# Eve

Popular questions and responses by Eve
1. ## Physics

A student has a weight of 650 N. While riding on a roller-coaster this same student has an apparent weight of 1.97 x 103 N at the bottom of a loop that has a radius of 17.0 m. The speed of the roller-coaster is I just need the forumla, doesn't even have to

2. ## Physics

If a small planet were located 7 times as far as the Earth's distance from the Sun, it period is ___ earth years?

3. ## Physics

An object is thrown vertically and has an upward velocity of 18 m/s when it reaches one fourth of its maximum height above its launch point. What is the initial (launch) speed of the object?

4. ## calculus

By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 14 in. long and 6 in. wide, find the dimensions of the box that will yield the maximum

5. ## physics

A lizard accelerates from 2m/s to 10m/s in 4 seconds. What is the lizards average acceleration?

6. ## Physics

A string requires a 191.0 N force in order to break. A 1.75 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.92 m. The maximum speed that this mass can be whirled without breaking the string is

7. ## Calculus

Use implicit differentiation to find dz/dy for yz = ln (x+z) I am unsure of how to deal with the right side specifically.

8. ## Physics

A 2.5 kg object is whirled in a vertical circle whose radius is 0.89 m. If the time of one revolution is 0.94 s, the magnitude of the tension in the string (assuming uniform speed) when it is at the top is

9. ## 3rd math

Write 35 divided by 7 in three different ways. What is the quotient? do they mean 35 divided by 5= 7 , 35 divided by 7= 5 or by sign?

10. ## Physics (Formula)

A string requires a 191.0 N force in order to break. A 1.75 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.92 m. The maximum speed that this mass can be whirled without breaking the string is Again I just need the

11. ## macroeconomics

a) Suppose the economy is characterized by the following behavioral equations: C = c0 + c1YD YD = Y – T I = b0 + b1Y Government spending is constant. Note that investment now increases with output. Chapter 5 will discuss the reasons for this relation.

12. ## english

is the adjective in this sentence empty: the car's gas tank is empty

13. ## chem help

The reaction of methane and oxygen yields carbon dioxide gas and water. The unbalanced reaction is as follows: CH4(g) + O2(g)CO2(g) + H2O(g) A. If 1.26 grams of methane are reacted, how many grams of water vapor are produced? B. If 2.796 grams CO2 are

14. ## Physics

A 2.5 kg object is whirled in a vertical circle whose radius is 0.89 m. If the time of one revolution is 0.94 s, the magnitude of the tension in the string (assuming uniform speed) when it is at the top is I just need the formula and it doesn't even have

15. ## emperature

At six a.m, the temperature outside is 12 degree celsius. By noon, the temperature is 5 degree celsius warmer. What is the temperature at noon?

16. ## Social Studies

Use the passage to answer the question. How does this passage from the Ramayana reflect the Hindu value of dharma? A. The passage emphasizes that a person's conduct, or good behavior, is what is most important. B. The passage emphasizes that a person

17. ## Chemistry

Compute the approximate density of methane, CH4, at 20oC and 5.00 atm. The molecular weight of methane is 16.0.

18. ## math

If f(x+y)=f(x)+f(y)+5xy and lim f(h)/h =3. h»0 Find f'(x)

19. ## physics

A rocket moves upward, starting from rest with an acceleration of 28.1 m/s2 for 4.76 s. It runs out of fuel at the end of the 4.76 s but does not stop. How high does it rise above the ground?

20. ## Physics

A string requires a 191.0 N force in order to break. A 1.75 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.92 m. The maximum speed that this mass can be whirled without breaking the string is Again I just need the

21. ## statistics

a research wanted to test a new diabetes drug: what level of significance would she use in testing?

22. ## math

I would really appreciate it, if someone helped me how to do this. │x-4│ - │7-x│ = 1

23. ## art

Compare Manet’s Olympia to Millais’s Ophelia. Discuss how each work represents the artist and his period

24. ## math

ethan had \$8 more than dakota. ethan then gave 1/4 od hia money to dakota. the ratio of money ethan had to the money dakota had then became 5:7. howmuch money did ethan give to dakota

25. ## PSYCHOLOGY

Summarize the multi-factorial model and how it relates to the diagnosis of illnesses

26. ## Pre-Algebra [Math]

How do you factor a number? An example question is: Factor the monomial 36x2y completely. Could you please explain the process?

