Susan

Most popular questions and responses by Susan
1. maths

Which angle between 0° and 360° has the same cosine as the angle 58°? give your answer as an integer. how do i do this please?

2. math

The overall probability of a student failing an exam is 40%. Calculate the probability that in a group of 6 students, at least 4 passed the exam.

3. Physics

Suppose that you have a spring gun that you use to launch a small metal ball. You try the first two settings of the gun. The first setting compresses the spring by 1 cm and fires the ball a distance of 0.25 m . The second setting compresses the spring by 2

4. math 213

The amount of money in cents in a jar containing some nickels and d dimes and some quarters if there are 4 times as many nickels as dimes and twice as many quarters as nickels

5. Physics

A daredevil decides to jump a canyon of width 10 m. To do so, he drives a motorcycle up an incline sloped at an angle of 15 degrees. What minimum speed must he have in order to clear the canyon?

6. Chemistry

A 0.60 g sample consisting of only CaC2O4 & MgC2O4 is heated at 5000C, converting the two salts of CaCO3 and MgCO3 . The sample then weighs 0.465 g. If the sample had been heated to 9000C, where the products are CaO & MgO, what would the mixtures of oxides

7. Can anyone help with this paragraph??? english

Rewrite the following paragraph. Add colons and semicolons where needed. Note that a spelling/grammar-checker does not always catch these errors. One of the most exciting experiences in my life was traveling to Uruguay in South America in June of 2005,

8. physics

A man leans over the edge of a cliff and throws a rock upward at 4.9 m/s. Neglecting air resistance, two seconds later the rock's speed is what?

9. english language

what is the sound word for bow and arrow? eg. Nobody heard the ____ of the bow or the ____ of the arrow.

10. earth science

if you didn't know these cities were all cities of the United States, how could you tell from the temperature curves that they were all in the Northern Hemisphere?

11. English

(2) Revise the following groups of sentences. Combine each group of sentences into a single cohesive sentence. • Plato was born around 428 B.C. His family was part of the Roman aristocracy. Many of his family members were active in politics. But Plato

12. plz check on math 6th grade

The wheel of a unicycle has a radius of 14 inches how many minutes many rotations does it take for a will to travel 440 inches A.3 B.5*** C.8 D.10

13. Chemistry

Write a word and balanced chemical equation for a burning candle. I know that the paraffin in the candle has the formula C20H42 , but I don't know what else to do...

14. social studies

What is the order in which the caste system has changed in India? Place the first development at the top and the most recent developments at the bottom. 1. Castes are rigid and inflexible; people are born into a caste and cannot leave it. 2. Discrimination

15. Chemistry

A metal M forms the sulphate M2(SO4)3 . A 0.596 gram sample of the sulphate reacts with excess BaCl2 to give 1.220 g BaSO4. What is the atomic weight of M? (Atomic weights : S = 32, Ba = 137.3)

16. calculus

The strength of a rectangular beam is proportional to width*depth^2. What are the dimensions of the strongest rectangular beam that can be cut out of a 12 inch diameter log?

17. English

Identify the correct sentence. A. The music sounds beautifully. B. Run quick; otherwise, you will miss the bus. C. I surely wish you would go. D. The boss is more happier today. B

18. English

Identify the sentence that is punctuated correctly. A. Here is our check, Mr. Vons, for $7.35. B. Here is our check Mr. Vons, for$7.35. C. Here is our check, Mr. Vons for $7.35. D. Here is our check Mr. Vons for$7.35. c

