# Questions Asked onSeptember 18, 2015

1. ## Algebra

the base of a cylinder is a right triangle topped by a 60 degrees sector of a circle, as shown. if the dimensions are in meters and the height of the cylinder is 8 meters, what is the volume of the cylinder?

2. ## physics

A child on a sled (total mass 41 kg) slides down a hill inclined at an angle θ = 22° at a constant speed 3.5 m/s. (a) How long does it take the child to travel 40 meters down the slope? (b) What is the frictional force on the sled? (c) What is the

3. ## Math

Which of these numbers is the smallest? 0.24, 0.02, 0.11, 2, 0 (Is 0 considered to be the smallest number here?)

4. ## physics

A particle accelerates from rest at a uniform rate of 3 m/s^2 for a distance of 200m. -how fast s the particle going at that time? -how long did it take for the particle to reach that velocity?

5. ## maths

At the party Jade ate less than four jelly beans. Nicole ate twice as many jelly beans as Jade. Kahlee had twice as many as Nicole. Chris had two more than kahlee. Chris ate ten jelly beans. How many jelly beans were eaten at the party?

6. ## Government

Which level of government is better able to provide specific goods or benefits? a, City b, County c, State d, United States e, A, B and C is the answer to this question (c) State, or (E).

7. ## math

This year Gloria's garden is one foot wider and three feet shorter? What were the dimensions of the garden last year?

8. ## University of the Philippines

What is a mole of 31.8%k 29.0%Cl 39.2%O ?

9. ## r n

if two forces acting on a body at angle ¤ to each other and exerts a force of 20N,their resultant is 30N.what is the angle between them?

10. ## calcc

Note that f is continuous on (−∞, 6) and (6, ∞). For the function to be continuous on (−∞, ∞), we need to ensure that as x approaches 6, the left and right limits match. First we find the left limit. lim x→6− f(x) = lim x→6− (cx2 + 3x)

11. ## Physics - URGENT

A water balloon is launched at a speed of 23 m/s and an angle of 36 degrees above the horizontal. The water balloon hits a tall building located 20 m from the launch pad. At what height above the ground level will the water balloon hit the building?

12. ## calc urgent

Note that f is continuous on (−∞, 6) and (6, ∞). For the function to be continuous on (−∞, ∞), we need to ensure that as x approaches 6, the left and right limits match. First we find the left limit. lim x→6− f(x) = lim x→6− (cx2 + 3x)

13. ## algebra

Variables that must be excluded from 2y^2+7y-30/y+6

14. ## Maths

What is the HCF / GCF of 120, 180 and 190

15. ## Trigonometry damon plz help

If the angle of a h meters long tower is in a straight line between two observers A and B angle of elevation of the top of the tower from A and B are alpha and beta respectively and AB=D meters find h/d

16. ## Algebra 2

Determine whether each of the integers from-5 to 5 are is a solution of the inequality I x-5 I+3>5.

17. ## Maths

What is the HCF / GCF of 120, 180 and 190 as per prime factorisation. Please explain in depth....

18. ## Maths

What is the HCF / GCF of 120, 180 and 190 in prime factorisation method

19. ## Verbales (sacar fórmula)

Una firma de inversión tiene \$100.000 para invertir de un cliente y decide invertir en dos fondos, A y B. La tasa de rendimiento esperada, o interés simple, por el fondo A es de 15%, pero hay riesgo, y el cliente no quiere invertir más de \$50,000 en

20. ## Maths

What is the HCF / GCF of 120, 180 and 190 in prime factorisation method

21. ## Maths

What is the HCF / GCF of 120, 180 and 190 in prime factorisation method

22. ## statics

a study was conducted in which the teachers were asked to rate students for particular trait on a ten point scale.with the help of data given below find out whether significant difference exists in the rating of the students by the teachers. teachers

23. ## industrial process

if 100 grams of water is at 100 degree celcius are poured into 100 grams turpentine at 9 degree celcius and the resulting temperature found to be 70 degree celcius. what is the specific heat of the turpentine?

