# Janet

Popular questions and responses by Janet
1. ## Math

An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) Find the solutions in the interval: √3tan(3θ)-1 Interval

2. ## statistics

Find sd. The differences between two sets of dependent data are -8, 4, -6, 10. Round to the nearest tenth. A.) 4.3 B.) 195.5 C.) 6.8 D.) 8.5

3. ## Geomtric Series

The midpoints of the sides of a series of a square of side 1 are joined to form a new sqaure. This procedure is repeated for each new square. a) find the sum of the areas all the squares b) find the sum of the perimeters of all the aquares

4. ## Statistics

The distribution of weekly salaries at a large company is reverse J-shaped with a mean of \$1000 and a standard deviation of \$370. What is the probability that the sampling error made in estimating the mean weekly salary for all employees of the company by

5. ## Fashion

Factors to consider when choosing methods of arranging fullness

6. ## Math

During her holiday, hannah rent a bike She pays a fixed cost of \$8 and then a cost of \$4.50 per day Hannah pays with a \$50 note and receives \$10.50 change. Calculate for how many days Hannah rents the bike ( simultaneous equation ) plz explain also

7. ## Chemistry

Which of the following solutions would have the highest osmotic pressure? 0.15 M KCl 0.2 M C6H12O6 0.2 M C12H22O11 0.2 M CH3COOH 0.15 M CaCl2

8. ## geography

why are fruit crops grown in mountain valley ? ( pakistan)

9. ## Physics

Which of the following is correct for the two coherent light waves to produce zero light?

10. ## math

a tennis racket costs \$12 more then a hockey stick . if the price of the two is \$31 find the cost of the tennis racket

11. ## Language Arts

1. Which of the following choices best describes the information given in a thesaurus? A. etymologies, or word origins and histories B. synonyms, often suggesting word connotations C. definitions of words with multiple meanings** D. pronunciations and

12. ## History

Which was expected of women in the early nineteenth century? (Points : 2) working to own property obeying their husbands teaching their daughters reading and math helping their husbands make economically sound decisions Is it b?

13. ## math

How many 1/4 cups servings are in 5/8 cup?

14. ## Islam

why has god repeatedly warned muslims against commiting shirk

15. ## english

write a story about someone who achieves "fifteen minutes of fame" plz someone give me suggestions , how to write it . what does this mean i cant get it .

16. ## geometry

In step 4 of the construction of a perpendicular line through a point, why must the compass point be placed on the points where the arc intersects with the original line? How would the construction be different if the compass point were placed at random

17. ## Math

A cow is tethered by a 110-ft rope to the inside corner of an L-shaped building, as shown in the figure. Find the area that the cow can graze. (Let a = 10 ft, b = 60 ft, c = 110 ft, d = 70 ft, and e = 60 ft. Round your answer to the nearest whole number.)

18. ## World History

How did people modify to their environment in the Mohenjo-Daro?

19. ## math help

At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B.

20. ## Mathematics

Express each ratio as a fraction in its lowest terms 18hours to 2days

21. ## calculus

I solved this problem, can someone check it to make sure I did it right. There are two parts to this intrepation and estimate of the value. Let C(t) be the total value of the US currency (coins and banknotes) in circulation at time, t. The table gives

22. ## Art

a museum decides not to include a plain plastic mixing bowl in an exhibit of functional american kitchen art what statement best explains this choice A.The bowl is not functional art because it has no designs or patterns B.The bowl is not functional art

23. ## Marketing

Explain how a firm's objectives may affect its search for opportunities.

24. ## trig

City A is 300km due east of city B. City C is 200km on a bearing of 123¤ from city B. How far is it from C to A?

25. ## Math

1) use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle. 67 degrees and 30' Please explain!! I do not know how to start.

26. ## math

the result of multiplying a number by 3 and subtracting 5 is the same as doubling the number and adding 9 what is the number

27. ## FURTHER MATHS

The 8th term of a linear sequence is 18 and 12th term is 26.find the first term,common difference and 20th term

28. ## ECE 203

What is a great succinct introducation for assessment data to guide practice

29. ## Algebra 1

For each event,circle the most appropriate term. 21. Six friends go to a movie.How many ways can they sit in a row of six seats? counting principle,combination,factorial, or permutation

30. ## Chen=mistry

Sodium metal reacts violently with water to form NaOH and release hydrogen gas. Suppose that 3.00 g of Na reacts completely with 3.00 L of water and the final volume of the system is 3 L. What is the molarity M of the NaOH Solution formed by the reaction?

