# Questions Asked onFebruary 27, 2014

1. ## Help me with this math ms sue.

Multiple Choice 1. Calculate the slant height for the given cone. Round to the nearest tenth. cone (1 point) 10.2 cm 11.4 cm 9.8 cm 12.0 cm 2. Calculate the slant height for the given cone. Round to the nearest tenth. cone (1 point) 11.2 cm 12.5 cm 14.8 cm

2. ## science

1. Which statement is true about the following molecule? (1 point)The molecule is composed of four atoms.The molecule contains oxygen atoms.The molecule is water.The molecule represents an element. 2. A(n) _____________ is made up of two or more different

3. ## Science

#1. Kilometers per hour describes the speed of an object. ture false **** #2. Which of the following reference points would allow you to observe the speed of a car that you are traveling in? a) an airplane flying across the sky b) a car traveling next to

4. ## Cyber safety

What is the grooming process as it relates to online predators? a.) the process by which online predators lure in minors to get them close enough to hurt them b.) the process by which online predators are trained c.) the process by which a cyber bully

5. ## science

1. What is the half-life of Strontium-90? Explain your answer. Honestly I don't know how to get this answer. I've looked it up and stuff, but I just found the answer not how to know what it is. A link or explanation would be greatly appreciated. Thanks.

6. ## probability

consider a sequence of independent tosses of a biased coin at times k=0,1,2,…,n. On each toss, the probability of Heads is p, and the probability of Tails is 1−p. A reward of one unit is given at time k, for k∈{1,2,…,n}, if the toss at time k

7. ## probability

Consider 10 independent tosses of a biased coin with the probability of Heads at each toss equal to p, where 0

8. ## social studies

1.Which word best describes modern life for japanese teenagers such as Asuka? A. relaxed B. crowded C. isolated D. traditional 2. Tropical storms often hit Japan during the ________. summer winter spring fall 3. Which of Japan's islands has the largest

9. ## HELP ONLY ONE QUESTION!!!!!!!!!!!! HELP ASAP ASAP!

What is a cyber community, and when am I a part of it?

10. ## probability

We have two fair three-sided dice, indexed by i=1,2. Each die has sides labelled 1, 2, and 3. We roll the two dice independently, one roll for each die. For i=1,2, let the random variable Xi represent the result of the ith die, so that Xi is uniformly

11. ## Chemistry

Use standard enthalpies of formation to determine ΔHorxnfor: 3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g) -133.5 = Delta H Find the change in internal energy for this reactioion.. ???? In KJ

12. ## math

Calculate (a) the total installment price, (b) the carrying charges, and (c) the number of months needed to save the money at the monthly rate to buy the item below for its cash price (remember to round up). A bicycle with a cash price of \$500, offered on

13. ## probability

The random variables X and Y have the joint PMF pX,Y(x,y)={c⋅(x+y)2,0,if x∈{1,2,4} and y∈{1,3},otherwise. All answers in this problem should be numerical. Find the value of the constant c. c= Find P(Y

14. ## Chemistry

Urea (NH2)2CO is prepared by reacting ammonia with carbon dioxide. The byproduct is water. 637.2g of ammonia are reacted with 787.3 g of carbon dioxide. a. Which of the two reactants is a limiting reactant? Show your calculations (including the correctly

15. ## english

18. How does the narrator in Ernest Hemingway's short story "In Another Country" view himself in comparison to the other soldiers? (1 point) a)He thinks he is not as brave as they are. b)He senses he is not treated as well as they are. c)He feels he does

16. ## trig

From the foot of a building i have to look upwards at an angle of 22 degrees to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50 degrees to look at the top of the tree.

17. ## Physics

An aeroplane moving horizontally at 150m/s releases a bomb at a hight of 150m.The bomb hits the intended target.What is the horizontal distance of the plane from the target when the bomb was released?

A local Barnes and Noble paid a \$79.33 net price for each calculus textbook. The publisher offered a 10% trade discount. What was the publisher’s list price? (Round your answer to the nearest cent.)

#1. Kilometers per hour describes the speed of an object. ture false **** #2. Which of the following reference points would allow you to observe the speed of a car that you are traveling in? a) an airplane flying across the sky b) a car traveling next to

20. ## Chem

What is the oxidation half-reaction for Mg(s)+ZnCL2(aq)>MgCL2(aq)+Zn(s)?

21. ## Algebra

For a given two-digit number, the second digit is 2 more than 5 times the first digit. Also, 5 times the first digit is 3 more than the second digit. Find the two-digit number,

22. ## Chemistry (Thermodynamics)

Write a balanced equation for the complete combustion of 1 mole of ethyne gas (C2H2) ?

23. ## Physics

A ball is fastened to one end of a 30cm string, and the other end is held fixed to a support. the ball whirls in a horizontal circle. Find the speed of the ball in its circular path if the string makes an angle of 30 degrees to the vertical.

24. ## math

Compute the number of vinyl tiles, measuring 28 inches on each side, needed to tile a kitchen measuring 102 ft. by 18 ft.

25. ## english

16. In the beginning, modernist writers were mainly reacting to the (1 point) a)horrors of slavery. b)violence of World War I. c)unequal treatment of women. d)effects of industrialism on nature.

