1. English

the trouble with television Robert MacNeil voices a strong opinion about television in a paragraph explain his opinion then tell whether you agree or disagree with him support your view with at least two pieces of evidence from MacNeil's essay or from your

2. Math

The back-to-back stem-and-leaf plot below shows the ages of patients seen by two doctors in a family clinic in one day. Compare the ages of the patients of doctor 1 and doctor 2 using the mean and the median of each data set. Doctor 1 Doctor 2 | 3 | 5 9 2

3. Chemistry

A 30.0 mL sample of 0.165 molL−1 propanoic acid (Ka=1.3×10−5) is titrated with 0.300 molL−1KOH. Calculate the pH at 0, 5,10, at equivalence point, 1/2 of the equivalence point, 20, 25 mL of added base.

4. Algebra2

Expand the logarithmic expression. log8 a/2 My answer is log8a-log8 2

5. Algebra

The function y = –0.296x^2 + 2.7x models the length x and height y that your sister's pet rabbit can jump, in centimeters. How high does the rabbit jump? One the rabbit reaches the ground what is the total length of the jump? I got 4.6 cm high, and 6.2

6. Language arts(Anyone) (connexus)

1.Which sentence contains an opinion? A.Maria Tallchief was born in 1925. B.She was a Native American woman and a ballet dancer. C. Maria was the first prima ballerina of the New York City Ballet. D.She is the best ballerina to ever dance for New Your City

7. Social studies

why does the cartoon from the bank war 1832 portrat president jackson as a king

6. Which three lengths CANNOT be the lengths of the sides of a triangle? A.25 m, 16 m, 10 m B. 15 m, 13 m, 12 m C. 18 m, 5 m, 10 m D. 8 m, 8 m, 15 I think its A And if I'm wrong please explain the answer

9. (NOT for Ms. Sue)

1) Why was the Department of Defense created? A) to place the U.S. Army and Navy in one executive department B) to establish a military chain of command C) to end disagreements between the U.S. Army and Navy D) to lessen the instance of military abuse of

10. science

Which of the following will make it harder in the future to develop sustainable methods for humans using resources? 1) there will be fewer renewable resources 2) more humans will populate the earth 3) more humans will recycle mterials

11. art

what other natural resource is mixed with these pigments to make paint? A)oils** B)graphite C)charcoal D)clay

12. Chemistry

Before small batteries were available, carbide lamps were used for bicycle lights. Acetylene gas, C2H2, and solid calcium hydroxide were formed by the reaction of calcium carbide, CaC2, with water. The ignition of the acetylene gas provided the light.

13. Math

Use Stokes' Theorem to evaluate S curl F · dS. F(x, y, z) = 2y cos z i + ex sin z j + xey k, S is the hemisphere x2 + y2 + z2 = 49, z ≥ 0, oriented upward.

14. Algebra

Translate this phrase into a algebraic expression. 22 more than twice Mabel's age

15. Physics

A 238U nucleus is moving in the x-direction at 5.0x10^5m/s when it decays into an alpha particle (4He) and a 234Th nucleus. The alpha moves at 1.4x10^7 m/s at 22 degrees above the x-axis. Find the recoil velocity of the thorium. I know that the original x

16. chemistry

Changing 1 mol of Mg(s) and 1/2 mol of O2 (g) to gaseous atoms requires a total of approximately 150kJ of energy. The first and second ionization energies of Mg are 737kJ/mol and 1450kJ/mol respectively. The first and second electron affinities of Oxygen

17. Math

Use Stokes' Theorem to evaluate C F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = xyi + 5zj + 7yk, C is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 9.

What other information is needed to prove that the two triangles congruent by SAS? Picture description: there are two triangles showing line LT = line MQ and L=M A.

19. Math

3. The stem-and-leaf plot below could NOT represent which of the following? 1 l 1 2 2 7 7 2 l 4 4 7 3 l 3 5 6 8 9 Key: 3 l 5= 3.5 A. The average number inches of rain in June B. The height of plant seedlings, in inches*** C. The weight oh phonebooks, in

20. science

How is biodiversity related to human activities that use natural resources? 1) it decreases as humans use natural resources wisely 2) it increases as humans develop sustainable ways of using natural resources.

