# Questions Asked onNovember 11, 2013

1. ## chemistry

Phosphorus pentachloride, PCl5, reacts with water to form phosphoric acid, H3PO4, and hydrochloric acid, HCl. PCl5(s) + 4H2O() → H3PO4(aq) + 5HCl(aq) (a) What mass of PCl5 is needed to react with an excess quantity of H2O to produce 23.5 g of H3PO4? (b)

2. ## Phyics

A spiral staircase winds up to the top of a tower in an old castle. To measure the height of the tower, a rope is attached to the top of the tower and hung down the center of the staircase. However, nothing is available with which to measure the length of

3. ## English

Identify the word or phrase that should be in italics. 1.) Riding the Orient Express toward Istanbul, Tom read the novels of Mark Twain. A.) Orient Express B.) Istanbul C.) Mark Twain D.) none 2.) He felt like a character in a Steven Spielberg movie as he

4. ## English

Identify the sentence for questions 16-18 that contains NO errors in punctuation or use of italics. 16. A.) Catherine asked, "Where are you going"? B.) "We're going to volunteer ate the animal shelter," said Dan, "Do you want to come?" C.) "Do they have

5. ## Algebra Check

What is the domain of the function below? ((0,2),(3,1) (5,2) (8,4)) a. (1,2,4) b. (0,3,5,8)** c. (0,1,2,3,4,5,8) d. ((0,2),(3,1) (5,2) (8,4)) Is the following relation a function? ((0.3,0.6), (0.4,0.8), (0.3,0.7), (0.5,0.5)) a. yes b. no** c. cannot be

6. ## physics

A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. The mass of the ball is 0.38 kg. The ball approaches the cushion with a velocity of +2.30 m/s and rebounds with a velocity of -1.90 m/s. The ball remains in contact with

7. ## math

What is the force exerted by a catcher's glove on a 0.15-kg baseball moving at 35 m/s that is stopped in 0.02 s?

8. ## Finance

What advantages does a roth IRA have over the traditional IRA? A. With a roth you take care of taxes ahead of time and end up with more money to spend at retirement. B Unlike the traditional IRA, with a roth you don't pay taxes while your money is in the

9. ## Statistics

The U.S. Department of Labor and Statistics released the current unemployment rate of 5.3% for the month in the U.S. and claims the unemployment has not changed in the last two months. However, the states statistics reveal that there is a decrease in the

10. ## U.S. and Global Economics

An online store that has been successfully growing on its initial angel investment and revenues wants to invest \$5 million to expand the business. The bank is willing to lend the business this money at a 10 percent interest rate over an eight-year term.

11. ## CHEMISTRY

Please explain the answer. Which statement about this reaction is correct? 2Fe(s)+3CO2(g)--->Fe2O3(s)+3CO(g) delta H = 26.6 kJ A. 26.6 kJ of energy are released for every mole of Fe reacted B. 26.6 kJ of energy are absorbed for every mole of Fe reacted C.

12. ## Math

Mr. Thomas spent 1600.00 of his savings on a TV and 2/5 of the remainder on a refrigerator. He had 1/3 of his original amount of savings left. What was Mr. Thomas's original savings?

What is the Kc for the following reaction at equilibrium at 800∘C if [CO2]= 0.030M ? CaCO3(s)⇌CaO(s)+CO2(g)

14. ## Chemistry

After 53.0 min, 14.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?

15. ## science

erosion and weathering are examples of which type of forces ? a) constructive forces b) destructive forces c) gravitational forces d) inertia-related forces

16. ## U.S. and Global economics; involving math problems

I've been working on this problem for "hours" and I can't quite figure out how to solve it; can anyone help plzzz? I would appreciate it. :) Two college students went on spring break to Guadalajara, Mexico. One took the vacation in 2002, while the other

17. ## U.S. and Global Economics

The owner of a flower shop needs a short-term loan to tide her business over until she completes the sale of some unused property. She asks the bank for a \$25,000 six-month loan. The bank agrees to give her the loan, but attaches a hefty interest rate of

18. ## chemistry

Complete and balance the precipitation reactions. Include physical states in your equations. Ba(NO3)2(aq) + CuSO4 (aq)---> K3PO4(aq)+MgCl2 (aq)---->

19. ## math

translate 112 is the product of Diane's height and 8 to an equation

20. ## Pre Alg (Check my work?)