26. ## ss --- one question pls help!

pls help!!! What kept the price of cotton high in the years before 1860? a. cotton gin b. demand in Great Britain c. slavery d. large plantations I origionally thaught it was a. cotton gin, but after research, it looks like it was b. demand in GB my

27. ## Chemistry

If 507 g FeCL2 were used up in the reaction FeCL2 + 2NaOH > Fe(OH)@(s) + 2NaCL, how many grams of Fe(OH)2 would be formed?

28. ## math

24. two stores carry a similar stereo for the same original price of \$573. one store offers a 16% discount and the second store sells the stereo for 458.40. which store gives the bigger percent discount? Justify your answer. ( 4 points)

29. ## Math

I have a drawer which contains 40 socks in the following numbers and colors: 12 tan, 9 brown, 11 gray, and 8 blue. Suppose I am blindfolded. What is the fewest number of socks I must pick from the drawer to be absolutely certain that I have two socks of

30. ## english

28. Which of the following is an example of an internal conflict? (1 point) A)Joel sees a friend cheat on a test and must decide whether or not to tell. B)Sophie takes a carpentry course, and the male instructor is rude and unhelpful. C)Kylie rescues an

31. ## Physics

An athlete with a mass of 62 kg jumps and lands on the ground on his feet. Th e ground exerts a total force of 1.1 x 10 ^ 3 N [backward 55°up] on his feet. Calculate the acceleration of the athlete.

32. ## Algebra 2

1.) The cost in C dollars of manufacturing x bicycles at Holliday's Production Plant is given by the function C(x) = 2x2 - 800x + 92,000. Find the minimum cost. 2.) The vertex of y = -3x2- 6x - 9 lies in which quadrant? 3.) Given f(x) = 1/3*(x - 4 )2 + 7.

33. ## math

using a ruler and a pair of compass only construct a quadrilateral PQRS, given that PQ=5 CM, angle PQS=30 degree, angle QPS=105 degree, PR=9 cm and RS=RQ.measure angle QRS and RS -

34. ## P.E check my answers

1.Select the community activity that is a healthy choice to promote fitness for all ages A.annual 5K fun run for charity

35. ## Physics

Jack rides his skateboard a total distance of 120 m in 20 sec. What was his speed? 5 seconds after he started Jack was at a distance of 30 meters. 10 seconds after he started he was at a distance of 70 meters. What was Jack’s speed from time = 5 sec to

36. ## probability

The random variables X and Y have the joint PMF pX,Y(x,y)={c⋅(x+y)2,0,if x∈{1,2,4} and y∈{1,3},otherwise. All answers in this problem should be numerical. Find the value of the constant c. c=

37. ## physics

highway curve in northern Minnesota has a radius of 230 m. The curve is banked so that a car traveling at 21 m/s and will not skid sideways, even if the curve is coated with a frictionless glaze of ice. At what angle to the horizontal is the curve banked?

38. ## Math

Ms. Fisher is using 64 carpet tiles to make a reading area in her classroom. Each tile is square that measures 1 foot by 1 foot. What is.the length and width of the rectangular area she can make with the smallest possible perimeter?

39. ## english

26. In medias res means that a story begins __________ of a storyline. (1 point) A)at the beginning B)in the middle C)at the end D)at the climax i think its b

40. ## Algebra 1 (Reiny)

José is making fruit-filled tart shells for a party. He has 72 raspberries and 108 blueberries. He wants the same number of each type of fruit in each tart. If he puts the greatest possible number of fruits in each tart, how many tarts can he make?

41. ## physics

Two identical small insulating balls are suspended by separate 0.17 m threads that are attached to a common point on the ceiling. Each ball has a mass of 7.40 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical

42. ## SCIENCE

14. under which of the following circumstances do neap tides occur? ( 1point ) A. during the new moon phrase b. when the sun’s pull is in the same direction as the moon’s pull c when the sun’s pull is at a right angle to the moon’s pull d. during

43. ## english

27. What two things is F. Scott Fitzgerald comparing metaphorically by choosing "Babylon Revisited" as the title of his story? (1 point) A)an ancient, ruined city and Charlie's former life of excess B)a place of peace and harmony and Charlie's previous

44. ## Chemistry

The speed limit on a certain highway is 72km/h. What is the speed in cm/s? Could you go through each step on how to get the answer? Lots of the questions are like this one, but I don't know how to do them.

45. ## physics

A 4 kg block is pushed by an external force against a spring with spring constant 137 N/m until the spring is compressed by 2.1 m from its uncompressed length (x = 0). The block rests on a horizontal plane that has a coefficient of kinetic friction of 0.58

46. ## math algebra

Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 115 miles per hour. The westbound train travels at 95 miles per hour. How long will it take for the two trains to be 504 miles apart?

47. ## English

Identify each preposition and each prepostitional phrase. 1. Salt Lake City, Utah's capital and largest city, was founded in 1847. (in 1847 is the prepositional phrase.) 2. Janice and Carla spent the day at the mall. prespostition is mall, don't see a

48. ## consumer math

You (or your parents) purchase a used car for \$15,876.00 plus 5.25% sales tax. The down payment is 10% of the total cost and you ( or your parents ) have an excellent credit rating. What is your principal balance at the start of the loan?

49. ## english

26. In medias res means that a story begins __________ of a storyline. (1 point)at the beginning in the middle at the end at the climax

50. ## probability

Given that there were 4 Heads in the first 7 tosses, find the probability that the 2nd Heads occurred at the 4th toss. Give a numerical answer.