21. Physics

Two identical loudspeakers are 2 m apart. A person stands 4.6 m from one speaker and 3.4 m from the other. What is the lowest frequency at which destructive interference will occur at this point?

22. social studies

What is one way that European nations transformed the landscape of Southeast Asia? 1) large plantations replaced small farms 2) people moved from cities to countyside

23. Math

Use Stokes' Theorem to evaluate S curl F · dS. F(x, y, z) = x2z2i + y2z2j + xyzk, S is the part of the paraboloid z = x2 + y2 that lies inside the cylinder x2 + y2 = 25, oriented upward.

24. STATISTICS

In the mass production of bolts it is found that 5% are defective. Bolts selected at random and put into packets of ten. A packet is selected at random. Find the probability that it contains (a) three defective bolts. (b) less than three are defective. Two

25. Math

marvin wrote the following clues to describe a multiplication sentence. the product is close in value to 10. both factors are decimal number.the product has 3 decimal places.one factor is greater than one . The other factor is less than 1. Explain how you

26. economic

what is abnormal supply

27. Spanish

**Image of girls at a cafe.** Donde estan las chicas? A)en el cafe*** B)a la cafe C)en la cafe D)en al cafe Am I correct?

28. Math

Blue and yellow paint are mixed in the ratio 2:5 to make a new colour. 6 litres more of Yellow and Blue is taken. how many litres of each is mixed

29. Statistics

A cooperation must appoint a president, CEO, coo, CFO. There are 15 qualified candidates. How many ways can the officers be appointed?

30. Math

The ratio of the number of cats to the number of dogs in an animal shelter was 2:3. After 120 cats were adopted, the ratio of the number of cats to the number of dogs became 3:7. Find the total number of cats and dogs in the animal shelter in the end?

31. maths

A cylindrical tin 8cm in diameter contains water to depth of 4cm.If a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin or floats exactly half 2.what is the New depth of water

32. maths

A cylinder is 8cm high and its base diameter is 4cm.The height of a similar cylinder is 12cm. The height of a similar cylinder is 12cm.find the diamter of the base of the larger cylinder

33. Math

Consider ∠C such that sin C = 7/25 a) What are the possible quadrants in which ∠C may lie? b) If you know that cos C is negative, how does your answer to part a) change? c) Sketch a diagram to represent ∠C in standard position, given that the

34. math

Bob needs to mix 2 cups of orange juice concentrate with 3.5 cups of water to make orange juice. Bob has 6 cups of concentrate. How much orange juice can he make?

35. Thermodynamic

A system contains 0.15 m3 of a gas at a pressure of 3.8 bar and 150 C. It is expanded adiabatically till the pressure falls to 1 bar. The gas is then heated at a constant pressure till its change in enthalpy is 70 kJ. Determine the total work done. Pl

36. physics

How many minutes would it take a radio wave to travel from the planet Venus to earth?

37. social studies

which population and environmental issues are affecting the economy of Indonesia? 1) overcrowding and growing drought 2) declining population and air pollution 3) declining population and water pollution 4) overcrowding and destruction of rain forests

38. Math

The producer of a 30 minute tv documentary about world war 1 divided it into two parts. four times as much program time was devoted to the causes of the war as to the outcome. how long is each part of the documentary?

39. social studies

why did the French give up their control of their colony in Vietnam in 1954? 1) a bloody war with communist led by Ho Chi Minh 2) the entry of the United States into the war in Vietnam

40. science

which of the following would decrease the human ecological footprint? 1) using bottled water instead of tap water 2) using public transportation instead of riding in a car 3) buying books instead of borrowing from the library 4) using hot water instead of

41. science

Suppose a bar 1 m long expands .5 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated? If each one meter expands a half centimeter, then one hundred meters will expand 100*.5cm. Think on that.