31. ## calculus

The length of a rectangle is decreasing at the rate of 2 cm/sec, while the width w is increasing at the rate of 3 cm/sec. At what rate are the lengths of the diagonals changing at the instant that l=15 cm and w= 8 cm? Are the diagonals increasing or

32. ## Algebra

Suppose H(x)=(sqrt5x+3). Find two functions f and g such that (fog)(x)= H(x) . f(x)= g(x)= Neither function can be the identity function. (There may be more than one correct answer.)

33. ## geography

explain the following term biomass

34. ## science

could you use potassium nitrate to test for fluoride in mouth rinse? Is potassium nitrate a water soluble.?

35. ## science

A locomotive train is on its way from Chicago, IL to Madison, WI. The trip is said to last 3.15 hours. When the train arrives in Madison the conductor notices it actually took them 3.26 hours. The train company prides itself on always having its trains to

36. ## Health

A pair of police officers broke up a high school party that had no adult supervision. They noticed most teens were talking really fast and excitedly, breathing quickly, and even one teen was having convulsions. When they called paramedics, which type of

37. ## Computers

1) What is the purpose of computer simulations? A. to provide virtual hands-on experience when actual hands-on experience is not possible*** B. to provide an online version of a printed text C. to provide clip art about the subject being studied D. to

38. ## Math Probability dice roll

two fair dice are rolled, find the A)odds of getting a 9 B) the odds against getting a 12

A class consist of half as many boys as girls, if there are 14 boys how many girls are there

40. ## chem

24. Hydrogen peroxide can decompose to water and oxygen according to: 2H2O2 (l) + -----------> 2H2O(l)+ O2 (g) ^ H = -196 kJ What is the enthalpy change accompanying the reaction of 5.00 g H2O2 (l) according to the above mentioned reaction ?

41. ## calculus

Find the discontinuities of the given function. Classify them as a point discontinuity or a jump discontunuity. g(x)= x, x= -3

42. ## Algebra

The function g is defined by g(x)=3x^2+6. Find g(5y)

43. ## microeconomics

Suppose a firm produces output using the technology Q=K1/3 L2/3 Find a. The long run cost function b. The short run cost function if capital is stuck at 10 units. c. The profit maximizing level of output as a function of the price of the good, wages,

Della purchased a warehouse on Feb. 25, 2017 for \$350,000. \$45,000 of the price was for land. What is her cost recovery deduction for 2017? How do I figure this??

45. ## Psych

the population of the world between 1960 and 2000: doubled tripled remained stable decreased by half (maybe this one?)

46. ## algebra

Completely factor the following expression.1.) 5c^2-24cd-5d^2

47. ## Algerbra 1

You have a coupon for \$50 off your camera purchase of \$100 or more at Zeke's Camera World. Write a function relating a camera's purchase price, y, to the retail price, x. Give the domain of this function.

I really need help, this is my second post. Information to solve problems Q=12L+29L^2-1.1L^3 Q= # of cars produced/year L=# of laborers used per year for production Each car sells for \$125. \$7000 per laborer per year is cost for labor and other consumable

49. ## MATH

Permutation For a segment of a radio, a disc jockey can play 7 songs. If there are 13 songs to select from, in how many ways can the program for this segment be arranged? Question # 2 A corporation has ten members on its board of directors. In how many

50. ## English

between hobbes and locke whose philosophy would creon follow ? antigone?

51. ## Managerial Economics

# of Fisherman Daily Tuna Catch 0 0 1 50 0.02 2 110 0.02 3 300 0.01 4 450 0.01 5 590 0.01 6 665 0.01 7 700 0.01 8 725 0.01 9 710 0.01 Suppose market price of tuna is \$3.50/lb. How many fisherman should the company use if the daily rate is \$100?