24. ## industrial process

the exhaust gases from an oil engine are passed through a water heater. the gasses have a specific heat of 1.0467KJ/kg-K and the temperature falls from 420 degree Celsius to 150 degree Celsius is flowing through the heater. the flow being 25 Kg/min. if the

25. ## Siminza high school

Discuss three practical measures to deal with this environmenta issue that causes I'll-health on a personal level

26. ## Chemistry

Prepare 45.00ml of 0.125M gold III chloride solution, given 500.00ml of a 0.500M gold III chloride solution. Explain how you will prepare the solution

27. ## find the area of the rectangle

84cm And 19cm?

28. ## physics

a car moves at a constant speed of 60 km/hr for 1 km and 40 km/hr for 1 km.what is average speed of car?

29. ## Trigonometric functions

Prove that 2pi is the minimum period of f(x) = cos (x)

30. ## algebra

The denominator of a fraction is 4 less than the numerator .If the denominator is doubled and the numerator is increased by 6,the sum of the original fraction and the new one is 3 .Find the original fraction.

31. ## ALGEBRA

The man gave 1/2 of his money to his brother,1/6to his friend and the remainder an amount of P150,000 which he kept.How much money does the man originally have?

32. ## Math

2 water pipe inlets pumping water into a tank. Pipe "A" fills up the tank in 30 minutes. Pipe "B" fills up the tank in 90 minutes. Assuming both pipes are on. How long it will take to fill up the tank.

33. ## English

I was just reading the "Modest Proposal" by Jonathan Swift when I read something that seem ironic. The narrator said that women were "breeders" or "dams" but then the last sentence of the last paragraph states that he has a wife past childbearing age and

34. ## zphs

In a right angle two side are 9m and12m what would be third side?

35. ## Science

Find the gravitational acceleration if a spaceship at a distance equal to double of earth's radius from the centre of the earth (g on earth is 9.8 m/s)

asked by Gautam pandey
36. ## maths

Four bells tolls at an interval of 8,12,15 &18 second a respectively. How many times will they toll together in one hour excluding the one at the start?

37. ## math

Which of these numbers is irrational? check mark sign 3 0.25 1/5 check mark sign 9 I think it is the first one

38. ## Math

Simplify the expression. 1/2(6x-8)-(5x-3) a)3x-4 b)-3x-8 c)-2x-5 d)-2x-1 Thanks!

39. ## ALGEBRA

Mae open her coin purse and found pennies,nickels and dimes with a total value of \$2.85.If there are twice as many pennies as there are nickels and dimes combined.How many pennies,dimes and nickels are there if she has a collection of 90 coins given:

40. ## ALGEBRA

if a bottle holding 3 liters of milk contains 3.5% butterfat,How much skimmed milk must be added to dilute the milk to 2% butterfat

41. ## ALGEBRA

In three more years,Miguel's grandfather will be six times as old as Miguel was last year.When Miguel's present age is added to his grandfather's present age, the total is 68.How old is each one now?

42. ## ALGEBRA

Sue is 8 years older than her pet goldfish Maya .In two years Sue's age will be three times Maya's age .What are their present age?

43. ## ALGEBRA

If a jeweller wishes to form 12 ounces oif 75%pure gold from substances that arev 60% AND 80% pure gold .How much of each substances must be mixed together to produce this?

44. ## english

Most of the time, the ____ struggles against the main character in a story. A) protagonist B) antagonist C) flat character D) round character

45. ## physics

A ball is kicked with an initial velocity of 16.1 m/s in the horizontal direction and 14.4 m/s in the vertical direction. What maximum height is attained by the ball?

