sherry

Popular questions and responses by sherry
1. statistics

The probability that a house is burglarized in the city is 5%. If 50 houses are randomly selected, what is the probability that none will be burglarized?

2. Science

The solubility of CO2 in water at 25 degree celsis and 1 atm is 0.034 mol/L . what is the solubility under atmospheric condition? Assume that CO obeys henry's law. ( the partial pressure of CO2 in air is 0.0003 ATM

3. biochem

4)You are informed that a compound secreted from a frog found in the Amazon basin has been showed to inhibit ATP synthesis. Without knowledge of specific details could you speculate on potential mechanisms through which this discovered compound be

4. Intermediate Algebra

convert to scientific notation....0.00024

5. biochem

1)“Gluconeogenesis uses available energy and is therefore an energetically expensive process” why is gluconeogenesis necessary and under what conditions does it occur? What regulatory mechanisms ensure that glycolysis does not occur simultaneously with

6. math

A boy of height 95 cm is walking away from base of a lamp post at a speed of 1.5 m/s.If the lamp post is 3.8 m above the ground, find the length of his shadow after 5 seconds.

7. Microeconomics

1. Complete Table-1 (Joseph Farms, Inc., Cost and Revenue Data), either as a Microsoft Excel spreadsheet, or as a Microsoft Word table. Assume that the price is \$165 and the fixed costs are \$125, at an output level of 1. Also assume that the data

8. biochem

2) Compound called Moniliformin has been shown to affect pyruvate dehydrogenase complex activity and inhibit the conversion of pyruvate to acetyl coA. Without knowing specific details on how this drug exert its inhibitory effect, could you outline

9. physics

A 25.0-kg child on a 3.00-m-long swing is released from rest when the ropes of the swing make an angle of 31.0° with the vertical. (a) Neglecting friction, find the child's speed at the lowest position. m/s (b) If the actual speed of the child at the

10. physics

A 56.0-kg runner has a speed of 3.10 m/s at one instant during a long-distance event. (a) What is the runner's kinetic energy at this instant? KEi = J (b) If he doubles his speed to reach the finish line, by what factor does his kinetic energy change? KEf

11. physics

An older-model car accelerates from 0 to speed v in 10. s. A newer, more powerful sports car of the same mass accelerates from 0 to 4v in the same time period. Assuming the energy coming from the engine appears only as kinetic energy of the cars, compare

12. basic math

how do i writ 21/100 in decimal form

13. Algebra

A cord is cut into two pieces of different lengths. The sum of the two lengths is 12 centimeters, and the difference between the two lengths is 4 centimeters. Find the lengths of the two pieces of cord.

14. math

A submarine enters the sea at an initial speed of 2 meters per minute. The submarine's speed triples every minute. What is the submarine's speed after 5 minutes?

15. science

A cart rolling down an incline for 5.0 seconds has an acceleration of 4.0m/s2. If the cart has a beginning speed of 2.0m/s what is its final speed?

16. biochem

3)Based on your understanding of metabolic processes what would be the short and long term effects of inhibiting the TCA cycle? Explain why there is a need for replenishment of TCA cycle metabolites.

17. Chemistry

MgCl2 (aq) → Mg+2(s) + 2Cl-(g) are the states right? or would Mg+2 be a (g). Note: MgCl2 is very soluble. thanks

18. Math

An open box, no more than 5 cm in height, is to be formed by cutting four identical squares from the corners of a sheet of metal 25 cm by 32 cm, and folding up the metal to form sides. The capacity of the box must be 1575 cm^3. What is the side length of

19. physics

A 5.3-kg block is pushed 2.3 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of θ = 30° with the horizontal, as shown in the figure below. If the coefficient of kinetic friction between block and wall is

20. psycology

in order to increase self esteem ,experts say you should what

21. Algebra

A ball is thrown upward with an initial velocity of 14 meters per second from a cliff that is high. The height of the ball is given by the quadratic equation where h is in meters and t is the time in seconds since the ball was thrown. Find the time that

22. Physics

A balloonist, riding in the basket of a hot air balloon that is rising vertically with a constant velocity of 9.5 m/s, releases a sandbag when the balloon is 44.3 m above the ground. Neglecting air resistance, what is the bag's speed when it hits the

23. Physics

A hollow, thin-shelled cylinder of mass rolls along a horizontal surface with a translational speed of v. What percent of its total kinetic energy is translational?