Samantha is making some floral arrangements. The table shows the prices for one-half dozen of each type of flower. Price for 1/2 dozen flowers rose : $5.29 Carnation :$3.59 Tulip $4.79 part A: Samantha wants to buy 6 roses, 4 carnations, and 8 tulips. asked on March 1, 2016 20. English Identify the incorrect sentence. A. Each knife and fork have been cleaned and put away. B. Each knife and fork has been cleaned and put away. C. Some of the girl's teeth are chipped. D. None of the material is missing. A asked on May 13, 2014 21. algebra A custom tshirt company charges a 200.00 set up fee and 5.00 per tshirt. Approximately how many tshirts must be produced so that the total cost per tshirt is 5.33? asked on May 2, 2017 22. Prob and Stats To estimate the mean height population of male students on your campus, you will measure and SRS of students. Heights of people the same sex and similiar ages are close to normal. You know from government data that the standard deviation of the heights of asked on October 12, 2010 23. Finance Determine the present value if$5,000 is received in the future(ie. at the end of each indicated time period) in each of the following situations. 5% for 10 years, 7% for 7 years and 9 % for 4 years

How many 1/6s are in 1? How many 1/6s are in 1/2 ?

25. English

Identify the correct sentence. A. The new air conditioner works quieter. B. This engine runs smoother. C. He speaks more distinct than she does. D. I feel bad that I didn't call you earlier. A

26. physics

A 5 000-N weight is held suspended in equilibrium by two cables. Cable 1 applies a horizontal force to the right of the object and has a tension, T1. Cable 2 applies a force upward and to the left at an angle of 37.0° to the negative x axis and has a

27. english

In what mood (or case) are the following sentences? 82. Zach wishes that he didn’t live in a small apartment. A: indicative mood B: imperative mood C: subjunctive mood D: none of the above 83. He uses headphones when he practices at home. A: indicative

28. Chemistry

Duralin is an alloy of aluminium containing 4.5% manganese, 3.5% copper, and 0.45% magnesium. How much magnesium is present in a 32 g sample of this alloy? Answer in units of mol

29. math

use counters to model problems.1.Oliver has one juice box.Lucy has one fewer juice box than Oliver.How many juice boxes does Lucy have? Write the number. answer 1/2?

30. English

Identify the INCORRECT sentence. A. I hope you'll treat him fair. B. I can't find it anywhere. C. She speaks logically. D. He appears calm. A

31. Chemistry

Nitric acid can be produced from NH3 in three steps process: I)4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) II)2NO(g) + O2(g) → 2NO2(g) III)3NO2(g) + H2O(l) →2HNO3(aq) + NO(g) % yield of Ist, IInd & IIIrd are respectively 50 % , 60 % & 80 % respectively the

32. English

Identify the correct sentence. A. Large corporations and small businesses today believe that "going green" is of paramount importance. B. Large corporations along with small businesses today believes that "going green" is of paramount importance. C. Large

33. English

Identify the correct sentence. A. Carla went to work at 248 Prospect Ave in Brooklyn, NY. B. Carla went to work at 248 Prospect Avenue in Brooklyn, NY. C. Carla went to work at 248 Prospect Avenue in Brooklyn, New York. D. Carla went to work at 248

34. English

Nureyev danced __________ than the others in the ballet troupe. A. more gracefully B. more gracefuller C. gracefuller D. more graceful A

35. physic

Two spherical balls are placed so their centers are 2.6 m apart. The force between the two balls is 2.75 x 10-12 N. What is the mass of each ball if one ball is twice the mass of the other ball?

36. Chemistry

1 mole of equimolar mixture of ferric oxalate and ferrous oxalate will require xmole of KMnO4 in acidic medium for complete oxidation, x isis: a) 0.5 mole b) 0.9 mole c) 1.2 mole d) 4.5 mole

37. English

Since Sandra had her car repaired, it runs __________ than it did before. A. more smoother B. smooth C. more smoothly D. more smooth C

38. math

Find three mixed numbers so that the sum is 18 and the difference between the greatest number and the least number is 5 1/5.

39. English

Identify the sentence that is punctuated correctly. A. She is wearing a new yellow dress, and looks clean and neat. B. The Kingdom of Bahrain has a settled well-educated population. C. He thinks that an apple a day keeps the doctor away. D. Working 9-5

40. English

There __________ some men waiting for help, but the reason for their difficulties __________ unclear. A. is; seems B. is; seem C. are; seems D. are; seem C

41. math

A plane P cuts a sphere O in a circle that has a diameter of 20. If the diameter of the sphere is 30 how far is the plane from O?

