# Questions Asked onJanuary 5, 2015

1. ## Math

Tiffany purchased a \$10,000, 13-week Treasury bill that's paying 2.25%. What is the effective rate on this T-bill? A. 2.26% B. 2.2% C. 2.0% D. 2.7%

2. ## Math

Mike started a savings account by depositing \$9. Each month, he deposits more money than the month before. At the end of 41 months, he has saved \$9,389.00. How much more does he deposit each month?

3. ## chemistry

Find the mass of AlCl3 that is produced when 10.0 grams of Al2O3 react with 25.0 g of HCl according to the following equation. Al2O3(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2O(aq) 65.4 g help me ASAP.PLIS..

4. ## Physics

A ball of mass 8 kg falls from rest from a height of 100 m. Neglecting air resistance, calculate its total energy after falling a distance of 40 m.

5. ## geometry

From an apartment window 24 m above the ground, the angle of depression of the base of a nearby building is 38 degrees and the angle of elevation is of the top is 63 degrees. How tall is the nearby building?

6. ## english

John was late to dinner and I was late to the movies. simple complex compound compound-complex

7. ## Math

HELP PLEASE!!! I'm having some trouble with this question on my Maths hw. Any help is appreciated:) Identify the domain and range of the function. y=-0.25x^2 1. domain: (-oo, 0] range: (-oo, oo) 2. domain: (-oo, oo) range: (-oo, 0] 3. domain: (-oo, oo)

8. ## History

What was one way in which african Americans helped the revolutionary war effort? A. They convinced native Americans to join the army B. They joined with women's groups to write petitions C. They protested the war outside british parliament D. They raised

9. ## algebra 1

Which of the following points are solutions to the system of inequalities shown below? Check all that apply. y>4x + 2 y

10. ## Math

20+8y-9y-21 which expression is equivalent? A.2(10+4y-7y-19) B.2(10+4y)-3(y-7) C.4(5+2y-5y-17) D.4(5+2y)-3(3y+7)

11. ## chemistry

a solution is prepared by mixing 50.0 mL toluene (C6H5CH3 d=0.867 g/mL) with 125 mL Benzene (C6H6 d=0.874 g/mL). assuming that the volumes add upon mixing, calculate the mass percent, mole fraction, molality, and molarity of the toluene.

12. ## math

May has 10 fewer marbles than Albert. May has 5 more marbles than Jenny. Albert gives4 marbles to Jenny. May gives another 6 marbles to Jenny. Jenny has 13 marbles now. Find the number of marbles each of them had at first. Jenny had 3 marbles. May had 8

13. ## algebra

Of 256 consumers polled, 78 people like thrillers and 116 like both thriller and comedies. how many only prefer comedies?

14. ## math

Leah has two same size rectangles divided into the same number of equal parts.One rectangle has 1/3 of the parts shaded,and the other has 2/5 of the parts shaded.What is the least number of parts into which both rectangles could be divided?

15. ## chemistry

Ravi prepared a solution of sodium chloride by mixing 5.85g of salt in 1 liter of water. a)find molar mass of sodium chloride b)find number of moles of sodium chloride dissolved.

16. ## math problem solving

joe has a collection of 35 dvd movies. he receives 8 of them as gifts. joe bought the rest of his movies over 3 yrs. if he bought the same number of movies each year, how many movies did joe buy last year?

17. ## Math

the current temperature is - 7 degrees Celsius. The high temperature yesterday with as many degrees above 0 degrees Celsius as the current temperature is below zero degrees Celsius. Which expression can be used to find the number of degrees between the

18. ## chemistry

calculate the concentration of CO2, in a soft drink after the bottle is opened and equilibriates at 25C under a CO2 partial pressure of 0.0003 atm.

