# Mae

Most popular questions and responses by Mae
1. ## Physics

A student initially at rest on a frictionless frozen pond throws a 1 kg hammer in one direction. After the throw the hammer moves off in one direction while the student moves off in the other direction. Which of the following correctly describes the above

2. ## Statistics

a manufacturing machine has a 8% defect rate. if 5 items are chosen at random, what is the probability that at least one will have a defect

3. ## Chemistry

An solution of antifreeze is prepared by mixing 23.0mL of ethylene glycol (d = 1.11 g/mL;molar mass = 62.07 g/mol) with 50.0 mL H2O (d = 1.00 g/mL) at 25°C. If the density of the antifreeze solution is 1.07 g/mL, what is its molaritY?

4. ## Statistics

if a seed is planted, it has a 70% chance of growing into a healthy plant.if 6 seeds are planted, what is the probability that exactly 1 doesn't grow?

5. ## Algebra

Katie invested a total of \$7,000, part at 2% simple interest, and part at 3% simple interest. At the end of 1 year, the investments earned, \$184.00 interest. How much was invested at each rate?

6. ## Math - gr.11

A tunnel with a parabolic arch is 12m wide. If the height of the arch 4m from the left is 6m, can a truck that is 5m tall and 3.5m wide pass through the tunnel? Can someone please help me with this? and could you show me steps how you got the answer, i

7. ## Math

The ratio of the width to the length of a rectangle is 1:3. Which of the following ratios represents a rectangle with…… a)5:7 b) 6:9 c) 33:100 d) 21:63

8. ## Chemistry

Enough concentrated sulfuric acid solution was added to provide 3 grams of sulfuric acid which dissolved i4 grams of pure fluorapatite. How much excess sulfuric acid was used? (report answer in grams of H2SO4

9. ## Algebra

Translate this phrase into algebraic expression--Three more than the product of 24 and Mabel's height with m to represent Mabels height

10. ## PHYSICS

A 20 kg wagon is pulled along the level ground by a rope inclined at 30 deg above horizontal. A frictional force of 30 N opposes the motion, how large is the pulling force if the wagon is moving at constant velocity.

11. ## Genetics

1. Why are we using more dilute cultures for the killing curve while we are using the arg selection culture at full strength? 2.How would you find the arg+ mutants on the killing curve plates? 3. when designing a protocol to produce auxotrophs for

12. ## science

parasitic worm infestation is hypothesized to be damaging to the host. However scientists have recently discovered that worm infestation of certain autoimmune disorders. in which of the following ways should the hypothesized to be modified , given the new

13. ## Chemistry

Phosphorus fertilizers are derived from phosphate rocks, called florapatite, Ca5(PO4)3F. Fluorapatite is insoluble in water, so it must first be dissolved using excess sulfuric acid to form water soluble calcium dihydrogen phosphate Ca(H2PO4)2. If a

14. ## trig

A plane is flying 12,000 feet horizontally from a tall, vertical cliff. The angle of elevation from the plane to the top of the cliff is 45degrees, while the angle of depression from the plane to a point on the cliff at elevation 8000 feet is 14degrees.

15. ## chemistry

How many moles of methane occupy a volume of 2.00 L at 50.0 degrees C and 0.500 atm? What formula do I use and how do I get it to moles??

16. ## Math

You borrow \$2,000 for a period of 4 years. You are charged simple interest at a rate of 3%. How much will you repay at the end of 4 years? So, do I draw out the formula I = P x R x T. I = Interest - unknown P = Principal - 2,000 R = Rate - 3%, 3 / 100 =

17. ## social studies

Which of the following is a likely cause of the shape of the population graph of Mexico? (1) Mexico has adopted China's "one family-one child" program. (2) About 60 percent of Mexico's industrial workers live in or near Mexico City. (3) Much of the land in

18. ## Algebra

Write 806,000,000 in scientific notation

19. ## government

five purposes of govt...protection,order,conflict resolution,econ. stabilty and public services....provide example of govt. that fulfills each purpose... I really don't about conflict resolution and econ. stability...Thank you

20. ## Chemistry

a) If you have 5 dinitrogen monoxide molecules, how many nitrogen atoms do you have? b) If I had 5 moles of dinitrogen monoxide molecules, how many individual nitrogen atoms would I have? I think the answer for A is 6 nitrogen atoms. but I have no idea on

21. ## chemistry

how much of 0.1 M NaOH is needed to neutralize 5mL of 0.1 M of HCL to a ph 7(color on the ph scale)...Thank you