42. 3rd grade math (not algebra!)

There are 18 bikes in a bike rack. There are 4 more blue bikes than yellow bikes and 2 less yellow bikes than green bikes. How many bikes of each color are in the rack?

43. physics

A 10 ohms resistor has a constant current. If 1200C of charge flow through it in 4 minutes what is the value of the current? A) 3.0 A B) 5.0 A C) 11 A D) 15 A E) 20 A ok I used the I=Q/t, 1200C/240s to get 5A which is an answer. You said I was right but

44. English

A __________ is always placed after a closing quotation mark. A. semicolon or comma B. semicolon or colon C. period or question mark D. period or comma D

45. English

tion 18 of 40 2.5 Points Identify the correct sentence. A. On the table is some paper and a pencil. B. Beside the stereo is a stack of CDs. C. Beside the stereo are a stack of CDs. D. On the table are some paper as well as a pencil. B

46. English

dentify the correct sentence. A. One of the kittens are smaller than the others; of course, most people fall in love with the runt of the litter. B. One of the kittens is smaller than the others; of course, most people falls in love with the runt of the

47. English

A __________ is always placed after a closing quotation mark. A. semicolon or comma B. semicolon or colon C. period or question mark D. period or comma C

48. English

Identify the sentence that is punctuated correctly. A. These products may not seem as exciting as they did in the past but maybe that's the time to do a little buying. B. Prior to Webster's complete two-volume edition he had compiled three shorter and

49. English

When addresses appear within the text of a document,: A. always abbreviate the street, city, and state. B. it is optional to abbreviate the parts of the address. C. spell out the parts of the address. D. always abbreviate the street and city and spell out

50. Maths

In a class of 75 students,15 are above average,45 are average and the rest below average achievers.The probability that an above average achieving student fails is 0.005,then an average achieving student fails is 0.05 and the probability of a below average

51. English

Choose the best word combination below for the underlined words in the sentence. Badly and Tight The odor from the refrigerator smelled so badly that no one wanted to investigate; every time we opened the door, we held our noses tight. A. badly, tightly B.

52. English

He is __________ CPA and his sister is __________ MD. A. a; a B. an; a C. an; an D. a; an A

53. Calculus

Find the length of the entire perimeter of the region inside r=15sin(theta) but outside r=1. I am not sure how to start the problem

54. Math

Write each number is scientific notation. 291.7 0.0960 is it 2.917 x 10^ 3 and 9.60 x 10^-2? help!! thanks!!

55. physics

how far will 350 J raise a 7 kg mass?

56. English

A report on the accounts __________ been completed, and the monthly intake __________ low. A. have; are B. have; is C. has; is D. has; are C

57. English

What is the correct superlative form of bad? A. Worse B. Baddest C. Worsest D. Worst D

58. English

Of the two reports, hers is: A. worser. B. worse. C. worst. D. more worser. B

59. Trig/PreCalc

An airplane is flying on a compass heading of 160 degrees at 425 mph. A wind is blowing with the bearing 200 degrees at 75 mph. Find the actual speed and direction of the airplane.

60. phy

A force of magnitude 7.50 N pushes three boxes with masses m_1 = 1.30 kg,m_2 = 3.20 kg, and m_3 = 4.90 kg .The mass is side by side. 1-Find the magnitude of the contact force between boxes 1 and 2, and 2-Find the magnitude of the contact force between

61. English

These __________ of strategies work __________. A. kind; well B. kinds; good C. kinds; well D. kind; good C

62. English

Although Alexis likes her job at Chili's, she liked working at Applebee's: A. better. B. best. C. more better. D. bestest. A

63. English

Identify the correct sentence. A. Neither Mike nor Corrine made it to class yesterday; do anyone have the notes? B. Neither Mike nor Corrine have made it to class yesterday; does anyone has the notes? C. Neither Mike nor Corrine made it to class yesterday;

64. English

Identify the correct sentence. A. The rest of the toys on the floor in the living room needs to be picked up before your mother comes home. B. The rest of the toys on the floor in the living room need to be picked up before your mother come home. C. The

65. English

Identify the sentence that is punctuated correctly. A. Although, the impact on our planet is clear global warming was not a high priority for many years. B. Although the impact on our planet is clear, global warming was not a high priority for many years.