19. ## History

1.Which of these was a precedent that George Washington set? A. constitutional amendment process B.formal presidential dinners C.singing of the national anthem D.use of a presidential cabinet 2.“The time for a new election of a citizen be president of

Brandon has 32 stamps. He wants to display the stamps in rows, with the same number of stamps in each row. How many different ways can he display the stamps? Please help answer and explain

21. ## Statistics

The records of a computer retail store show that out of the 100 customers who purchased a desktop computer last month, 69 also purchased a service plan that extends the warranty for an extra year. Out of the 25 customers who purchased a notebook computer

22. ## Chemistry

The heat of combustion of bituminous coal is 2.5 x 10^4 J/g. What quantity of coal is required to produce the energy required to convert 100. Pounds of ice at 0.0 degrees Celsius to steam at 100.0 degrees Celsius?

23. ## Math 1

The number 2 is chosen to begin a ladder diagram to find the prime factorization of 66. What other numbers could have been used to start the ladder diagram for 66? How does starting with a different number change the diagram?

24. ## 9th world history

1. Why do many historians regard the printing press as the most important invention of the past millennium?

25. ## college

a solution is prepared by mixing 50.0 mL toluene (C6H5CH3 d=0.867 g/mL) with 125 mL Benzene (C6H6 d=0.874 g/mL). assuming that the volumes add upon mixing, calculate the mass percent, mole fraction, molality, and molarity of the toluene.

26. ## ap chemistry

a solution is prepared by mixing 50.0 mL toluene (C6H5CH3 d=0.867 g/mL) with 125 mL Benzene (C6H6 d=0.874 g/mL). assuming that the volumes add upon mixing, calculate the mass percent, mole fraction, molality, and molarity of the toluene.

27. ## math

A woman walks 200 yards west along a straight shoreline and then swims 50 yards north into the ocean on a line that is perpendicular to the shoreline. Using her starting point as the pole and the east direction as the polar axis, give her current position

28. ## exponents ,factor,fraction

The glee club has a set of 48 classical CD and a set of 42 show tune CD. Each set can be divided equally among the club member.what is the greatest possible number of club member. A.12. B.3. C.6. D.336

29. ## Civics

after the creation of the constitution, the executive branch of the new U.S. government allowed for The states to have fair representation Laws to be judged as fair or not Laws to be enforced*** The U.S. to become a monarchy

30. ## college chemistry

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl.

31. ## english

I have to find the adjectives of a sentence and the noun it modifies. 1.)Other explorers, restless and eager, sought freedom. Adj.- other, restless, and eager. Noun- explorers. 2.) They were slow-footed yet persistent. Adj.- slow-footed and persistent.

33. ## math

write 66 2/3% as a fraction simplest form what i did: i put 66 2/3 over 100. i don't know how to divide that

34. ## History

Which of the following correctly describes the flow of commodities in the triangle trade? A. Cubas rum is traded for slaves in New England. The slaves are brought to Cuba to grow sugar. Cuban sugar is exported to New England, where it is distilled into rum

35. ## science

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl.

36. ## physics

There are two pit balls equally charged and each with a mass of 1.5g. While one ball is suspended by a thread, the other is brought close to it and state of equilibrium is reached. In that situation,the two balls are separated by 2.6cm and the thread

37. ## math

Katie picked 7 times as many strawberries as Garrett. Garrett picked 6 quarts of strawberries. How many quarts did Katie pick? Which two multiplication facts can you use to help find the solution ?

38. ## chemistry

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl. whats wrong 25 g NaCl 1.0 L solution 1.0 g/mL 25

39. ## science

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl.

40. ## MATH!

Water flows over a dam at a rate of 500 gallons per minute. Write a function rule relating the amount of water (A) that flows over the dam to the number of minutes (M) that have passed. What are the initial value and rate of change?

41. ## AP Chemistry

Calculate the moles of CO2 formed when 4.2 mol of C3H8 react with 20.6 mol O2. Answer in units of mol. So, the balanced equation is C3H8 + 5 O2 ==> 3 CO2 + 4 H2O . I thought the answer would be 12.36 mol, but when I type it in it's wrong. Please help!

42. ## Math

Show how you can use repeated subtraction to find how many groups of 7 are in 28. Then write the division sentence for the problem.

