20% of the grade. Marissa had 100% average for attendance, 93% for quizzes, 82% for

2. ## ELA 10

In a full paragraph, describe the character of the professor in "Saboteur." Give at least three details from the story to support your answer. (10 points)

3. ## Chemistry

Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. Write the equation for the reaction associated with the Kb2 of carbonate, CO32–.

4. ## Math

The following data represents the high-temperature distribution for a summer month in a city for some of the last 130 years. Treat the data as a population. Temperature Days 50-59 4 60-69 309 70-79 1428 80-89 1485 90-99 393 100-109 8 According to the

5. ## math HELP!

Kara's custom tees experienced fixed costs of \$300 and variable costs of \$5 a shirt. write and equation that can be used to determine the total expenses encountered by kara's custom tee's. Let x be the number of shirts and let C(x) be the total cost of

6. ## physics

A man of height 1.8m walks away from a lamp at a height of 6m. If the man's speed is 7m/s, find the speed in m/s at which the tip of the shadow moves.

7. ## Physics

The speed of the head of a redheaded woodpecker reaches 3.4 m/s before impact with the tree. The mass of the head is 0.060 kg and the average force on the head during impact is 5.0 N. a)Find the acceleration of the head (assuming constant acceleration) (b)

Can you help me with the sentence check 2 Chapter 17 and 18 in the improving vocabulary skill workbook?

9. ## Physics: Buoyancy

A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water

10. ## math help!

a hockey arena has a total seating capacity of 15690.the first row of seats around the rink has 262 seats. the number of seats in each subsequent row increases by 18. how many rows of seats are in the arena?

11. ## Chemistry

1.What is the pH of a solution containing 0.042 M NaH2PO4 and 0.058 M Na2HPO4 ? The pKa of sodium phosphate is 6.86. pH = 6.86 + log [0.058] / [0.042]; pH = 6.86 + 0.14; pH = 7.00 That is my answer to the above question. The following question is what I am

12. ## math

how to determine the acute angle between the line 2x+3y=6 and the y axis?

13. ## Algebra with applications

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 23 said they drove alone. 30 rode in a carpool. 31 rode public transportation. 4 used both carpools and public transportation. 3 used

14. ## chemistry

What is the heat of combustion of ethane, C2H6, in kilojoules per mole of ethane?

15. ## math

1. If x people working together make a total of y dollars after an hour of work. how much money will z people make if they work 4 hours at the same rate per person ? 2.Each of the n members of an organization may invite up to 3 guests to a conference. What

16. ## chemistry

Assuming equal concentration rank these by freezing points, Na3PO4, Li2Co3,NH4Cl, and Sn(NO3)4

17. ## Binomial Math

From experience, the manager of Kramer's Book Mart knows that 40% of the people who are browsing in the store will make a purchase. What is the probability that among ten people who are browsing in the store, at least five will make a purchase? (Round your

18. ## CHM

Which of the following events are not examples of a chemical reaction? atoms of gold turning into atoms of iron conversion of methane, which contains carbon and hydrogen, and oxygen into carbon dioxide and water

19. ## Binomial Math

A fair die is rolled four times. Calculate the probability of obtaining exactly two 5s. (Round your answer to four decimal places.)

20. ## statistic

Over the past 10 years, the local school district has measured physical fitness for all high school freshmen. During that time, the average score on a treadmill endurance task has been μ  19.8 minutes with a standard deviation of   7.2 minutes.

21. ## Chemistry

How many grams of sucrose are needed to make 875 mL of a 39.0% (w/v) sucrose solution?

22. ## sicence

The following elements as alkali, alkaline-earth or transition metals based on their positions in the periodic table: A:) iron , Fe. C:) strontium, Sr B:)potassium, k d:) platinum, Pt

23. ## chemistry

I need help on a balance ionic equation in chemistry Ca(NO3)2 + NaOH

24. ## math

Find the area of the region between the curves y = sin x and y = x^2 - x, 0 ≤ x ≤ 2.

25. ## Economics

a firm in a purely competitive industry is currently producing a 1000 unir per day at a total cost of \$450. if the firm produced 800 units per day, it total cost will be \$300, and it it produced 500 units per day, it total cost will be \$275. Requirements:

26. ## physics

When speaker A is working the sound intensity at a particular location is 85 dB. When speaker B is working (without speaker A), it is 80 dB. What will it be if both speakers are working together?

27. ## Chemistry (Biochem)

I'm given two pictures looking down the alpha helices of a coiled coil dimer of alpha-keratin. I'm asked to identify three statements out of the following that are true. My guesses are 2, 3, and 6. 1. Leu-Glu-His-Val-Cys-Lys-Ser is a likely repeat in the

28. ## Physics, help!

How many protons are needed to produce a total charge of 2.5*10^-15 C?

29. ## Chemistry

Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.

30. ## math

1. If 2x/5y=6,what is the value of y, in terms of x ? 2. 11/4-a=3 , What is the value of a in the equation ?

31. ## math

Identify the solution(s) of the system of equations, if any. -3x -4y = 2 8y = -6x – 4 a) infinitely many solutions b) (-16/9, 5/6) c) (-2/3, 0) d) no solution

32. ## calculus

Determine the values of x, if any, at which each function is discontinuous. At each number where f is discontinuous, state the condition(s) for continuity that are violated. f(x) = x+5 if x0

33. ## CHM

In the chemical formula of ammonium sulfate, (NH4)2SO4, how many hydrogen atoms are present? 4

34. ## Math

The fifth term of an arithmetic progression is three times the second term,and the third term is 10.a)What is the first term,b)the common difference and c)the 15th term?