27. ## Economics

Which of the following is usually the most regressive tax? A. Inheritance tax B. Income tax C. Property tax D. General sales tax E. Luxury tax

28. ## Math

how long does it take an investment of \$8000 to double if it is invested at 7% interest compounded continuously. round to nearest year.

29. ## BVRES/Math

Write"six thousand five hundred fifty-eight"in Hindu-Arabic.

30. ## Math

Norma borrowed \$1,800 at 11% interest for 90 days. How much interest did she pay on the loan? a. \$49.50 b. \$198 c. \$2 d. \$18.45

31. ## Calculus (derivatives)

Find the points on the graph of f where the tangent line is horizontal. x/x^2+25 I know you have to do the quotient rule to find the derivative, but then I do not know what to do after that.

32. ## Phsysic

Calculate the acceleration of a 2kg block on a horizontial friction-free air table when you exert a horizintial net force of 20N

33. ## math

I need to find out the type of triangle (by the type of angles). Is triangle acute, right or obtuse, when the lenghts of triangle sides are: a) 7, 8, 12 b) 20, 15, 40 c) 2/3, 8/9, 10/9

34. ## Algebra

I am trying to figure out how to evaluate 100^-3/2. I'm going by the example (64)^2/3=16. IN the example, 64^2/3 is changed into 64^1/3^2=4^2=16. But I don't get why out of all numbers it is changed into 4^2. I know 16 goes into 64 four times, but why is

35. ## chemistry

If a block of wood with the length 1.05 m, height 5.24 cm, and width 3.36 cm and a mass of 2.56 kg what is the density?

36. ## Algebra

Hello. It's the beginning of the school year, and I've quite forgotten what I learned in Pre-Algebra...The question in the text book is this : Simplify each pair of expressions. 1. 36 - 8 ÷ 2 (36 - 8) ÷ 2 There are several problems like the one above.

37. ## Science - - Second Try

I'll repost the question I posted about thirty five minutes ago. It's still unanswered. Hello. (= I can't find the answer to this question: What are the five major classes of Chordates? The following question is: Using the list made in the previous

38. ## Science

Hello. (= I can't find the answer to this question: What are the five major classes of Chordates? The following question is: Using the list made in the previous question, number the Chordate Classes in the order in which each of them evolved.

39. ## Science - - Cells

What structures are found only in animal cells? I can't figure it out...I know that chloroplasts and a cell wall are only contained by plant cells. But what about animal cells?

40. ## Grammar

This year, the local magazine reaches all homes in the area. It would be a great opportunity to let people know the benefits of your business. I want to ask, should the two sentences from above be connected into one with a comma, or is leaving as two

41. ## probability

Events A1, A2 and A3 form a partiton of the sample space S with probabilities P(A1)=0.1, P(A2)=0.1, P(A3)=0.8. If E is an event in S with P(E|A1)=0.3, P(E|A2)=0.3, P(E|A3)=0.6, compute P(E)= P(A1|E)= P(A2|E)= P(A3|E)=

42. ## Social Studies

which of these helped hinduism spread? A. The religion forced people to give up their old beliefs. {I think this is the answer} B. Hindus formed organized groups to worship together C. Other gods and traditions were absorbed into Hinduism. D. Prayers could

43. ## accounting

Sept 29, Year 2 Purchased a one-year public liability insurance policy for \$5,000. The policy becomes effective at 12:01 a.m. October 1, Year 2. journalize the transaction

44. ## geometry

given" triangle KL, LM=12 measure of angle k=60 mesure of angle m=45 find the perimeter is got the angle L is 75 (sum of angles therom) land then I drew a line from point k to line LM the line forms a right angl (by construction). the point that meets LM

45. ## Economics

Which of the following business situation would be banned by the Sherman Anitrust Act? A. A company invents a better product and charges higher price. B. A company lowers the price of a product in order to gain market share. C. A company buys up all

46. ## Chemistry

I posted this before and I know now to use P1T2=P2T1 but I was wondering what I would plug in as pressure and temp? just an example of one would be so great. In each of the four problem in this section, all gases are measured at the same temperature and

47. ## Chemistry

The air in a cylinder of a diesel engine occupies 1.00 L at 30 degrees celsius and 1.00 atm. What is the pressure in the cylinder when the air is compressed to 0.0714 L (14:1 compression ratio) and heats to 480 degrees celsius? When the fuel explodes in

48. ## Chemistry

Ok so I realize this is a lot of questions, but if someone could at least just give me the general set up for each problem that would save my life! In each of the four problem in this section, all gases are measured at the same temperature and pressure. 1)

49. ## math

markup rate base on selling price =22%; markup =\$270. find the selling price

50. ## Pysics

the time required for a car to accelerate from rest to 8.3m/s at 0.75m/s^2 (meters per second cubed) is....?

