# Questions Asked onMarch 30, 2014

1. ## educational technology

Which of the following sentences best describes the Progressive Era? (1 point) It was a period in which many social reforms occurred. It was a period of unchecked abuses by big business. It was a period of civil war and the end of slavery. It was a period

2. ## Math

A glass box shaped like a rectangular prism has with 7 inches length 9 inches height 12 inches is being shipped in a larger box with whipped 10 inches length 10 inches in height 15 inches the space between the glass box on the shipping box will with

3. ## Math

your class is conducting an experiment to study geometric sequences. The class forms a line. the first person takes a whole pizza,divides it in half, keeps half, and hands it to the next person. The next people in line do the same with there peices. Which

4. ## Calculus Help Please!!!

Two carts, A and B, are connected by a rope 39 ft long that passes over a pulley P (see the figure). The point Q is on the floor h = 12 ft directly beneath P and between the carts. Cart A is being pulled away from Q at a speed of 3.5 ft/s. How fast is cart

5. ## physics

a ball is dropped from the top on an 80-m high building. what speed does the ball have in falling 3.5 s?

6. ## Calculus Help Please!!!

Compute Δy and dy for the given values of x and dx = Δx. (Round your answers to three decimal places.) y = 3x − x^2, x = 3, Δx = −0.6 Δy=???

7. ## physics

modern oil tankers weigh more than a half-million tons and have lengths of up to one-fourth mile. Such massive ships require a distance of 5.0 km (about 3.0 mi) and a time of 20 min to come to a stop from a top speed of 30 km/h. What is the magnitude of a

8. ## Physics

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is

9. ## Physics

A 1230 -kg car is pushing an out-of-gear 2180 -kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push horizontally against the ground with a force of 4420N . The rolling friction of the car can be

10. ## physics

A water tank is filled to a depth of 10 m and the tank is 20 m above ground. The water pressure at ground level in a hose 2 cm in diameter is closest to: A) 3.9 × 105 N/m2 B) 2.0 × 104 N/m2 C) 9.2 N/m2 D) The cross-sectional area of the tank is needed.

11. ## physics

a student drops an object out the window of the top floor of a high-rise dormitory a) neglecting air resistance, how fast is the object traveling when it strikes the ground at the end of 3.0 s? express the speed in mi/h for a familiar comparison, b) how

12. ## Chemistry

A reaction A(aq)+B(aq)C(aq) has a standard free-energy change of –3.35 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively?

13. ## Chemistry

Determine the entropy change when 7.40 mol of HCl(l) boils at atmospheric pressure. I already have the delta Sfus(12.5 J/Kmol) and delta Svap(93.2 J/Kmol), I just cant seem to figure out the last part.

14. ## Trig

On the same set of axes, sketch and label the graphs of the equations y = cos 2x and y = –2 sin x in the interval 0 ≤ x ≤ 2π. How many values of x in the interval 0 ≤ x ≤ 2π satisfy the equation –2 sin x – cos 2x = 3? A.1 B.2 C.3 D.4 E.0

15. ## physics

two objects attract each other gravitationally with a force of 2.5^-10N.when they are 0.25m apart. Their total mass is 4.00kg. Find the individual mass?

16. ## educational technology

2. Which of the following statements about the women’s suffrage movement is most accurate? (1 point) Women received the vote with little effort or opposition. Suffragists’ main strategy was the use of political cartoons. The women’s suffrage movement

17. ## Math

Katie makes 70% of her free throws. How many consecutive shots would she have to make to reach 75%

18. ## Calculus Help Please!!!

The circumference of a sphere was measured to be 80 cm with a possible error of 0.5 cm. 1) Use differentials to estimate the maximum error in the calculated volume. (Round your answer to the nearest integer.) 2) What is the relative error? (Round your

19. ## Calculus Help Please!!!

Verify the given linear approximation at a = 0. Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answers to three decimal places.) ln(1 + x) ≈ x xE

20. ## health

Thirty minutes of physical activity a day can improve your family and can help to bring you closer together Answer Are True False Thank You

21. ## Statistic

consider caleb the basketball player. In a game, he shoots 10 free throws. In the year, he makes 70% of his free throws. Is this a binomial setting? Fully explain your response.

22. ## educational technology

What is the purpose of a concept map? (1 point) to map out the best means of getting between two points to add shapes and images in Microsoft PowerPoint to display photographs more effectively in PowerPoint to organize information visually around a central

23. ## Calculus Help Please!!!