35. ## math

find the slope intercept form for the line satisfying the following conditions: y-intercept=2 y-intercept =2/3

36. ## chemistry

What weight of na2co3 of 95% purity would be required to neutralize 45.6ml of 0.235n acid? I want you step by step clearly explain answer 0.5978gm

37. ## NEED HELP MATH HELP

\$3000 invested at an APR of 5% for 7 years. If interest is compounded annually , what is the amount of money after 7 years?

38. ## Math

If the probability that a certain tennis player will serve an ace is 1/4, what is the probability that he will serve exactly two aces out of four serves? (Assume that the four serves are independent. Round your answer to four decimal places.)

39. ## Stat.

A trick coin has been weighted so that heads occurs with a probability of p  2 3, and p(tails)  1 3. If you toss this coin 72 times, a. How many heads would you expect to get on average? b. What is the probability of getting more than 50 heads? c.

40. ## physics

Three point charges are arranged along the x-axis. Charge q1 = +2.75 µC is at the origin, and charge q2 = -5.25 µC is at x = 0.220 m. Charge q3 = -6.50 µC. Where is q3 located if the net force on q1 is 7.50 N in the −x-direction?

You have 2 2/3 cups of dried fruit to divide evenly among 3 children. How many cups of fruit will each child receive? what do I do??

42. ## Chemistry

Let say Pb(NO3)2 combine with FeCl3, would this yield PbCl + Fe(NO2)3? Thanks

43. ## Calc

Line L is tangent to the graph of y= x- (x^2/500) at the point Q a) find the x coordinate of point Q B) right an equation for line L C) suppose the graph above were a hill (measured in feet). There is a 50 foot tree growing vertically at the top of the

44. ## zoology

what is the economic importance of zoanthus and Metridium?

45. ## Statistics

Mrs. Marble gave her 5th grade class a math test. The scores reflect a relatively normal distribution. The mean score for the group was 80 with a standard deviation of 8. Based upon this information, answer the following questions: Bobby scored exactly two

46. ## geometry

if measure of angle SUT=3x+6 and measure of angle RUS=5x-4, find measure of angle SUT

47. ## Calculus

Estimate the following limit by substituting smaller and smaller values of h. lim 8^h-1/h h->0

In 2004, about 14 percent of the estimated total population of the United States was found to be Hispanic. At that time about 1/25 of the Hispanic Population was Cuban, and about 2/3 of the Cuban population lived in Florida. What fraction of the total U.S.

49. ## math

Suppose you roll a fair die 18 times. (a) What is the sample space? (b) What is the probability that each number from 1 to 6 appears exactly thrice? (c) What is the probability that the number 1 appears exactly twice, 3 appears exactly four times, and 5

50. ## biochem

Which of the following pairs of compounds would NOT make a hydrogen bond with each other? CH3 and H20 H20 and HF NH4 and HF H2O and CH3COOH all of the following would make hydrogen bonds

51. ## Math help?

I am stuck. Mike's truck engine holds 1 1/4 gallons of oil. If there are 3 quarts of oil in the engine now, how many more quarts of oil does Mike need to add to fill the engine to capacity? Having trouble on do I subtract or?? what do I do

52. ## physics

A uniformly charged disk of radius 35.0 cm carries a charge density of 6.70 multiplied by 10-3 C/m2. Calculate the electric field on the axis of the disk at the following distances from the center of the disk. (a) 5.00 cm

53. ## math

First year profits of a business were \$900 . Second year profits were \$1200 . What percent of the first year profits were the second year profits.

54. ## maths

both my hundreds and units digits are one-half of my tens digit.the sum of my three digits is 16. what am i?

55. ## Chemistry

11.4mL of 0.7 M NaOH was used to titrate 5.0mL hydrochloric acid. What is the molarity of the acid? a) 0.3 b) 1.6 c) 3.9 d) 5.0 e) 8.1 Can someone answer this question and explain how to get the answer?

56. ## MATH HELP

\$1000 invested at an APR of 9% for 9 years. If interest is compounded annually, what is the amount of money after nine years?

57. ## I NEED MATH HELP

\$24,000 is invested for 3 years with an APR of 2% and daily compounding. Balance in the account after 3. years is \$ ___

58. ## Binomial Math

The manager of Toy World has decided to accept a shipment of electronic games if there is no more than 1 defective electronic game in a random sample of size 17. What is the probability that he will accept the shipment if 15% of the electronic games is

59. ## MATH I NEED HELP

\$24,000 is invested for 3 years with an APR of 2% and daily compounding. Balance in the account after 3. years is \$ ___

60. ## Speech

Post a one hundred word comment on how you believe computer mediated communications may affect the future of interpersonal communications . I DO NOT KNOW HOW TO DO THIS! PLEASE HELP

61. ## NEED HELP MATH HELP

\$3000 invested at an APR of 5% for 7 years. If interest is compounded annually , what is the amount of money after 7 years?

62. ## Biology-reaction time

How can someone improve their reaction time? also what type of athlete would have a above average reaction time? Please explain why?

63. ## Math 6 help ??????

teacher brings 3 gallons of juice on a field trip. There are 36 students on the trip. a. How many fluid ounces of juice does the teacher bring? Show your work. b. Does the teacher have enough juice to give each student a 12-fluid ounce glass of juice?

64. ## physics

A cement block accidentally falls from rest from the ledge of a 51.7-m-high building. When the block is 14.9 m above the ground, a man, 2.05 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get

65. ## Stat.

A national health organization predicts that 20% of American adults will get the flu this season. If a sample of 100 adults is selected from the population, a. What is the probability that at least 25 of the people will be diagnosed with the flu? (Be

66. ## Math

Suppose 30% of the restaurants in a certain part of a town are in violation of the health code. A health inspector randomly selects six of the restaurants for inspection. (Round your answers to four decimal places.) (a) What is the probability that none of

67. ## Chemistry

I'm asked to tell which of the following peptide segments is most likely to be part of a stable Alpha Helix at physiological pH? Only 1 can be chosen 1. gly-gly-gly-ala-gly 2. gly-arg-lys-his-gly 3. pro-leu-thr-pro-trp 4. lys-lys-ala-arg-ser 5.