24. Intermediate Algebra

Solve using the elimination method.Show work.If system has no solution state this or infinite solution 8x+10y=-34 16x-5y=-43

25. Algebra

Solve using the substitution method. 0.3x+0.2y=5,0.5x+0.4y=11

26. math

how do you sketch the graph for 2x+y=4 using a domain -3x

27. Algebra

A metal stays solid at fahrenheit temperatures below 1710.5 Determine (in terms of an inequakity) thoses celsius temperatures for which the metal stays solid. Use the formula F=9/5 C + 32. The solution set is {C< __ fahrenheit} 1710. Round to the nearest

28. biochem

7)In the event that one of the enzymes of the urea cycle is defective what biochemical indicators can one use to identify the defective enzyme? What are the consequences of a defective urea cycle? What approaches can be used to minimize of a defective urea

29. physics

2.A hiker used a compass to orient himself as he walked 3.00 km in a direction 50.0° north of west, and then an additional 2.00 km in a direction 20.0° south of west. The trip took 1.25 hours. Calculate the magnitude and direction of the hiker’s

30. theology

Discuss how the Nicene Creed has stood the test of time as such a pivotal expression of faith. What is it about this expression that has remained so close to the center of Christian faith and worship?

31. Genetics

A poor custodian is working in a seedy factory when he is pushed into a vat of ethidium beomide during an epic fight between a superhero and a villain. 1. What mutations are likely to occur from this exposure? 2. What repair mechanisms would be used to fix

32. English Language

Is this sentence a declarative or interrogative? "I wonder if all mammals have fur"

33. Chemistry

A 11.0g sample of a compound containing only oxygen and carbon produce 3.0g carbon and 8.0g oxygen. Determine the empirical formula of the compound.

34. math

a formula for calculating simple interest is I = Pr, were I is the interest earned in dollars, P is the principal or original investment, and r is the fixed rate of interest. If the amount of interest earned is \$2.25 and the interest rate is 3%, what is P?

35. psychology

what does it mean mind over matter?

36. chemistry

A sample of oil has a mass of 65g and a volume of 80.0 mL. What is the density?

37. psychology

Aresearcher is studying people of normal weight and obese individuals.She wants to know how the time of day affects hunger feelings in these two groups. when, during the experiment, the researcher looks at her watch, she has introduced what into the

38. Intermediate Algebra

(1/2)^3(2/3)^4/5/6^3

39. Intermediate Algebra

Short Answer.Raise the quanity in parenthesis to the indicated exponents and simplify.Express answers with positive exponents.(-27x^0y^-2/54x^-5y^-4)^-2

40. Intermediate Algebra

simplify expression..sqrt-11,sqrt.-55

41. Algebra

find the slope.If it is not defined state this..(0,1)(3,-3)(5,-6)(-1,3)(-3,6)

42. Algebra

Given the linear equation y=-4/3x+1,find the y-coordinates of the points (-6),(-3) and (6).Show work.Plot these points and graph linear equation.

43. Algebra

Find slope,if the line is defined state this. (0,2)(4,-3)(5,-7)(-2,5)(-4,6)

44. statistics

Chicken Delight claims that 91 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 70 orders revealed that 60 were delivered within the promised time. At the .02 significance level, can we conclude that less

45. Science

Describe how scientific or technological activities are exacerbating or improving the existing situation of the Antarctic food web

46. Math

When you look out over an unobstructed landscape or seascape, the distance to the visible horizon depends on your height above the ground. The equation d=3/2h is a good estimate of this, in which d=distance to horizon in miles and h=height of viewer about

47. College Algebra II

When you look out over an unobstructed landscape or seascape, the distance to the visible horizon depends on your height above the ground.

