# steve

1. ## Math

A biased coin lands heads with probabilty 2/3. The coin is tossed 3 times a) Given that there was at least one head in the three tosses, what is the probability that there were at least two heads? b) use your answer in a) to find the probability that there
2. ## math

prove that (n choose k) = (n-1 choose k-1) (n-1 choose k) a) By using formula of (n choose k) b) by breaking subsets of size k into two mutually exclusive classes, one class comprising all those subsets which contain a given element and the other all those
3. ## Math

prove (n choose k) = (n choose n-k)
4. ## Math

A biased coin lands heads with probabilty 2/3. The coin is tossed 3 times a) Given that there was at least one head in the three tosses, what is the probability that there were at least two heads? b) use your answer in a) to find the probability that there
5. ## Math

A biased coin lands heads with probabilty 2/3. The coin is tossed 3 times a) Given that there was at least one head in the three tosses, what is the probability that there were at least two heads? b) use your answer in a) to find the probability that there
6. ## math probability

Laura and Adrian attend a dinner party. The 12 guests are seated at random around a round table, with all seating arrangements equally likely. (a) What is the probability that Laura and Adrian sit next to each other. (b) Explain your answer by giving a
7. ## math probability

A cake is divided into 3 portions one for you, one for your friend and one for your neighbor. If you get twice as much as your friend, and your friend gets twice as much as your neighbor. What proportion of the cake do you get? Please Explain to me how to

Chevy and Judith are purchasing a townhouse and finance \$154,200 with a 30 year 5/3 ARM at 6.45% with a 4/13 cap structure what will their payments be at the beginning of the 6th year assuming they are charged maximum interest rate for that year? a. 907.11
9. ## math

Sally and Kate stand some distance away from a building which is 10m high. Sally measures the angle of elevation of the top of the building to be 35(degree). From Kate's position, the angle of elevation of the top of the building is 50(degree). If the
10. ## Algebra

Leith bought a homeowner's insurance policy when he purchased his new home. He pays an annual premium of \$775 for property coverage of \$250,000 and liability coverage of \$350,000. His deductible is \$1,300. Leith pays this premium for 11 years, at which

Which investment vehicle carries the least risk? A. Government bonds B. Large company stocks C. Small company stocks D. U.S. Treasury bills My answer is C
12. ## Science

Estuaries are often highly polluted bodies of water and can be used to measure the overall health of an ecosystem. Devise a logical argument for why estuaries become so polluted and provide at least 2 examples of the importance of estuaries. My answer: The

Max has just won some money on a game show! He has the option to take a lump sum payment of \$500,000 now or get paid an annuity of \$4,900 at the beginning of each month for the next 10 years. Assuming the growth rate of the economy is 2.9% compounding
14. ## algerba

A guy rope is attached to the top of a tent pole. The guy rope is pegged into the ground 7 feet from the tent. If the guy rope is 11 feet long, how long is the tent pole? Round to one decimal place as needed.
15. ## English

English help? Read these lines from Robert Browning’s “My Last Duchess.” “A heart – how shall I say? – too soon made glad,/Too easily impressed; she liked whate’er/She looked on, and her looks went everywhere.” How is the poem’s speaker
16. ## English

Read these lines from Alfred, Lord Tennyson's "The Lady of Shalott" "Willows whiten, aspens quiver, Little breezes dusk and shiver, Through the wave that runs forever, By the island in the river, Flowing down to Camelot" Toward whose home is the river
17. ## English

What does diffusive mean in the following? "But th0" I seem in star and flower/"To feel thee some diffusive power" a- scattering b- transforming c- understanding d- uniting My answer is A
18. ## English

What does temper mean in the following? "One equal temper of heroic hearts,/Made weak by time and fate, but strong in will" a- frame of mind b- plan for attack c- path to destiny d-degree of balance My answer is A
19. ## Physics

The index of refraction of water is 1.33. What would be the speed of a light wave passing through at this medium? 4 x 10^8 m/s 2.3 x 10^8 m/s 4.4 x 10^-9 m/s 2.6 x 10-^9 m/s
20. ## Physics