46. ## History

Which of the following best describes William Penn's vision for living in America? He plotted to change the customs and religion of the Native Americans. He wanted to practice ideals such as religious freedom and toleration.*** He envisioned building large

47. ## math

could someone check my work please? I have to solve for 'x' Questions ~ 1. 3x – 19 = -2 Add ‘19’ to each side of the equation ~ -19+19+3x= -2+19 Combine like terms~ -19+19=0 0+3x= -2+19 3x= -2+19 Combine like terms~ -2+19=17 3x=17 Divide each side

48. ## Math

1. Two angles whose sides are opposite rays are called _____ angles. Two coplanar angles with a common side, a common vertex, and no common interior points are called ____ angles. A. Adjacent; vertical B. adjacent; complementary C. vertical; adjacent D.

49. ## Physics

A car start from rest, moves with uniform acceleration and attains a velocity of 72km/h in 1.5 s it moves with uniform speed for 20 s and is then brought to rest in 10 s under uniform retardation, then total distance travelled using velocity -time graph

50. ## Math

1. _____ Two points are collinear. A. Any B. No C. Sometimes Is the answer A?

51. ## organic chem

moles are in 1.30 mL of acetic anhydride given that the density of acetic anhydride is 1.08 g/mL and the molecular weight is 102 g/mol?

52. ## Math

1. Name the intersection of plane ACG and plane BCG. A. AC B. BG C. CG D. The planes need not intersect. Is the answer C? this is hard for me since there isn't a picture. Thank you!

53. ## Algebra

Simplify the expression (7+5)+4*13-2 I would like an explanation on how to do this question if you can:)

54. ## Rectangle

The length and width of a rectangle are integer.if the area is larger than its perimeter by 9 find the perimeter???

55. ## Algebra

I would appreciate an explanation of how to simplify this question. Write the fraction as a difference. 3x-7 --- 12

56. ## math

Can someone help me with these questions?? I really can't figure it out. Please help me I really need it... I have to write an equation to represent these real-life situations in which the variable is on the left side of the equation with an operation and

57. ## Math

1.MO bisects LMN, m LMN=6x-28, m LMO=x+34. Find m NMO. A) 46.4 B) 92.8 C) 63 D) 58 Is the answer A?

58. ## chemistry

would NBr3O be polar or nonpolar?

59. ## French

Elle vont à l'extérieur du magasin. Can this be a way to say, "They are going outside the store/shop"?

60. ## English

I put a cockroach killer under the table. Watch out for the baby not to touch it, Some cockroach medicine is in the cabinet beneath bottles. The cockroach killers are in a small plastic containers. =========================== Are the sentences grammatical?

61. ## 7th Grade Science Help Please

For his science project, Austin wants to determine if the pH of standing rainwater and places it indoors in a spot that does not receive a lot of sunlight to limit evaporation. Using a pH testing kit, he measures the pH of the water once a day for 20 days.

62. ## physics

A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. What is the time tTO needed to take off?

63. ## Chemistry

If 2.0 mol of propane are burned (reacted with oxygen), how many moles of carbon dioxide will be produced? C3H8 (g) + 5 O2(g) → 3 CO2 (g) + 4 H2O (g) I just want to make sure the answer is 6 mol of CO2 will be produced.

64. ## math

ms.sue dumb dumb but hole? yes you r.

65. ## Math

Tate has bag of golf balls: 3 red, 5 blue, 2 yellow, and 2 green. What is the probability that he pulls out a red one, replaces it, and then pulls out another red one?

66. ## Science

how can models help in science, why they are important, what and some examples of models.

67. ## World History

World History Unit 3 Portfolio What’s the Difference: Civilization Comparison and Contrast Does anybody know what this is i really need help PLEASE!?

68. ## math

a class of 80 is 25% girls. if 10% of the boys and 20% of the girls attended a picnic , what percent of the class attended ?

69. ## vocabullary

Alienate and Estrange A. Synonyms B. Antonyms C. Neither

70. ## physics

The thermal energy stored in 1 kg of gasoline is about 10,000 kcal (42,000,000 J). A small car needs a forward force of about 500 N to move slowly at a constant speed on a leveled road (no change in ME). How far should the car go if all the energy stored

71. ## shaw

Which is a property that can be used to identify matter?