68. ## Physics

A current-carrying conductor of length 0.8 m is placed perpendicular to the direction of the magnetic field of 0.6 Tesla. What is the value of the current in the conductor if the conductor experiences a force of 1.2 N?

a perimeter of a trapezium is 55cm and its non parallel sides are 8 cm and 7cm the difference between the length of parallel sides is 5 cm. find the lengths of the parallel sides

70. ## Calculus

The half life of a certain radioactive substance is 10 years. How long will it take for 18 gms of the substance to decay to 6 gms? A. 6 ln 10 years B. 10 ln 6 years C. 10 (ln 3)/(ln 6) years D. 18 ln 10 years E. 10 (ln 3)/(ln 2) years

71. ## PHI 103

CAN YOU HELP ME WITH THE ASHFORD 6 WEEK 5 QUIZ

72. ## Math

Show that each sequence is geometric. Find the common ratio and write out the first four terms. (Can you explain how to do it too?) > {(5/2)^n) > {(3n/9)} > {3^2n}

73. ## Math

Please check my answers. 1. John Gray bought a basic car for \$8,250.00, with options that cost \$324.00. There's a 6% sales tax in his state and a combined \$50.00 license and registration fee. What was John's total cost? A. \$9,138.44 B. \$10,000.00 C.

74. ## Physics

What force of friction would be felt between a 5 kg sled and the ground if a 20 N force is needed to cause it to accelerate at a rate of 1.3 m/s squared?

75. ## Help math

\$4000 invested at an APR of 9% for 10 years What is the amount of money after 10 years

76. ## Physics

A glass is slid across a bar top and eventually comes to rest. if the coefficient of friction between the glass and bar top is .32 what is the acceleration it experiences?

77. ## physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

78. ## math

tilissa was on the middle rung of a ladder.she went up 3 rungs,thendown 5 rungs and then up 7 rungs where she rested.later she climbed up the remaining 7 rungs on the ladder.how many rungs did the ladder have?

79. ## physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

80. ## Calc

A particle moves along the x-axis in such a way that it's position in time t for t is greator or equal to 0 is given by x= 1/3t^3 - 3t^2 +8 A) show that at time t= 0 the particle is moving to the right. B) find all values of t for which the particle is

81. ## physics

A 52.0 g ball of copper has a net charge of 2.1 µC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.)

82. ## Math

I have to find the quotient of 6 divided by 1/5 So I write 1/6 x 1/5 to solve?

83. ## physics conceptual

The tires of a car support the weight of a stationary car. If one tire has a slow leak, the air pressure within the tire will _______ with time, the surface area between the tire and the road will ________ with time, and the net force the tire exerts on

84. ## Math is this right?

5/28 divided by 1/7 = ? 5 Do I flip the second fraction only when its division then times across? 5/28 x 7/1 = 35/28 or 28/5 x 7/1 = 196/5 = 5/196

85. ## math

A metalic sheet of rectangular shape with 48m*36m from each of it corner a square is cut off so as to make an open box. if length of each square length is 8m find the volume of the open box ????

86. ## Physical Science

A hot dog bun (volume 240 cm3) with a density of 0.15 g/cm3 is crushed in a picnic cooler into a volume of 195 cms. What is the new densitu of the bun?

87. ## math

How many gallons of organge juice are in a full size family jug? I think 1 gallon?

88. ## biochemistry

The amino acid R has how many ionizable protons?

89. ## CHM

Which of the following is not an example of a physical change? is this the right Answer accidentally leaving a piece of toast in the toaster until it is completely black

90. ## Help math

recipe calls for 4 pounds of fruit. You have 60 ounces of fruit. a. Do you have as much fruit as you need? b. If not, how much more or less fruit do you need? I said needs more fruit and what I am stuck with his b?? 3.75

91. ## math

a certain mountain has an elevation 19580 feet in 1907 the glacier on its peek covered 8 acres by 2002 this glacier had melted to 1 acre assume the glacier melted at a constant rate each year find this yearly rate

92. ## biology

1. discuss the mechanisms that organisms undergo to accomplish morphogenesis 2. Describe the contributions of drosophila and nematodes in advancing understandings of development

93. ## math

A bag contains ﬁfty slips (small pieces of paper) with the numbers 1, 2, . . . , 50 written on them (One number on each slip!). Your friend writes down ten numbers from 1, 2, . . . , 50 on a sheet of paper, and then you draw—without

94. ## algebra

4 divide 3 multiply 6 divide 2 minus 2

95. ## Physics: Buoyancy

A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water

The hypotenuse of a right triangle is 10 centimeters and one of the legs is 6 centimeters. the leg to the very left is 6 cm and the leg to the top is 10 cm. the bottom leg has a x for unknown. My teacher gave me the answer since I couldn't figure it out

97. ## Math

Which isn't equivalent: 3/7, 6/14, 8/21 or 12/28

98. ## Math (:

Use the distributive property to rewrote each algebraic expression 4(x+2) 3(x+7) 5(2x+7) Help ? Thanks

99. ## math

Consider the experiment of choosing the top 7 cards from a shuﬄed deck in two ways: (a) Without replacement. 1. What is the sample space? 2. What is the probability that you get only red cards? (b) With replacement. 1. What is the sample space? What is

100. ## science

What is science

101. ## math

1. when z is divided by 8, the remainder is 5. What is the remainder when 4z is divided by 8 ? 2. If n is an integer, which of the following must be odd ? A. 3n-5 B. 3n + 4 C. 4n + 10 D. 4n - 5 E. 5n + 7