A water trough is 5 m long and has a cross-section in the shape of an isosceles trapezoid that is 30 cm wide at the bottom, 70 cm wide at the top, and has height 40 cm. If the trough is being filled with water at the rate of 0.1 m3/min how fast is the

24. ## physics

a glass lens has a convex surface with a radius 25.0 cm and a concave surface with radius 50.0 cm with the glass refraction = 1.51 calculate the focal length

25. ## health

If you do not experience some pain from your workout you are probably wasting your time Answer Are Myth Fact Thank You

26. ## Algebra

One month Ivanna rented 5 movies and 3 video games for a total of \$29. The next month she rented 2 movies and 12 video games for a total of \$71. Find the rental cost for each movie and each video game. Rental cost for each movie? Rental cost for each

27. ## Algebra

In a recent year, 16.3% of all registered doctors were female. If there were 47,600 female registered doctors that year, what was the total number of registered doctors? Round your answer to the nearest whole number.

28. ## physics

a race car traveling northward on a straight, level track at a constant speed travels 0.750 km in 20.0 s. the return trip over the same track is made in 25.0 s. a) what is the average velocity if the car in m/s for the first leg of the run? b) what is the

29. ## educational technology

Which of the following sentences best describes the Progressive Era? (1 point) It was a period in which many social reforms occurred. It was a period of unchecked abuses by big business. It was a period of civil war and the end of slavery. It was a period

30. ## Physics

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is

31. ## math

2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

32. ## Calculus Help Please

Use a linear approximation (or differentials) to estimate the given number. (1.999)^4

33. ## Calculus Help

Use differentials to estimate the amount of paint needed to apply a coat of paint 0.03 cm thick to a hemispherical dome with diameter 54 m. (Round your answer to two decimal places.)

34. ## Algebra

Rewrite the equation in Ax+By=C form. Use integers for A, B, and C. y-5=-5(x-2)

35. ## Algebra

the longer legs of a right triangle is 20 cm more than twice the length of the shorter leg. The length of the hypotenuse is 22 cm more than twice the length of the shorter leg. Find the side lengths of the triangle

36. ## Trig

If 0 ≤ x ≤ 2π, which equation is a line of symmetry for the graph of y = cos x? x = 0 x = 2π x = π y = 0

37. ## educational technology

What is the purpose of inserting SmartArt in a Microsoft Office program? (1 point) SmartArt enhances images and photographs by accenting them with colors and shading. SmartArt offers different ways of visually presenting information, using shapes arranged

38. ## calcules

The price of beef in the United States has been found to depend on the demand (measured by per capita consumption) according to the equation q=342.5/p^0.5314 Find the elasticity. Is the demand for beef elastic or inelastic?

39. ## math

In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

40. ## math

You have a large container of olive oil. You have used 22 1/2 quarts of oil. Twenty-five percent of the olive oil remains. How many quarts of olive oil remain?

41. ## science

If 1,2,3,4 moles of H3po4, nah2po4, na2hpo4, and na3po4 are mixed in an aqueous solution.find the pH. Ka1=10^-3, Ka2=10^-7, ka3= 10^-13

42. ## math

2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

43. ## math

In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

44. ## college algebra

perform the indicated computation. write the answer in scientific notation (2x10^)(3.5x10^)

45. ## Physics

I need immediate help on these questions:. 2.a small plastic ball with a mass of 0.005kg is suspended from a thread and hangs in equilibrium as shown in the drawing below when a small rod with a 2 uC charge is brought to within 3mm of the ball a)find the

46. ## math

The chef has 25 pounds of strip loin. The trim loss on the strip loin is 35% amd the cooking loss is 80% of the trimmed weight. How many pounds of trimmed, cooked strip loin will the chef have left to serve to his customers?

asked by Peyton Payumo
47. ## physics

a car travels on a straight road. a) starting from rest, the car is going 44 ft/s (30 mi/h) at the end of 5.0 s. What is the car's average acceleration in ft/s^2 b) in 4.0 more seconds, the car is going 88 ft/s (60 mi/h). what is the car's average

48. ## physics

a 1000 kg sports car accelerates from 0-30 m/s in 5.0 s. What is tge average power delivered by the automobile engine?

49. ## physics

a 1500 kg car moving at 20 m/s strikes a truck waiting at a traffic light, hooking the bumpers. The two continue to move together at 10 m/s. What was the mass of the truck?

50. ## physics

Two positive charges of 12 µC and 8 µC respectively are 10 cm apart. Find the work done in bringing them 4 cm closer, so that, they are 6 cm apart..