48. pre algebra

please show me step by step how to solve the following equation -2x+4y=9 to find the slope of the line.

49. math

what is the natural logarithm of (4x-1)=36

50. brain teaser help

The new science teacher claims he can place a beaker in the middle of the science lab and crawl into it. How? Does anyone get this or hav an idea? haha I think it was a metaphor or some joke or something :P, just to get you insterested. Because you did say

51. chemistry

What is the principle or why is the solubility of potassium nitrate at 55 degrees using a graph is 70g per 100g of water

52. math

why can't you just answer the quesstion?

53. U.S. History

During the presidency of Richard Nixon, the United States a) sought to protect human rights. b) sought to close the USSR out of world markets. c) retreated into relative isolation. d) worked for a reduction of tensions known as detente. e) none of the

54. math

estimate 26X3X101

55. biochem

8)Giving appropriate example describe the role of Calcium (Ca2+) in regulation of metabolic processes during muscular activity?

56. biochem

5)A recent study showed that a newly discovered drug that acts as an uncoupling agent of the electron transport chain was causing significant weight loss in humans. A) Describe how uncoupling agents work? b) Based on your knowledge of metabolic processes

57. Physics

passenger must experience no greater than 10 times the magnitude of the acceleration due to gravity as the spring cushions their fall & brings the elevator to rest. Calculate the spring constant assume mass of elevator and passenger is 'M' kg. what is the

58. Science

similarities between naturopathic medicines to Aboriginal healing medicine.

59. Chem

1a) Calculate the molar concentration of the KIO3 solution provided. KIO3 2.15g/L we used 10 mL in the experiment.

60. English

Okay so i have a have chosen 2 book (Day of the Triffids & Oryx and Crake ) We had to describe a theme that describes both these book below is the theme i proposed but my teacher said it was "to broad". So i would like some help and tips of how to make it

61. Chemistry G.12

Check if im right please: 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) At a specific time in the reaction, ammonia is disappearing at rate of 0.068 mol/(L • s). What is the corresponding rate of production of water? I did Rate of Production H20 = 1/6(0.068) =

62. Chem

In a lab where a thermometer is used to measure temperature for a hot liquid it is possible as and error that the thermometer will cause the temperature of the liquid to cool slightly causing a observation error but how can this be fixed to minimize error?

63. Chemistry G.12

(a) Which of the properties, crystal lattice energy and hydration energy, reduces the solubility of an ionic compound? (b) Which property, when increased, increases the solubility? I was thinking for (a) that it would be crystal lattice energy and for (b)

64. English

How do euphemisms, cliché’s, proverbs and ready phrases influence the way you write and speak? Don't provide me an answer rather put me on the right track of thinking. Please and Thank you!

65. chemistry

Okay so i have this titration question and I don't really know the steps because everyone explains it differently. IF someone could explain me the steps of how i could solve this questions and other like this. Thanks In three runs of titration 22.8mL,

66. Chem

How does H20 become the Product? Is it a special rule or something? MG(OH)2 + HCl = MGCl2 + H2O Thanks.

67. Health

set a SMART mental health goal and One social health goal

68. math

SAC held a spring fling. SAC provides the following formulas about the spring fling. 1. The number, N, of people who attend the park is a function of price, p, in dollars: 𝑁(𝑝) = −(𝑝 + 5)(𝑝 − 17) assuming the minimum ticket price is \$12. 2.

69. Math - Trig

The depth of water, h, in metres at time t, in hours, is given by the formula: h(t)=7.8+3.5sin[pi/6(t−3)]. Its a 24 hours period and t=0 is midnight. Provide an algebraic solution to determine the time(s) of day, the water reaches the depth of 10.29 m i

70. Math

The function g(x)=ax^3−x^2+x−24 has three factors. Two of these factors are 𝑥−2 and 𝑥+4. Determine the values of a and b then determine the other factor.