22. ## math

Sally invests some money at 6%/a compounded annually. After 5 years, she takes the principal and interest and reinvests it all at a 7.2%/a compounded quarterly for 6 more years. At the end of this time, her investment is worth 14,784.56.how much did sally

23. ## Math

I really need help with this question please Break-even equation. Fill in the blank. The following table contains selected data concerning several outpatient clinics in the new Ambulatory Care Center at Hope University Hospital. Fill in the missing

24. ## trigonometry

a kite has 120 m of string attached to it when it flies at an elevation of 5 degrees. How far is it above the hand holding it? ( assume that the string is taut)

25. ## Chemistry 2

How many grams of O2 will dissolve in 2.50L of H2O that is constant with pure O2 at 1.00atm?

26. ## Help! Help! Organic Chemistry

Alcohol Dehydration of 4-methyl-2-pentanol (a)based on the mechanism of the reaction, explain why (E) and (Z) 4-methyl-2-pentenes and the 2-methyl-2-pentene are the three major alkene products. (b)Explain why the reaction conditions promote carbocation

27. ## calculus

(1 pt) A new software company wants to start selling DVDs with their product. The manager notices that when the price for a DVD is 15 dollars, the company sells 132 units per week. When the price is 27 dollars, the number of DVDs sold decreases to 84 units

28. ## PSYCH

In algebra class Stan was a low performer, however, to build his self-esteem he approached the new student in class and informed the student he had the highest score in the class and to contact him if the student needed assistance. What type of systematic

29. ## Chemistry

If the density of ocean water at a depth of 1.00 x 10^4 m is 1.071 g/mL and if 27.0 g of water at that depth contains 197 mg of potassium chloride, what is the molarity of potassium chloride in the sample?

30. ## PSYCH

In the latter part of the 1880s, psychiatrists and neurologists tended to believe that madness was caused by __________. Less severe syndromes like hysteria were __________.   A. biological troubles in the brain, also caused by biological troubles in the

31. ## Math

Determine whether a regular decagon has reflection symmetry and/or rotational symmetry. If it has reflection symmetry, state the number of axes of symmetry. If it has rotation symmetry, state the angle of rotation. Explain how you determined your answers

32. ## math

A pyramid V-ABCD is cut from a cube of edge 12 in.,as shown in the figure. The vertex V is the midpoint of an upper edge of the cube. Compute the lateral surface of the pyramid.

33. ## Algebra

Write 9.79 x 10^5 in standard notation.

34. ## Algebra

Evaluate. Write in simplest form. 6-b/3a a=10 a=-9 My answer is 2 or 5...I'm not sure

35. ## PSYCH

Milfont (2009) found that desirable responding did not impact the self-reporting of environmental attitudes and behavior. What methodological issues might decrease the credibility of this claim? A. Ecological behavior was self-reported instead of measuring

36. ## math

A cyclist completes 3.2 cycle revolutions in 1.4s. What is the angular velocity in radians per second?

37. ## Math

I need help on this problem. I've been stuck on it for 4 days now. Use a net to find the surface area of the prism. 2,296 m2 1,148 m2 757 m2 1,232 m2 the numbers are 25m, 7m, 19m, 7m, 24m I've tried 24x25x7 25x7x5 24x7x5 19x5x25 19x7x24 and other

38. ## pharmacy compding

how much active ingredient is needed to compound 18 lollipops if the formula is 5% active ingredient, 168g sugar,60ml Karo syrup (weighs 84g),60ml water. each lollipop should have 5% active ingredient

39. ## Chemistry / Gas Law

350.0 mg of an unknown gas effuses through a small hole into a 2.00 L flask. It effuses at a rate 1.27 times faster than sulfur dioxide at the same temperature, 20.0 degree C. What pressure would it exert in the 2.00 L flask?

40. ## TEAS ENGLISH

The words over and done may be combined to form a compound word. What is the proper way to create this compound word? A. Overdone B. Doneover C. done-over D. over-done

41. ## PSYCH

Jane suffers from Panic Disorder. What Axis of the DSM would this disorder present on? A. Axis II B. Axis III C. Axis I D. Axis IV is A the right answer?

42. ## Algebra

Find the GCF of 14abc and 28a^2 b^2 c^3 How do I answer this??

43. ## Algebra

You have two types of bread, three types of meat, and four types of cheese. How many different sandwiches can you make if each sandwich has one type of bread, one type of meat, and one type of cheese? 9 sandwiches *My answer* 16 sandwiches 24 sandwiches 27

44. ## Gr.11 - Rational functions graphing.