51. ## Science

1. Rewrite the word equation as formula equation: Aluminum + copper (II) chloride= aluminum chloride + copper 2. What is not equal in these chemical formula equations: a.) magnesium + oxygen = magnesium oxide B.) water = hydrogen + oxygen c.)methanol

52. ## math

construct a triangle PQR in which angle Q = 60 degree , angle R = 75 degree and the sum of three sides is 12 cm

53. ## Math

A serving of ice cream contains 1200 calories. One hundred forty-four calories come from fat. What percent of the total calories come from fat???

asked by Mary Alexander
54. ## Physical Science 9

what part of the carbon process is responsible for the release of carbon at a p[power plant combustion photosynthesis digestion decomposition my answer is a combustion

55. ## CALC 2

B. 2 students are sharing a loaf of bread. Student A eats 2/3 of the loaf, then student B eats half of what remains, then student A eats 2/3 of what remains, then student B eats half of what remains, and so on. How much of the loaf will each student eat?

56. ## statistic

here are five seniors in a class, for each situation, write how the binomial formula is used to calculate the probability. a) In how many ways can you choose one senior to represent the group? b) In how many ways can you choose two seniors to represent the

57. ## science (check!)

which of the following would be most likely to lead to increased biodiversity? . My answer: National park planning (though I kind of have the answer of farming in thought too)

58. ## physics

a cannon with mass of 2,000 kg fires a 10 kg shell with a velocity of 200 m/s at an angle of 60 degrees above the horizontal. What is the recoil velocity of the cannon across the level ground?

59. ## statistics

If boys and girls are equally likely to be born, what is the probability that in a randomly selected family of 6 children, there will be at least one boy? (Find the answer using a formula. Round your answer to three decimal places.)

60. ## Calculus Help Please!!!

Verify the given linear approximation at a = 0. Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answers to three decimal places.) fourth root of (1 + 2x)≈

61. ## Chemistry

A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by ATP(aq)+H20(l)-->ADP(aq)+HPO4^2-(aq) for which

62. ## English

Embed a quotation from an interview that you conducted. " I suggest that you study hard in college, but get a job too. Jobs teach much more than a school ever does." Workman, Tom. Personal Interview. 25 Feb. 2007.

63. ## Physic

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is

64. ## ENGLISH 9R - HELP!!!!

acrostic poem for the word pagan

65. ## physics

The mass of a vehicle is 4.25 tones concentrate 1.25 meters behind the front wheels what is the force required to jack up the rear wheels?

66. ## algebra

A certain car's cooling system has an 8-qt capacity and is filled with a mixture that is 30% alcohol. How much of this mixture must be drained off and replaced with pure alcohol if the solution is to be 50% alcohol?

67. ## Physics 112

A battery is connected in series with a R = 0.26 Ω resistor and an inductor, as shown in the figure below. The switch is closed at t = 0. The time constant of the circuit is τ = 0.10 s, and the maximum current in the circuit is I = 8.4 A. Find the

asked by juan p
68. ## phyics

A system does 3.7 × 104 J of work, and 8.5 × 104 J of heat flows into the system during the process. Find the change in the internal energy of the system.

69. ## Physics

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is

70. ## microeconomics

Market demand is given as QD = 200 – 3P. Market supply is given as QS = 2P + 100. Each identical firm has MC = 0.5Q and ATC = 0.25Q. What quantity of output will a typical firm produce? a.10 b.20 c.30 d.40

71. ## physics

A uniform magnetic field makes an angle of 30 degrees with the axis of a circular loop of 300 turns and radius of 4 cm. The magnetic field changes at a rate of 85 T/s. Determine the magnitude of the induced emf in the loop.

72. ## Math

Find the number of elements in A1∪A2∪A3, supposing that there are 103 elements in A1, 992 elements in A2, 10011 elements in A3, in each of the following situations: (a) The sets are pairwise disjoint, that is, no pair has common elements, that is, the

73. ## algebra 2

what is the 10th term of the sequence -62, -47, -32, -7, -2

74. ## health

About how many teenagers are in and out alcoholics Answer Are One million Two million Three million Half a million Thanks

75. ## intermediate accounting

in 2011 hardin company had 220000 shares \$10 par common stock, march 1 issued 45000 shares at \$22, June 1 issued 15% stack dividend, July 1 issued 10000 at \$27, Aug 31 2-for-1 stock split reduce par \$5, determine the weighted average number of shares based

76. ## Physics

Consider an isolated system consisting of two masses, each of which has a velocity vector in two dimensions. When these two masses collide the total momentum of the system is conserved. (a) Show that if the total momentum of the system is conserved then

77. ## ashford

The nerve center of the American Presidency is 1 the President’s Cabinet. 2 the Executive Office of the President. 3 the Congressional houses. 4 the Civil Service.

78. ## math

A salmon has to swim 25 miles upstream. It seems 7 miles each day and drifts 5 miles at night. How many days does it take for the salmon to first reach the 25 mile mark?)