102. ## calculus

Find the values of x for which each function is continuous. 1.) f(x)= 2x+1/x^2+x-2 2.) f(x)= x if x is less than or =1 = 2x-1 if x>1

103. ## statistics

For a particular sample of 53 scores on a psychology exam, the following results were obtained. First quartile = 44 Third quartile = 68 Standard deviation = 8 Range = 55 Mean = 54 Median = 54 Mode = 71 Midrange = 64 I. What score was earned by more

104. ## math work sheet

I do not get my math !!!!!!! I mean when it says like a number equals blank percent of a number 13 equals % of 16 what do i do

105. ## Physics

Two objects are connected by a light string that passes over a frictionless pulley as in the fi gure. One object lies on a frictionless, smooth incline. In the figure, m1 = 8.48 kg, m2 = 4.84 kg, and  theta = 40.2 degrees . When we let go of the mass m1,

106. ## Math

If a wheel has a nail stuck in the tire, the tire is 60m in diameter and the wheel drove R -234(1,0) how far did the nail travel?

107. ## math

what is the relative error of a distance given as 550cm plus or minus 24.2cm?

108. ## Math question

How many gallons of organge juice are in a full size family jug? I think 1 gallon?

109. ## Geometry

A tree casts a shadow that is 70 feet long. At the same time a person is standing nearby who is 5 feet 6 inches tall and their shadpw os 60 inches long. What is the proportion and what is the height of the tree?

\$9000 invested at an APR of 9% for five years. In interest is compounded annually, what Ia the amount of money after 5 years?

111. ## Calculus

Grain is being dropped into a silo from a tall conveyor belt forming a right circular cone with diameter at the base equal to the height. The grain is being added at the rate of 10 cubic inches per second. How fast is the height changing when the height is

112. ## Information Technology

explain how facebook has used two (2) design elements to enhance its appearance and Justify your response in terms of either efficiency (cost, time or effort) or effectiveness (quality of output, accuracy, presentation and comprehensiveness).

113. ## math worksheet

Ok i have one more question how would you solve 5 equals % of 12

114. ## Physics

An Olympic skier moving at 19 m/s down a 26 degree slope encounters a region of wet snow and slides 136 m before coming to a halt. What is the coefficient of friction between the skis and the snow? ( g = 9.81 m/s2)

115. ## pre-calc

The sum of two numbers is radical 3. Find the largest possible value for their product

116. ## Biology

How does diabetes affect the brain?

117. ## Physics

Draw an open circuit that consists of 2 sets of 2 cells connected in series, connected in [arallel with each other. Add a variable resitance R1 in series with a set of 3 light bulbs r2, r3, r4 in parallel with each other. Insert an ammeter and a voltmeter

118. ## Trig

How do I prove that tan(x/2) =( plus/minus) sqrt(1-cos(x/1+cos(x))

119. ## English

Can you tell me what is the culture and tradition in Boise, Idaho like ?

How would I write a formula to multiply the number in cell z675 times the number in cell a1

121. ## Excel help

How would I write a formula to multiply the number in cell k4 times the standard deviation of the numbers in cell z2 through z10

122. ## math

It cost \$15.00 to buy 150 sheets of brand A's paper. it cost \$19.25 to buy 175 sheets of brand B's paper. Which brand has the better value and by how much?

123. ## pysics

what is the velocity of a 1,000 kg cannon that shoots 10 kg bullets at a speed of 380 m/s?

124. ## math

find the value of 8ab(a^2+b^2),if a+b=r00t10 and a-b=2root2

125. ## math

1. when z is divided by 8, the remainder is 5. What is the remainder when 4z is divided by 8 ? 2. If n is an integer, which of the following must be odd ? A. 3n-5 B. 3n + 4 C. 4n + 10 D. 4n - 5 E. 5n + 7

126. ## physical

A marathon runner runs 3km in direction 0degree and them 4km in direction 90degree. total time for the race is 2 hours.so determine the total distance covered?

127. ## World History

Ancient Egypt has long captured the imaginations of ordinary people, not just historians. There seems to be a fascination with Egypt even more than other ancient cultures. Briefly discuss why you think that Egypt has continued to intrigue people.

128. ## MATH

48people in 6vans;what is the rate per unit

Thankz !!!!!

130. ## chemistry

what weight of na2c03 of 95% purity would be required to neutralize 45.6ml of 0.235N acid? Who Helps

131. ## physics

a book,initially at rest is pushed along a horizontal table top by a horizontal force of 2N. After 1s it has been moved 1.5m. The force of friction is 0.4N a.how much work is done on the book by the 2N force? b.how much work is done on the book by

132. ## Accounting

Hello, I’m having a difficult time understanding how to adjust the following unadjusted accounts: A/R …………………………………..480,000 Accum. Depr, building………116,000 Accum. Depr, equipment…332,000 Advance

133. ## math

Louise travels 10 miles in 15 minutes and alice drives 23 miles in 30 minutes. who is faster?

134. ## math

in order to be able to ride a roller coaster you must be 48 inches tall .which inequality represents this situation?

135. ## chemistry

5ml of 8N HN03, 4.8ml of 5N HCL and a certain volume of 17M H2s04 are mixed together and made up to 2 liter 30ml of this acid mixture exactly neutralize 42.9ml of na2c03, 10 H2O in 100ml of water. Calculate the amount of sulphate 10m in gm present in

136. ## math

A map indicates that two cities are 160 miles apart. The scale of the map is 1/2 inch= 20 miles. 1. how many inches apart are the cities on the map. 2. Another map show the two cities has a scale of 3/4 inch =20 miles. How many inches apart are the two

137. ## Excel formula help

Formula to multiply the number in cell 4k times standard deviation of the numbers in cell z2 through z10 I don't understand cell z2 through z10 I have never had excel (4kxz2xz10) Please write this correctly

138. ## Ap Calculus

Please help. A particle moves in a stright line and its acceleration is given by a(t)=6t+4. its initial position is s(0)=9 and its position when t=1 is s(1)=6. find the velocity of the particle when t=2. A. v(2)=14 B. v(2)=7 C. v(2)=4 D. v(2)=9 E. v(2)=0

139. ## Physics

What is the formula for the force experienced by a moving charge q whose velocity v forms an angle è with a magnetic field B?