1. Identify a rational function whose graph is a horizontal line except for two holes. Graph the function. 2. Identify a rational function who graph lies entirely above the x-axis and has a single vertical asymptote. Graph the function. 3. Identify a

45. ## Math

5/8 + 1 7/9 +3. Simplify the expression A) 4 29/72 B) 4 12/17 C) 5 7/18 D) 5 29/72

46. ## Chemistry

Zinc, copper, lead, and mercury ions are toxic to Atlantic salmon at concentrations of 6.42 × 10–2 mM, 7.16 × 10–3 mM, 0.965 mM, and 5.00 × 10–2 mM, respectively. What are the corresponding concentrations in milligrams per liter? Concentration of

47. ## calculus

(1 pt) A new software company wants to start selling DVDs with their product. The manager notices that when the price for a DVD is 15 dollars, the company sells 132 units per week. When the price is 27 dollars, the number of DVDs sold decreases to 84 units

48. ## physics

a stone is dropped from the rooftop of a building 60.0 m high.how many seconds does the stone take reach the ground?

49. ## Math- Check over please

A ball is dropped from a height of 3m and bounces on the ground. At the top of each bounce, the ball reaches 60% of it's previous height. Calculate the total distance travelled by the ball when it hits the ground the fifth time. Could you please check over

50. ## Help! Science....

Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of

51. ## trigonometry

a ladder which is 5 m long leans against a nail on the wall.it makes an angle of 62 derees with the ground. find the height of the nail above the ground and the distance of the foot of the ladder from the wall.

52. ## chemistry

using the balanced equation for the fermentation reaction, calculate for the theoretical amount of alcohol to be produced using 10 grams of sucrose. 0.79 g/ml is ethanol's density.

53. ## physics

A ball is thrown upward from the top of a 24.4-m-tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 30.2 m from the building. What must be the average speed of the person if he is to

54. ## Economics

All of the following are regulatory commissions dealing with industrial regulation (as distinct from social regulation) except the: A. Food and Drug Administration. B. Federal Energy Regulatory Commission. C. Federal Communications Commission. D. 50 state

55. ## PSYCH

Two common confounding variables that must be controlled in a nonequivalent control-group design are: A. selection and regression to the mean. B. selection and maturation. C. maturation and regression to the mean. D. sequence effects and maturation. MY

56. ## Algebra

Find the least common multiple: 2b^2 and 12c^3

57. ## Chemistry

How many atoms are present in 1.25g of molecular hydrogen? I know the way to do it..but for molar mass, would it be 2.02g or 1.00g?

58. ## physics

If the rotational speed of a platform is doubled, how does the linear speed anywhere on the platform change?

59. ## Trigo

Jill walks 10 miles at 40 degrees south of west. How far west of her starting point does she end up?

60. ## Statistics

in a population where 45%of voters prefer candidate A. an organization conducts a poll of 5 voters.Find the probability that 2 of the 5 voters will prefer Candidate.

61. ## Algebra

Write 0.000000474 in scientific notation.

62. ## Algebra

Which fraction is not equivalent to 6/10? 3/5 EQUIVELANT 12/20 EQUIVELANT -6/-10 - 6/10 I know the first two are equivalent to 6/10 but I'm not sure about the last two.

64. ## chemistry

Find the a)partial pressure of ethylene oxide and b)the total gas pressure, after 30 hours in a reaction vessel at 415C if the initial pressure of ethylene oxide is 782mmHg. k= 2.05x 10^-4 t(1/2)=56.3 Part A) I converted hours to seconds, and used the

65. ## Chemistry

There are two flask, one filled with a)ice bath, and b)boiling water. Ice bath: 1.00 L O^2(g) at STP Boiling water: 1.00 O^2(g) If we want the pressure to remain at 1.00bar when the O^2(g) is heated to 373K, what mass of O^2 must we release from the flask?

66. ## significant figures- chemistry

I'm having trouble understanding significant figures. If a problem is requires two equations to finish, which of the original measurements do I use to figure out the significant figure? For ex. 3.001+4.32= 7.321. Then I use this answer for a different

67. ## Healthcare

You are the manager of a variable hospital department and you just received your monthly budget results that state your salaries were higher and your supplies were lower than budgeted.

68. ## chemistry

What property of metals makes them good conductors of electricity?