52. ## Physical Science

two people pull on separate ropes attached to a cart. the angle between the ropes is 90 degrees and one person pulls with a force of 200 newtons while the other pulls with a fore of 400 newtons. find the resultant force and direction using the

53. ## Science

1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32-fold energy increase and that the amplitude has a tenfold increase but I am still confused

Around what tectonic plate are most of the worlds volcanoes located. The Pacific plate. Is this correct?

Describe what you consider the most effective behavior of entrepreneurs, managers, and employees.

56. ## Gaussian Elimination/ Matrices

Amanda, Bryce, and Corey enter a race in whic they have to run, swin, and cycle over a marked course. Their average speeds are given in the table below. Corey finishes first with a total time of 1h 45min. Amanda comes in second with a time of 2h 3min.

57. ## chemistry

how do u calculate the percentage of water of cystallisation in FeSO4.7H2O percent water= 7*molmassH20/molmassFeSO4.7H2O * 100 now to get the mole mass of FeSO4.7H2O * 100, it is the sum of the atomic mass of one Fe, one S, four O, 14H, and 7 O.

58. ## english

any exsample of someone who achieves fifteen minutes of fame

59. ## biology

what is the function of the digestive food secreted by the liver

60. ## math

a teacher teaches two class and each class contains 35 students. if she grade final exam at a rate of 15 minutes per exam. how many minutes will it take to grade all final . how many hours is this?

61. ## Math

Find the 12th term of the sequence-1/3,-5/6,-4/3,-11/6

62. ## math

a rectangular prism has a volume of 36 cubic units . write two different possible sets of dimensions for the prism

63. ## Math

Nell made a secret code. Each code word has 2 letters. Each word begins with a consonant and ends with a vowel. How many code words can Nell make with 3 consonants and 2 vowels?

64. ## Statistics

A variable is normally distributed with mean 68 and standard deviation 10. Find: a) The value that 85% of all possible values of the variable exceed. b) The two values that divide the area under the corresponding normal curve into a middle area of 0.90 and

65. ## maths

Pls how do I calculate 6.022 x 10 raised to the power 23 with other figures in a question?

66. ## Geometry

what is the length of base 1 and base 2 of a trapezoid with the midsegment 32 and the height 16

67. ## Us History

How had the American electorate changed by the election of 1828? Thanks to the suffragette movement, women in some states were eligible to vote. With landholding requirements still in place, fewer men were eligible to vote. With landholding requirements

68. ## chemistry

Which of the following solutions of glucose (C6H12O6) is isotonic with a 0.15 M NaCl solution? Question 24 options: 0.15%(w/v) 0.55%(w/v) 1.5%(w/v) 5.4%(w/v)

69. ## algebra 2

Multiply polynomials (ab-2)(ab+2)

70. ## chemistry

The reaction of 9.58 g of Carbon with excess O2 yields 8.90 g of CO2, what is the percent yield of this reaction?

71. ## human development

which one of the following expressions best illustrates overregularization?

72. ## Medical coding

What icd-9 procedure code is used for a hemilaminectomy medial facetectomy and foraminotomy?

73. ## algebra 1

Solve the following systems of linear equations using any algebraic method.If possible,check your solution. 1)2x+5y=3 X-3y=7 2) 3y=11-2x 3x=y-11 3)8x-6y=14 12x-9y=18

74. ## algebra 1

Natalie performs a chemistry experiment where she records the tenperture of an ongoing reaction.The solution is 93.5 C after 3 minutes;90 C after 5 minutes,84.8 C after 9 minutes; 70.2 C after 18 minute; 54.4 C after 30 minutes;42.5 C after 37 minutes; and

75. ## algebra 1

1. Solve the linear system using substitution. 4x-y=5 4x+4y=-4

76. ## math

Find the volume in cubic feet of the right rectangular prism measuring 3 1/2 by 8 feet by 2 3/8 feet

77. ## algebra 1

Label each statement true or false if false correct the underlined portion.If -4-5. If this is underlined |y+8|+2=6,then this not underlined y+8=_+4. Translate and solve. the absolute value of three times a number,n,is greater than 15.