140. ## chemistry

5ml of 8N Hn03, 4.8ml of 5N hcl and a certain volume of 17M h2s04 are mixed together and made up to 2 liter. 30ml of this acid mixture exactly neutralizes 42.9ml of na2c03, 10 h20 in 100ml of water .Calculate the amount of sulphate ion in gm present in

141. ## Chemistry

The specific heat of solid silver is 0.237 J/g degrees celsius and the heat of fusion of silver at its melting point of 961 degrees celsius is 11 J/g. Find the final temperature is 1490 J is used to heat 40 g of silver initially at 20 degrees celsius.

142. ## Chemistry

The specific heat capacity of butanone is 1.69J/grams Celsius and it's boiling point is 79 Celsius. If 1.250g of butanone at 15 Celsius is heated by adding 100J of energy, will it boil

143. ## World History

Please read Chapter 2 in the textbook The First Complex Societies in the Eastern Mediterranean, ca. 4000-550 B.C.E. (pp. 22-43) and answer the following questions: 1. The Hittites were considered to have military superiority at the time, and they were a

144. ## math

when it came to pass out valentines each of the 24 students had valentine to give to the other students in the class how many total valentines will be passede out?

145. ## HELP ME MATH PLEASE

\$1000 invested at an APR of 9% for 9 years. If interest is compounded annually, what is the amount of money after nine years?

146. ## math

Increased from 50% to 60% . percent of increse . Do i mutiply then divide ?

147. ## science

The XYZ Company makes widgets and sells to a market that is just about to expand after a period of stability. As the year starts, the widgets are manufactured at a cost of \$0.75 and sold at a market price of \$1.00. In addition, the firm has 1,000 widgets

Hi: I am unsure of how to adjust Advance Sales. For Year End, DEC 31, 2011. If my Unadjusted Balance for advance sales is \$324,000 and I am told the following: 75% of the balance in Advance Sales is for garments to be made and delivered in 2012; the

149. ## Chemistry

In a mountainous location, the boiling point of pure water is found to be 95°C. How many grams of sodium chloride must be added to 9 kg of water to bring the boiling point back to 101°C? Assume that i = 2.

150. ## math

My numerator is 10 less than my denaminator. I am equal to 3/5

151. ## Speech

How do I post a one hundred word paragraph on how I believe computer mediated communications may affect the future of interpersonal communications ?

152. ## Math6

A gallon of water wighs 8 1/3 lb. How much does 1 1/5 gallon of water weigh? How do I figure this out?

153. ## Math help

3/14 of 10/9 = 5/21 is this right??

154. ## calculus

integrate (1)/(-4ln)3x)^3 -27x^2 cuberoot-3x^3-5 and using the graph y=squareroot of x which points are closest to (6,0). thank you!

155. ## History

What are the 10 MOST special events occurred during the 1980’s involving our government?

156. ## NEED MATH HELP

\$3000 invested at an APR of 5% for 7 years. If interest is compounded annually , what is the amount of money after 7 years?

157. ## maths

Suppose you have \$9000 to invest and you invest part of it (\$×) in a high risk venture at 11.5% per annum and the remainder with the bank at 4.5% per annum, both for one year. 1) write an algebraic expression for the amount of money invested at 4.5% 2)

158. ## Math

Find the volume generated. The region is bounded by y = 4x-x^2 and y = 8x-2x^2, and is rotated about x = 2. State which method (washer, disk, cylindrical shell) is used

159. ## Math

Find the volume generated if the region bounded by y = sin 2x and y = cos x, π/6 ≤ x ≤ π/2 is revolved about the line y = 2. Use the method of washers.

160. ## math

evaluate f(x) at the given values of x. f(x)=2. x=-11,5/2

162. ## Science

How would you get sedimentary rock and metamorphic rock from the lava after volcano has erupted? What are 4 land features that glaciers cause from their movement? Thanks for any help!

163. ## Math

Given that f(x) = 2x^2 - 8x + 9, 0 ≤ x ≤ 3. (a) Find the average value of f. (b) Find c such that f(average) = f(c).

164. ## MATH HELP

A \$2,000 deposit at an APR of 5.4% with quarterly compounding for 8 years. The amount after 8 years will be??

165. ## Physics

A 0.35 m2 coil with 50 turns rotates at 5 radians per sec2 in a magnetic field of 0.6 Tesla. What is the value of the rms current in the coil if the coil has the resistance of 3.3 Ù? Have no idea how to do this...

166. ## chemistry

Assume you used 0.200g of salicylic acid and 0.480mL of acetic anhydride, and you obtain 0.152g of pure, recrystallized, dry aspirin. Calculate the percent yield.

167. ## English

1. Billy Elliot is a 11-year-old boy who lives in a small town in England. (What does 'in England' modify? Does it modify 'lives' or 'a small town'?) 2. She asks him to take ballet class. 3. She asks him to take a ballet class. 4. She asks him to take the

168. ## chemistry

How many ml of 0.05M kmn04 acidic are diluted to oxidize 2gm of fes04 is diluted solution The answer 52.63 ml I want you step by step clearly explain Thank you for Bob

169. ## History

What are the 10 MOST special events occurred during the 1980’s involving our government? I know I already posted this question. Also the american best history site does not work so please don't give it to me.