72. ## math

Rosa invested \$8000 for one year, part ast 8% annual interest and the balance at 10% annual interest. Her total interest for the year was \$700. How much money did she invest at each rate?

73. ## science

need to about cells HEL:P

74. ## Biochemistry

1. Describe the ran world hypothesis 2. A) list the types of non covalent interactions that are important in providing stability to the three dimensional structures of macromolecules. (B) why is it important that these interactions be noncovalent , rather

75. ## PHYSICS

The position of a particle moving on a smooth horizontal floor is given as a function of time according to the equation x=ut+1/2at^2. At time t=0, the particle has the velocity u. Obtain an expression for the velocity as the function of time. Hence, find

76. ## Math

Miguel's grandparents live 159 miles from his house. If it takes 3 hours to drive to his grandparents house what is the average speed?

77. ## Math

Josephine wants to put a wallpaper border around the ceiling of her room. The dimensions are 10 9/12ft and 8 1/2ft How many feet of border does she need?

78. ## Math

Find the effective rate of interest for 5% compounded monthly.

79. ## physics

If the print area of each tire of a car is 24 inch2 and the tire pressure is 30psi, what the weight of the car in pounds?

80. ## Math

How long does it take for an investment to triple in value if it is invested at 9% compounded semiannually?

81. ## earth science

Stellar evolution is the life cycle of a star. A cycle suggests that upon death of a star, another star is born. How is this possible? Stars never really die. The death is a black dwarf star. This type of death triggers the birth of a new star. The death

82. ## Accounting Principles I

I have been trying to figure this out forever and just can't. Here is the problem: Reported sales of \$300,000 write-offs of uncollectible accounts of \$10,000 against the allowance for doubtful accounts and a decrease in net accounts receivable of \$40,000

83. ## Math

Josephine wants to put a wallpaper border around the ceiling of her room. Do mentions are shown below. How many feet of border does she need? 10 10 9/12 feet and 8 1/2 feet

84. ## Math

-12/3x(-8+(-4)^2-6)+2 How do I get the answer of:-6?

85. ## Chemistry

if a cooler has 63 kg of ice how much energy is required to melt it at 0 degrees celcius? The heat fusion for water is 80 cal/gram

86. ## 8th Grade Honors History

2. A piece of decorated pottery from the Woodland Era is considered (1 point) a fossil an artifact.** a hieroglyph. a chert 8. During which period of time was the first pottery made? (1 point) Archaic period** Mississippian period Paleo period Woodland

87. ## mathematics

an Ap has fourth term 8 and 17,find the first term

88. ## French

Can someone check these sentences for grammar and context? 1. Tu n'as rien (as in you don't have anything). 2. Nous ne voulons acheter rien dans ton magasin (as in we don't want to buy anything in your store). 3. Tu ne peux pas aider moi (as in you can't

89. ## Physics

A student walks from her apartment a distance d=139m to the bus stop at a speed of v1= 1.40m/s.

which of the following factors most contributed to the flourishing of great civilization in Africa between 400-1600 a) the spread of Christianity to sub- Saharan nations b)extensive trade with north Africa, Arabic, and Portuguese trading partners c) the

91. ## Physics

A student walks from her apartment a distance d=139m to the bus stop at a speed of v1= 1.40m/s. The she realizes that she has forgotten her crib sheet for her exam and so runs back to her apartment to pick it up and returns to the bus stop at a speed v2=

92. ## Chem

Precision, Accuracy, and Percent Error: _______________________________________ Suppose a student measures the volume of an aluminum block three times and records the following data: 8.42 cm^3, 8.41 cm^3, and 8.40 cm^3. The accepted volume of the aluminum

93. ## Division:jus confuse

Find the remainder? when 2^2011 is divisible by 13

94. ## Chemistry

Katie measures the mass of a chunk of gold to be 9.67 g. The accepted mass of the gold chunk is 9.82 g. How would I calculate the percent error and report my answer to two significant figures?