1.) In which Quadrant is the point (x,y) located if x is negative and y is positive? II III IV (MY ANSWER) I 2.) Point A(5,-10) is reflected over the Y axis. Write the coordinates of A'. (-8,-10) (8,10) (8,-10) MY CHOICE (-8,10) 3.) At the half-tame show,

21. ## science

when a long-range cannonball is fired towards the equator from a northern (or southern) latitude, it lands west of its "intended" longitude. Why?

22. ## Check my CALCULUS work, please! :)

Question 1. lim h->0(sqrt 49+h-7)/h = 14 1/14*** 0 7 -1/7 Question 2. lim x->infinity(12+x-3x^2)/(x^2-4)= -3*** -2 0 2 3 Question 3. lim x->infinity (5x^3+x^7)/(e^x)= infinity*** 0 -1 3 Question 4. Given that: x 6.8 6.9 6.99 7.01 7.1 7.2 g(x) 9.44 10.21

23. ## geomertry

You eat a new kind of fruit and suffer from hives for the first time in your life. A week later, you try the fruit and the hives recur. A month later, you have a similar experience. conclusin

24. ## Health (Ms. Sue)

1. Explain the relationship between the following key terms. a. physical dependence and withdrawal b. drug and medicine c. drug tolerance and addiction d. over-the-counter medicine and prescription e. active ingredient and drug interaction f. alcohol abuse

25. ## math

there's 10 white golf balls 6 stripped golf balls the golfer wants to add 112 golf balls to the bag but wants the ratio of white to stripped golf balls to stay the same. how many of each should he add?

26. ## Statistics

To plan the budget for next year a college needs to estimate what impact current economic downturn might have on student requests for financial aid. Historically, this college has provided aid to 35% of its students. Officials look at a random sample of

27. ## Math

jim claims that the ratio of males to females in his class of 26 students is 3:2. Could jim be correct?

28. ## General Chemistry : for Nursing

Im Having a really Hard time with this problem :( ---> A sample containing 5.60g O2 gas has a volume of 31.0L . Pressure and temperature remain constant. 1 .) Oxygen is released until the volume is 8.00L . How many moles of O2 are removed?

29. ## French

What does "vous les avez" mean as in "Vous les avez en noir?" I know that "vous avez" means "you have," but why does the sentence have an extra "les?"

30. ## Chemistry

Assuming complete dissociation, what is the pH of a 3.73 mg/L Ba(OH)2 solution?

31. ## Physics

A test tube in a centrifuge is pivoted so that it swings out horizontally as the machine builds up speed. If the bottom of the tube is 165.0 mm from the central spin axis, and if the machine hits 53500 rev/min, what would be the centripetal force exerted

32. ## Health (Ms. Sue)

1. Why are some medicines available only by prescription? A: Some medicines are only available by prescription because these medicines are more powerful and effective and should not be taken casually or for minor purposes? 2. Describe the role of

33. ## Math

Paula budgets 23% of her annual income for housing. If she budgets \$410 per month for housing, what is her annual income?

34. ## Math

Myrna budgets 22% of her annual income for housing . It she budgets \$400 per month for housing, what is her annual income

35. ## math

a brick is placed on a balance scale.it balances exactly with a 3/4 pound weight and 3/4 of a brick .what is the weight of the brick? show and explain work

36. ## Engish

Is "who is in charge of counting votes?" A direct object, subject, object of a preposition, or a predicate noun?

37. ## Chemistry

Please explain the answer. 1. Which statement about this reaction is correct? 2Fe(s)+3CO2(g)--->Fe2O3(s)+3CO(g) delta H = 26.6 kJ A. 26.6 kJ of energy are released for every mole of Fe reacted B. 26.6 kJ of energy are absorbed for every mole of Fe reacted

38. ## chem

What is the pH of 1.00 L of the buffer solution that contains 0.100 M HF and 0.120 M NaF after 0.020 mol of HNO3 is added? The Ka of HF is 3.5×10−4, and so pKa = 3.46.