66. ELA

What is the BEST description and explanation for the underlined word in this sentence? The barking dog woke the entire neighborhood with his incessant noise. A) Barking is an adjective form being used to modify the dog. B) Barking is a verb form being used

67. English

Identify the correct sentence. A. I surely could have done a better job on the report if I had more time. B. I sure could have done a more better job on the report if I had more time. C. I surely could have done a more better job on the report if I had

68. English

Identify the correct sentence. A. Fighting on school grounds are a serious offence. B. Harry Potter and the Chamber of Secrets are a good movie. C. Harry Potter and the Chamber of Secrets is a good movie. D. A new Boys and Girls Club are keeping many

69. Chemistry

Suppose that coal of density 1.5g/cm3 is pure carbon. The combustion of carbon is described by the equation C+O2---> CO2 ∆H◦ = −394 kJ What is the value of q (heat) a ump of coal the size of 7.5cm*7cm*6.5cm is burned? answer in kJ what mass of water

70. chem

a hard H20 contains 0.0085% Ca by mass(form Ca+ ions).How much H2O(g) contains 1.2g of Ca?

71. english

23. The gerund phrase in the sentence below is used as a ___ Everyone enjoys watching a dolphin show. a. subject. b. direct object. c. predicate nominative. d. predicate adjective. struggling with this one

72. Pre-Calc

The CN Tower in Toronto, Canada, is the tallest free-standing structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle

73. English

Everybody __________ excited today because both a lawyer and a doctor __________ here. A. seem; are B. seems; is C. had seemed; was D. seems; are D

74. English

Danielle wasn't feeling __________, so she performed __________ on the test. A. good; poor B. well; poor C. well; poorly D. good; poorly C

75. PHI

4. Reporter: A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political candidates can receive. However, a survey of candidates running for mayor, governor, and senate seats shows that

76. English

Identify the sentence that is correctly punctuated. A. It is not always necessary; however, to check the entire set of books. B. It is not always necessary, however; to check the entire set of books. C. It is not always necessary, however, to check the

77. Physics

Three spheres, each with a negative chrge of 4.0x10^6C, are fixed at the vertices of an equilateral triangle whose sides are 0.20 m long. Calculate the magnitude and direction of the net electric force on each spehere.

78. Help english

Revise the sentences. (1) Revise the following sentence so that the subject and verb of each sentence identify key actors and actions: Currently, the percentage of full-time African-American professors teaching in American universities is less than eight.

79. finance

Assume a \$1,000 face value bond has a coupon rate of 8.5 percent, pays interest semi-annually, and has an eight-year life. If investors are willing to accept a 10.25 percent rate of return on bonds of similar quality, what is the present value or worth of

80. Physics

A light-rail train going from one station to the next on a straight section of track accelerates from rest at 1.1 {\rm m/s}^2 for 20 {\rm s}. It then proceeds at constant speed for 1100 {\rm m} before slowing down at 2.2 {\rm m/s}^2 until it stops at the

81. Chemistry

Calculate the number of millilitres of NH3(aq) solution (d = 0.986 g/ mL) contain 2.5 % by weight NH3 which will be required to precipitate iron as Fe(OH)3 in a 0.8 g sample that contains 50 % Fe2O3.

