# alana

Popular questions and responses by alana
1. ## math

mr. henderson has 2 bouncy ball vending machines. he buys one bag of the 27 millimeter balls and one bag of the 40 millimeter balls. he puts an equal number of each in the machine. how manu bouncy balls does he put in each machine?

2. ## Math

10. What is 0.00000512 in scientific notation? The answer is 5.12 x 10 -6 but I have to explain why and idk? :(

3. ## Science

1. Douglas Fir tree rings - excavated from a cave in Arizona. Date: 577 ± 50 years AD Answer: 1373 2. Wood from Egyptian coffin - from the Ptolemic period based on style. Date: 200 ± 150 years BCE Answer: 2150 3. Wood fragments from the floor of a palace

4. ## math

A motorboat left a harbor and traveled to an island at an average rate of 11 knots. The average speed on the return trip was 10 knots. If the total trip took 4.2 hours, how far is the harbor from the island?

5. ## Math

How much would you pay for a pint of milk if you bought 5 gallons of milk for \$28?

6. ## Physics

1.A student moves a box of books down the hall by pulling on a rope attached to the box. The student pulls with a force of 181 N at an angle of 20.8◦ above the horizontal. The box has a mass of 40.3 kg, and μk between the box and the floor is 0.29. The

7. ## math

lindsey buys a bug of each size of bouncy ball. she wants to put the same number of each size of bouncy ball in to 5 party favor bags. how many of each size of bouncy ball will she put in a bag?

8. ## Math

Lines A and B are perpendicular and have the same x-intercept. The equation of line A is x+2y-4=0. Determine the y-intercept of line B.

East Coast DVD employs 54 workers with a gross biweekly payroll of \$94,126. Fringe benefits are \$10.18 per employee for life insurance and 12.3% of payroll for a stock purchase plan. What is the total cost of fringe benefits? a. \$2357.34 b. \$12,127.22 c.

10. ## algebra

A bus was purchased for \$80,000. Assuming the bus depreciates at a rate of \$6,000 per year (straight-line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10

11. ## math

An investment adviser invested \$14,000 in two accounts. One investment earned 4% annual simple interest, and the other investment earned 2.5% annual simple interest. The amount of interest earned for 1 year was \$458. How much was invested in each account

12. ## algebra

Find the values of a in the domain of f for which f(a)equals the given number. f(x) = |x + 5|; f(a) = 9

13. ## Math

A plane leaves Chicago headed for Los Angeles at 520 mph. One hour later, a second plane leaves Los Angeles headed for Chicago at 620 mph. If the air route from Chicago to Los Angeles is 1800 miles, how long will it take (after the first plane takes off)

14. ## math

Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds.

15. ## Science

Define " force ". State the correct units for measuring force.

16. ## mathematics

1 round 234508 to the nearest thousands 2 round 45099 to the nearest thousands 3 round 8650 to the nearest thousands

17. ## Math

In triangle ABC, D and E are midpoints of AB and AC, DE=4x and BC=2x+48. Find BC. Thanks So Much!!

18. ## math

Andrea bought 12 bagels and 10 muffins at the bakery. Of these items, 2/3 of the bagels were multigrain, and 3/5 of the muffins were bran muffins. Answer the following questions in the 2 spaces below: Blank 1: How many multigrain bagels did Andrea buy?

19. ## Chemistry

Answer the following questions using this balanced chemical equation. 2C3H6+9O2+6H2O How many grams of C3H6 are needed to produce 4.2 mol of H2O?

20. ## algebra

Find the zeros of f. f(x) = 2x^2 + x − 21

21. ## algebra

Find the zeros of f. f(x) = 10 − 4x x= ____

22. ## math

A company has determined that the profit, in dollars, it can expect from the manufacture and sale of tennis racquets is given by P = −0.01x2 + 130x − 180,000. How many racquets should the company manufacture and sell to earn a profit of \$174,900

23. ## math

v = 1/3 pie^2 h; solve for h

24. ## math

A plane leaves Chicago headed for Los Angeles at 520 mph. One hour later, a second plane leaves Los Angeles headed for Chicago at 620 mph. If the air route from Chicago to Los Angeles is 1800 miles, how long will it take (after the first plane takes off)

25. ## math

How many liters of water should be evaporated from 110 liters of a 12% saline solution so that the solution that remains is a 20% saline solution?