170. ## algebra 1

at a certain high school,350 students are taking algebra. the ratio of boys to girls taking algebra is 33:37. How many more girls are taking algebra than boys? - How can you write a system of equations to model the situation? - Which equation will you

171. ## English

I feel something very hot, like a fire inside my body. (What does 'in side my body' modify? Does it modify 'feel' or does it modify 'a fire'?) 2. Thank you. - It's nothing. - Think nothing of it. (Are both answers used properly?)

172. ## MATH PLESE

A \$2,000 deposit at an APR of 5.4% with quarterly compounding for 8 years. The amount after 8 years ?? I need to find what the amount would be after 8 years please help

173. ## Chem

How can the concept of specific heat capacity of water be used to explain the heating and cooling patterns if the oceans and the climate on the planet?? Can someone please explain this to me it would really help a lot.

How do you believe humans can, best, avoid "attribution" errors?

175. ## Math help

You buy clothing at a sale. You buy sneakers at 2/3 of their original price of \$60, a sweater at 7/10 of its original price of \$35, and a jacket at 5/6 of its original price of \$45. Answer each question and show all your work. a. How much money did you

176. ## Physics

On a particular airplane wing, air flows over the upper surface with a speed of 115 m/s and along the bottom surface with a speed of 90 m/s during flight. If the area of the wing is 140 m^2, what is the lift force on the wing? Air density is 1.29 kg/m3.

177. ## cultural diversity

NAEYC supports "third space" thinking as a desirable technique for use in A. stimulating children's right-brain processes. B.enhancing staff performance in the early childhood setting. C.Resolving conflicts, especially those involving cultural issues.

178. ## English

I want to know how there be alliteration in this sentence. "and tighten him for slack moments" because don't alliteration mean reptition of initial consonant sounds, and this don't be like "peter piper picked a peck of pickled peppers"

179. ## algebra

Solve using the substitution method. State if there are infinite solutions or no solution. 5x + 8y = -4 x= 2 - 3y

240N

182. ## CALCULLUS

Question 2: If is the position of a particle in space at time .Find the angle between the velocity and acceleration vectors at time

183. ## Chemistry

Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. Write the equation for the reaction associated with the Kb2 of carbonate, CO32–.

184. ## Fractions

When you use counters to find 1/4 of 8, how do you know how many groups to make?

185. ## College Algebra

Hello I need help with this problem. I need to identify if the equation is identity, contradiction, or conditional equation. -(5x-3)+2x=11-4(x+2)

186. ## Physics blehhhh

A 0.35 m2 coil with 50 turns produces a maximum emf of 45 volts in a magnetic field of 0.4 Tesla. What is the speed of rotation of the coil?

187. ## trig

Give that tan tetha is equal to 3/4 find the values of cos tetha,cos tetha-sin theta,sin tetha.

188. ## statistic

A multiple-choice test has 48 questions, each with four response choices. If a student is simply guessing at the answers, a. What is the probability of guessing correctly for any question? b. On average, how many questions would a student get correct for

189. ## statistic

A roulette wheel has alternating red and black numbered slots into one of which the ball finally stops to determine the winner. If a gambler always bets on black to win, what is the probability of winning at least 24 times in a series of 36 spins? (Note

190. ## Help on my math question

A \$2,000 deposit at an APR of 5.4% with quarterly compounding for 8 years. The amount after 8 years ?? I need to find what the amount would be after 8 years please help This not Dave my name is Tommy I don't even know who Dave is and I'm sorry if you think

191. ## writing

y, discuss about HCPCS codes, how they originated, their use, and who is responsible for updating and maintaining them

192. ## Math

Let X be the number of successes in five independent trials of a binomial experiment in which the probability of success is p = 3/5. Find the following probabilities. (Round your answers to four decimal places.) (a) P(X = 4) (b) P(2 ≤ X ≤ 4)

193. ## Physics

A baseball is dropped from a tall building and takes 4.1 seconds to hit the ground. From what height was the ball dropped?

194. ## u of s

A black thin-walled cylindrical can, 10.0 cm in diameter and 20.0 cm tall is filled with water at 100°C and suspended in a 20°C room. Determine the initial rate of heat transfer due to radiation, and the initial rate of change of temperature of the

195. ## Language

What are some cool facts baout Quebec City in the Winter and what are the main sports people play?

196. ## msths

Solve z/3 = 5/4

197. ## Physics

The modern Boeing 747 passenger jet airplane cruises at a speed up to 900 km/hr, at an altitude of 11,000 m. The cabin pressure is maintained equivalent to the atmospheric pressure at an altitude of 2,000 m. This is called the "cabin altitude". The

198. ## chemistry

how would you prepare a 550ml of 0.350 normal calcium chloride solution

199. ## Math

Suppose 30% of the restaurants in a certain part of a town are in violation of the health code. A health inspector randomly selects six of the restaurants for inspection. (Round your answers to four decimal places.) (a) What is the probability that none of

200. ## Physics - Radiation, Heat Transfer

10 sq meters of ice is floating in the Arctic Ocean in mid-Sept - 12 hours of darkness, 12 hours of diffuse sunlight at 50 watts/sq meter. Emissivity of ice = .97 temperature of the top of the ice = -20 C (253 K) Albedo of sea ice = .62 How much radiant

201. ## PHYSICS 1 ..'''''''''''''''''''''''' helllpppppppp

when different loads hang on a spring, the spring stretches to different lengths as shown in the following table(a)make a graph of the applied force versus the extension of the spring.(b)by least-squares fitting,determine the straight line that best fits

a perimeter of a trapezium is 55cm and its non parallel sides are 8 cm and 7cm the difference between the length of parallel sides is 5 cm. find the lengths of the parallel sides

203. ## math

Dan has 5 lb of rhubarb. He has 4 rhubarb recipes, and uses 1/4 of his rhubarb in each. How many pounds of rhubarb are in each recipe? Please answer and explain.