51. ## Math

Leah is buying curtains for her bedroom window. She wants the curtains to hang from the top of the window to the floor. The window is 4 feet high. The bottom of the window is 2 1/2 feet above the floor. What curtain length should Leah buy? a) 72 inches b)

52. ## Statistics

Let X be a binomial random variable with n = 100 and p = 0.2. Find approximations to these probabilities. (Round your answers to four decimal places.) P(17 < X < 28) I get the answer as 0.7059 but it is wrong. I can't seem to figure this out... Help please

53. ## chemistry

what volume would 4.3 moles of hydrogen gas occupy at 45 degrees and 3.22 atm?

54. ## Social studies

Help me to write an acrostic about motion.

55. ## Algebra 1 (Reiny)

Samantha is making beaded necklaces using 54 glass beads and 18 clay beads. She wants each necklace to have the same number of beads, but each necklace will have only one type of bead. If Samantha puts the greatest possible number of beads on each

56. ## physics

Two identical small insulating balls are suspended by separate 0.17 m threads that are attached to a common point on the ceiling. Each ball has a mass of 7.40 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical

57. ## probability

Find the probability that there are 3 Heads in the first 4 tosses and 2 Heads in the last 3 tosses. Express your answer in terms of p using standard notation.

58. ## math

The inequality 10x + 20y > 500 models all of the combinations of scores of 10 and 20 points that will give a total greater than 500 points in a game. What is not true about the values for x and y?

59. ## Chemistry

Predict the standard cell potential and calculate the standard reaction Gibbs free energy for galvanic cells having the following cell reactions: a.)3Zn + 2Bi3+ = 3Zn2+ + 2Bi b.)2H2 + O2 = 2H20 in acidic solution c.)2H2 + O2 = 2H20 in basic solution

My problem: One runner in a relay race has a 1.50 s lead and is running at a constant speed of 3.25 m/s. The runner has 30.0 m to run before reaching the end of the track. A second runner moves in the same direction as the leader. What constant speed must

61. ## Chemistry

Calculate the standard reaction Gibbs free energy for the following cell reactions: a.)3Cr3+(aq) + Bi(s)= 3Cr2+(aq) + Bi3+(aq) with Ecell=-.61V b.)Mg(s) + 2H20(l)=Mg2+(aq)+H2(g)+2OH-(aq) with Ecell=2.36 V I know the formula. I just need help figuring out n

62. ## Physics.

A stationary 100-kg person is initially holding a 50-kg ball while standing on a skateboard. The person throws the ball to the right, and the ball moves (with respect to the ground) with a speed of 12 m/s. The person on the skateboard ____________. A.

63. ## Englilsh

Identify each preposition and each prepositional phrase. 1. The first street railway in the world was built in New York in 1832. preposition is in/ prepositional phrase is in New York in 1832. 2. The inventor of the telephone was born in Scotland.

64. ## Chemistry

Consider the following equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) are reacted completely. If 7.91×106g of Ti(s) is actually obtained, calculate the % yield.

65. ## Chemistry

Same with these: How do you do them? 1.)What is the mass at 20 degrees Celsius of 5 liters of air? 2.)What is the volume in liters of a kilogram of ice at 0 degrees Celsius? 3.)What is the mass of a bar of aluminum measuring 1.0cm by 1.0cm by 10.0cm?

66. ## math

what is the height of a solid with a volume of 120 m unit cubed and base area of 30 m squared?

67. ## English

Should colonel be capitalized in this sentence? My Uncle Charles is a colonel in the US Army. Should sergeant be capitalized in this sentence? The speaker at our assembly was sergeant Arlene M Hayes.

True Value received an invoice dated 4/28/12. The invoice had a \$5,700 balance that included \$600 freight. Terms were 5/10, 4/30, n/60. True Value pays the invoice on May 12. What amount does True Value pay?

69. ## math (algebra honors)

the edge of one cube is 2 cm shorter than the edge of a second cube. The volumes of the two cubes differ by 386cm^3. Find the edge of the smaller cube.

70. ## poem

how to write acrostic about motion pls help.

71. ## math

Which of the following best describes the equation below? y= -7x + 6 answers choices are: A. relation only B. neither a relation nor a function C. function only D. both a relation and a function

72. ## language arts

53. My mom went to the grocery store. She forgot her purse a. comma b. and c. or d. but e. because

73. ## math

what's the diffrence between 6z and z6?

74. ## Physics

When a falling firecracker explodes, the momenta of its pieces _______. A.vectorally add to equal the initial momentum of the firecracker B. are conserved only if the fragments eject in one direction C.illustrate a case in which momentum is not conserved

75. ## physics

A bullet of mass 0.45kg is fired from a gun of mass 9kg.the bullet moving with an initial velocity of 200m/s.find the intial backward velocity of the gun

76. ## math

the base of a solid right prism is a triangle whose sides are 9 cm,12cm,15cm. the height of the prism is 5 cm. then find the total surface area of the prism is?

77. ## Calculus Help

Let P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of this function in census years from 1950 to 2000. How would it be possible to get more accurate values for P'(t).

78. ## PHYSICAL SCIENCE

A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the average adult burns or expends about 0.45 Cal/h for every pound of body weight. How many Calories would a 179 lb person burn during 10 hours of sleep? (Note

79. ## calculus I

Find the dimension of the right circular cylinder of the largest volume that can inscribed in a Sphere of radius 10 units.