82. English - Miss Sue Help!!!

Rewrite the following paragraph. Add colons and semicolons where needed. Note that a spelling/grammar-checker does not always catch these errors. One of the most exciting experiences in my life was traveling to Uruguay in South America in June of 2005,

83. physics

A canon mounted on a pirate ship fires a cannonball at 125 m/s horizontally, at a height of 17.5m above the ocean surface. Ignore air resistance. (a) How much time elapses until it splashes into the water? (b) How far from the ship does it land?

84. Chemistry

write the balanced chemical equation for reaction the following chemical reaction ozone gas, O3 , reacts with 3,3,4,4,5,5-hexamethyl-1-hexyne, H-CßC-C(CH3)2-C(CH3)2-C(CH3)2-CH3 to produce carbon dioxide gas, CO2 , and water gas , H2O . When balancing

85. math

Bridget ungrouped 5,000 as shown. 5,000-2896=. Use your understanding of place value to explain how the ungrouped number is equal to 5,000.

86. English

Revise the following sentences so that the subject and verb of each sentence identify key actors and actions: • The dedication of professors to multiculturalism is crucial to encouraging students of all races to succeed. o To encourage students of all

87. English

Which of the following means expressing someone else's exact words? A. Direct quotation B. Paraphrasing C. Plagiarizing D. Indirect quotation

88. physics (thxs again)

Thank you for the help :) A certain sample carries a current of 4A when the potential difference is 2V and a current of 10A when the potential difference is 4V. This samples is: a) obeys ohm's law b) has a resistance of 0.5 ohms at 1V c) has a resistance

89. English

He is the __________ of the two brothers and the __________. A. younger; friendliest B. younger; friendlier C. youngest; friendlier D. youngest; friendliest C

90. English

Identify the INCORRECT sentence. A. I can hardly see you. B. She did well on her report card. C. I can't hardly see you. D. The student answered me rather rudely. c

91. Math

Determine whether the following individual events are overlapping or​ non-overlapping. Then find the probability of the combined event. Getting a sum of either 4​, 9​, or 10 on a roll of two dice

92. chemistry

what mass of H2(g) is produced from the reaction of 5.2g Fe(s) with excess hydrochloric acid?

93. chemistry

Question #1 For a 170lb person, calculate the quanities of each of the following that must be ingested to provide the LD50 for caffine given if caffine is equal to 192 LD50(mg/kg). 1)Cups of coffee if one cup is 12 fluid ounces and there is 100mg of

94. English

Since Debbie's last test score was __________, she plans on studying __________ this time around. A. the miserablest; most diligently B. more miserable; most diligently C. miserably; diligent D. miserable; more diligently D

95. English

Some of the students from class __________ to the Writing Center for help with writing because they __________ often unclear on how to fix their errors. A. go; are B. goes; are C. go; is D. goes; is A

96. Chemistry

Consider the reaction HCHO(g) *) H2(g) + CO(g). 1.0 mol of HCHO, 1.0 mol of H2 and 1.0 mol of CO exist in equilibrium in a 2.0 L reaction vessel at 600C. a) Determine the value of the equilibrium constant Kc for this system. 2.0 moles of HCHO and 1.0 mol

97. Physics

a 96 kg clock initially at rest on a horizontal floor requires a 605 N horizontal force to set it in motion. After the clock is in motion a horizontal force of 547 N keeps it moving with a constant velocity. the acceleration of gravity is 9.81 m/s2 find

98. Biology

The father of a mating pair expresses Huntington disease. The mother is healthy. What is the recurrence risk for the offspring? Draw a Punnett square to demonstrate the inheritance.

99. chemistry

Urea (CO(NH2)2) can react with water to form CONH2NH+ 3 and a hydroxide ion. Which statement is true for this reaction?

100. Statistics

PLEASE CHECK AND SEE IF I HAVE THESE ANSWERS CORRECT. T F 1. Hypothesis testing is a procedure based on sample evidence and probability theory to decide whether the hypothesis is a reasonable statement. ANSWER (True) T F 2. For a one-tailed test using the