204. ## Life orientation

Practices that are in contravention of the basic conditions of employment act

205. ## accounting

Adam place RM2, 000 in a saving account paying 5% interest compounded annually, how much will Adam account accrue to in a)10 years b)15 years

206. ## Math

two cards are drawn from a deck of cards. Once a card is drawn, it is not replaced. Find the probability of drawing a queen followed by a king.

207. ## psychology

When you make the comment, "I don't know," in the course of a discussion, this indicates that you: A. have a tolerance for uncertainty. B. are an empirical scientist. C. are evasive and opposed to further inquiry. D. accept your own ability.

208. ## accounting

What is the present value of RM6, 500 to be received 10 years from today if our discount rate is 10%?

209. ## College Algebra

Solve for the specified variable in each formula or literal equation Sn=n(a1+an/2) for n (sequences)

210. ## accounting

What is the value of the following future amount? a)RM800 to be received 10 years from now discounted back to present at 10%.

211. ## math

i need someone to show the formula for this problem and amswer i have 16 not sure sally's art project is in the shape of a circle. she wants to put a piece of glitter string around the adge of her project has a radius of 4 inches, how much string will she

212. ## math

Identify the solution(s) of the system of equations, if any. 2x + 5y =10 Y = 2 – x a) (-2,0) b) (2,0) c) (0,-2) d) (0,2)

213. ## Physics

A proton moving with a speed of 200 m/s enters perpendicular to the direction of the magnetic field and experiences a force of 2x10^-18N. What is the magnitude of the magnetic field? any help is reallya appreciated

A agrees to buy such fruits and vegetables as it "might desire" from B. Does this promise to buy obligate B in anyway?

215. ## math

Identify the solution(s) of the system of equations, if any. X + 2y = 4 9x – 4y = 3 a) (1, 2/3) b) (1, 3/2) c) (2/3, 1) d) (3/2,1)

216. ## I don't understand how you did it help

A \$4000 deposit at an APR of 5.6% with a quarterly compounding for 8 years . The amount after 8 years would be ???

217. ## Physics

Newton law of cooling and cooling collision.

218. ## math

Identify the solution(s) of the system of equations, if any. -2x-4y=1 12y=-6x-3 a) no solution b) (0,-1) c) (-1,0) d) infinitely many solutions

219. ## math

Consider the following system of equations. Y = 3x – 7 Y - 3x = 5 a) The system of equations is inconsistent. b) The system of equations is dependent. c) The system of equations is independent. d) none of these

220. ## Algebra

LCD of x/x2+3x , 2x/x2-3x

221. ## Math, volume

How do you find the volume inside the cylinder but outside the sphere? H=12cm.

222. ## Math

There are18 boys and 20 girls in a class. What is the ratio of girls to boys?

223. ## math

A. Mandy buy a sweater that is on sale for 20% less than the original price, and then she uses a coupon worth an additional 15% off of the sale price. What percentage of the original price has she saved ? B. If the price of a stock increases by 40% and

224. ## Spanish

unscramble- amiaramtdrt

5ft 3 in. – 2ft 9 in. = ??

226. ## Grammar

This is for my science fair project conclusion and I was wondering If it's good like that?......To sum up briefly, my hypothesis was correct I predicted that my plant that got the most sun would be the most colorful and my plants that were in the shade

the view you have of yourself is known as your

228. ## Math on time

Trying to understand how to solve this? Paige spends 1 hour on her homework. She spends equal amounts of time on all subjects. If Paige spends ½ hour on Spanish, how many subjects does she study?

229. ## math

There are 5 red balls,6 white balls and 7 green balls in a box.If one ball is taken without looking,what is the probability that it is white?

asked by Amber lynn V. Lumayao
230. ## physics

An 80kg astronaut has a weight of 120N. How many radii above the earth is he?

231. ## Math

Suppose you have a graph of a polynomial function and you can see that the function increases without bound on both left and right ends, has 4 real zereos and has 5 turning points. Based on this information, what is the minimum degree of the polynomial?

232. ## elemetary elgabra

A tree casts a shadow 25 m long. At the same time, the shadow cast by a 57-cm tall statue is 66 cm long. Find the height of the tree to the nearest meter.

233. ## Chemistry

what are the products when water,ferric chloride and ammonium thiocyanate are combined?

234. ## cist1305

third edition exercise 2 an object oriented approch to programming logic and design

235. ## marcoenomics

Assume Country X has much larger real GDP than county Y. Despite its low real GDP figure, is it possible for the standard of living, as measured by GDP per capita, in Country Y to be better than the standard of living in Country X? Please explain.

236. ## Creative Writing

How do you describe a pouty face in writing?

237. ## Physics

At a certain time a particle had a speed of 16 m/s in the positive x direction, and 2.2 s later its speed was 30 m/s in the opposite direction. What is the magnitude of the average acceleration of the particle during this 2.2 s interval?

238. ## math

How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities? In what case might they not?

239. ## Physics

Work it out. How many joules of heat is given out when pieces of iron of mass 50g and specific heat capacity =460kgk cools from 80¡èc to 20¡èc?

240. ## chem-ph

What range on the pH scale is considered very acidic, acidic , and slightly acidic. Also what range is considered very basic, basic, slightly basic.

241. ## hippa

define to duty to report in healthcare cconfidentiality and why is this duty so critical

242. ## math

1. If x people working together make a total of y dollars after an hour of work. how much money will z people make if they work 4 hours at the same rate per person ? 2.Each of the n members of an organization may invite up to 3 guests to a conference. What

243. ## math

My son has been given the collinear problem below that has be stumped two folds. 1- By trying to solve the problem using (y2-y1)/(x2-x1)=slope -- and then, find the (b) in y=mx+b for two points takes way way too long to be a 7th grade probem. My son has

244. ## American History

Why did most of the Cherokees oppose the treaty of New Echota.