80. ## math

Help!!I need to understand how to estimate the sum or difference for fractions..2 and 2 thirds plus 3 fourths,1 and 7 eighths minus 1 and a half,and 3 and 9 tenths minus 1 and 2 fifths,please help,not good with math

81. ## AAU

Find the dimension of the right circular cylinder of the largest volume that can inscribed in a Sphere of radius 10 units.

82. ## Math

A rocket is launched into the sky on a windy day. The rocket has a vertical velocity of 15 m/s. There is a strong wind blowing east to west at 35 m/s. How far from the start point is the rocket after 60 seconds?

83. ## Math

A bus leaves a station at 8:00 am and averages 30 mi/h. Another bus leaves the same station following the same route two hours after the first and averages 50 mi/h. When will the second bus catch up with the first bus?

84. ## Geography

In general, the most materially advanced and developed countries are focused on extensive development of the ___________ sector of their economy. A. Secondary B. Tertiary C. Primary D. Quaternary I picked A, because the modern materially wealthy countries

85. ## Algebra 1

A circular pool has a diameter of 12 feet. The pool is 5 feet deep everywhere. How much water is needed to fill the pool?

My problem: A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the second half of the swim? My answer: 1.60 m/s to the south Please

88. ## complex fraction and unit rates

Ms.Smith is making costumes for the school play. Each costume requires 0.75 yard of fabric. How many costumes can Ms Smith make?

89. ## Social Studies (History)

What were the reasons for Prohibition and what were the results of the Prohibitions?

90. ## algebra word problem

A long distance runner starts at the beginning of a trail and runs at a rate of 5 miles per hour. One hour later, a cyclist starts at the beginning of the trail and travels at a rate of 13 miles per hour. What is the amount of time that the cyclist travels

91. ## math

Marco has 3/4 pint of hot chocolate He is pouring it into cups that each hold 3/8 pint. How many cups can he fill

92. ## math

35+50+25/5 X 5 - (8+11) = answer 25 (-16 + 20) x 6 / (6+2) + 31 = answer 34 3+2 (4+ 9 / 3) = answer 17 5 [48 / (12 + 4) ] - 16 = answer -14 1/2(-16-4) = answer -10

93. ## C++ Programming

create a class called DataSet. This class will have a default constructor that is empty, but an overloaded constructor that takes an integer argument and creates a vector with that many random numbers in it. For example, if I created: DataSet d1 = new

94. ## Physics

On a day when atmospheric pressure if 76cmHg, the pressure gauge on the tank reads the pressure inside to be 400cmHg. the gas in the tank has a temperature of 9 degrees celcuis. If the tank is heated to 31 degrees celcuis by the sun, and no gas exists,

95. ## Chemistry

Same with these: How do you do them? 1.)What is the mass at 20 degrees Celsius of 5 liters of air? 2.)What is the volume in liters of a kilogram of ice at 0 degrees Celsius? 3.)What is the mass of a bar of aluminum measuring 1.0cm by 1.0cm by 10.0cm?

Read the sentence below. Harry didn't know that his actions would affect so many people. He now regretted his choice. This is an example of ____________. A. first-person point of view

97. ## History

In January 1917, President Wilson outlined a "new world order" in which: a. freedom of the seas should be reevaluated as a vital American policy. b. the League of Nations should be replaced by the United Nations. c. self-determination would be the

98. ## physics

The rectangular coils in a 331 turn generator are 14 cm by 17 cm. What is the maximum emf produced by this generator when it rotates with an angular speed of 525 rpm in a magnetic field of 0.95 T?

1.Select the community activity that is a healthy choice to promote fitness for all ages A.annual 5K fun run for charity

100. ## complex fraction

A lawn company advertise that they can spread 7,500 square feet seed in 2.5 hours. Find the number of square feet of grass seed that can be spread per hour.

101. ## math

A tile border follows this pattern . How many tiles are in a 6 ft border ?

102. ## Math

The new highway will be a total of 54 mils long. Will the highway be finished in 8 months?

103. ## Algebra

Two apples and three pears cost \$3.45. Three apples and five pears cost \$5.55. Find the cost of each type of fruit.

104. ## Algebra

. Rachel has 15 coins with a value of \$2.85. If the coins are either dimes or quarters, how many of each coin does she have? Write and solve using a system of equations.

105. ## Math

Can we add 23 and 40 without regrouping? What is regrouping

106. ## URGENT! discrete math help please

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

107. ## English

Here are some quotes in Pride and Prejudice, can you help me to analyze it, remember to write it in your own words, I'm not good at analyzing, so... 1. It is a truth universally acknowledged, that a single man in possession of a good fortune, must be in

108. ## Algebra

Mary has a total of \$5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was \$331. Write and solve a system of equations to find out how much she has invested in both accounts.

109. ## Math

perimeter of a rectangular shap is 960 ft. The shortest side is 150ft. What is the length of the longest sides?

110. ## Math 102

A wholesaler buys plastic lamps for \$18 each and sells them for \$30.60. What is the percent markup based on cost

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

112. ## math

The equation of line AB is y = 2x + 4. Write an equation of a line parallel to line AB in slope-intercept form that contains point (3, -2).

113. ## Life sciences,geography,business studies,pure math

What career can I follow if I'm doing the following subjects?