1. Political culture refers to (1 point) a set of beliefs about the role of government in society. ~an overall set of values widely shared within a society. how truly "American" someone is. a high degree of homogeneity in political opinions. the wide range

27. ## Psychology

Can someone give me an example when the self-fulfilling prophecy resulted from you own expectations of the outcome of the event? Can someone give me an example when the self-fulfilling prophecy resulted someone else's expectations of your performance? I

28. ## physics

You drive a car 7 h at 42 km/h, then 7 h at 65 km/h. what is your average velocity? answer in units of km/h

29. ## computers in day care

does anybody have the questions and answers for examination 305000

30. ## computer science

What is a type of operator that uses the AND, OR, and NOT? I'm not sure if it is (SQL) structured query language or search.

31. ## physics

on a air track, a 400g glider moving to the right at 2.00m/s collides elastically with a 500g glider moving in the opposite direction at 3.00 m/s. Find the velocity of the first glider after the collision Find the velocity of the second glider after the

32. ## Math

At thrift bank,if you keep \$675 in a saing account for 12 years, your money wil earn \$486 in interest. What annual simple interest rate does the bank offer?

33. ## Math

Lois is making applesauce. Each batch she makes yields 3.25 quarts of applesauce. Lois already has 1.5 quarts. She would like to have a total of 14.5 quarts before she is finished for the day. How many batches of applesauce does Lois need to make? A crayon

34. ## Math

Brittany has a gift box in the shape of a cube. Inside of the box measures 15 cm. What is the volume of the gift box.?

35. ## History

7. Which philosophy did Tang rulers apply to govern their empire? A. Buddhism B. Confucianism C. Daoism D. Hinduism I think the answer is D. but Im not sure.

36. ## Finance

The ACME Suction Cup company has \$4,500 of debt and \$10,500 of common stock equity. The total value of the company is \$15,000. The company's cost of equity is 11.5 percent, the cost of debt is 5.9 percent and the relevant tax rate is 35 percent. What is

37. ## maths

two adjacent sides of a parallelogram are 3.5cm and 5cm. what is the ratio of their altitudes

38. ## Physics

At a busy intersection a 1460-kg car traveling west with a speed of 12 m/s collides head-on with a minivan traveling east with a speed of 9.4 m/s. The cars stick together and move with an initial velocity of 1.5 m/s to the east after the collision. What is

39. ## Chemistry, chemical change

N2(g) + 3H2(g) --> 2NH3(g)+ 22,000. ^H = a) 22,000 kcal b)-22,000 kcal c)22 kcal b)-22 kcal

40. ## Physics

A women, flying her plane south at 398 km/h when she encounters a wind blowing west at 104 km/h... A)...what would her resulting velocity be if she made no course correction B)...what speed and direction should she change to in order to maintain her

41. ## Physics

A women, flying her plane south at 398 km/h when she encounters a wind blowing west at 104 km/h... A)...what would her resulting velocity be if she made no course correction B)...what speed and direction should she change to in order to maintain her

42. ## Algebra

Mai has 3 times as many teddy bears as tony. Altogether they have 24 teddy bears. If let tony has x teddy bears, make an equation to find the number of bears that Mai has?

43. ## Algebra

The variable x in the expression 3+2x is replaced in succession by 1,2,3 and 4. Find the sum of the resulting numbers. Thank you for your time and please help! I am very confused.

44. ## music, arts

1. Listen to the Corelli, Vivaldi and Bach examples. Using the stylistic features of each, write a summary of the development of instrumental music in the 18th century. Be aware of overall form and musical elements you hear in the examples. Explain the

45. ## American History

Among instances of corporate malfeasance in the early twenty-first century, the _______ scandal was the most shocking and economically damaging for employees and shareholders. A. American Tobacco B. Tyco International C. Enron D. WorldCom I have looked all

46. ## Maths

Tyson talked with 150 customers on his shift yesterday. Of those, 20% resulted in a successful upsell of additional purchases. If Tyson makes a \$6 commission on top of his regular salary for each successful upsell that he makes, how much commission did he

47. ## algebra

graph f(x) = 2 − 1/4x

48. ## algebra

A bus was purchased for \$80,000. Assuming the bus depreciates at a rate of \$6,000 per year (straight-line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10.