How do you believe humans can best,avoid attribution errors ?

246. ## math

The sum of four consecutive multiples of 5 is 230. What is the greatest of these numbers ?

247. ## AP calculus

∫[0,x^(3),(t)/√(1+t^(3)),] Find the derivative of the integral. A. (3(x^3))/((1+(x^9))^0.5) B. (x^3)/((1+x^9)^0.5) C. (3x^3)/((1+x^3)^0.5) D. (5x^3)/((1+x^6)^0.5) E. (3x^5)/((1+x^3)^0.5)

248. ## AP calculus

∫[0,x^(3),(t)/√(1+t^(3)),] Find the derivative of the integral. A. (3(x^3))/((1+(x^9))^0.5) B. (x^3)/((1+x^9)^0.5) C. (3x^3)/((1+x^3)^0.5) D. (5x^3)/((1+x^6)^0.5) E. (3x^5)/((1+x^3)^0.5) I think the answer is A. Can you check my answer please?

249. ## Physics

a 60 kg boy on a sled reaches the bottom of a hill traveling at 8 m/s, if he comes to a stop at 20 m along this flat stretch of snow what is the coefficient of kinetic friction between the sled and the ground? (hint: find the acceleration first)

250. ## Risk Management

What challenges does GRC face from an implementation standpoint within organizations? Does this vary based on industry type, culture, or size? How so? What ways can this be addressed?

251. ## physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

252. ## physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

253. ## Physics

At a certain time a particle had a speed of 16 m/s in the positive x direction, and 2.2 s later its speed was 30 m/s in the opposite direction. What is the magnitude of the average acceleration of the particle during this 2.2 s interval?

254. ## physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

255. ## MATH

The median number of medals won by these 12 countries is 14.5. If the United States of America's medal count is deleted from this data set, what is the median number of medals for the remaining countries?

256. ## help? math ?

1. when z is divided by 8, the remainder is 5. What is the remainder when 4z is divided by 8 ? 2. If n is an integer, which of the following must be odd ? A. 3n-5 B. 3n + 4 C. 4n + 10 D. 4n - 5 E. 5n + 7

257. ## History

Fill in the blank. By the 1850s, railroads were beginning to ___________ canals for transporting goods.

258. ## English

1. Peggy and Maddie felt sorry about teasing Wanda. = Peggy and Maddie felt sorry that they teased Wanda. 2. Peggy and Maddie felt sorry about having teased Wanda. = Peggy and Maddie felt sorry that they had teased Wanda. (What is the difference between #1

259. ## Science

A pH of 1.5 is _____ times more acidic than a pH of 4.0.

260. ## math

a rectangular sheet of glass is 24 inches long and 18 inches wide. a glazier wants to cut the glass along its diagonal to make it a triangular windowpane. What will be the dimension of the windowpane.

261. ## physics

a car starts from rest and has a constant acceleration of 2.5 m/s^2. if it travels 25m how long will it take to complete the motion

262. ## science

an iron supplement is used to treat anemia and 50 mg of FE is required per tablet. If the iron compound used in th tablet is FeSO4.7H2O,what mass of this compound would be required per tablet to provide the desired amount of Fe?

263. ## Algebra

-1/4(8x+2)

How do you believe computer mediated communications may affect the future of human communications? PLEASE HELPP !!!!

265. ## Algebra

Can you please show me step by step to the answer you have given me. -1/4(8x+2). I still do not understand how you came up with the answer. Thank yooi

Stomach acid (1.5) is 750 times for acidic than tomatoes (4.0). Can you explain to me why it is 750 times?

267. ## Physics

A string on a guitar is supposed to vibrate at 300 Hz, but is measured at 305 Hz. By what percent should the tension in the string be adjusted to correct the tuning?

268. ## Physics

A tuning fork of frequency 500 Hz is rotating on the edge of a disk of radius 1.2 meters. a) If the disk turns at a rate of 40 rev/min, what are the maximum and minimum frequencies heard by the listener? b) To what positions of the tuning fork do these

269. ## Math

It is estimated that residents in 60% of households in town own a digital camera. If 10 homes are randomly selected, what is the probability that no more than 5 own digital cameras?

270. ## Physics

Identical points on two harmonic waves with the same wavelength (0.65 meters) and frequency are the separated by a distance of 0.15 meters. What is the phase difference between the waves?

271. ## English

High I need to describe Rocky Mountains from my view but i never saw them. Can someone please help me to write 2 sentence description of rocky mountains. Our teacher told us it should be in Imagery Format. Please Help!!!!

272. ## Calculus

I'm not sure what to substitute in this question. Evaluate the integral Square root (tan^-1(x)) / (x^2+1)

How do you believe computer mediated communications may affect the future of human communications? PLEASE HELPP !!!!

274. ## physics 112

what is meant by a change in temp of 1 degree celcius on the scale of a platinum resistance thermometer

275. ## Chemistry

For the oxidation of glucose ( C6H12O6 + 2O2---6H2O +6CO2), how many moles of O2 will it take to consume 6 moles of glucose. Can someone explain it?

276. ## stat.

A sample consists of the following n  6 scores: 2, 7, 4, 6, 4, and 7. a. Compute the mean and standard deviation for the sample. b. Find the z-score for each score in the sample. c. Transform the original sample into a new sample with a mean of M  50 and

277. ## math

if a river flows south at 10 km/h and a boat moves north against the current at a rate of 18km/hr, what is the net actual speed of the boat in the water

278. ## Comp156

I summited my paper and I am still not sure what I am doing wrong. What is biblograpgic text ?

279. ## math

7 3/5 ft = how many yards?? How do I do this??