# Toni

Popular questions and responses by Toni
1. ## physics

2 waves are traveling through a container of nitrogen gas. Amplitude of the first wave is 0.3 cm, and the second 0.9 cm. What is true about the two waves? a. the energy of thee first wave is less than the second b. energy of the first wave is greater c.

2. ## general biologt

Water freezes in the crack in this boulder and expands. Over time pieces of the boulder will break off. What type of wathering effects is this an example of? a. wedging b. hydration c. carbonation d. reduced pressure

3. ## PHYSICS

Hans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih modification would make it easier for Hans to get in his house? a. increase the length of the ramp b. increase the friction

4. ## Chemistry

what type of reaction is AgF + CaCl2 --> AgCL + CaF2 ?

5. ## AP Chemistry

Water is being electrolysed in the presence of a non-reactive electrolyte under standard conditions. If 2.5 amperes of current flows through the circuit for 13.6 minutes at 25 degrees celsius and 1 atmosphere, what volume of hydrogen gas is produced?

6. ## physics

Hans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih modification would make it easier for Hans to get in his house? a. increase the length of the ramp b. increase the friction

7. ## Math

A picture 3 feet across is hung in the center of a wall that that is 19 feet wide. How many feet from the end of the wall is the nearest edge of the picture.

8. ## physical science

A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?

9. ## Physics

An astronaut jumps on the moon with an initial upward velocity of 4.35m/s. If the acceleration of gravity on the moon is -1.62m/s^2, what is the max height of the astronaut?

10. ## math

Suppose you invest \$2500 at an annual interest rate of 3% compounded continuously. How much will you have in the account after 7 years? Round the solution to the nearest dollar

11. ## algebra

Snowfall Suppose 5 inches of snow fall before noon and 2 inches per hour fall thereafter until 10 P.M. (a) Write a formula that calculates the snowfall S in inches, x hours past noon. (b) Use your formula to calculate the total snowfall at 8 P.M. (c) How

12. ## Social Psychology

Describe the reciprocal relationship between behavior and attitudes?

Ned divided a given number by 3 and then added 2. If he should have multiplied the number by 3 and then subtracted 2, which of the following two steps can he do next to get the correct answer? Subtract 4 and then multiply by 9. Subtract 12 and then

14. ## Introductory Chemistry

A sample of 0.255 mole of gas has a volume of 748 mL at 28C. Calculate the pressure of this gas.

15. ## physics

Ball 2, with a mass of 30kg, is moving to the left at 10m/s. With what velocity should Ball 1, with a mass of 10kg, move to the right and collide with Ball 2, so that Ball 1 rebounds with a velocity of 30m/s, and Ball 2 with a velocity of 10 m/s, after the

16. ## Physical Science 2

The attraction or pull of a person's body toward the earth, by the earth is called weight. The reaction to this force is the: My answer is B A. earth's surface pushing against the person's body B. person's body pulling on the earth C. person's body pushing

17. ## Social studies

4. Why were the Dutch and the French such fierce enemies in North America? (1 point) They both wanted control of the Mississippi River. They both wanted to settle the same area. They both wanted to dominate the fur trade. •• They were fighting a war

18. ## Social studies

what was common in new england but not in other colonies? Dame schools Apprenticeships •• Private schools Free public schools

19. ## maths

The first term of a g.p is twice it's common ratio, find the sum of the first two term of the progression, if it's sum to infinity is 8

20. ## world geography

Which of the following is accurate? a. No one knows what caused the decline of the Minoan civilization. c. Greece is at the crossroads of eastern and western culture. b. Greece is made up of mainland and a cluster of islands. d. All of the above

21. ## science

When a switch is turned from the off to the on position, it is changing the circuit in which of the following ways?

22. ## English 101

I need help starting my english paper Draft a 7-9 page paper that compares and contrasts how the topic or theme you chose from the book was treated (or mistreated) in the film, and weigh in on what affect that has on the viewer as opposed to the reader.

23. ## math

an aquarium holding african cichlids is 2 inches higher than it is wide. Its length is 29 inches and its volumne is 3480 cubic inches. what is the height and width inches.

HR is the role I chose! What is the role of this department? What types of information does the department need? How does the department use that information?

If you were a business consultant hired to assist a company outline a strategy for going global, what country would you suggest they venture into, what three types of advice would you offer and why?

26. ## American Literature

I am doing a paper on The Minority Experience - American Indian Studies. My question would be how far back can any of this information acutually be documented? My professore replied this is fine as long as I make my focus a literay one. He suggest using

27. ## Math

Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first \$50 of her medical bills, plus 30% of the rest. Under plan B, Giselle would pay the first \$90, but only 25% of the rest. For what amount of medical bills will plan

28. ## Algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12

29. ## Physical Science

A 75 kg astronaut in space pushes against a 200 kg anvil. When the astronaut lets go of the anvil while pushing it: My answer is D (Just checking my work) A. both astronaut and anvil accelerate in opposite directions at the same rate B. neither the

30. ## Music Theory

Explain to me how to get information on the computer about higher pair notes

31. ## math

A college student invested part of a \$25,000 inheritance at 7% interest and the rest at 6%. If his annual interest is \$1,671 how much did he invest at 6%? If I told you the answer is \$8,000, in your own words, using complete sentences, explain how you

32. ## Economics

When comparing firms within a industry, economists often use the productivity as a measure. Discuss the differences and properties of various productivity measures such as average productivity, marginal productivity, and etc. Give some real-world examples

33. ## Math

What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance in which a linear equation is not a function? Support your answer. Create an equation of a

34. ## economics

what determines the price and the quantity produced of most goods?