69. ## English Macbeth- Help please asap

Could this be considered an oxymoron in Macbeth? "Yet who would have thought the old man to have so much blood in him” TIA.

70. ## Math- Rational Functions

1. Some rational functions have asymptotes, others have holes, and some have both. Explain how you can identify, without graphing, which graphical features a rational function will have. Can someone explain this thoroughly ? I don't understand. thanks in

71. ## Physics

A boat heads due North for 3.00 km to reach a red buoy. It then changes direction and heads in a direction of 30.0 degrees South of East for a distance of 4.66 km to reach a blue buoy. The boat changes direction again and heads to a green buoy which is

72. ## PSYCH

Doyen & colleagues (2012) found that __________ effects were the reason that participants changed their walking speed. A. experimenter B. subject C. both subject and experimenter D. neither subject nor experimenter MY ANSWER IS C

73. ## Algebra

Find the product Simplify if possible: 12y/13 * 11/24

74. ## math 8th!

point A (-2,3) lies on a line with a slope of 2. Describe how to find two points on the line on either side of A.

75. ## Math

a bus travels 240 kilometers at 60 kph and then returns at 40 kph.. what is the average speed in kilometers per hour for the round trip?

76. ## t test

A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The hearing ability scores (high

77. ## Math

Lani, Sue, and Jill begin jogging around a quarter-mile track at the same time. Lani takes 2 minutes to complete each lap, Sue takes 3 minutes and Jill takes 4 minutes. How long will they have been jogging when they first meet up again at the point where

78. ## math

the population of a town increased from 30000 to 40000. what is the percent of increase

79. ## math

Is Increasing the Venture Orientation of a Firm always a Good Thing? Or are there Circumstances or Environments in which the further pursuit of Opportunities can diminish Firm Performance?

80. ## PSYCH

Birth is a major adjustment for the infant as he/she leaves the familiar environment of the womb and takes his/her place in the world. Naming a baby is a part of this birth process. Being born and naming a child is considered: A. means of access. B. check

81. ## PSYCH

In which theory is it of utmost importance that an infant develops a relationship with at least one primary caregiver for both social and emotional development to happen properly? A. Attachment theory B. Culture C. Persistence model D. Erikson’s Stages

82. ## Algebra

Solve for h: 3/7 h = 9

83. ## Algebra

Anita owns a beauty supply store. Every two weeks she receives a supply of shampoo. Every four weeks she receives a carton of nail polishes. Every eight weeks she receives a box of combs, and every twelve weeks she receives a box of hair dyes. If Anita

84. ## Algebra

Mary thinks that a quarter-pound hamburger is heavier than a 5 oz hamburger. Explain why she is incorrect.

85. ## Algebra

Paul needs 3 1/4 yards of fabric to make one tablecloth. How many tablecloths can he make from 20 1/2 yards of fabric. 67 7 My answer 6 66

86. ## Algebra

What is the prime factorization of 180? My answer 2 x 2 x 3 x 3 x 5 Am I right?

87. ## Spanish!

Please help me translate the following in Spanish!: 1. I speak to you. 2. She gives her mom a gift. And 3. The doctor gives you a prescription.

88. ## science

5 mL O.1 M HCL...How much 0.1 M NaOH is needed to neutralize the acid? Thank you

89. ## trogonometry

A black bordering Sapphire St. is a right triangle. You start walking around the block, taking 125 paces on sapphire st. and 102 paces on Diamond st. a.) At what angle do Diamond and Sapphire Street Intersect ?

what is mass

91. ## science... Help me urgent!!

Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of

92. ## Science

Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of

93. ## college physics

cost of homework help for college physics

94. ## trigonometry

at a point 27 m from the front of a pole, the angle of elevation of the top of the pole is 53. find the height of the pole

95. ## t test

What is the power of each of the following studies, using a t test for dependent means (based on the .05 significance level

96. ## Derivatives- Math

Can someone explain how to find the derivative of : 1. y= 5^ãx / x And the second derivative of: y= xe^10x For this question I got up to the first derivative and got this y = e^10x + 10xe^10x but I can't seem to get the correct answer for the second

97. ## algebra

the length of a rectangle, given that its width is w feet and its length is 3 feet shorter than twice the length.

98. ## Help on Focus Statement for Report

Is this written correctly? I wrote this for my focus statement on a report I am currently writing. Please double check. Thank you~! In this report, I will justify why the movie Saving Private Ryan follows the Archetypal design by analzing the repeating

99. ## math help

Could someone tell me how to find the inverse of g(x)= x^2-5x-6