The index of refraction of water is 1.33. What would be the speed of a light wave passing through at this medium? 4 x 10^8 m/s 2.3 x 10^8 m/s 4.4 x 10^-9 m/s 2.6 x 10-^9 m/s

Charlene is on spring break in Mexico. She purchases a souvenir for 161 pesos, which she charges to her credit card. If the exchange rate that day is USD to MXN = 11.59, how much will her card be charged in U.S. dollars? a-\$149.41 b-\$7.20 c-\$172.59

Haru is a Japanese businessman in the United States for a conference. He spent \$223 on a rental car. If the exchange rate that day is USD to JPY = 80.79, approximately how much did Haru spend in Japanese yen? a- 18,016 b-27,603 c-180 d-3,623 My answer is A

Kenneth started saving for retirement at age 40 with a plan to retire at age 70. He invested an average of \$400 per month in various securities, with an average annual return of 7% adjusted for inflation. Assuming monthly compounding, how much has Kenneth
24. ## Math

Hi, just need some advice. Need to know if I divide to find my answer? So, would I divide 2/0.89? Pamela is shopping for bottled water at the supermarket. Which is the better buy? A. 1 2-liter bottle for \$0.89 B. 3 1-liter bottled for \$1.50

HELP! WHICH IS THE HIGHEST RISK INVESTMENT? List the following stocks and bonds in order from highest default risk to lowest default risk: A municipal bond in a city with a population of 150,000 A common stock in a company under federal investigation A
26. ## Pre-writing skills

Advertising. I know I have to write about advertising. What do I know about advertising? I know you have to market a product to a specific audience. Advertising is used to sell things like soft drinks or cars. I think I need to narrow down my choices of
27. ## Math

The first quarter of the championship game lasted 48 minutes. The second quarter lasted 52 minutes. There was a special presentation at halftime that lasted 25 minutes. The third quarter lasted 54 minutes and the fourth quarter lasted 49. If the game
28. ## physics - unowen

You posted a question about having two cannon balls strike the same target simultaneously, with a time delay between shots: https://www.jiskha.com/display.cgi?id=1520556373 I have had some time to think about it, and have come up with the following ideas.
29. ## maths limit of sequences

How to show working for limit of n to infinity [(n^10)/n!]? I know it should be 0 by order of hierarchy where n!>n^10 but I am not sure how to show working.

Kendra’s income put her in the top tax bracket (35%) last year. During the same year, she earned \$760 in dividends and \$490 in coupons on a corporate bond. Three years ago, she purchased a common stock for \$835. She sold the same stock last year for

What is the rate of return on a \$10,000 bond purchased at \$8,750 with a 10% coupon? The 10% coupon guarantees a return of \$1,000 on the nominal value of the bond, which is \$10,000. The bond's actual sale price was \$8,750, so the \$1,000 coupon must be

I bought 200 shares of stock in June of 1999 for \$8,562.00 and sold them in June of 2009 for \$11,582.00. What is my rate of return? My answer is 35.27%
33. ## Math

Needing some help with how to set up the problem please. Thank you. Rashida has 3 blouses: red, white, and pink. She has 2 skirts: blue and black. She has 2 pairs of shoes: red and white. What is the probability that Rashida selects an outfit at random

Ralph has been awarded some money in a settlement. He has the option to take a lump sum payment of \$425,000 or get paid an annuity of \$2,000 per month for the next 25 years. Which is the better deal for Ralph and by how much assuming the growth rate of

Juan has an annuity that pays him \$9400 at the beginning of each year. Assume the economy will grow at a rate of 3.4% annually. What is the value of the annuity if he received it now instead of over a period of 10 years?
36. ## Math

Alex's score for a game is given by the expression 9-8.2-(-1.9). Beth's score for the game is -8-(-5.4)-1.8. Whose score was higher?
37. ## American Government

Which of the following are required for a fair trial? the trial is speedy and public the defendant is afforded legal representation the judge issues a gag order to preserve the rights of the defendant. jury members are impartial and residents of the region
38. ## American Government

which of the following are examples of civil liberties? select all that apply. A) shooting a person in anger B) protesting on a busy street C) speeding in traffic D) not incriminating yourself in court E) serving in the army My answers are B & D
39. ## Algebra