114. ## engineering

Building and construction A. Architecture B. Engineering C. Nursing D. Statistics

115. ## math

The equation of line AB is (y-3) = 5 (x - 4). What is the slope of a line perpendicular to line AB?

116. ## Math

the smallest regulation golf ball has a volume of 2.48 cubic inches. if the diameter of the ball were increased by 10%, or a factor of 1.1, what will the volume of the golf ball be?

117. ## Algebra 2 Homework

1.) Identify the axis of symmetry. f(x) = x2 + 10x + 9 2.) Find the vertex for the parabola given below. f(x) = 3x2 + 12x + 16 3.) Find the quadratic function that includes each set of values. (1, 0), (2, 5), (4, 21) 4.) f(x) = -2x2 - 3x + 35 Is this

118. ## math

a 5% acid solution is mixed with a 9% acid solution. How many ounces of each solution are needed to obtain 40 ounces of a 6% solution?

119. ## english

In Ernest Hemingway An author's attitude toward a piece of work? Answers are,tone, voice, style thanks

120. ## Math

Please help me with this!! The actual length of the picnic table is 180cm with legs 60cm. What is the scale factor for this diagram?

121. ## us history

which statement accurately compares the information in the map with incidents in the french and Indian war? A. In both conflicts, the Native Americans allied against invasive settlers. B. In both conflicts, the Native Americans allied with colonial power.

122. ## government

Censorship of information before it is published called answers are, shield laws, sequester, prior restraint, thank you

123. ## math

Use 17 connecting cubes to make a kitchen model. Model is is the shape of rectangle and is one cube high. How many different ways to make the model?

124. ## math

The equation of line AB is y = 2x + 4. Write an equation of a line parallel to line AB in slope-intercept form that contains point?

125. ## Math ~ Check Answers ~ASAP

Select the numbers that divide exactly into 965, without a remainder. 2 ***** 4 ****** 5 ****** 10 100

126. ## Maths

If a plane travels halfway round the world at an altitude of 11300m, what extra distance in km, will it fly compared with the distance measured at the surface of the Earth? The radius of the earth is approximately 6400km

127. ## math help

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

128. ## Chemistry

If 25g of lead phosphate reacts with an excess of sodium nitrate, how many dreams of sodium phosphate is produced?

129. ## English

Standard time was adopted (in the United States) (in 1884.) prepositional phrases

130. ## Science

1. Which of these statements is TRUE? A.The nucleus gives the cell its shape. B. Chloroplasts make food for animal cells. C. Animal cells have many different shapes. D. A plant cell can become a blood cell. C

131. ## math. Somebody help urgently please

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

132. ## political science

what civil liberties are protected by the Georgia Constitution?

133. ## URGENT HELP WITH DISCRETE MATH PLEASE

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

134. ## Physics

What is the momentum of a 52-kg carton that slides at 5.0m/s across an icy surface?

135. ## math

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

136. ## calculus

Find the asymptote, interval of monotonicity, critical points, the local extreme points, intervals of concavity and inflection point of the following functions. Sketch the graph. f(x)= x^2-6x/(x+1)^2

137. ## math

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

138. ## Math (Geometry)

Give one example of how to solve for a missing side, given 1 side (59 ft) and 1 reference angle (35 degrees) solving with the variable in the numerator. Please help and show as much work as possible!

139. ## Economics Supply and Demand

The demand function is Q=600-P with P being the price paid by consumer. I know the first P is \$400 and Pnet is 160. There is 40% co insurance,. How do I figure out the quantity demanded? Our instructor said it was 440 but how do you get to that number?

140. ## English

Identify prepositions and prepositional phrases. The geographic center of the United States is in Kansas. Preposition is of/ prepositional phrase is in Kansas. Standard time was adopted in the United States in 1884. prepositions are in and in.

141. ## physics

A circular curve on a highway is designed for traffic moving at 27 m/s. The radius of the unbanked curve is 160 m. What is the minimum coefficient of friction between tires and the highway necessary to keep cars from sliding off the curve? Is the friction

142. ## math

If n=-8, what is the smallest perfect square that is greater than n^2 ? a. 64 b. -64 c. 81 d. -81 e. 16 please answer and explain

Total revenue is the total amount of money taken in by a business. An appliance firm determines that when it sells X washing machines, the total revenue, R, in dollars, is given by the polynomial R=232.94x-0.1x^2. What is the total revenue from the sale of

144. ## government

This prohibits government unduly interfering freedom of religion answers are, free exercise clause, sedition clause, precedent clause thanks

145. ## science

why did most scientists reject wegener's theory?

146. ## THE HOMEWORK IS DUE TODAY- HELP! HELP! PLEASE

There exist irrational numbers a and b so that a^b is rational. look at the numbers √2^√2 and (√2^√2)^√2 a) use similar idea to prove that there exists a rational number a and an irrational number b so that a^b is irrational b) prove that if

How can you tell the similarity between displacement and average velocity? It is for a part of a science problem. The lesson did not tell me how to do this. I have been stuck on that problem for a while. I also had my sister help me, and I looked things up

148. ## biology

Staphylococcal nuclease (Staph Nuc) is a heat-stable, potent secretory protein that cleaves dsDNA in vitro. You have a cloned the Staph Nuc gene on pBR322 plasmid and transferred into E. coli. You have named the chimeric plasmid pBR322 with the cloned

149. ## English

Where should the comma be placed in this sentence. The chameleons turning from tan to green became invisible,answers are. After turning, became, chameleons. Thanks

150. ## algebra

An airplane takes off from an airport and takes 6.5 hours to fly west (against the wind current) 2600 miles. The return trip (with the wind current) takes 5.2 hours. Find the airspeed and the wind speed.

