# lin

Most popular questions and responses by lin
1. ## chemistry

Is NH4+ a polar or nonpolar bond?

2. ## Art

how are art and conservation science connected in this sculpture? A. The artists was repurposing materials to create art B. The artists only used brand-new materials to create art. C. the artists created a piece that could not be sen by others D.The

3. ## trig

An airplane is traveling at a speed of 724 km per hour at a bearing of N30°E. If the wind velocity is 32 km per hour from the west, find the resultant speed and direction of the plane.

4. ## English

Which of the following statements is true of a summary? 1. A summary condenses the main points of an article. 2. A summary is quicker and easier to write than a longer original article. 3. A summary should not include evaluation and criticism. 4. A summary

5. ## algebra

A total of \$12,000 is invested in two funds paying 9% and 11% simple interest. If the yearly interest is \$1,180, how much of the \$12,000 is invested at each rate? We have two unknowns: the amount of money invested at 9% and the amount of money invested at

6. ## Math

I cannot solve this pattern! 1,1,4,3,9,6,16,10,25,15 HINT: two different patterns are intertwined BIGGER HINT: only look at every other number This is a conjured up sequence not identifiable by any recursion formula. The first sequnece is 1 4 9 16 25 36

7. ## nusyu

A small, spherical bead of mass 3.00 g is released from rest at t = 0 from a point under the surface of a viscous liquid. The terminal speed is observed to be £oT = 2.00 cm/s. Find (a) the value of the constant b that appears in Equation 6.2, (b) the time

8. ## math

Assume the \$8,000 Treasury bill, 1.75% for 50 weeks. Calculate the effective rate of interest.

9. ## MATH

TO MIX A PUNCH, LINDSAY BEGINS WITH 3 LITERS OF LEMON-LIME SODA AND ADDS 1,893 MILLILITERS OF CRANBERRY JUICE. HOW MANY 250 ML GLASSES OF PUNCH CAN BE SERVED. ROUND TO THE NEAREST TEN.

10. ## Math

Jan is making a pencil holder out of plastic canvas. The pencil holder is 4 inches high. It will not have a top. Each edge of the square base is 3 inches long. How much plastic canvas does Jan need?

11. ## heeeeeeeelp physics

Two thin and identical steel rods move with equal speeds v=1 m/s in opposite directions and collide longitudinally.The collision is perfectly elastic and the rods swap their velocities. How long does the collision last in seconds if the length of the rods

12. ## Calculus

Suppose f(x) is a differentiable function with f(-1)=2 and f(2)=-1. The differentiable function g(x) is defined by the formula g(x)=f(f(x))' A. Compute g(-1) and g(2). Explain why g(x)=0 must have at least one solution A between -1 and 2. B. Compute g'(-1)

13. ## Chem

How many moles of NH3 must be added to 1.00 L of solution to dissolve 0.979 g of CuCO3? For CuCO3, Ksp = 2.3 × 10-10. Ignore hydrolysis of CO32-, but consider the formation of the complex ion Cu(NH3)42+.

14. ## helllllppp math

In a tetrahedron ABCD, the lengths of AB, AC, and BD are 6, 10, and 14 respectively. The distance between the midpoints M of AB and N of CD is 4. The line AB is perpendicular to AC, BD, and MN. The volume of ABCD can be written as a√b, where a and b are

15. ## Science

which of the following could not have happened as a pot of water boiled on the stove? A. Particle vibration increased. B. Particle vibration decreased. C. Particles moved father apart. D. Particles moved randomly. My answer is C.

16. ## Math

a gym charges an intitL \$100 membership fee and \$60 each month. Write an equation that represent the total cost, C, for belonging to the club for M months

17. ## math

The population of bacteria in one cubic centimeter of the blood of a sick person has been modeled by the function P(t) = 115 t(0.88^t) where t is the time, in days, since the person became ill. Estimate how fast the population is changing 14 days after the

18. ## Math

the amount in an account which was opened 180 days ago is rm205.if the amount was offered a simple interest of 5 % per annum find the original principal?

19. ## FINANCE II

THE EXTENT TO WHICH INVENTORY FINANCING MAY BE USED DEPENDS ON?