79. ## Math

In a survey of 280 college students, it is found that 67 like brussels sprouts, 93 like broccoli, 60 like cauliflower, 26 like both brussels sprouts and broccoli, 21 like both brussels sprouts and cauliflower, 20 like both broccoli and cauliflower, and 10

80. ## engineering

A certain amount of radioisotope (986.8 x 10-9 kg) is used to make the dial of a watch glow in the dark. If the half-life of this isotope is 3.69 x 103 years, how many kilograms of the radioisotope will disappear while the watch is in use for fifty years?

81. ## Physics

Two pucks with similar masses collide with each other over a nearly frictionless surface. At the moment of collision, a sharp knocking sound is produced. Is this collision elastic or inelastic? Explain.

82. ## Math

The height of an elephant is a scale drawing is 4cm. The scale in the drawing is 1 cm to 50 in. What is the actual height of the elephant?

83. ## Math

Jason drew two circles. the diameter of the larger circle is twice the diameter of the smaller circle. What is the ratio of the circumference of the smaller circle to the circumference of the larger circle?

84. ## algebra

Express the statement as a formula that involves the variables w, z, u and a constant of proportionality k, and then determine the value of k from the condition : w varies directly as z and inversely as the square root of u, if z = 3 and u = 4, then w = 18

85. ## Math

The ratio of the number of boys to the number of girls in Mr. Brown's class is 5:4. Which of the following can be calculated using the information given? A. The number of girls in Mr. Brown's class B. The number of boys in Mr. Brown's class C. The ratio of

86. ## chemistry

what is a complete and incomplete combustion reaction ??

87. ## Physics

Two identical pucks are set on a collision course on an air table. After the collision, puck A has a final velocity of 5.00cm/s at an angle of 28 degrees from the vertical and puck B has a final velocity of 4.00cm/s at an angle of 32 degrees from the

88. ## Chemisty

When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced. MO2(s)M(s)+O2(g) DeltaS= 287.5 kJ/mol When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous. What is the

89. ## Math

Michael has a science project due. He knew that it would take him 4 hours to complete the project. He needed to spend 50% of his time on his experiment, 40% of his time on his analysis, and 10% on putting his project together. What is the ratio of time

90. ## english

embed a portion of the following qoute by writing your own introductory phrase and properly citing your source at the end of the sentence. "If you are considering a career in law, English is actually one of the best majors to consider as an undergraduate.

91. ## math

Find the distance between points (1, 6) and (2, 3) to the nearest tenth.

92. ## THE PARTS OF SPEECH

Write the verb "see" in the present perfect tense. Use the pronoun "I" as the subject. A. I am seeing. B. I have seen. C. I see. D. I am seen. I think the answer is (C) but i'm not sure if that is right. thanks

93. ## Math

The population of some countries has a relative growth rate of 2.75% per year. At this rate, how many years (to the nearest tenth of a year) will it take the population to double?

94. ## physic

why is it physically reasonable to expect that two identical parallel plate capacitors that are placed in series ought to have half the capacitance as one capacitor

95. ## chemistry

What is the change in the internal energy of the system when 1.243 mol of NH 3(g) is formed from N 2(g) and H 2(g) at 25 degrees C and 1.0 atm?

96. ## Physic

Capacitors in parallel: Give as clear as explanation as possible as to why it is physically reasonable to expect that two identical parallel plate capacitors are placed in parallel ought to have twice the capacitance as one capacitor.

97. ## Statistics

I need assistance in calculating the mean and standard deviation from data collected using 2 surveys, strongly agree, agree, neutral, disagree, strongly disagree. Can someone help please? Need the raw data also.

98. ## Physics

PLEASE HELP! DUE TOMORROW! In a warehouse crates are placed at the top of a ramp and an employee has to slowly (at a constant velocity) lower them down the ramp. Initially the crates are stationary so the employee needs to start them moving by pulling on

asked by Jaime White
99. ## algebra

Lizeth noticed that her grandparents’ birth dates have an unusual property. Her grandmother was born 5- 31-36, and her grandfather was born 9-25-34. Furthermore, her great-grandfather 7-17-14. How many birth dates in a century have this property, in

100. ## Math

The Look Alike Doll Company makes dolls that resemble people. Pam's mom is having a doll made to look alike Pam. Pam is 5 feet tall. The doll will be 2 1/2 feet tall. What is the ratio of the doll's height to Pam's height?

101. ## Math

In Mrs. Julie's classroom the ratio of boys to girls is 12 to 8. If the entire elementary school has a population of 400 students, how many would you expect to be girls?