49. ## algebra

Find the zeros of f. f(x) = 2x2 + x − 21 smaller value = ___ larger value = ___

50. ## algebra

Q(t) = 5, if 0 ¡Ü t ¡Ü 5 −t + 7 if 5 < t ¡Ü 8 t − 1 , if 8 < t ¡Ü 11 Q(x), 6 < x < 7 = ____ Q(m2 + 1), 7 < m ¡Ü 10 = 4

51. ## algebra

Q(t) = 5, if 0 ¡Ü t ¡Ü 5 −t + 7 if 5 < t ¡Ü 8 t − 1 , if 8 < t ¡Ü 11 Q(m2 + 1), 7 < m ¡Ü 10 = 4

52. ## Math

An investment adviser invested \$14,000 in two accounts. One investment earned 4% annual simple interest, and the other investment earned 2.5% annual simple interest. The amount of interest earned for 1 year was \$458. How much was invested in each account?

53. ## Maths

A15- foot ladder is leaning against a 30- foot wall. The bottom end of the ladder is 9 feet from the wall. How many feet above the ground does the ladder touch the wall. Can someone please help me with this question

55. ## history

at the time the French controlled the middle part of North America the most important use of the Mississippi River and its tributaries was for a)fishing b)transportation c)natural boundary d)hydroelectric power e)irrigation i put b

56. ## History

1)what aspect of the government of the chartered companies would be considered democratic? a)the assignment of a gouvernment b)the right to fail or succeed c)the beaver aristocracy d)the representative body e)the monopoly on the fur trade i put d 2)which

57. ## algebra

If \$6,000 is placed in an account with an annual interest rate of 3%, how long will it take the amount to triple if the interest is compounded annually?

58. ## math

What does find the mean or average

59. ## Math

-k=287.658. I don't understand how to get the answer

60. ## Calculus

Given vectors u= (1,-1,3) and v= (-4,5,3) find an ordered triple that represents vectors 3u-2v. a.(16,1,-7) b.(11,-13,3) c.(10,-12,1) d.(7,-7,16) I don't want you to straight up give me the answer. I need someone to teach me how to solve this problem. I am

61. ## Chemistry

When chemists compare the rates of reactions carried out under different conditions, they often compare the rates near the beginning of the reactions. What advantage(s) do you see in this practice? Hint: Think of slow reactions. I know the rate of reaction

62. ## Psychology

How does self-concept affect perception?

63. ## health, safety, and nutrittion

the children in your class are working on an art project thar requires them to use a standard hair dryer to produce a particular effect. of the following locations, which one would be the safest place to put the hair dryer while the children are working on

64. ## Health, Safety, and Nutrition

1)Following the nutritional label on a jar of peanut butter, you determine that 1 ounce of the peanut butter contains 115 calories and 9 grams of fat. What percent of the calories come from fat. a)30 b)40 c)70 d)80 i put c

65. ## Math

It is a fraction that compares two quantaties measured in different units. ex:.(miles per hour)

66. ## early childhood education

which one of the following questions would be inappropriate to ask during an interview? (a)do you have children of your own (b)what do you like best about teaching young children (c)what is one science activity that would be appropriate for four year olds

67. ## early childhood education

You will be observed by the director at least once a month for the first three months of your employment. A conference will be scheduled at the end of that time to evaluate your performance. If performance has been satisfactory, the full contract will go

68. ## early childhood education

your budget allows you to purchase only one math software package for your children ages 5-8.Which one of the following packages would probably be best for this age group? (a) ages 4-7 (b) ages 6-9 (c) ages 7-9 (d) ages 6 and up

69. ## computers in day care

a method in which children must see and touch objects in order to learn about them is called

70. ## English

On the Road by Jack Kerouac "Besides, all my New York friends were in the negative, nightmare position of putting down society and giving their tired bookish or political or psychoanalytical reasons, but Dean just raced in society, eager for bread and

71. ## English

Is there a better word for 'morally wrong" and "sinful"? I have been using those two words once already and I don't want to sound repetitive. Sentence: It is sinful and morally wrong for women to have sexual desires in Afghanistan.