What is a predicate? What is the subject & predicate of the following sentence? Mom parked the car.

36. ## Simplfing Fractions

Three problems I need to know if I am correct or not if not I will place how I got the answer and maybe some one can show me where I messing up aT Simplify 1+2/3 over top 2+1/2 My answer was 2/3 to me it does not seem right If I am wrong please let me know

37. ## Gen. Chemistry lab

Trying to find mass percent of acetic acid in 25 drops of .683M NaOH solution are required to neutralize 10 drops of cleaning vinegar. Assume that the density of the cleaning vinegar is the same as the density of regular vinegar which is 1.05 g ml-1 You

38. ## Math

A runner tries to keep a consistent stride length in a marathon. But, the length will change during the race. A runner has a stride length of 5 feet for the first half of the race and a stride length of 4.5 feet for the second half. 1.)A marathon is 26

39. ## Economic

A new technology reduces the time it takes t9 make a pair of khaki pants

40. ## Math

Sharon had 3/4 cubic yard of mulch. She used 2/3 cubic yard of mulch in her garden. How much(how many cubic yards) mulch did she have left?

41. ## Math

Sharon had 3/4 cubic yard of mulch in her garden. How much(how many cubic yards) mulch did she have left?

42. ## Math

Mandi had 3/4 pound of chocolate. She ate 2/3 of her chocolate. How much did she have left? Use diagram to solve.

43. ## Social Studies

Why is farming not a viable economic option for all areas of southern and Eastern Africa? 1- there is a lack of land 2- there is a lack of sunlight 3- there is a lack of rainfall 4- there is a lack of people to farm the land

44. ## Social studies

The colony Lord Baltimore established in Maryland encouraged Land grants for every settler A role for colonists in government Religious freedom for Roman Catholic •• The settlement of wealthy people In the Massachusetts bay colony the right to vote was

45. ## Social studies

One reason why the spanish easily conquer the americas was the aztecs and incas lacked? Wealth and power •• Loyalty to their leaders The will to fight to the death Resistance to European diseases

46. ## Art

As you try to answer the following question think about this question What does the expression of an angry superhero mean? Which of the following steps of art critique are you conducting for this type of question? describe analyze •• present interpret

47. ## algebra

What is, x+3y=1 -3×-3y=15 Can you show me the steps, confused?

48. ## Algebra

5/9 multiplied by (1/8+1/2) multiplied by 72/5=

49. ## Percents (Math)

Need help, please. What percent of 30 is 2 1/2?

50. ## Math

If m ≥ n > 1, what is the largest possible value of log base m (m/n) + log base n (n/m)?

51. ## math

Berkley has 10 pieces of ribbon that are 2 yards each. She uses 8 pieces that are each 3 feet long.

52. ## english (antonyms)

what is the antonym answer to the puzzle.. -nncntglty -gvtk -nt -ftthn THANKKK YOUUU :)

53. ## Math

Show each step to show how to verify the identity. cos(x + y) + cos(x - y) = 2 cos x cos y

54. ## Science Help

Drew is walking back up the best hill in the neighborhood 24* grade. He's pulling on the empty 2.1kg sled with a force of 18N at an angle of 55* with the hill. He's walking with a constant velocity, what is the coefficient of friction?

55. ## College Algebra

Find all the zeros of the polynomial function by using the Rational Zero Theorem, Descartes Rule of Signs and Synthetic Division. f(x)=x^3-3x^2-33x+35

56. ## AP chemistry

How do you balance ZnCO3 +O2 yields ZnO + CO2?

57. ## Math Questions

1.) What is the inverse of the relation (3, -1), (2. 5), (-4, -4)? 2.) What is the inverse of the relation (1, -3), (3, 5), (6, -2)?

58. ## History

Why did Abderraman III have to deal with various military commanders?

59. ## history

What's the difference between an Emir and a Caliph?

60. ## chemistry

If the mass of copper wire used in your reaction was only 0.012 grams, but the amount of silver nitrate used was unchanged, then how many grams of silver metal could be produced?