95. ## Algebra

Choose the best definition for the following term: substitution A letter that holds the place for some unknown value in mathematics A process where you must look for terms that have identical variable parts and then combine their coefficients A process

96. ## Physics

A basketball player throws the ball at a 47degree angle above the horizontal to a hoop which is located a horizontal distance L = 8.4 m from the point of release and at a height h = 2.7 m above it. What is the required speed if the basketball is to reach

97. ## Chemistry

what is the following's states at atmospheric temperature? 1. diamond 2. mercury 3. oxygen 4. clay 5 cooking oil 6. neon

98. ## Logarithms

Express y as a function of x. What is the domain? Explain your answer. log4y = x + log4

99. ## Logarithm help

Solve to the nearest thousandth. 5^1+x = 2^1-x

100. ## circle trigonometry

sin θ=2/3 and θ correspond to a point in quadrant 2. cos θ=

101. ## Criminal Justice

White-collar crime became a focus in the American criminal justice system in which century?

102. ## Probability

hundred people apply for three jobs. 110 of the applicants are women. (a) If three persons are selected at random, what is the probability that two are women? (Round the answer to six decimal places.) 3C2(110/400)^2(290/400)=0.164484 wrong answer

103. ## Physics

A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.60km/h. The child is 0.615km from shore and 0.815km upstream of a boat landing when a rescue boat sets out. If the boat proceeds at its maximum speed of

104. ## Physics

A river flows with a uniform velocity v. A person in a motorboat travels 1.21km upstream, at which time she passes a log floating by. Always with the same throttle setting, the boater continues to travel upstream for another 52.6min and then returns

105. ## Physics

A ball on the end of a string is whirled around in a horizontal circle of radius 0.300m. The plane of the circle is 1.19m above the ground. The string breaks and the ball lands 1.91m (horizontally) away from the point on the ground directly beneath the

106. ## Physics

An airplane flies at an airspeed of 445km/hr. The pilot wants to fly 785km to the north. She knows that she must head 18.0° east of north to fly directly there. If the plane arrives in 1.97hr, find the magnitude of the wind velocity vector.

107. ## math

3/14 of rosebuds in a garden bloomed yesterdday and 2/5 of the remaining rosebuds bloomed today.66 rosebuds have not yet bloomed.how many rosebuds were there in total? how many rosebuds bloomed today?

108. ## Differentitate:calculus

Differentitate:X^2.sinx/(x+1)(x^2-1)......???

109. ## Chemistry

It says to convert 19.3 Inches to Centimeters. How do I figure this out? I know 1 Inch = 2.54 Centimeters.. The answer is 49.02 because I did online conversions but how do I arrive to my answer? What do you do?

110. ## Chemistry

Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The balanced equation for the reaction is 2Mg(s)+O2(g)¨2MgO(s) When 10.2 g Mg is allowed to react with 10.6 g O2, 11.8 g MgO is collected. Determine the theoretical

111. ## Chem

Joe bought a 2.08 * 10^4 pound tractor trailer to transport his world famous birthday cakes around the country. How many tons was the tractor trailer?

112. ## Logarithm help please

Express y as a function of x. What is the domain? Explain your answer. log4y = x + log4 Solving exponential equations with logarithms Solve to the nearest thousandth. 5^1+x = 2^1-x

113. ## Logarithm help

Use logarithms for these questions After every 10 pages of painting, the ribbon in the dot matrix printer loses about 0.5% of its ink. A) What percent of the ink is left in the ribbon after printing 100 pages and 1000 pages B) write an equation which

114. ## trigonometry

π/10 = (0.95, 0.31) 3π/10 = (3/5, 4/5) 20° = (28/30, 10/30) are these correct? tan 70° = 28/10 csc 21π/10 = 1/0.31 sec 17π/10 = 5/3

115. ## Physics

Two airplanes leave an airport at the same time. The velocity of the first airplane is 730 m/h at a heading of 44.6 degrees. The velocity of the second is 610 m/h at a heading of 100 degrees. How far apart are they after 2.3 h? Answer in units of m.