42. Math

1) A ladder that is 15m long is leaning up against a building. The ladder makes an angle of 30 degrees with the ground. a) Find an exact expression for the height at which the top of the ladder contacts the wall of the building. 2) A tree is anchored by a

43. Algebra 1

Hi, I have this question to answer and I am just really confused I don't know where to begin we haven't had a question like this so I'm totally bewildered. Anyway here is my question. Any help is greatly appreciated! Thank you so much for your time!!!

44. maths

A cylindrical tin 8cm in diameter contains water to a depth of 4cm. if a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin it floats exactly half submerged. what is the New depth of water

45. Math

An angle θ satisfies the relation csc θ cos θ = -1. A) Use the definition of the reciprocal trigonometric ratios to express the left side in terms of sin θ and cos θ. B) What is the relation between sin θ and cos θ for this angle? C) Determine two

46. Physics

an upward force of 45.0N is applied to catch a falling girl's bowling ball with a mass of 5.45kg(12lb). What is the acceleration of the ball

47. maths

A spherical retort 15cm in diameter is half full of acid.The acid is poured into a tall cylindrical breaker of diameter 6cm.How deep is the acid in the beaker

48. Math

In Mrs. Wallace's science class one half of the students are boys of the boys 1/8 or left-handed what fraction of the students and Mrs. Wallace's science class are left handed

49. Physics

A steel spring is hung vertically. Using a ruler, the lower end of the spring was measured to be 25.0cm from its upper end. However, when an object of mass 0.500kg it attracted to the lower end of the spring the spring stretches to a new length of 45.0cm.

50. physic

A block of gold having dimension of 1.2 m long, 0.8 m width and 0.4 m thick. What is the mass of the block?

51. english

can someone help me with Frederic douglass and how he learned hoe to read and write

52. pre calc

You have a sample of a certain radioactive substance. After two days, thirty percent of the sample has decayed. What is the half-life of the material and how much will have decayed after a week?

53. maths

Bob works in construction and works 8 hours each day. (a) if he spends 7/12 of the time mixing cement and the remainder of the time laying bricks. How much time does he spend laying bricks each day? (b) Bob's supervisor wants him to spend the same amount

54. Math

If a space shuttle traveling at 17 , 460 miles per hour how fast is it moving per minute

55. maths

The diagonal of a parallelogram 6cm and 8cm long and they intersect at an angle of 55 degrees. calculate the area of the parallelogram

56. math

I bought 12 dozens of eggs at Rs 7.20 per dozen .Eighteen eggs were broken .I sold the remaining eggs at the rate of Rs 7.50 per dozen .find my gain or loss.answer is Rs 7.65

57. science

1) A null Hypothesis assumes that a process is producing no more than a maximum allowable rate of defective items. The Type II error is to conclude that the process? 2) If 95% confidence limits for the mean Mu turn out to be (6.5,8.5) Plz help me

58. English comp 1

Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to any potential sentence fragments.     I love Impressionist art. When I was a child, I went to the museum. The art museum. I stood in front of

59. maths

A cylindrical tin 8cm in diameter contains water to a depth of 4cm. if a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin it floats exactly half submerged. what is the New depth of water

60. Thermodynamics

Consider air as an ideal gas with Cp=1000 J/(kg.K), R=287 J/(kg.K) and γ≈1.4. It is compressed from 1 bar, 300K to 10 bar using a compressor. The compressor can be considered adiabatic but not reversible. The flow rate is 2 kg/s, and the entropy

61. Computer Science

FIND the sum and the average of marks of students given in 5 different subjects out of 100 by flowchart.

62. Math

Explain how you can tell if your estimate answer is greater or less than exact answer to a multiplication problem

63. English

1. He raised his arms above his head. 2. He raised his arms over his head. (Can we use both over and above? Do they have the same meaning?) 3. The sun's coming up above the mountain. 4. The sun's coming up over the mountain. (Can we use both over and

64. science

What are the similarities and differences between mitosis and meiosis?