Gayle starts to save at age 20 for an extended vacation around the world that she will take on her 45th birthday. She will contribute \$1000 each year to the account, which earns 1.65% annual interest, compounded quarterly. What is the future value of this
40. ## MATHS

A MAP HAS A SCALE OF 1 CM = 5 KM On a map, a forest is shown as a rectangle measuring 2 cm by 1.5 cm what is the real area of the forest
41. ## Math

Need a little help. I was asked to find perimeter of a rectangle, which I did and got an answer of 66. Now I have to convert it to feet. That's where I'm stuck. What is the perimeter of the actual patio in feet? 2 cm=1ft P=2(12+21)=66cm
42. ## Math

Need help working this problem out, any assistance is appreciated. A dance studio measures 150 feet by 120 feet. A scale drawing of the dance studio floor measures 10 units by 8 units. What scale was used to create the scale drawing? A) 1 unit: 8 feet B) 1
43. ## Science

Which of these animals is on the Endangered Species List? A. deer B. blue jay C. holstein cow D. Florida panther My answer is D
44. ## Science

Governments don't always enforce the environmental laws because: A. they don't believe in them B. they are too busy C. they don't have enough money to enforce all the laws D. they expect the public to enforce laws My answer is C
45. ## Science

1. __________ is an environmental group that works to create awareness of pollution. A. The IRA B. Greenpeace C. Congress D. The FDA My answer is D
46. ## Math

Flint is purchasing a home for \$115,750 and is financing 85% of it. The documentary stamp tax on the deed in his state is \$0.70 per \$100 portion thereof. How much will he pay for the documentary stamp tax? a.\$1405.54 b.\$1653.57 c.688.71 d.810.25 My answer
47. ## Math

Becca is financing a house for \$125,250. She has to pay \$425 plus 1.25% for a brokerage fee. How much are the mortgage brokerage fees? \$1,990.63 \$3,556.25 \$581.56 \$1,565.63 My answer is a
48. ## English

Which of these does William Wordsworth celebrate in "I Wandered Lonely as a Cloud? Nature aloneness the death of reason human companionship My answer is nature
49. ## English

Which excerpt from Robert Burns’s “To a Mouse” best conveys understanding and forgiveness? “…An’ weary winter comin’ fast,/An cozie here, beneath the blast…”

Joanne and Bill are financing \$305,500 to purchase a house. They obtained a 20/6 balloon mortgage at 5.75%. What will their balloon payment be? \$206,311.68 \$401,524.25 \$152,285.77 \$249,295.69 My answer is the 4th one.
51. ## American Government

Why was it a problem that Congress did not have the power to tax under the Articles of Confederation? a. Congress wanted to provide more services, but it could not afford to without taxes. b. Congress could not regulate trade between the states. c.

Question: Which recursive equation represents the pattern? 1 answer below » n an 1 1 2 6 3 12 4 19 Which recursive equation represents the pattern? an = an – 1 + 3n + 1 an = an – 1 + 3(n + 1) an = an – 1 + (n+3) an = an – 1 + (n-3) My answer is
53. ## Chem Help

For the reaction, XBr2(g) X(g) + Br2(g), if a container is charged to an initial concentration, [XBr2] = 2.00 mol/L and the system allowed to react and come to equilibrium, if Kc = 4.0 x 10-8, what is the concentration of X(g) at equilibrium? This is what
54. ## Chem Help

What is the Ksp of PbCl2 if, in a saturated solution of this salt, [Cl-(aq)] = 0.032 mol/L ?
55. ## English

Which of these lines from The Canterbury Tales’ “Prologue” best exemplifies a Franklin? “He was a model among landed gentry.” “As Sheriff he checked audit, every entry.” “There was no such conveyancer as he…” “He lived for pleasure
56. ## English

Which of these excerpts from Beowulf best describes what Beowulf expects the outcome of his battle with the dragon to be? A. thought nothing/ of the bests claws, or wings, or flaming/ Jaws B. soon/ Would leave this brief life, but would take the
57. ## English