CAN ANYONE DIRECT ME HOW TO EXTRACT A BUSINESS RULE AND RELATIONSHIP FROM THIS PARAGRAPH.? *I KNOW ITS MANY TO MANY RELATIONSHIP. BUT I STILL HAVE PROBLEM TO COMPLETELY BREAK THE RELATIONSHIP DOWN TO ONE TO MANY. PARAGRAPH: Students will also be required

103. ## math

The two fractions below cannot be simplified as they are, but if you switch the numerators, they can be simplified. What property allows us to do this? 2/3 x 3/8

104. ## Physics

It's called Mike's Online Biology: MOB University. Click physics Tutoring tab -> chapter 9 -> scroll down to question #13 with video below it. I used it as a guide.

asked by Renee (FOR DAMON)
105. ## math

A piece of rope is in the shape of a 12ft. by 16ft. rectangle. The same rope is then shaped into a square. What is the area of square?

106. ## Math

Four times a number, diminished by 6, yields the same result as twice the same number increased by 4. Find the number.

107. ## Physic

What is the net charge on a capacitor in a circuit ? Is it ever possible for the charge on one conductor to be different than the charge on the other conductor? Explain.

108. ## physic

Physicists claim that charge never flows through an ideal capacitor. Yet when an uncharged capacitor is first placed in series with a resistor and a battery, then current flows through the battery and the resistor. Explain how this is possible.

109. ## physics

Imagine having an 80-turn coil with radius of 5.0 cm and resistance of 30 Ù. At what rate must a perpendicular magnetic field change to produce a current of 4.0 A?

110. ## US government

over time _____ has gained power at the expense of ____.

111. ## sociology

The question about who has the right to vote is a matter of ______________ justice. (Points : 1) Retributive Distributive Transformative Corrective My answer retributive Which of the following is a matter of controversy for egalitarians? (Points : 1)

asked by can you check my answers
112. ## more proofreading.

this is another body paragraph to my research paper. can I get this one proofread as well thanks! Both Japan and the United States protect freedoms of speech and press by similar provisions in each nation’s constitution. For example, the First Amendment

113. ## Math

The height of an elephant in a scale drawing is 4 cm. The scale in the drawing is 1 cm to 50 in. What is the actual height of the elephant. A. 200 in B. 400 in C. 53.5 in D. 25 in

114. ## Environmental Science

Coal combustion can affect aquatic (freshwater) or marine (saltwater) organisms in different ways. Describe each step involved in one such way, from combustion to the effect(s) on one or more species. Which environmental sphere(s) is involved in each step,

115. ## Math (check answer)

find [7] A.1/7 B.-7 C.7 D.0 i pick 7.

116. ## Proofreading..Jrn Law

Hi can someone please proofread this body paragraph of my research paper.. it's contrasting the 'fault standards' between Japan and the US In the United States, fault standard depends on the fame or notoriety of the plaintiff. A plaintiff who is a public

117. ## social studies

What did the Ottomans demand from the Treaty of Sevres and Lausanne ?

118. ## science

Describe how amorphus solids melt and give one example of your own

asked by alexis greyson
119. ## US history

True False The divorce rate in America declined in the 1920s. false right? All of the following were anti-modern reactions except A.fundamentalism B. Ku Klux Klan C. cultural anthropology D. arts and crafts movement E. prohibition F. None of the above Is

120. ## Math

What is the maximum value of the function y= 18/x^2-9 over the interval -3

121. ## law/jrnalism

In Japan, loss of face is as important as loss of personal reputation, but there have not been many libel or slander suits, as compared with the United States. What does loss of face mean?

122. ## Computer Science

Can global user use the windows 7 operating system? What are 5 things that would need to be changed for global users to use windows operating system?

123. ## Math

for the function y=-(1)/(x-3/4) describe the intervals where the slope is increasing and where its decreasing

124. ## physics

Given the atmospheric pressure is 10 5pa what is a gauge pressure of 0.55 mpa equal to?

125. ## chemistry

List the following in order of increasing force of attraction 1. an electron in the outer shell of carbon atom (in the ground state level) 1.1*10^(-10)m a part from nucleus. 2.an electron in the outer shell of oxegen atom (in the ground state level)

126. ## Math 110

Write 278 as a product of prime numbers. Multiply 28x72 using lattice method.

127. ## algreba

x+y=6 x-y=4 -2x+3y=5 2x-y=1

128. ## health care

what is determinants of respiration?

129. ## Math 110 UOP

Multiply 28x72 using lattice method. Find the Pythagorean triple from the given generators p=5 and q=4.

130. ## algebra

x - 1 = x + 5 5 15