20. ## heelp math

A graph is constructed iteratively according to the following algorithm. The graph starts as a single vertex. With probability p, the graph stops here. Otherwise, 3 new vertices are constructed and joined to this vertex. If we have a graph with more than

21. ## Physics

Physics question on identify the reaction? I am having trouble with the question a, b, and c in this physics problem: One or more external forces are exerted on each object enclosed in a dashed box shown in the figure below. Identify the reaction to each

22. ## Chemistry

A reaction is first order and it takes 324 minutes for the reaction to be 50.0% complete. How long will it take for the reaction to be 85.0% complete at the same temperature? 2. N2O5 decomposes to N2O4 and O2 and the reaction is first order in N2O5 with a

23. ## physics

The path of a projectile fired at a 30 degree angle to the horizontal is best described as 1.parabolic 2.linear 3.circular 4.hyperbolic

24. ## math

An arithmetic progression as the same first and second terms as the geometric progression. Find the sum of the first 20 terms of the arithmetic progression. How do I do this? I tried to find the common ratio for G.P. and then substitute it to find the 20th

25. ## heeeeeelp math

In a tetrahedron ABCD, the lengths of AB, AC, and BD are 6, 10, and 14 respectively. The distance between the midpoints M of AB and N of CD is 4. The line AB is perpendicular to AC, BD, and MN. The volume of ABCD can be written as a√b, where a and b are

26. ## math word problems

A ladder is leaning against a building. The distance from the bottom of the ladder to the building is 9 ft less than the length of the ladder.how high up the side of the building is the top of the ladder if that distance is 2 ft less than the length of the

27. ## English

When applicable, entries on an MLA Works Cited page must include all the following except: 1. author, title of article, title of periodical in which the article was published. 2. date of publication, volume and issue number of periodical, page numbers. 3.

28. ## French

hi there, could anyone please proof-read this for me? many thanks! il y a cinq ans que j'ai vu un accident. il faisait beau, et ma parents et moi allions du supermarché. Ma père conduisait. Quand nous passé le feux de signalisation, nous avons voyions

29. ## Álgebra

I'm thinking of two numbers. The first number is three times the second. The second number is five less than two times the first. What are my numbers?

30. ## math

how to do this? In an island, a number of survivors have enough food to last for 5 days. After 2 days, 4 of the survivors died and the remaining food lasted for 5 more days. Find the original number of survivors...

31. ## physics

A certain elevator cab has a total run of 204 m and a maximum speed is 321 m/min, and it accelerates from rest and then back to rest at 1.21 m/s2. (a) How far does the cab move while accelerating to full speed from rest? (b) How long does it take to make

32. ## chemistry

A 10.0 ml diluted chloride sample required 44.89 ml of 0.01982 M AgNO3 to reach the Fajans end point. how many moles of Cl- ions were present in the sample? What was the concentration of chloride in the diluted solution?

33. ## algebra II

Find the payment necessary to amortize the loan. 11) \$ 1500; 6% compounded annually; 7 annual payments 11) _____ A) \$ 271.33 B) \$ 241.55 C) \$ 305.05 D) \$ 268.70

34. ## physics helpdifficult

i want the answer just don't leave it upon me just giving the process..................................................................................................Two thin and identical steel rods move with equal speeds v=1 m/s in opposite directions

35. ## math

The following numbers can be represented as 8-bit numbers in the binary representation.Which of these has a ‘1’ in the second place from the right in the binary representation? A. 171 B. 185 C. 214 D. A and C

36. ## WORD PROBLEM

A roofer's 30 FOOT ladder is against the side of a house. It is 8 YARDS from the ground to the top of the house. How far away from the house must he place the foot of the ladder in order to have the top of the ladder meet the roof of the house?

37. ## Math

A man bought a house for 76,000. he made a down payment of 26,000 and agreed to pay 2,500 each year with a interest of 14% on an unpaid balance. His payment at the end of the second year was?

if the product of two whole numbers is zero, then one of the factors is zero. To what axiom does this refer? I am unsure of the answer dealing wth axiom but im thinking it would possibly be the non zero divisor?? I don't know if im right

39. ## English

What does voice refer to in a sentence? What does tense refer to?

40. ## Social Studies

A person described as a nativist would most likely support what??

41. ## heeeeeeeelp math

In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in degrees) of ∠ADC?

42. ## geometry

sodium has a body-centered cubic structure with a unit cell that is 430 picometers wide. estimate the radius of a sodium atom. please help me, I don't know how to get the solution. THank you

43. ## English

Hi can you please help correct this paragraph or give me direction. Thank you, the assignment is: Your cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You

44. ## muet

summary about parental guidance and home enviromen are the key to a childs academic excellence

45. ## English

What does it mean to vary the sentence pattern within a written work?

46. ## English

Explain how reading, critical thinking, and writing relate to one another.

47. ## English

What do you believe differentiates academic writing from other types of writing?

48. ## SCIENCE

3) You add 36 g of MgSO4 to pure water to a final volume of 200 mL. What concentration of solution did you make ? Express the results as percentage, % (w/v).

b^2-40

50. ## Alpha, beta

When I had to form an equation, I got x^2-2x+11/9. Do I have to get rid of the fraction and make it to be 9x^2-18x+11=0?