51. ## Math

Jay loaned Ray 18220 at interest rate of 5.2% for 175 days. How much will Ray pay Jay at the end of the 175 days?

52. ## physics

A child rides a ferrisvwheel for 3.5 minutes. If a rotation covers 986 feet and it rotates 1.5 times per minute, what is the velocity of the ride? Whats the mistake?

53. ## math

Use parenthesis to make statement true 2x8+5-3=36

54. ## civil war

4. In the new cities of the 1800s, streetcars were to the suburbs and residential neighborhoods as glass and steel were to

55. ## english grammar

6. In which of the following sentences is a semicolon used correctly.? I chose A.,joe watered the garden;however,the plants did not grow.

56. ## Physics

i throw a banana vertically up into the air at an intial speed of 10m/s it accelerates down at 10m/s/s calculate the maximum height of the banana? I know you have to use suvat equations In this question but I don't understand how you get enough values in

57. ## Physics

A car of mass 900 kg pulls a caravan of mass 400 kg along a straight horizontal road with an acceleration of 2 ms-2. Assuming that the frictional forces are negligible, the tension in the coupling between the car and caravan is

58. ## Chemistry

In the following reaction, 28 grams of Calcium Oxide CaO reacts with Carbon Dioxide CO2 to produce Calcium Carbonate CaCO3. How much Calcium Carbonate is produced? CaO+CO2 ---> CaCO3

59. ## English

"Most people think of bamboo as a tree or a bush." Is the verb transitive or intransitive? I think I see from other posts it is transitive but why? Where is the direct object?

60. ## Calculus (integrals)

Find the integral:8x^7+6/(x^8+6x)^2 I got ln(x^8+6x)^2 but apparently that is wrong.

61. ## Calculus derivative

find the slope m and an equation of the tangent line to the graph of the function f at the specified point. original: x^2/x+10 point: (3,9/13) After I found the derivative: (x+10)(2x)-(x^2)(1)/((x+10))^2 How do I get the slope? Should I put 3 into the

62. ## calculus (derivativs)

Find the points on the graph of f where the tangent line is horizontal. original: x/x^2+25) After I did the quotient rule I got: (x^2+25)(1)-(x)(2x)/((x^2+25))^2 Then of course I know you set that equal to 0, but I do not know how to set it up or

63. ## calculus

find the points on a graph of f where the tangent line is horizontal. f(x)= x^3 - 18x^2 (x,y)= (smaller x value) (x,y)= (larger x value)

64. ## Calculus

The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation P=132-x^2 where p is measured in dollars and x is measured in units of a thousand. Titan

65. ## calculus

Find the integral. x^4/the square root of (x^5-1)

66. ## calculus

F(x)= ln ((3t + 1)^4 / (2t + 1)^3) F'(x)=

67. ## Calculus

F(x)= ln ((3t + 1)^4 / (2t + 1)^3) F'(x)=

68. ## math

what is the rule for this in/out table? (4,-1), (5.-2), (6,-3), (7,-4) i need help ASAP

69. ## Physics (Formula)

I just need the formula. A 2.5 kg object is whirled in a vertical circle whose radius is 0.89 m. If the time of one revolution is 0.94 s, the magnitude of the tension in the string (assuming uniform speed) when it is at the top is

70. ## physics

calculate the acceleration of 2kg block on a horizontial friction-free air table when you exert a horizontal net force of 20N.

71. ## algebra 2

x^3+6x^2+20x+24

72. ## algebra

You are planning an ornamental garden that has a total area of 200 square feet. There are two sizes of ornamental plants you have chosen for your garden. Each small plant requires 2.5 square feet of space and each large plant requires 8 square feet of

73. ## chemistry

Hello. Please, help me do this. I would be really thankful! Find the mass of triacetate, which you can get from 1.62 ton of wood waste. The yield of process is 75% and there are 50% of cellulose in wood.