61. ## math

a basic cellular phone plan costs \$18 per month for 50 calling minutes. Additional time costs \$0.30 per minute. The formula C = 18+0.30 (x-50) gives the monthly cost for this plan for calling minutes, where x > 50. How many calling minutes are possible for

62. ## Algebra

solve: Ln(x+2)-Ln(4x+3)=Ln(1/x) I think this is a Log of Quotient

63. ## Cedar Grove middle

3÷1/2 in the simplest form have to check work

65. ## algebra

how do i solve this find the root 3x^2 +21x=0 is the root 7

66. ## algebra

help me please im confused Consider the quadratic expression X^2 + 4x + c = 0. For what range of values does the equation have two complex roots? what am i doing here can someone show me step by step so i can at least try to do the other problems i have

67. ## algebra

Im lost i don't know how to do this can someone show me step by step how to solve this For what value of c does the equation have one real root? Hint using the values of a and b found in the equation, solve D = 0 for c. Consider the quadratic expression

68. ## algebra

Im lost i don't know how to do this can someone show me step by step how to solve this For what value does c does the equation have one real root? Hint using the values of a and b found in the equation, solve D = 0 for c. Consider the quadratic expression

69. ## Chem

calculate the temperature change that occurs when 229 cal of heat are added to 22g of water

70. ## eng091

revise thesis statement Thesis sentence: When I order the liquors for my business I believe it is a useless expense of using the online service, because I have to order certain quantities from the liquor commission, but when parties are given for our

71. ## Mathematics

using the compound interest formula find the principal that will yield a compound interest of n\$410 in 2 years at therate of 5 % per annum

72. ## Mathematics

the perimeter of a rectangular field is 140m. If the length is increased by 15m and the breadth is decreased by 5m, the length will become 3 time the breadth. find the length and breadth of the field.

73. ## elementary stats

A binomial random variable is based on n = 28 and p = 0.7. Find x2P(x). (Give your answer correct to two decimal places.) 1

74. ## math

Can you show me how to solve this using logarithims? thank you 3e^-3x = 10.21 for x.

75. ## math

phone call cost 1.75 per minute. Additional minutes are 0.50. How many many can I talk for 8.75

76. ## social studies

describe two ways the federal bureaucracy helps to shape laws by congress

77. ## physics

A 47.8-g golf ball is driven from the tee with an initial speed of 53.6 m/s and rises to a height of 32.6 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.24 m below its

78. ## physics

A 47.8-g golf ball is driven from the tee with an initial speed of 53.6 m/s and rises to a height of 32.6 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.24 m below its

HR is the role I chose! What is the role of this department? What types of information does the department need? How does the department use that information?

80. ## Math

From experience, the manager of Kramer's Book Mart knows that 30% of the people who are browsing in the store will make a purchase. What is the probability that among ten people who are browsing in the store at least seven will make a purchase?(round

81. ## Finite Math

A biology quiz consists of 10 multiple -choice questions. 7 must be answered correctly to receive a passing grade. If each question has 4 possible answers, of which only one is correct, what is the probability that a student who guesses at random on each

If 1,790 Mega Watts of power, out of the 3,000 Mega Watts generated by a power utility, reach the destination, what percentage of the generated power reaches its destination? 1,790 - 3,000 = 1,210 1,790 divided by 1,210 = 1.4 Answer 1.4% Unsure

John who is an amateur golfer spends 3 hours every day practicing golf. What percentage of his waking hours does John spend practicing golf if he sleeps 9 hours a day? 24-9=15 3/15= 0.2% Answer I am unsure if the steps are right

84. ## pre algebra

11 - 8 ÷ (1/3 + 1/5) Please show work I am stuck. Thank you

85. ## pre algebra

7x 11 – 42 evaluate show its done please my answer I got is 35

86. ## math plase check

What number would be used to represent a temperature of 7- degrees below zero. I think its is -.70 please check

87. ## math/algebra

I’m working at this restaurant making \$30,000 a year. Another restaurant really wants to have me manage their restaurant they are offering to pay me 2 ¾ times more then I make now. How much would I be making? show this is done please

88. ## math

Find 4.84 * 39 + 61 * 4.84 show work please

89. ## Math

Shipwrecked marines wrote this message in the sand, knowing that their searchers would be able to decode it. What does it mean? 64 25 144 256

90. ## srac

do you give grants to 17 year olds through hhs human service

91. ## math

the perimeter of a triangle is 54 centimeters. the longest side is 6 centimeters less than the sum of the other two sides. Twice the shortest side is 10 centimeters less than the longest side. Find the lengths of each side of the tirangle

92. ## Algebra

A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephone is given by C=.25(t-600)+50.95, wher it is assumed that t is greater than or equal to 600 minutes. What times will keep costs between \$95.45 and \$135.45?

93. ## algebra

Explain how many miles does it takes to get from home to work, with "distance Formulas?'

94. ## psychology

4. Explore two roles that can be acquired during early and middle adulthood, such as through parenthood, romantic relationships, and career. How have these roles changed through the past generations?

95. ## science

The specific heat of solid gold is 0.13J/gC.How much heat is needed to raise the temperature of 25.0g of gold from 23C to its melting point at 1063C

96. ## Algebra

Solve by factoring: 10t^2 – t − 2 = 0

97. ## Algebra

Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero. (3y(2/3))^-3

98. ## Algebra

Use polynomial long division to divide 12x3 – 9x2 + 13x + 4 by 3x2 – 3x + 4

99. ## ethnics

Identify leaders of the Civil Rights and Black Power movements and their contributions to their respective causes. How did these social pioneers forge the way for this important ratification? What legislation was relevant during these critical times?