43. ## chemistry

Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 moles of hydrogen reacted with oxygen, what volume of liquid water could be produced?

44. ## Math-percents

A carpenter has a wooden stick that is 84cm long.she cuts off 25% from the end of the stick .then she cuts the remaining stick into 6 equal pieces.what is the length of each piece?

45. ## Physics

Consider a ball at rest on the middle of a toy wagon. When a wagon is pulled forward, the ball rolls against the back of the wagon. Interpret this observation in terms of Newton's First Law of Motion. thanks ;)

46. ## Government

The cost of the Iraq War, as of June 2009, equals: A. Giving 32 million four-year college scholarships B. enrolling more than 100 children in Head Start programs C. building 5 million new public-housing units D. either A or B is correct The books says that

47. ## chemistry

A recompression chamber with the dimensions of 3m x 3m x 2m is filled with a mixture of oxygen and nitrogen to relieve divers from the effects of the bends. What is the volume of the chamber in cm3?

48. ## physics

the speed of a wave in a 4 m rope is 3.2 m/s. what is the frequency of the vibration required to produce a standing wave pattern with 1 antinode? 2 antinodes? 4 antinodes? please help!!! i don't understand how to do this

49. ## FIN 100

P5: The following information is available to you: travelers’ checks = \$1 million; coin and paper currency = \$30 million; repurchase agreements and Eurodollars = \$15 million; demand deposits = \$25 million; retail money market mutual funds = \$60 million;

50. ## Physics

An aluminum measuring tape is correctly calibrated in metric units at exactly 0 degree Celsius. At is used to measure the distance between two lines on a floor, and the reading is 25.000 meters at a temperature of 30.000 degree Celsius. Determine the

51. ## Math

Capacity Homework? I was doing my grade 8 math homework on capacity, and I was told to order the capacity of Vase A, B, and C from least to greatest. Vase C is a hourglass based prism, and I don't know the formula for it. Please help?

Anny invests \$3,000, at 6% interest, compounded monthly for 1 year. Use Table 11-1 to calculate the compound amount for her investment

53. ## science

if castr raises his chevy down highway 37 for 2,560 m. in 60 seconds. what is his speed

54. ## trig

a guy wire reaches from the top of a 125 meter television transmitter tower to the ground.The wire makes a 63' angle with the ground.Find the length of the guy wire.

56. ## Math problem solving

An octagonal stop sign can be cut from a square sheet of metal, 750mm on a side. To the nearest hundredth, what percentage of the metal square is wasted when the octagon is of maximum size ?

57. ## math

explain how to use mental math to find 700 x 8

58. ## math

1 1/3 x 2 1/2

59. ## Math

Q. There is a hot hair ballon festival in System Springs. Seventy two gallons registered to participate,paying \$25 each. Five of those who registered didn't show up and we refunded half of their money.mthree additional balloons showed up and paid the

60. ## math

write an addition problem with 3 addends in which you regroup once to solve.

61. ## math

explain how you could use 5x6=30 to find the product of 6x6

62. ## algebra

A chemist has x grams of an alloy that is 20% silver and 10% gold, and y grams of an alloy that is 25% silver and 30% gold. Express the number of grams of gold in the two allows in terms of x and y.

63. ## chemistry

Dissolved Oxygen in aquatic systems is important for the survival of small freshwater fish and they require a minimum amount of 5 parts per million of dissolved oxygen in a stream or lake to survive comfortably. Although this amount seems quite small, how

64. ## Social Studies: Early India

How does northern India differ to The rest of the region?

65. ## Physics

A high fountain of water is located at the center of a circular pool as shown in the figure below. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 18.0 m. Next, the student stands at the edge of the

66. ## Math

Jim, Juan, Mary, and John are all managers for the same company •Jim always meets the sales goals •Juan exceeded the goal by 15% on Tuesday and 10% on Wednesday. •Mary’s goals for each day of the week are 5% lower than the goals for other managers.