65. math

If a circle is circumscribing triangle xyz,find the radius of the triangle. Calculate the area inside the circle but outside the triangle

66. Thermodynamics

Consider air as an ideal gas with Cp=1000 J/(kg.K), R=287 J/(kg.K) and Î³â‰ˆ1.4. It is compressed from 1 bar, 300K to 10 bar using a compressor. The compressor can be considered adiabatic but not reversible. The flow rate is 2 kg/s, and the entropy

67. maths

A box of height 8cm has a volume of 320cm cube.What is the volume of a similar box of height 6cm

68. english

-------------------- 1. Everywhere you go, you will find the same thing. 2. Wherever you go, you will find the same thing. 3. No matter where you go, you will find the same thing. Are they all the same in meaning? Which one is popuplar? •English -

69. physics need help anybody

The equation y=As in(wt-kx)represents a plane wave traveling along the x-direction. If a=0.10m, w=8500hz and k=25/secs......Calculate the speed of the Waves -Calculate the speed of the medium through which the wave is travelingl -What is the equation of

70. Chemistry

A student followed the procedure given in the lab exercise to determine the ascorbic acid content in a commercial vitamin C tablet. The students prepared the solution using a 0.460 g vitamin C tablet. The titration required 40.00 mL of the 0.005 M KIO3/KI

71. Science

A ball of mass 1000g moving with 7m/s impinges another ball of twice its own mass and moving with 1/6th of its own velocity and moves in the opposite direction. If the coefficient of restitution is 0.75, calculate the velocities of the two balls after

72. Algebra

Christy drove at an average speed of 55 mi/h from her home in San Francisco to visit her sister in Tucson. She stayed in Tucson 10 hours, and on the trip back averaged 35 mi/h. She returned home 50 hours after leaving. How many miles is San Francisco from

73. physics

Specific heat capacity of a certain metal is found by heating the metal and then placing it into water which is in a container made of the same material. The metal has mass of 100g and is heated to 100 degrees celsius. The container has mass of 200g and

74. MATH

What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and a rational number.

75. Physics

A 12000 kg truck strikes the back end of a 750 kg car moving at 15 m/s. If the truck loses 7500 kg-m/s of its momentum to the car, what is the car's velocity after the collision? I'm not sure how to solve this one... Help please?!

76. Math

In a class 3/4 of the students in a class are girls. There are 28 boys. What fraction of the class are boys? How many students are in the class?

77. Algebra

A ball is thrown vertically upward from the ground with an initial velocity of 103 ft per sec. Determine what the maximum height will be

78. STATISTICS

A die is biased and the probability, p , of throwing a six is known to be less than 1 6 . An experiment consists of recording the number of sixes in 25 throws of the die. In a large number of experiments the standard deviation of the number of sixes is

79. Math

16 students have registered for a summer sports camp. they are to be divided into either a swimming or a tennis activity, with no more than 1- students in either group. in how many ways could the group in the tennis activity be chosen?

80. algebra

A collection of thirty-seven coins consists of nickels, dimes and quarters. There are ten more dimes than nickels. Represent the value of all the coins using one variable.

81. Math

The number of girls and boys in a class are in the ratio 7: 5 and there are 8 more girls 10 boys. how many girls and boys are there in the class.

82. English

1. She looked back on the past without regret. 2. She recalled the past without regret. 3. She recollected the past without regret. ------------------------------ Are they all the same? What other phrases do you frequently use instead of 'looked back on'?

83. Algebra

In the city of Marble Springs, Main Street intersects some of the other avenues in town. On a coordinate grid, Main Street passes through the points (-2,17) and (-22,33). Grimes Boulevard, a street that is perpendicular to Main Street, passes through the

84. math

if the three sides of an equilateral triangle are 3x + 2, 2y - X and y + 3. find X and y and the perimeter of the triangle. kindly elucidate further on this question

85. maths

A heavy 9cm diameter ball is placed in an empty cylindrical tin of diameter 12cm. Enough water is poured into the can to cover the ball.if the ball is then removed , how far does the water level fall

Consider a solid ball of mass m = 50g and is placed on a long flat slope that makes an angle of 30° to the horizontal. The ball was initially at rest and was then released such that it rolled down the slope without slipping. With a detailed explanation of

87. Calculus

Evaluate ∫tan(3x)dx

88. chemistry

State whether each of the following sets of quantum numbers is permissible for an electron in an atom. If a set is not permissible, explain why. (i) [1, 0, +1/2, +1/2] and (ii) [3, 2, 1, 1]