Which of these excerpts from Beowulf best describes Beowulf reason for attacking grendels mother? A- "whispered together/ and said that hope was gone, that the hero/had lost" B- and holy/god, who sent him victory, gave judgment/for truth and right" C "so
58. ## Economics

To what category do a person's earnings, the dollar value of a good or service, the value of a property and the value of a company's profits belong too? My answer is tax base
59. ## Economics

How can competition in a scarce labor market affect wages? Wages will go down because productivity is lower. Wages will remain level because firms want to keep existing workers. Wages will go up to attract workers to a firm and to keep existing workers.
60. ## Economics

which of the following changes in trade would produce the greatest increase in gdp? increase exportsm& increase imports increase exports & decrease imports decrease exports & increase imports decrease exports & decrease imports my answer is the 2nd one

APR 18.7% compounded monthly Grace Period 30 days Minimum Payment 3.5% of the remaining balance or \$30, whichever is higher Pamela charged \$925 to her credit card last month. What is the first minimum payment she must make? \$92.50 \$172.98 \$32.38 \$30.00 My

James owes \$6,927 on a credit card with a 19.5% interest rate. What is the monthly payment he should make to pay off this debt in 12 months, assuming he does not charge any more purchases with the card? a-\$1531.34 b- \$577.25 c-\$124.82 d- \$640.02 My answer

The table summarizes the credit card debt Michael currently holds. Use this table to answer the question that follows. Credit Card Balance APR Minimum Payment Total Interest Paid Number of Months to Pay off Home Improvement Card \$2,500 23.4% \$100 \$2,095
64. ## English

"Know now then thyself, presume not God to scan;/The proper study of mankind is man." Which of these is nearest in meaning to the word presume, as it is used in the passage above? - hasten - invent - cease - attempt My answer is hasten but I thought about
65. ## English

"The number of souls in Ireland being usually reckoned one million and a half, of these I calculate there may be about two hundred thousand couples whose wives are breeders, from which number I subtract thirty thousand couples, who are able to maintain
66. ## English

Read this excerpt from Alexander Pope's The Rape of Lock "No common weapons in their hands are found/ Like gods they fight l, nor dead a mortal wound.../ See, fierce Belinda on the Baron flies/ With more than usual lightning in her eyes..." This account of
67. ## math

a particular antibiotic is eliminated from the blood at a rate of 1.5% per hour. What is the half-life time of the drug?
68. ## English

Which of these excerpts from Ben Jonson's "Song: To Celia" compares love to intoxication? A. "But thou thereon didst only breathe/And sent'st it back to me." B. "... As giving it a hope, that there/It could not withered be." C. "The thirst that from a soul
69. ## English

Which line best states the theme of John Donne's Holy Sonnet 10? A. "and soonest our best men with thee do go" B. "Death be not proud, though some have called me" C. "Death be not proud, though some have called thee..." D. ".. And doest with poison, war,
70. ## English

"Our two souls, therefore, which are one/ though I must go, endure not yet/A breach, but an expansion, Like gold to airy thinness beat." Donne is using irony to trivialize the love between him and his wife. Donne is using conceit to describe the love
71. ## English

In which excerpt from John Donne's A Valediction forbidding mourning does the speaker most directly describe the relationship between him and his wife? a. but we by love so much refind/that ourselves know not what it is b. so let us melt and make no noise/
72. ## English

I love to hear her speak, yet well I know That music hath a far more pleasing sound; I grant I never saw a goddess go; My mistress, when she walks, treads on the ground: And yet, by heaven, I think my love as rare As any she belied with false compare. I
73. ## English

Thousands at His bidding speed And post o'er land and ocean without rest: They also serve who only stand and wait." God sends angels to whisper His will into people's ears. A person who does not dream of greatness cannot have faith in God. A person does
74. ## English

Read these lines, from The Nymph's Reply to the Shepherd. "But could youth last and love still breed,/Had joys no date, nor age no need,/Then these delights my mind might move/To live with thee and be thy love." According to her words here, under what
75. ## English

".. so this bell calls all; but how much more me, who am brought so near the door by this sickness." Which of these is the best interpretation of this phrase from John Donne's Meditation 17? A. The tolling bell is a metaphor for Heaven. B. The tolling bell
76. ## Math