67. ## Government

The top 1 percent of the American population possesses what percentage of the nation's wealth? A. 20 B. 27 C. 33 D. 39 The book says that the top 5 percent of the American population gets more than 21 percent of the national income. I'm thinking maybe c

68. ## Mathematics

Find second differentiation for function x^3=ycosx

69. ## math

Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use estimation to solve the problem.

70. ## Physics

A 70 kg person is riding on a frictionless skateboard at 5 m/s. A friend facing him throws a 5kg ball toward him at 20 m/s. What is his final speed after catch the ball?

71. ## math

Kyle says there are exaxtly 4 weeks in February. Is he right? explain

72. ## Solid mensturation

Find the area of a sector bounded by a 60 degrees central angle in a circle of radius 6 inches

73. ## math, solving Oblique triangle

steve, hoe do you solve this cause i don't know how and i don't get it : b/sin49° = c/sin115° = 10/sin16°

74. ## Math

e(x + 1) + e(x - 4) = ? e(2x - 3) or 2e(2x - 3)?

75. ## history

Why did Marx call communism "the end of history"?

what does franchiser and franchisee mean and what are their defintions

77. ## Civics

Why limit the jurisdiction of the Supreme Court? A. People prefer to go to local courts because they don't have to travel so far. B. The justices sitting on the court have a limited amount of time. C. Congress made decisions that limited the jurisdiction.

78. ## Algebra

If there is a grid and you are going to draw three different rectangles so that each has an area of 12 square units and they all have different widths. What are the dimensions of the rectangle? Please help answer

79. ## Math

A license plate manufacturer is punching plates with pattern: L#L-##LL where L represents a letter and a # represents a digit from 0 through 9.If a letter can be any letter from A to Z except,O, how many different license plates are possible?

80. ## distance

find the distance between lines whose equations are: y=-1/4x+2 and y=-1/4x-9/4. d=ã(1-(-3)^2 +(1-2)^2

81. ## English

Most American colonist ate bread and cold meat for breakfast. Is most an adjective and could the word many be an adjective in a sentence

82. ## expressions and equations

I have a lot of homework each night and I don't get it at all one question was 0.5(12z-7)-3.5z+3.5 and I got it wrong just because I didn't do it and I didn't understand it.I got 7z as my anwser.What did I do wrong?Help PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

asked by Have a lot of homework
83. ## math

explain how you can find the quotient of 400:10

84. ## math/ ratio

there are 45 fruits. 21 are bananas, 15 are pineapples, and the rest are papayas. what is the ratio of the number of bananas to the number of pineapples to the number of papayas?

85. ## physics

What is the distance from the earth's center to a point where your weight would be 1/25 of what you weigh at the surface?

87. ## chemistry

A label on a soft drink bottle indicates that it contains 10% sugar w/vol. This means the sugar concentration is 10g/100ml. Given a teaspoon of sugar weighs 4g, calculate how many teaspoons of sugar you would consume if you drank a 600ml bottle of the soft

88. ## Mathematics

Find first derivative of following function x^2 log4 (x+1)^2

89. ## Physics

A fallen tree if lifted 2.75m.What is the work done? W=Fd

90. ## math

They are five apple slices in each school lunch. If 35 students buy a school lunch, hoe many apple slices are there ? Write an equation for this problem.

91. ## math

Fifteen painters can paint a number of houses in 12 days .if the number of painters is increased by 5, how many days less would it take the painters working at the same rate to paint the houses?

92. ## Algebra

system of equations, the sum of two numbers is 46. the first number is 3/20 of the second number is it x + y = 46, x = 3/20y?

93. ## Math

The least common multiple of the two numbers is 60 the difference of the two numbers is 3

94. ## Math

points p and q are trisection points on segment ab. if aq= 7x+6 and pq= 3x+5 find all possible values for the length of ab?

96. ## math problem solving

points p and q are trisection points on segment ab. if aq= 7x+6 and pq= 3x+5 find all possible values for the length of ab

97. ## math

find three consecutive odd integers that their sum decrease by the second number, equals 50.