39. ## Psychology

Jeremy feels that Gloria is far too good looking for him, but he's comfortable dating Jody, since he sees her as about as physically attractive as he is. A psychologist would say Jeremy is illustrating the _______ hypothesis. A. reciprocity B. looking

40. ## Calculus

For R"(x) = -15[(x-1)(e^-x)-(e^-x)] with 0 < x < 7 What interval is the graph concave and and concave down? I know concave up is (0,2). Is that right? Does concave down exist?

41. ## math

Audrey bought 7 pounds of diced apples and shared them equally among 4 friends. How many pounds of apples did each person receive? Two of the friends put the portions they received together and then gave them to the food pantry. How many pounds of apples

42. ## science

what do angiosperms reproduce with??/

43. ## Statistics

We conducted a hypothesis test for a population parameter at alpha = 0.05 and we failed to rejected Ho. If we decided to use alpha = 0.10, how would our conclusion change? A) At alpha = 0.10, we would still fail to reject HO. B) At alpha = 0.10, we would

44. ## Stat

A bank is testing a new method for getting delinquent customers to pay their past-due credit card bills. The standard way was to send a letter (costing about \$0.45) asking the customer to pay. That worked 30% of the time. The bank wants to test a new

45. ## PHYSICS(HELP)

A uniform stick of mass m and length l is suspended horizontally with end B at the edge of a table as shown in the diagram, and the other end A is originally held by hand. The hand at A is suddenly released. At the instant immediately after the release:

d1 = 2.53 cm +/- .05 cm d2 = 1.753 m +/- .001 m 0 = 23.5 degrees +/- .5 degrees v1 = 1.55 m/s +/- .15 m/s Using the measured quantities above, calculate the following. Express the uncertainty calculated value. Z = 4d1 (cos (0))^ 2

Serving the financial division of the government is the primary responsibility of the (1 point) Department of the Interior. Department of Commerce. *Department of the Treasury. Department of State The National Park Service is part of this department. (1

48. ## Health (Ms. Sue)

1. List the legal charges that a teen can face if he or she is caught drinking and driving. A: The legal charges that a teenager can face if he or she is caught drinking and driving are arrest, heavy fines, suspension of one’s driver’s license, and

49. ## Health (Ms. Sue)

Identify three ways that you can help prevent alcohol from harming your friends and loved ones. A: I could help prevent alcohol from harming my friends and loved ones by being their designated driver, encouraging them not to consume alcohol, and arranging

50. ## math

San fran won 21 games and lost 26. what is their ratio of games won to games played?

51. ## physics

A capacitor has circular plates of radius \(r = 12\,cm\) that are now a distance \(d = 0.2\,cm\) apart. If this particular capacitor is hooked up to a \(12\,V\) battery, what is the value of the Electric Field between the two plates in \(N/C\)?

Assume that the energy source of radiation of the Crab Nebula pulsar is tapped from its rotational kinetic energy. Does the period of the pulsar increase, decrease, or stay the same?

53. ## Math

the ratio of males to females in a college class is 2:6. If there are 72 students in the class, how many are male?

54. ## Physics

An object 6.70 cm high is placed 15.1 cm in front of a convex mirror with radius of curvature of 8.55 cm. Where is the image formed?

55. ## Math

I am confused. Estimate using compatible numbers 611÷14 and 76+8

I'm not sure if I can post my question about science. Can I post it? I don't know if it'll get taken off

57. ## physics

You hold a bucket attached to a rope, and in the bucket is a 500.0 g rock. You swing the bucket so the rock moves in a vertical circle 1.6 m in diameter. What is the minimum speed the rock must have at the top of the circle if it is to always stay in

58. ## physics

You hold a bucket attached to a rope, and in the bucket is a 500.0 g rock. You swing the bucket so the rock moves in a vertical circle 1.6 m in diameter. What is the minimum speed the rock must have at the top of the circle if it is to always stay in

59. ## math

The world population in 1992 is 5.42 billion. If its population doubled every 41 years, what would its population be in 41 years? 41 years, what would its population be in 82 years? 82 years, what would its population be in 164 years?