Use a graphing calculator to solve the equation -3cost=1 in the interval from.0
77. ## Math

Trisha uses her credit card to pay for new tires that ended up totaling \$527.89. She can pay off up to \$200 a month. The card has an annual rate of 22.5%. How much will she pay in interest? 22.5% / 12 = 0.01875 interest per month 1st month 527.89 x 0.01875
78. ## Math

Brooklyn opened a store credit card to purchase a sofa for \$849. She put the entire purchase on the credit card. Her APR is 19.99% and the minimum payment is 5%. Assuming she makes only minimum payments, what is the remaining balance on her card after 3
79. ## Math

Tabitha opens a credit card in which the minimum payment is 13%. Her current balance is \$1,450, not including the finance charge, and the APR is 14.5%. Assuming she makes a payment of \$500 this month, how much will the minimum monthly payment be for the
80. ## Math

Explain which companies would advertise APR over APY and describe how this would help them attract customers.
81. ## Math

Katherine uses her credit card to purchase a new television for \$709.15. She can pay off up to \$350 per month. The card has an annual rate of 25.7% compounded monthly. How much will she pay in interest?
82. ## english

Identify the sentence that is correctly punctuated. a. Our goal is simple: we aim to be the best in the industry. b. Our goal is simple, we aim to be the best in the industry. c. Our goal is simple—we aim to be the best in the industry. d. Our goal is
83. ## english

. Identify the correct sentence. a. 3 CEOs will meet at the Regency Hotel tomorrow to discuss the possible merging of companies. b. Three CEOS will meet at the Regency hotel tomorrow to discuss the possible merging of companies. c. Three CEO’s will meet

85. ## english

Identify the sentence that is correctly punctuated. a. We stopped at several places during our drive up the East Coast: Savannah, Georgia, Charleston, South Carolina, Trenton, New Jersey, and Allentown, Pennsylvania. b. We stopped at several places during
86. ## english

Identify the sentence that is punctuated correctly. a. She wore an unusual, attractive dress. b. She wore an unusual, and attractive dress. c. She wore an unusual attractive dress.
87. ## english

. Identify the sentence that is punctuated correctly. a. “Come back here”! screamed the boy’s mother as he ran into the street. b. “Come back here!” screamed the boy’s mother. As he ran into the street. c. “Come back here” screamed the
88. ## english

Identify the correct sentence. a. Daniel’s science class starts at 7:30 am in the morning. b. Daniel’s science class starts at 7:30 a.m. c. Daniel’s Science class starts at 7:30 in the morning.
89. ## english

Identify the sentence that is correctly punctuated. a. Our goal is simple: we aim to be the best in the industry. b. Our goal is simple, we aim to be the best in the industry. c. Our goal is simple—we aim to be the best in the industry. d. Our goal is
90. ## english

Identify the sentence that is punctuated correctly. a. Boston, Massachusetts played an important role in American history and politics. b. Boston, Massachusetts played an important role, in American history and politics. c. Boston, Massachusetts, played an
91. ## english

Nobody on the Tri Rail seems to know ________ way around Miami. A) their B) his C) there D) his or her
92. ## english

. Choose the correct sentence. a. Us kids are to blame for the mess in the kitchen. b. Don’t talk to we teenagers about curfews. c. Cheryl, Doug, and myself went to the beach on Independence Day. d. He corrected himself immediately. e. The manager and
93. ## english

Choose the correct sentence. a. Him and I went through a lot together. b. My boss asked my coworker and I to stay late. c. Jennifer stormed out of the house and slammed the door because she and her mother got into an argument. d. Who should I send this
94. ## english

Carolyn was thrilled when she found out her new employer offers two ________ vacation time. a. week’s b. weeks c. weeks’ d. week
95. ## english

Mr. ________ profit-and-loss report is due tomorrow. a. Jones’s b. Jones’ c. Joneses’ d. Jones
96. ## english

. Identify the sentence that is correctly punctuated. a. Word Processing and Excel: those are the technology job requirements. b. Word Processing, PowerPoint, and Excel, those are the technology job requirements. c. Word Processing and Excel; those are the