151. ## science

Explain how the concentration of hydronium ions and hydroxide ions are related to pH.

152. ## government

Cases involving the decide the limits government power rights of individual answers are, statutory laws, administrative law, constitutional law

153. ## Algebra

A party planner can spend a maximum of \$5000 on food. If the chicken dinner (x) costs \$20 and the steak dinner (y) costs \$25, make a graph of the region that shows the possibilities for the number of chicken and steak dinners that can be purchased while

154. ## Physics

1. Two blocks on a frictionless horizontal surface are connected by a light string. where m1 = 6.21 kg and m2 = 19.5 kg. A force of 48.4 N 6.21kg --T-- 19.5kg ----->48.4 N The acceleration of gravity is 9.8 m/s^2. Find the acceleration of the system.

155. ## English

Can someone help me with these sentences? Which of them are grammatically correct? Thank you very much in advance. 1) They are not able to dance well. 2) They can't dance well 3) Are you able to play the piano? 4) Can you play the piano? 5) Were you able

156. ## Math

A line in coordinate plane contains the points P(2, -7) and Q(-4, -1). What point is the midpoint of PQ?

157. ## English

prepositional phrase The huddle(in football) was first used (by a team)(from Georgia Universtiy)(in 1896.)

158. ## Algebra 1 (Reiny)

In 2004, there were 35 color guard members in the Cavaliers and 40 in the Blue Devils. The two colors will march in rows with the same number of people in each row without mixing the guards together. If the greatest possible number of people are in each

159. ## algebra

Give am example of a function f.N N with the property that there exists a function g. N N such that the composition got is the identity function on N but for no function h. N N does it hold that fog is the identity function on N.Prove all claims

160. ## algebra

Provide one example to show how you can use the Expected Value computation to assess the fairness of a situation (probability experiment). Provide the detailed steps and calculations.

161. ## tgtgjghggh

girl is making pie with 3/4 cups of milk. she has six cups of milk. how many pies can she make with that amount of milk?

162. ## english

What is the function of the motif of fallen leaves in "Spring and Fall"? A. It promises renewal of the speaker's hopes. B. It points out the child's misunderstanding. C. It sets the autumn scene. D. It conveys a theme of loss and death.

163. ## Sensory writing

A student responded to my question last night, however help was not received. At any event, this was my question I struggle with sensory writing. We are to write a sense of place story based on what we saw at a site we were designated to go view.. Mine was

164. ## Calculus

q = f(p) = 10300e^−0.34p a) Find the number of products sold when the price of the product is \$5. (Round your answer to the nearest whole number.) Number of products sold: b) Find a formula for the rate of change in the number of products sold when the

165. ## SCIENCE

20 . referring to the following chart , describe how the height of the tides changes from monday to the thursday ￼

166. ## math

What is the length of the shortest side of the room if the area is 240 sq ft and the longest side of the room is 20 ft?

167. ## chemistry

A set of bookshelves rests on a hard floor surface on four legs, each having a cross-sectional dimension of 3.9 6.5 cm in contact with the floor. The total mass of the shelves plus the books stacked on them is 260. kg. Calculate the pressure in pascals

168. ## Algebra

Terry is mailing two boxes. Together they weigh 21 lbs. If the smaller box is 5 lbs. less than the larger one, how much does each box weigh? Write and solve an equation that models this scenario.

169. ## Chemistry

5.3g of magnesium reacts with excess HCI. How many liters of hydrogen gas will be produced?

170. ## math

35+50+25/5 X 5 - (8+11) = 25 (-16 + 20) x 6 / (6+2) + 31 = 34 3+2 (4+ 9 / 3) = 17 5 [48 / (12 + 4) ] - 16 = -14 1/2(-16-4) = -10

171. ## ethics

Peter Singer argues that giving money to famine relief is: a. Morally permissible. b. Morally forbidden. c. Morally required. d. Supererogatory. my answer is a

172. ## MATHS

The ratio of the number of adults to the number of children in an event hall was 5:7. (a)After 60 adults and 84 children entered the event hall and no one left the event hall, what was the ratio of the number of adults to the number of children in the

173. ## math

What would you do first to order the following numbers from least to greatest? 30%, 2/3, 0.67, 8/9, 0.7

174. ## English

Help with prepositional phrases Deposits(of iron ore) exist(near the western end)(of the Great Lakes.) Travelers (of a century ago) journeyed (by stagecoach.) The huge tower (of stone)(in Delhi)(in India) is a monument (to the skill)(of its builders)

175. ## math

calculate the nominal interest per annum if the effective rate was 11.4% p.a compounded half yearly for 5 years

176. ## probability

Let Y=X2. Calculate the following probabilities: P(Y=0)= P(Y=1)= P(Y=2)=

177. ## Physics

A 1.60 meter tall woman is standing at the bottom of a freshwater pool. If the bottom pool is 8.00 meters deep, what is the pressure difference between the woman's feet and the top of her head?