116. ## chemistry

atmospheric temperature changes the state of these things, but i do not know to what? diamond, mercury, oxygen, clay, neon, and cooking oil?

117. ## Chemistry

i have to round each to 3 significant figures, then to one significant figure, in standard form, how? a) 87.073 m b) 4.3621 x 10^8 m c) 0.01552 m d) 9009 m e) 1.7777 x 10^-3 m f)629.55 m

118. ## Algebra

Wilma drove at an average speed of 35 mi/h from her home in City A to visit her sister in City B. She stayed in City B 25 hours, and on the trip back averaged 55 mi/h. She returned home 40 hours after leaving. How many miles is City A from City B

119. ## Math

Question: A square painting measures 2 meters on each side, what is the area of the painting in square centimeters?

120. ## math

simplify the expression (-3)4 81 -81 -12 12 I think it is -12

121. ## English

What is the theme of Ballard of Birmingham byDudley Randall

122. ## Algebra

1. Find the quotient -7 divided by 14/13 A.-2/3 B.-98/3 C.-1/2 D.-3/2

123. ## math

solve 2x3 -+4r2 if r=1 and s=5 is it 25x25x25=15625 42x42= 1764 15625-1764=13861 I think I got it

124. ## English

What rhyme scheme is used in the excerpt from Ballard of Birmingham by Dudley Randall

125. ## Math

Find the mean, median, and mode. Round to the nearest tenth when necessary. 1) Given these board lengths: 20.2, 1.2, 5, 5.8, 16, 20.2, 5, 1.2, 20.2, 20.2

126. ## Math

The five sales people at Southwest Appliances earned commissions last year of \$13,000, \$22,000, \$47,000, \$15,000, and \$24,000. Find the mean commission.

127. ## Computer program

Need to know if I have it right or not in the program please . Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function

128. ## Science

How can you evaluate scientific claims? NEED HELP!

129. ## college algebra

The total yearly food bill for a family of four is \$9395.59. To the nearest cent, what is the mean weekly food bill?

130. ## algebra

A compact car is driven 144mi. If it had traveled 4mph faster, it could have made the trip in 1/2 hour less time. What was the speed of the car?

131. ## Physics

A boy threw a rock straight down from a tree top with a velocity of 5.00 m/s. If the rock struck the ground below 1.80 s later, what was its velocity at this time?

132. ## Psychology

How would a correlation -.68 look on a scatter diagram?

asked by Pauline Brown
133. ## physics

In college softball, the distance from the pitcher's mound to the batter is 43 feet. If the ball leaves the bat at 105 mph, how much time elapses between the hit and the ball reaching the pitcher? I figured out how many ft there would be in a second, but

134. ## Social studies

True or false To accurately label exact locations on a map, geographers go to that specific location. If false what is correct answer

135. ## Math

The circumference of a certain circle is doubled. By what factor is its area increased?

136. ## Logarithm help

Use logarithms for these questions After every 10 pages of painting, the ribbon in the dot matrix printer loses about 0.5% of its ink. A) What percent of the ink is left in the ribbon after printing 100 pages and 1000 pages I have no idea how to solve this

137. ## Logarithm help

using logarithms to solve exponential equations. 5^1+x = 2^1-x I need exact numbers. I did one on my own already. 5^x-1 = 9 5^x-1 = 9 log(5^x-1) = log9 (log5)(x-1) = log9 x-1 = (log9/log5) x= (log9/log5)-1 x = 2.3652

138. ## Math

Use a calculator to find sin 217 degrees. -0.6018?