71. Finance

annual net cost Monthly fee \$4, check processing fee of 20 cents, average 23 checks written per month. annual interest of 1.5 percent paid if balance exceeds \$750, \$8 monthly fee if account falls below minimum balance, average monthly balance \$815, account

72. Algebra

There is an initiation fee to join the River Country Club, as well as monthly dues. The total cost after 7 months' membership will be \$3,125, and after 11/2 years, \$3,950. Find both the initiation fee and the monthly dues. initiation fee \$ monthly dues \$

73. p

A 3.30-kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (see the figure below). If the ball is in contact with the wall for 0.204 s, what is the

74. physics

Two objects of masses m1 = 0.58 kg and m2 = 0.92 kg are placed on a horizontal frictionless surface and a compressed spring of force constant k = 300 N/m is placed between them as in figure (a) shown below. Neglect the mass of the spring. The spring is not

75. physics

A 12.0-g piece of clay is launched horizontally at a 102-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 52 N/m. The piece of clay sticks to the side of the block. If the

76. physics

A 3.30-kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (see the figure below). If the ball is in contact with the wall for 0.204 s, what is the

77. physics

A 12.0-g piece of clay is launched horizontally at a 102-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 52 N/m. The piece of clay sticks to the side of the block. If the

78. physics

A 3.30-kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (see the figure below). If the ball is in contact with the wall for 0.204 s, what is the

79. physics

ball of mass m = 1.70 kg is released from rest at a height h = 54.0 cm above a light vertical spring of force constant k. The ball strikes the top of the spring and compresses it a distance d = 8.80 cm Neglecting any energy losses during the collision,

80. physics

An archer pulls her bowstring back 0.420 m by exerting a force that increases uniformly from zero to 240 N. (a) What is the equivalent spring constant of the bow? N/m (b) How much work does the archer do in pulling the bow? J

81. physics

A 0.290-kg block along a horizontal track has a speed of 1.30 m/s immediately before colliding with a light spring of force constant 53.4 N/m located at the end of the track. (a) What is the spring's maximum compression if the track is frictionless? m

82. health II

Every nerve impulses stimulate the breathing process or ventilation, which moves air through a series of passages into and out of the lungs

83. physics

A 5.3-kg block is pushed 2.3 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of θ = 30° with the horizontal, as shown in the figure below. If the coefficient of kinetic friction between block and wall is

84. physics

A daredevil on a motorcycle leaves the end of a ramp with a speed of 30.5 m/s as in the figure below. If his speed is 29.0 m/s when he reaches the peak of the path, what is the maximum height that he reaches? Ignore friction and air resistance. m

85. math

Can you please help me figure out what 3/8 is written as a fraction,a decimal, and a percent?

86. Geography

What is the definition of the term Aryan Migrations?

87. science

how many grams of CO2 (g) are there in 82.0ml of the gas at 0.916 atm and 30 degrees ceksius

88. physics

A uniform ladder, 3 m long and weighing 130 N, placed against a smooth wall, its lower end being 1.80 m from the wall. A 700N man stands on the upper most rung of the ladder located 0.45 m from the upper end of the ladder. a.) What are the vertical and

89. physics

An object has a weight of 5.10 (N) AT SEA LEVEL. What is the acceleration due to gravity on the object if it is placed in a spaceship?

90. math

A loan has a due date of December 20. If it is made on September 19, for how many days is the loan?

91. math

solve 15-18+n and 18+5+N

92. physics

An elevator and rider have a mass of 1600 kg combined. What is the tension force in the cable lifting them at a steady speed of 3 m/s? Assume no friction.

93. cups of milk

A recipe calls for 2 3/4 cups of milk. How many cups of milk, written as a fraction greater than one, are used in the recipe

94. pscyhology

another descriptive is called? in which ? individual is studied in great details

95. pscyhology

tentative explanation is known as ?

96. young child

A child have not learn the prerequisite fundamentals need for a combination of motor patterns is suffering from what

97. math

Macy's originally sold designer jackets for \$2.77.if they are put on sale at a markdown of 22%,what is the sale price

98. algebra

find the equation of the line that is perpendicular to y=-3x-6; (-1,5)?

99. Algebra

Write linear equation in form y=mx+b given this condition parallel to y=-1/2x +1, through (4,2)?