74. ## science

Hello. Please, help me do this. I would be really thankful! Find the mass of triacetate, which you can get from 1.62 ton of wood waste. The yield of process is 75% and there are 50% of cellulose in wood.

75. ## math

Hello. Please, help me solve this: Parabola y = ax^2 + bx + c passes through the point (2;-6). Find the values of a, b and c, if vertex of parabola is (4;-10).

76. ## math

Please, help me solve this. log[2]x * log[2](x/4) = 8

77. ## math

Can someone help me do this? I need to find the domain of this equation: x - 3 = 2√11-2x

78. ## math

how do you solve this? cosx - cos(2x) =

79. ## math

One side of triangle is 10 centimetres, two angles next to that side are 30° and 60°. I need to find all three angle bisectors of triangle.

80. ## science

you push a 12.5 kg cart with a force of 14 N if the cart starts from rest how far does it move in 3 seconds?

81. ## histroy

all powers not delegated the united states by the constitution..are reserved to the states respectively or by the people "this language drafted by____and incorporated into the____amendment bill of rights was intended to adress the concerns of the

82. ## Math

A car is heading east toward an intersection at the rate of 40 mph. A truck is heading south, away from the same intersection at the rate of 60 mph. At what rate is the distance between the car and the truck changing when the car is 8 miles from the

83. ## Math

A car is heading east toward an intersection at the rate of 40 mph. A truck is heading south, away from the same intersection at the rate of 60 mph. At what rate is the distance between the car and the truck changing when the car is 8 miles from the

84. ## geometry

The area of a trieangle is 16 ft. squared. The lenght of one side is 8ft. How long is the base?

85. ## Algebra 1

how do find the y and x intercepts for the equation 3x + y = -7 ?

86. ## Math

Minimize C=7x+3y+4z 0≤x 0≤y 0≤z 100≤2x+3y+3z 120≤5x+2z Answer: Minimum value of C =?

87. ## Math

Minimize C=7x+3y+4z 0≤x 0≤y 0≤z 100≤2x+3y+3z 120≤5x+2z Answer: Minimum value of C =?

88. ## algebra

1.)Twice a number is 28

89. ## algebra

1.)Twice a number is 28

90. ## trig

if tan(2x+18)degrees = cot(4x-12)degrees

91. ## Algebra

If 3 is the index, and there is no radicand, and inside of that radical is another radical with ten being the radicand, how could the result be 6 as the index with ten being the radicand? I thought you multiply the outer index with the inner one. In that

92. ## Algebra

3 (in the nook) of the radical of 8 raised to the second power according to my book equals 2^2 which equals for. But how and why does this equal 2^2? Can you explain the process please? I don't get how that radical equals four! Thanks for your help!

93. ## Algebra

I'm adding 2(radical 50) + 12 (radical 8). I began by breaking the radical fifty into two parts: the radical of 25 and the radical of two. The radical of twenty five can break down into five, and the radical of two stays the way it is. Now it should read 2

94. ## Algebra

In my history book the expression square root (with a 3 in the nook( around a square root of ten is given. It says it equals the square root of ten with 6 in the nook. However, I don't understand where the six came from. I thought you multiply the two

95. ## Algebra

How is 6y^2(2y^0)^2 equal to 24y^2 as my book says? I got 144y^5 by raising each number and coefficient to the second power and multiplying 36 by 4. Thanks for your help.

96. ## Algebra

I thought that numbers raised to the zero power were always one, but my book says 6x^0 is 6. How come? Thanks!

97. ## CP Geometry

Hi. I know there must be a formula for this question, but I just can't figure it out. Q.) Imagine a large multiple choice sheet printed with response spaces like the sample below. Now how many unique responses can be encoded? Explain your reasoning!

98. ## Algebra

22=200X62. Do you divide by x, and then multiply the right side by 22? Or do you divide 22 by 200 and 62 but at different times? I know the order of operations but I don't get how to do this. Please help.

99. ## chem

An unknown was prepared with the concentration of 0.000630 M. A Beer's Law plot was prepared using the absorbance values from standard solutions of ASA and a line drawn through all the points passed through the origin with a slope of 1550.2 M–1. The