72. ## chemistry

Write a paragraph explaining how to determine how many hydrogen atoms are in 6.5g of water. No equations are permitted in this answer.

73. ## physics

a 5 kg box slides a 10m distance on ice. if the coefficient of kinetic friction is .20, what is the work done by the friction force?

74. ## Statistics

How large a smaple from a N(80,20) population is needed so that the sampling distribution of the mean has a standard deviation of 1?

75. ## vocab

Most stories have good and bad characters. which word would most likely describe the bad characters in most books? a) malnourished b)malodorous c) malignant d) malevolent

76. ## Science

Most organisms have a (n) _______________ of traits from both parents ?

77. ## Science

Most organisms have a (n) _______________ of traits from both parents ?

78. ## science

Most organisms have a(n) of traits from both parents. Mixture or Heredity

79. ## Education

what are some good, fun, kid like websites, that teach you how to spell words?

80. ## math

use spherical coordinates to evaluate the triple integral of (e^-(x^2+y^2+z^2))/(sqrt(x^2+y^2+z^2)dV where E is the region bounded by the spheres x^2+y^2+z^2=49 and x^2+y^2+z^2=81???

81. ## math

how do you find the volume of the solid that lies within the sphere x^2+y^2+z^2=9 above the xy plane, and outside the cone z=2*sqrt(x^2+y^2)??

82. ## math

how do you find the triple integral xy dV where E is the solid tetrahedron with vertices (0,0,0),(7,0,0),(0,1,0),(0,0,8)?

83. ## HIP 105 RESEARCH PROJECT

Could somebody give me a example of concluding paragraph??

84. ## HIT 105 RESEARCH PROJECT

I don't know what to put down for the concluding section. For my introductory, I put down - The Health Insurance Portability and Accountability Act of 1996(HIPPA). The congress mandated implementation of several federal privacy protections that allows

Does this sound right? The second band sounded so cacophonit? I need the sentence to include the word Cacophony.

86. ## Comp Lit.

Okay. One more question. >.< Now i need to use the word Antiphon in a sentence and i don't even know where to begin....

87. ## Psychology and "Monk" the tv show

What are Monk's actions and behaviors in the usanetwork tv show "Monk" and what disorder(s) are they a symptom of? Is the disorder accurately represented on "Monk"?

88. ## chemistry

identify the three states of matter and include the structual and property changes

89. ## mathematics

how can you do the lcm to somethimg like 12000 without having to do all of that mathematics just to make it quicker?

90. ## Creativity-- Question

Which phrase fosters creativity? 1. "There is no such thing as a purple cat." 2. "I'll show you how to do it." 3. "What is this a picture of?" 4. "You used lots of purple in your picture!" Would "You used lots of purple in your picture!" be correct? Of the

91. ## goegraphy

Are there any online Nystrom World Atlas. I forgot may book at school and can't do my work without it. Very few textbooks are online; the few that are require a username and password, usually provided by your teacher. Here's an example:

92. ## Science

Two objects with charges of +1.0 c and -1.0 c are separated by 1.0km. Find the magnitude of the force that either charge exerts on the other.

93. ## math

Dynacan Ltd. manufactured 10,000 units of product last year FC= 22,200,000,19,200,000,9,600,000,5,000,000 VC= 50,400,000,93,000,000,16,000,000,14,200,000 If unit variable costs and fixed costs remain unchanged, calculate the total cost to produce 9700

94. ## Calculus

1.(arrow above letter a pointing to the right) and (arrow above letter b pointing to the right) have the same direction, and they both have a magnitude of 6. What must be true about(arrow above letter a pointing to the right)and(arrow above letter b

1. ## Math

-3°

posted on April 24, 2020
2. ## Physics helpp

How do you know this?!

posted on March 17, 2020
3. ## Math

mucho gracias natasha

posted on April 15, 2019
4. ## Social Studies

its C

posted on April 11, 2019