178. ## Biology

Staphylococcal nuclease (Staph Nuc) is a heat-stable, potent secretory protein that cleaves dsDNA in vitro. You have a cloned the Staph Nuc gene on pBR322 plasmid and transferred into E. coli. You have named the chimeric plasmid pBR322 with the cloned

179. ## ethics

Peter Singer argues that giving money to famine relief is: Answer a. Morally permissible. b. Morally forbidden. c. Morally required. d. Supererogatory. my answer is a

180. ## Biology

Organisms that assemble their own organic molecules from water and elements that they absorb from their environment are which of the following? Is this detritivore or decomposer? I am confused by these two. thanks

181. ## Algebra

The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.

182. ## Math

Robin has \$6.20 in nickels and quarters. If the nickels were quarters and the quarters were nickels, he would have \$3.20 more. How many quarters does Robin have?

183. ## math

A mother can make good cakes and pies. If she bakes 2 chocolate cakes and 1 apple pie, and then cuts them into 8 pieces each how many pieces would a family of 4 get altogether

184. ## physics

A car starts at rest then accelerates at a constant rate to 11.9 m/s in 10.0 seconds. It then slows to 1.5 m/s during the next 5.0 seconds. To the nearest hundredth of a m/s 2 , what is the average acceleration during the first 10.0 seconds?

185. ## Math

A line in coordinate plane contains the points P(2, -7) and Q(-4, -1). What point is the midpoint of PQ?

186. ## Math

The area of the rectangle is 33 square feet. If its width is 5 1/4 feet, find its

187. ## English

Prepositional phrase (In the distance,) we saw the top(of the snowcapped peak.)

188. ## Algebra 1

Write an expression for 87 more than 3 times the quantity x minus 1.

189. ## Algebra

2pi(x^2 + 4x + 4) + 2pi(x^2 + 7x + 10) How do I write this as a polynomial in standard form (by factoring out 2pi)?

190. ## Algebra

A music concert was attended by 450 people. Adult tickets sold for \$70 and children’s tickets for \$40. If total sales were \$27,750, how much of each ticket was sold?

191. ## Math

find the value of x in x^2-x-12=0

192. ## math

My mother has 4 children. The youngest is 3 and the oldest is 7. What is a reasonable total of all 4 childrens ages added together? a. 14 B. 10 C. 20 D. 25

193. ## Math

R&N is a new candy with magical (yet mathematical) properties. Not all candies are the same size. When removing the largest R&N from a new bag, the bag becomes 1/2 full; removing the second largest makes the bg 1/3 full; removing the third largest makes it

194. ## Ethics

According to Kant, we have no direct duties to animals because they lack personal attributes such as___________. my answer is all above could some one tell me if im correct. a. Rationality. b. Self-consciousness. c. Free will. d. All of the above.

195. ## BIOLOGY

Can an individual organism change its own genes?

Hi, can someone please tell me whether or not I have choose the correct answer for these three questions. 1. According to Gilligan, which of the following best describes male thinking? a. Males adopt a personal way of relating to moral issues. b. Males

197. ## english

is this an example of antithesis? I think it is because it has two contrasting ideas, but I am not 100% sure... "The problem isn't that we're eating the wrong things at these restaurants; the problem is that we are eating there at all."

198. ## Algebra help ASAP please

Simplify. 1. x^2 - 1/2x^2 - x - 1 2. x^2 - 16/x^2 - 6x + 8 3. 6x^2 + 4x/2x^2 + 4x My answers: 1. ??? 2. x+4/x-2 3. 3x?

199. ## English

Prepositional phrases The study (of geography) teaches us (about the features)(of other lands.) (At one time)Philadelphia was the capital (of the United States.) The report (of the secretary) was given (at the beginning)(of the meeting.) (In the glow)(of

200. ## physics

The acceleration of gravity on the surface of a planet is 17.34 m/s^2. What is the weight on Jupiter of a woman whose weight on Earth is 122 lb? (use 1 lb = 0.4536 kg where g = 9.8m/s^2) W_{woman} =

201. ## english

which word is correct I don't want (any,no) cereal for breakfast this morning.

202. ## algebra

An object 8.1 feet tall casts a shadow that is 24.3 feet long. How long in feet would the shadow be for an object which is 18.3 feet tall?

203. ## Math

state the smallest interval for 5 sin theta to produce a complete graph.

204. ## calculus

Find the asymptote, interval of monotonicity, critical points, the local extreme points, intervals of concavity and inflection point of the following functions. Sketch the graph. a)f(x)=|x2 +x-2|

205. ## Algebra

The sum of two numbers is 30 and their difference is 2. Find the two numbers by writing and solving a system of equations.

206. ## Algebra

A desk and a chair cost \$200 as a set. If the desk costs four times more than the chair, how much does each one cost. Write and solve using a system of equations.

207. ## math

30-2s=4s 13q-48=-3q 5z-43=2z+80 8f+11=-7f-19 9b-10=-b-18

208. ## Chemistry

If say 70 mL of water is heated vs 100 mL of water, would the temperature be different or does the amount of the substance not make a difference on the temperature Thanks!

209. ## Quick math help

I need help with solving these problems. When I checked it it didn't equal to the original equation. Factor each completely. 1. 4n^3+4n^2-16n-16 2. 9k^3-15k^2-3k+5 3. 60m^3+48m^2-20m-16 4. 12n^3+8n^2-3n-2

210. ## English

Prepositions and prepositional phrases Self-government (in the United States) began (in Jamestown) (in 1619.)