89. physics

Two forces are applied to a 0.5 kg hockey puck causing it to accelerate. The first force has a magnitude of 10.0 N and is applied to the puck at an angle of 80 degrees with respect to the x axis. The second force has a magnitude of 3.5 N and is applied to

90. maths need help

If Log (a+3) (base 9) - log b(base 9)= c + (1/2) and log (a-3) (base 3) + log b (base 3)=c - 1. show that a^2=9 + 27^c and find the possible values of a and b when c=1

91. sir damon i need u help physics

The equation y=As in(wt-kx)represents a plane wave traveling along the x-direction. If a=0.10m, w=8500hz and k=25/secs......Calculate the speed of the Waves -Calculate the speed of the medium through which the wave is travelingl -What is the equation of

92. maths

A heavy 9cm diameter ball is placed in an empty cylindrical tin of diameter 12cm. Enough water is poured into the can to cover the ball.if the ball is then removed , how far does the water level fall

93. Algerbra

Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the given equation. (-8, -4); y=-4x+3 Write an equation for the line in slope-intercept form.

94. Physicas

A 12000 kg truck strikes the back end of a 750 kg car moving at 15 m/s. If the truck loses 7500 kg-m/s of its momentum to the car, what is the car's velocity after the collision? I'm not sure how to solve this one... Help please?!

95. physics

A 1 meter long rod of diameter 1 cm supports a hanging mass of 10^4kg. The rod stretches by 6.2 mm. What is Young's modulus for the rod?

96. Math

What is the result of converting 1500 yards into miles?

97. Math

Lisa went to the store and bought 100 pounds of fruit for \$100.00. The peaches were \$10.00 a pound, the melons were \$3.50 per pound, and the apples were \$.50 per pound. How many pounds of each did she buy

98. Physics

A 103kg SWAT team member descends a 27.5m cable attached to a helicopter. If he wishes to reach the bottom in 3.5s, what average force should he apply to the cable?

99. Math

The sum of 24 and Vanessa's age is 40

100. technical drawing

What length on a scale drawing would represent a distance of 85m on land if the scale was 1:10000

101. I dont know

The vector has a magnitude of 8 units. If the x-y coordinates of the tail of the vector are (0,0) what are the x-y coordinates of the tip of the vector? Use the pythagorean theorem to help you decide: for right triangles c^2= a^2+b^2, where a and b are the

102. Math

the jetstream is a strong wind current that flows across the united states. flying with the jetstream, a plane flew 3,000 miles in 5 hours. Against the same wind, the trip took 6 hours. Find the airspeed of the plane (the speed in still water). My answer:

103. math

Tanya and Greg are going skiing. Tanya is a seasoned skier while Greg is a novice, he only skied once before. They have a map that provides the coordinates for the top and bottom of each path. Tanya wants to ski the most challenging path while Greg wants

104. Calculus

Evaluate ∫√(x^3+1)dx

105. Maths

Q. a^4 - 13a^2 + 36 Factorise

106. Thermodynamics

Consider 100 kg/s of steam expanding in a turbine. The inlet to the turbine is at 15 MPa, 500 degrees C. The steam expands to 0.01 MPa. The exit entropy is 6.200 kJ/(kg.K). Though the turbine is well insulated, at a place where the temperature is 127

107. Motion

A body weighing 150 N, moves with simple harmonic motion. The velocity and acceleration of the body when it is 200 mm from the centre of oscillation, are 5 m/s and 20 m/s2 respectively.Determine (a) amplitude of motion ,no. of vibrations per minute,

108. precalculus

I don't understand what steps I have to do in order to solve this problem. An angle's rays cut off an arc length of 227 centimeters in a circle with a 40 centimeter radius. A. What portion of the circle's circumference is cut off by this angle? B. What is

109. calculus help

Find an equation in cylindrical coordinates for the rectangular equation. y^2 = x

110. maths

Two sides of a triangular field are 120m and 200m.If the angle between the sides is 68 degrees. find the area of the field in hectares

111. Math

The number is a 2 digit number greater than 5 and 12 the number is not divisible by 2 both digits of this number are the same the sum of the digits of this number is one less than half the number of days in november

112. PHYSICS URGENT!!!

Consider a solid ball of mass m = 50g and is placed on a long flat slope that makes an angle of 30° to the horizontal. The ball was initially at rest and was then released such that it rolled down the slope without slipping. With a detailed explanation of

113. Maths

A profit of 30% was made on the selling price of a clock purchased at \$140 after giving 20% trade discount and 20% cash discount. What is the list price?