78. ## maths

Please can you help me with this question? Choose the option which is a false statement: A arctan(tan2/3pi))=-1/3pi B arccos(cos(3/4pi))=3/4pi C sin(arcsin(-1/2pi))=-1/2pi D arcsin(1/2squareroot3)=1/3pi E arcsin(sin(3/4pi))=1/4pi F arccos

79. ## Calculus

THe demand funtion is modeled by D(q) = 56e^-0.000012q, where q is quantity and D(q) is price. What price will yield the maximum revenue? Prove this is a maximum using as qppropriate derivative test.

80. ## Calculus

Evaluate integral, don't use calculator. I'll use the S as the sign for integral S 4 sin (theta)d(theta) from pi/2 to pi I know the answer is 4 because I enter it in on my calculator, but don't know the steps to get to the answer. Please help.

81. ## Calculus

The area bounded between the line y=x+4 and the quadratic function y=(x^2)-2x. Hint: Draw the region and find the intersection of the two graphs. Add and subtract areas until the appropriate area is found. I found the intersection points as (-1,3) and

82. ## Calculus

Information to solve problems Q=12L+29L^2-1.1L^3 Q= # of cars produced/year L=# of laborers used per year for production Each car sells for \$125. \$7000 per laborer per year is cost for labor and other consumable materials. I attempted some parts of these

83. ## Calculus

Find any absolute max/min and local max/min for the function f(x)=x^3-4x+5 on the interval [0,5). Made sure to prove that these points are max/min values. This is what I did so far. f'(x)=3x^2-4=0 3x^2=4 x= 2/sqrt3 The -2/sqrt3 is outside of interval so

84. ## Calculus

Find any absolute maximum and minimum and local maximum and minimum for the function f(x)=x^3-4x+5 on the interval [0,5). Make sure to prove that these points are max/min values. THis is what I did. f'(x)=3x^2-4=0 x= +/- 2/sqrt3 -2/sqrt3 is outside of

85. ## math

i am a relflex angle. all the digits in my angle measure are even. all of my digits are different. all three of my digits are factors of 8. my tens digit is greater than my one digit. what is my measure?

86. ## chemistry

24. Hydrogen peroxide can decompose to water and oxygen according to: 2H2O2 (l) + -----------> 2H2O (l) + O2 (g) ^ H = -196 kJ What is the enthalpy change accompanying the reaction of 5.00 g H2O2 (l) according to the above mentioned reaction ?

87. ## Physics

Steel is very stiff, and the Young's modulus for steel is unusually large, 2.0×1011 N/m2. A cube of steel 25 cm on a side supports a load of 85 kg that has the same horizontal cross section as the steel cube. What is the magnitude of the "normal" force

88. ## Calculus

If a function f(x) is continuous, then what can be said about the value of the following limit lim-->2 [f(x) +4x]

89. ## social studies- geography

75% of the active volcanoes are found along the west coast of N. America and east coast of Asia to New Zealand and is often called:

90. ## social studies-geography

the st. lawrence seaway connects these two bodies of water

91. ## English

My son has to identify stressed syllables with an accent mark and boldface for example forgot,because,daughter.can you help me??

92. ## Geometry

How many lines of symmetry does the letter "X" have and how mnay lines of symmetry does a twelve sided cross figure have?

93. ## Chemistry

How much copper could be produced if 5.00g of iron was used with 16.00g of copper (II) sulfate pentahydrate?

94. ## Science(Urgent)

1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32-fold energy increase and that the amplitude has a tenfold increase but I am still confused

1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32-fold energy increase and that the amplitude has a tenfold increase but I am still confused

How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake? I know that a tenfold increase in wave amplitude equals an increase of 1 on the scale so 1 to 2 = 10times so does that mean that 2 to 3 would be 10 more times?

97. ## Earth Science

How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake? I know that a tenfold increase in wave amplitude equals an increase of 1 on the scale so 1 to 2 = 10times so does that mean that 2 to 3 would be 10 more times?

98. ## Earth Science

Around what tectonic plate are most of the worlds volcanoes located. The Pacific plate. Is this correct?

I need help on solving: How many grams of water are obtained if 487.8 grams of carbon dioxide are formed?