211. ## FRACTION

IS THIS RIGHT 5\6 5\9 = 1 17/18

212. ## Algebra

Arrange the terms of the polynomial in ascending powers of b. 25db^5-7dm+3b^10-6db^6

213. ## Science

1. Which of these is NOT made of cells? a. a rock b. an ant c. moss d. a piece of wood A

214. ## Lang. Arts

In the sentence, "She is interested in space exploration." Is the verb just "is" or is it "is interested"? Thanks...

215. ## mathematics

In a package of 25 colored pencils, 8 are red .if you bought 125 pencils, how many would be red ?

216. ## math

what is the roman numeral for 80

217. ## AED

Read the following scenario: You are a second-grade teacher at Happy Valley Elementary School. You are teaching language arts and social studies. Your classroom of 21 students consists of 7 white students, 5 Latino students, 4 African American students, 3

218. ## physics

The acceleration of gravity on the surface of a planet is 17.34 m/s^2. What is the weight on Jupiter of a woman whose weight on Earth is 122 lb? (use 1 lb = 0.4536 kg where g = 9.8 m/s^2) W_{woman} =

219. ## math

A math problem in a workbook says to write a number sentence you could solve using these doubles. 35+35 The answer is supposed to be ____ + ____ = ____ What is the answer they are looking for???

220. ## English

I need help writing a villanelle.

221. ## Sensory writing

I struggle with sensory writing. We are to write a sense of place story based on what we saw at a site we were designated to go view.. Mine was a ballet class. Anyone mind proofreading my story. A class located in a big squared lukewarm studio with nearly

222. ## Biology

Conducting cells in xylem are: Sieve tube elements Tracheids Tracheids and vessel elements Vessel elements Tracheids and sieve tube elements please help with my homework thanks.

223. ## math

t vakye us +3.28 and the critical value of t is +2.048 what does this mean? and would the null be rejected

224. ## sma n 15 palembang

dimna anda dilahir kan ?

225. ## probabiliyu

Provide one example to show how you can use the Expected Value computation to assess the fairness of a situation (probability experiment). Provide the detailed steps and calculations.

226. ## Math

Another variety of R&Ns has a different set of magical (yet mathematical) properties. Remove exactly 4 candies and 1 additional candy appears in the bag. According to the package, a bag contains 50 candies. What is the maximum number of canies that this

227. ## science

- Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

228. ## Calc Help :(((((

lim x-> infinity (7x^(5/3)-2x^(1/3)+6)/(-2x^(8/5)-5x+square root(x))

229. ## accoutning

What should I credit in this journal entry: If the owner of a company puts 50,000 of his own money into the company and gets 4,000 shares of stock. I know I need to debit cash but what do i credit? Thanks

230. ## math

A truck drove 1400 miles at a rate twenty miles per hour slower on the return trip. If the trip took 22 hours total, how fast was the truck going on the return trip? Round your answer to the nearest hundredth.

231. ## Math

-3x(2x - 5) Is this -6x + 15x?

232. ## phy

A=ax+by and B=cx-dy If a = 3 , b = 4, c = 5 and d = 2. Find the direction of -A (in degrees): relative to +x

233. ## Math

Use logarithms to find the given equation(find x) 9(1.06^5x + 1) = 15

234. ## English

Double Negatives She hasn't said (anything, nothing) about her accident. Is the answer anything

235. ## Science

Planet X is now consider a Kuiper belt object. True or False

236. ## Math

Which is more, 2 liters or 201 centiliters?

237. ## Science

How can you tell the similarity between displacement and average velocity? I really do not know. Please help, and I will appreciate it. :)

238. ## fraction

IS this right 12/3/5=20

239. ## English

Prepostional phrases Tons (of violets) are made (into perfume) each year. The heart (of a person) pumps more than four quarts (of blood)(in one minute.) One (of the secrets)(of success)is the wise use (of leisure time.)

240. ## English

Double Negative You must not speak to (anyone, no one) about our surprise party plans. the double negetive is no one

241. ## Science

Is planet X a Large asteroid?

OAU means

243. ## algebra

Simplify the expression. (5 - ) + 2

244. ## Algebra

Describe the three types of solutions systems of equations have when graphed.

PN=?HN

246. ## math

My mother and I have beautiful children. My mother bas 3 kids while I have 3/4 fewer children than her. How many children would I have?

247. ## math

i need help with this problem Problem; 5ã3+2ã75

248. ## math

karl has 52 ice cream sticks he wants to make 8 towers each of which use 32 sticks how many more stick does karl need

249. ## math

In new Your a taxi costs 72 cents for the first 1/10th of a mile and 15 cents for every additional 1/10th mile. How much does it cost to drive 6 miles? Set up and solve? I do not understand how you got this answer...can you explain? .72+ .15(6-.1).1 =

250. ## Algebra help ASAP please

simplify each expression. 1. 6/2b - 1 minus 4/b - 1 2. n-6/2n + 2 plus 4n/3 3. 4/6x^3 - 12x^2 minus x - 3/6x^3 - 12x^2 please explain how to do these!! thanks

251. ## science

true or false. Astronau eat a lot of freeze-dries food because it is lighter and takes up lees room. my answer is true.

252. ## english

is this a metaphor or is the writer just describing the revenue? "cafeteria reform had the effect of starving school cafeterias of revenue..."

253. ## Algebra 1

(49w^5-28w^3)/7w

asked by Help a girl out

ljlj