114. Trigonometry

A fisherman used a 12 foot rope to tie a boat to the dock. The rope makes an angle of 40 degrees with the ocean. How far is the boat from the dock?

115. math

express a/5 +4/b as a single fraction

116. Math

If you have 150 pages in a book and you have read one thrid of it how many.pages have you read so far

117. maths

one pound of apple cost 5.25 and one pound of oranges 3.80 and sell 4.25 how much % of apples and oranges need to make 52lbs together

118. Math iniqualties and versitiles

3(4+5+6)=(3*4+3*5+3*6)=45 3(4+5+6)=3(15)=45 What are the ways to calculate these equations with distributive property?

asked by Lucy Plz Help me
119. Math

Cheryl does a 2 mile warm up trail run at one rate for half of her workout. In the same amount of time she runs an additional 3 miles at a rate that is 2 mph faster. Find Cheryl's rate for her 2 mile warm-up run and for the 3 mile portion of her run.

120. Algebra

I need help with a domain and range question but there's no way to show you the graph. Anyone willing to help me through email?

121. MATH

iF A LIVING ROOM IS 11 FT BY 20 FT AND THE WALL HEIGHT IS 9FT AND 3 WALLS ARE PAINTED,HOW ANY PIECES OF WOOD TRIM BE NEEDED

122. Math

If someone uses 1/5 of their allowance then used 1/3 of the amount.what is the number sentence?

123. geometry

A rectangle has a length that is 2 less than 3 times the width. If the perimeter is 84, find the dimensions of the rectangle.

124. math

the sum of two no is 50 .the smaller no is two third of the greater no.. find the no.

125. Math

9:2x=15:12 , so x= ..?

126. math

Suppose a length of a side of the larger box is 12 inches. How many smaller boxes will fit inside the larger box?

127. math

There are five different sizes of wood planks used to build a deck. Before starting the project you must compare them and put them in ascending order. 3 ½ ft. 11/3 ft. 3.55 ft. 2.9 ft. 4.1 ft. Help plz.

128. Math

Q. a^4 - 13a + 36 Factorise

129. Maths

2X²+Y=15 3X+9Y=1, Solve for X and Y.

130. science

how many moles of h2 can be prepared from 3moles of Fe ?

131. Pre-algebra

Write the number in scientific notation. 1250=1.25x10^3

132. LA V-K

Should kids have longer vacations and why? Hi! I REALLY Need Help On This! Also, are there any good reliable sites on this topic?

133. math

16 X^2+y^2=16

134. Maths

8kg of fertilizer are needed for a garden.How much fertilizer would be needed for a garden of double the dimensions

135. spanish 1

cuando va a ir al concierto

136. SCIENCE

Calculate the mass % of nacl in a solution containing 1.5g of nacl in 50.0g of water

137. Math

How many different integers represent the sum of two or more members of the set {-4,-3,-2,-1,0,1,2,3,4}?

138. Math

A movie theater sold 3 adult tickets for every 5 children tickets. They sold 180 more children tickets than adult tickets. How many children tickets were sold and how many adult tickets were sold?

139. Trigonometry

The Consumer Product Safety Commission recommends that the base of a ladder should be set out 1 foot from a wall for every 4 feet of vertical rise. a. What angle will a ladder so situated make with the ground? b. If Joe follows these recommendations, how

140. maths

1kg of rice seed is needed for a rectangular plot 25m long.How much seed would be needed for a similar plot which is 100m long

141. maths

The diameter of a sphere is three times that of another sphere.How many times greater is its surface area

142. Math

Deposit \$5 weekly in 40 yrs what is the balance