60. ## physics

You hold a bucket attached to a rope, and in the bucket is a 500.0 g rock. You swing the bucket so the rock moves in a vertical circle 1.6 m in diameter. What is the minimum speed the rock must have at the top of the circle if it is to always stay in

61. ## physics

You hold a bucket attached to a rope, and in the bucket is a 500.0 g rock. You swing the bucket so the rock moves in a vertical circle 1.6 m in diameter. What is the minimum speed the rock must have at the top of the circle if it is to always stay in

62. ## physics

A 0.0309-kilogram ball is stuffed into a spring gun and shot up into the air at some angle. The gun's spring has a force constant of 92.5 N/m and is initially compressed 0.138 m. When the ball reaches maximum height, it has a horizontal velocity with a

63. ## Language art

What type of infinitive phrases are shown below (noun, adverb or adjective) 1.George wants to take Lea out tonight. 2.Would you like to read this detective novel? 3. Fifty years ago,people didn't know to avoid "bad"cholesterol. 4.My grandmother taught me

64. ## english

not sure what the difference between a simple subject, simple predicate, complete subject and a complete predicate are

65. ## math

What is the force exerted by a catcher's glove on a 0.15-kg baseball moving at 35 m/s that is stopped in 0.02 s?

66. ## Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to

67. ## math

identify an integer x for which 2x/5 represents a ratio greater that 2:1 but less than 3:1 could 2.4 be a possible answer?

68. ## Math

Estimate using compatible numbers 611÷14

69. ## Language

I miss placed my word list and my assignment is due tomorrow and I need to access my word list from my teacher Shirley Carr at Adlai Stevenson elementary second grade class can this site help me with that I am not a member and do not know if my teacher or

70. ## algebra

Jerry rented a rototiller for 9.25dolars per hour. H must supply his own gas. Jerry estimates he will spend 1.36 dollars of gas per hour. How many hours did it take Jerry to till his garden if it cost him \$53.05

71. ## Math

Estimate using compatible numbers 24x8

72. ## chem

A student based the analysis of Cu(II) in a sample on the formation of the blue complex [Cu(H2O)6]+2. A standard solution was made when 1.276g of pure copper wire (MM= 63.546g/mol) was weighed, dissolved in concentrated HNO3, and diluted to 1.00x102mL. The

73. ## Chemistry

If you need to prepare 250.0 mL of a pH 5.00 buffer that has a total buffer concentration of acetic acid + sodium acetate of 0.050M, how many moles of each will you need to prepare the solution? Given solutions of acetic acid and sodium acetate with

74. ## Language art

What type of infinitive phrases are shown below (noun, adverb or adjective) 1.George wants to take Lea out tonight. adv 2.Would you like to read this detective novel? adj 3. Fifty years ago,people didn't know to avoid "bad"cholesterol. adv 4.My grandmother

75. ## Statistics

An opinion poll asks a random sample of 100 college seniors how they view their job prospects. In all, 53 say "Good." The 95% confidence interval has a margin of error of 9.9%. The sample used actually included 130 college seniors but 30 of the seniors

76. ## Biology

why do we use protein sequences when comparing genetic similarities?

77. ## Biology

How are antibodies used to detect similarities in protein sequences?

78. ## A&P II

1. Sandy, a 16-year-old woman, returns to the emergency room for the fifth time. She has been treated for Bulimia repeatedly. On initial assessment, you note shallow breathing. ARTERIAL BLOOD GASES are as follows: pH = 7.45 PaCO2 =47 mmHg HCO3- = 33

79. ## pre-alg

point E is located at (-2,2) and point F is located at (4,-6). what is the distance between points E and F? A.)Square Rot of 52 B.)Square Roots of 28 C.)10 D.)Square Root of 20

80. ## Calculus

A ladder 15 feet long leans against a vertical wall. Supppose that when the bottom of the ladder is x feet from the wall, the bottom is being pushed towards the wall at the rate of 1/2x feet per second. How fast is the top of the ladder rising at the

81. ## algebra

The atmospheric pressure P in pounds per square inch (psi) is given by P = 14.7 e^−0.21 a where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 12.17 psi, what is its altitude?

82. ## Law

If the above-described drug operation had been scheduled at a fully operational airfield staffed with airport personnel, it may be most effective to have law enforcement blend in with, or dress like, airport workers. This is an example of __________

83. ## calculus

27 ft of wire is to be used to form an isosceles right triangle and a circle. Determine how much of the wire should be used for the circle if the total area enclosed is to be a minimum? Maximum?