51. ## heeeeeeeeelp math

For every positive integer n consider all polynomials f(x) with integer coefficients, such that for some real number a *x(f(x+a)−f(x))=n*f(x) Find the largest possible number of such polynomials f(x) for a fixed n

52. ## heeeeeeelp math

f(x)=x ^2 +bx+c , b and c real .Find the minimum of (max|f(x)|)for x∈[−10,10]?

53. ## math waaaaarning

Find the sum of all primes q

54. ## plsheeeeeeeeeeelp math

Find the largest possible number of distinct integer values {x_1,x_2,…,x_n}, such that for a fixed reducible degree 4 polynomial with integer coefficients, |f(x_i)| is prime for all i?

55. ## algebra

on three consecutive passes a football team gains 7 yards, loses 22 yards, and gains 33 yards, what number represents total yardage?

log

57. ## Chemistery

How much heat is contained in 4 liter of liquid methanol (CH2OH) when it is completely combusted (excess oxygen) to form carbon dioxide and water. the density of metanol is 0.7918 g/ml.

58. ## data

A die is thrown 20 times and a sucess is defined as on or a six on the upace of the die,. Use binomial distribution to determine the probability of getting exactly 5 successions in 20 trials

59. ## social studies

Imperialism - foreign policy assessment of big stick, panama canal, dollar, moral and open door policies - regarding moral policy where is information about the policy, who created it, when and where it was applied, etc. I cannot find information regarding

60. ## French

Hello, can someone please proof-read this for me? thanks. sigh,i can do the exercises in the grammar workbooks but when it comes to writting passages like this...i make so many mistakes it is not funny... could someone please point out the mistakes?

61. ## Calculus

Can someone solve this integral for me? My calculator just gives me a decimal approximation but I need an exact number. Thanks! :) pi[{3ln(3)^2 - 6ln (3) + 6} - {ln(1)^2 - 2 ln(1) + 2}]

62. ## social studies

can you explain the slave trade and the 3/5 th compromise to me? what states were involved in this trade? http://www.aaregistry.com/african_american_history/552/The_ThreeFifths_compromise http://wiki.answers.com/Q/What_is_the_Three-fifths_compromise

63. ## Math

A bus leaves Town A on Saturday night and is supposed to arrive at Town B at 08:17 am on Sunday morning. If the estimated journey time is 10 hours 43 minute, at what time on Saturday should the bus leave Town A?

64. ## math

what is the remainder when 2^1000 is divided by 7??

65. ## math

how to solve for x? 5^x=(25^(2x-1))(125^(4-2x))

66. ## phy

What is the distance between an object and its real image formed by a thin converging lens with focal length f = 21 cm, if the object distance is 100 cm? (b) What is the minimum object-image distance for a real image formed by that lens?

67. ## BUS

PROVIDED ACCOUNTING SERVICES,AND ANALYZED THE FINANCIAL STRENGTH OF HER CLIENTS BUSINESSES. CARMEN IS WORKING AS A

68. ## heeeeeeelp math

For every positive integer n, consider all monic polynomials f(x) with integer coefficients, such that for some real number a x(f(x+a)−f(x))=nf(x) Find the largest possible number of such polynomials f(x) for a fixed n

69. ## heeeeeeelp math3

For every positive integer n consider all polynomials f(x) with integer coefficients, such that for some real number a *x(f(x+a)−f(x))=n*f(x) Find the largest possible number of such polynomials f(x) for a fixed n

70. ## heeeelp math

Find the number of polynomials f(x) that satisfy all of the following conditions: f(x) is a monic polynomial, f(x) has degree 1000, f(x) has integer coefficients, f(x) divides f(2x^3+x)

71. ## heeeeeelp math

For every positive integer n, consider all polynomials f(x) with integer coefficients, such that for some real number a x*(f(x+a)−f(x))=n*f(x) Find the largest possible number of such polynomials f(x) for a fixed n

72. ## help maaaaath

Find the largest possible number of distinct integer values {x_1,x_2,…,x_n}, such that for a fixed reducible degree 4 polynomial with integer coefficients, |f(x_i)| is prime for all i?

73. ## statistics

considering that a research can test at the

74. ## math

Facebook is becoming a social superpower with 126 million registered members who log in at least once daily. They share 1.6 billion photos and 10.6 million videos each month. What is the average number of photos and videos that each active member posts?