98. ## math

Write word phrase for the expression t/30

99. ## science

Jan calculations of the talantola found that the spider able to cover 20 cm. in 5 seconds.What was the speed of the spider?

100. ## math

write a number sentence with two expressions that equal each other

101. ## art

Jennifer throws a fair six-sided die, what is the probability that she throws either 1,2,3,4,5,or 6?

102. ## math, solving Oblique Δ

can you help me to solve each triangle described below using ΔABC : 1)a = 10, A = 16°, B = 49° 2)a = 8, b = 7, A = 88°

104. ## math

explain how you can find the quotient of 400/10

105. ## algebra

what is the opposite of -17/22

106. ## Mathematics

Differentiate the following function with respect to x a) ln((2x-1/1+x)^1/2)

107. ## algebra

one less than the product of two numbers is 57. let m and b represent the unknown numbers is it mb - 1 = 57

108. ## algebra

the area of a rectangle with base b and height h is bh. A rectangle sports goal is 9 ft wide and 8 ft high. Find the area of the opening

109. ## math,trigonometry

solve each triangle described below using Δ ABC : 1)a = 10, A = 16°, B = 49° 2)a = 8, b = 7, A = 88° I don't know how to do this i forgot ... could u help (Steve, or Mrs.Sue, or Writeteacher plz help) this topic is Oblique triangle

110. ## ELA

I'm reading the Iliad and a question has come up - What is the conflicting message about the relationship between humans and the gods does this myth give? Any help with this would be much appreciatd. Thank You

111. ## Statistics

Evaluate the following. 20 divide 5+8+2x4 Thank you

112. ## chemistry

22.0 grams of zinc reacted with 95.0 mL of 0.5 Molarity HCl. What volume of hydrogen gas would be produced at 22 degrees C and 745 torr?

113. ## Mathematics

(sin 4x cos 3x)^2 differentiate the following function

114. ## chemistry

A label on a soft drink bottle indicates that it contains 10% sugar w/vol. This means the sugar concentration is 10g/100ml. Given a teaspoon of sugar you would consume if you drank a 600ml bottle of the soft drink.

115. ## Math

Mabel is installing a square pool in her backyard and wants a circular fence to enclose the pool to create 4 grassy areas around the pool as show in the figure. If the pool is located at the coordinates (1, 5), (5, 8), (4, 1), and (8, 4), what is the

116. ## Mathematics

Find the first derivative of following function log5 (2x+1/3x-1)

117. ## Mathematics

Differentiate the following implicit dunction and find dy/dx ln (3xy)=2xy^2

118. ## history

What event started Lenin on the path to becoming a communist revolutionary?

119. ## Statistics

[(15-8)x3-13]divide 2

120. ## Bussiness

could you give me the definitions for these two and could tell me the disadvantages and the advantages -franchiser -franchisee

121. ## exponents ,factor,fraction

7•7•7= 7^3. Or 3^7 Or 21 or 7^4

122. ## Statistics

If someone could help with this problem so I can understand how to perform the actions. In the past year, Carmen watched 51 movies that she thought were very good. She watched 60 movies over the whole year. Of the movies she watched, what percentage did

123. ## Algebra

What are the complements and supplements of: (y + 20)°. Thx!

124. ## math

What symbol did people use to define an angle before the angle symbol was invented ? Thank you

125. ## math

explain how you would use a number line to round 148 to the nearest ten

126. ## math

Braden and Bialy each bought a kazoo for \$0.89. They each paid with a \$1.00 bill. Expalin two different ways to show their change.

127. ## math

tell two different ways Reba could receive her change.

128. ## exponents ,factor,fraction

(X-b)^2+a^2for a=2,b=1,and c=7

129. ## math

Jake says adding 0 does not change a number. Is he correct? Explain

130. ## math

Angel says the rule for this table i Add 0. Frank says the rule is Subtract 0. Who is correct?