84. ## physics

A bicyclist traveling at 8 m/s rides around an unbanked curve. The coefficient of friction (is this static or kinetic friction?) between the tires and the road is 0.42. What is the radius of the shortest turn that the bicyclist can safely make?

85. ## Math

What is the portion if the base is 900 and the rate is 12¾ %?

What is the ratio of the spin angular momentum of the Earth and its orbital angular momentum about the Sun. The mean radius of the earth is R_earth = 6400 km. The radius of the Earth's orbit is r_s = 1.5 * 10^8 km. For simplicity you may assume that the

87. ## algebra

2(w+18+W)=2(w+18−6+w+3)

88. ## Law

1. You receive information from a reliable informant that, in seven days, a small plane carrying a large amount of illegal drugs is going to land at a deserted airfield in a rural location. You should select __________ surveillance. A. loose B. covert C.

89. ## Health (Ms. Sue)

When choosing an OTC medicine, what are three guidelines one should keep in mind?

90. ## finance

company starting salary 75,000 retirement benefits 401k with annual contribution of 5% company will match 3% (for max contribution of 8% salary) avg 401k return within mutual fund options at 8% per year sign on bonus 0 annual bonus after 2 years of service

91. ## math

2(w+18+W)=2(w+18−6+w+3) perimeter is 126 whats w = to?

92. ## Chemistry

If the wavelength if determined to be 0.018 nm, at what velocity is the electron traveling? (The mass of an electron is 9.11x10^-31kg) I know the answer is 4.0x10^7 m/s, but i cannot figure how they got this. Could someone please explain it to me and show

93. ## math

Why is the point 3,0 not considered to be in any of the quadrants?

94. ## Ms. Sue

Were my answers correct in the post in which you provided me with the answer below? "People used to die at young ages of heart problems, tuberculosis, pneumonia, infections, etc. Today most of these conditions can be prevented or cured."

95. ## Math - Algebra

If a man wewighs 41 newtons (N) on the surface of the earth while he weighs 81.5N on the surface of the moon, approximately how much lighter is he on the moon? What would be his weight on the surface of the earth if he weighs 90 N on the surface of the

I am doing the monkey and hunter question, and I need to find out what the minimum speed the bullet has to be.. The variables I have are g, Vo, theta, Dx(horizontal distance from monkey), and Dy (vertical distance from monkey). I need to derive Vo in the

97. ## Math

Jay can deduct the amount over 7% of his gross income as medical expenses on his income tax return. If his annual salary is \$18500 and his medical expenses one year were \$1450 how much could he deduct on his tax return?

98. ## Math-Algebra

The pressure of a gas varies directly as its temperature. IF the pressure of a gas is 200 pounds per square inch (lb/in^2) at a temperature of 65.5 degrees C, what is the pressure of the gas when the temperature is 250 degrees F?

99. ## Math

Zed can deduct the amount over 7% of his gross income as medical expenses on his income tax return. Is his annual salary is \$16700 and his medical expenses one year were \$1250 how much could he deduct on his tax return?

100. ## English

Do you mind my opening the window? He narrowly escaped being drowned. He gave up smoking. He admitted having stolen the money. I could not avoid saying so. I finished writing my composition. Sam enjoyed swimming in the river. He stopped smoking. He

101. ## math

2(w+18+W)=2(w+18−6+w+3) perimeter is 126 my teacher ask to get the value of W

102. ## Chemistry

Assume that the normal blood buffer contains 0.00080 M carbonic acid and 0.0085 M hydrogen carbonate, the pKa = 6.35 for carbonic acid and the volume of blood in the body is 7.00 L. The blood pH, due to disruption is now 7.20. What is the ratio of

103. ## chemistry

What is the Kc for the following reaction at equilibrium at 800∘C if [CO2]= 0.030M ? CaCO3(s)⇌CaO(s)+CO2(g)

104. ## math

A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 4.9 * 10^2 µm. Find this earthquake's magnitude.

105. ## American Governent

List and Explain three duties of members of the executive office of the president.