75. ## sociolgy

It has been said that modernization theory assomes that in backward areas modernity-inhibiting characteristics are dominant. This suggests that the effects of international factors and positive of traditional culture have no bearing on the lack of

76. ## Math

List the multiples of 4 from 8010 to 8019

77. ## Divinity

Discuss the significance of such phrases as "thus says the lord"in prophetic oracles,do they gurantee divine authority

78. ## math

how to do this?? 11/15=(1/a+(b/c+(d/e+f))) find a,b,c,d,e, and f??

79. ## probability

Let Y=X2. Calculate the following probabilities: P(Y=0)= P(Y=1)= P(Y=2)=

80. ## ACC

PATTYS BAKER HAS A COST OF GOODS SOLD FOR THE YEARS 2011,2010,AND 2009 RESPECTIVELY , OF \$28,600,\$26,900. AND \$25,600. IF 2009 IS THE BASE YEAR, THE TREND PERCENTAGE FOR 2011 IS?

81. ## heeeeeeeeelp math

A subset S of {1,2,…,n} is said to be packed if whenever i,j∈S the number ⌊(i+j)/2⌋ is also in S. Determine how many subsets of {1,2,…,25} are packed. Details and assumptions i and j need not be distinct. If i=j is in the set, then clearly so is

82. ## heeelp math2

Find the number of polynomials f(x) that satisfy all of the following conditions: f(x) is a monic polynomial, f(x) has degree 1000, f(x) has integer coefficients, f(x) divides f(2x^3+x)

83. ## heeeeeelp math

A subset S of {1,2,…,n} is said to be packed if whenever i,j∈S the number ⌊(i+j)/2⌋ is also in S. Determine how many subsets of {1,2,…,25} are packed. Details and assumptions i and j need not be distinct. If i=j is in the set, then clearly so is

84. ## cananyone solvethis math

A subset S of {1,2,…,n} is said to be packed if whenever i,j∈S the number ⌊(i+j)/2⌋ is also in S. Determine how many subsets of {1,2,…,25} are packed. Details and assumptions i and j need not be distinct. If i=j is in the set, then clearly so is

85. ## Computer pls help

A Harshad Number in a given number base is an integer that is divisible by the sum of its digits when written in that base. For example, the number 11 in base 5 (which is 6 in base 10) is divisible by 1 + 1 = 2 in base 5. It is therefore a Harshad number

86. ## heeeeeelp math

x)=x ^2 +bx+c , b and c real .Find the minimum of (max|f(x)|)for x∈[−10,10]?

87. ## heeeeeelpm math

A strip of 41 squares is numbered 0,1,2,…,40 from left to right and a token is placed on the square marked 0. Pinar rolls a pair of standard six-sided dice and moves the token right a number of squares equal to the total of the dice roll. If Pinar rolls

88. ## plls help maaath

f(x)=x ^2 +bx+c , b and c real .Find the minimum of (max|f(x)|)for x∈[−10,10]?

89. ## heeeeeelp computer

A Harshad Number in a given number base is an integer that is divisible by the sum of its digits when written in that base. For example, the number 11 in base 5 (which is 6 in base 10) is divisible by 1 + 1 = 2 in base 5. It is therefore a Harshad number

90. ## heeeeeeeeeeelp math

A strip of 41 squares is numbered 0,1,2,…,40 from left to right and a token is placed on the square marked 0. Pinar rolls a pair of standard six-sided dice and moves the token right a number of squares equal to the total of the dice roll. If Pinar rolls

91. ## heeeeeeeelp math

Find the smallest n such that for some prime p, at least 20 of the numbers 1,2,...,n are quadratic non-residues modulo p.

92. ## heeeeeeeeelp math

Optical fibers are devices used for guiding light in many applications, most notably for fast communication. A fiber consists of a glass cylinder surrounded by a wall covered in a special coating. The fibers work on a principle called total internal

93. ## calculus

Find the dimensions of a right circular cone, that holds one liter and is made with a minimum amount of sheet metal. It is open on the top.

94. ## Physics

If given the ratio of temperatures in Celsius to Kelvin for Gold to silver as 1.10614 to 1.08265. How can I find the temperatures of each individual element form just this information?

95. ## math

x 0 0.2 0.4 0.6 0.8 1 1.2 f(x) -2 4.16 4.32 4.48 4.64 7.8 7.96 estimate of f′′(0.6).

96. ## Math

How do I write each of the factors as multiples of 10 or 100, group them so the multiples of 10 are together and determine the final product?

97. ## muet

summary about parental guidance and home enviromen are the key to a childs academic excellence

98. ## english

summary about Parental guidance and home enviroment and the key to a dhilds academic axcellence.

99. ## economics

Is it possible for a female only 21 years old and 1 year of work experience to have an income of \$92560 US in the 1980s?