106. ## physics

if 3e charge is at the origin and magnesium nucleus is 3 cm from the origin in the x-direction. what is the magnitude of the net force a boron nucleus would experience half way between magnesium nucleus and 3 e charge

107. ## Language art

Can you also check these type of infinitive phrases? Thanks 1.To have a balanced diet, keep the food triangle in mind. noun 2. To get good food at that place is impossible.noun 3.Brenda went to that popular, crowded cafe simply to see her friends.adv 4.We

108. ## Correlations

Which type of correlation would you expect to see between the distance traveled and the time it takes to travel that distance? A. positive correlation B. negative correlation C. no correlation idk why this question is confusing me, but it is

109. ## History

True or False? The general mu'awiyah was known for one outstanding trait: he used more force than necessary whether it was needed or not

A figure skater stands on one spot on the ice(assumed frictionless) and spins around with her arms extended. When she pulls in her arms, her moment of inertia decreases to 3/4 of the initial value. Assume that her spin angular momentum is conserved. What

111. ## math

Find the number of decibels for the power of the sound given. Round to the nearest decibel.A rocket engine, 2.42 * 10^−5 watts/cm2

112. ## Chemistry

Please explain. The enthalpy changes for two different hydrogenation reactions of C2H2 are: C2H2+H2---->C2H4 Delta H 1 C2H2+2H2---->C2H6 Delta H 2 Which expression represents the enthalpy change for the reaction below? C2H4+H2---->C2H6 Delta H = ? A. Delta

113. ## college

a point source is on the bottom of a pool 2m deep. find the diameter of the largest circle at the surface which light can emerge from the water (n=1.33)

In the space before each of the following items, place a C if the capitalization is correct, a zero (0) if it is incorrect. Then insert capitals where they should be, and draw a line through capitals that should be small letters. 1. the Rocky Mountains 2.

115. ## algebra

a total price of a ticket is 33 dollars and an adult ticket is \$1.50 more than the student. how much is the student ticket worth?

116. ## Chemistry

Please explain. The average bond enthalpy for the C-H bond is 412 kJ mol^-1. Which process has an enthalpy change closest to this value ? A. CH 4 (g)---> C(s)+2H2(g) B. CH 4(g)--> C(g)+2H2(g) C. CH 4(g)---> C(s)+ 4H(g) D. CH 4 (g)---> CH3(g)+ H(g)

117. ## science

how would the length of a day be affected if all the world's inhabitants continuously walked in an easterly direction? when they stopped walking?

118. ## Quantitative Chemistry

Ignoring activities, determine the molar solubility (S) of Zn(CN)2 in a solution with a pH = 4.36. Ksp (Zn(CN)2) = 3.0 × 10-16; Ka (HCN) = 6.2 × 10-10.

119. ## physics urgent help !

if a 3e charge is at the origin and a magnesium nucleus is 3 cm from the originin the x-axis direction.what is the magnitude of the net electrostatic force a Boron nucleus would experience at the point half way between magnesium nucleus and 3e charge on

120. ## Science

Which statement is true regarding nuclear energy? (Points : 1) Since 2005, global private investments in nuclear energy totaled \$100 million dollars. Nuclear plants cost 2-3 times as much as new windpower to build. Nuclear energy currently produces 50% of

121. ## Computer

Suppose that you are the general manager for a major-league baseball team. During the off-season, you need to sign some free-agent players for your team. The team owner has given you a budget of \$X to spend on free agents. You are allowed to spend less

122. ## English

How did your understanding of the power of language expand through your engagement with this artifact? What does that mean

123. ## Physics

A slotted disk is rotating with a constant angular velocity of w. A ball mass of m slides out from the center of the disk. Kinetic friction force F=mu_k |N| acts on the mass, where N is the normal force between the ball and the channel. Using the body

True or False. 1. Raiding one’s enemies was known in the Quran as the “struggle in the way of God” or jihad. 2.The courage of the Arab soldiers was enhanced by the fact that they had superior weapons to most of their enemies. 3. Mu’awiyah moved the

125. ## physics

A jumbo jet needs to reach a speed of 369 km/hr on the runway for takeoff. Assuming a constant acceleration and a runway 1.6 km long, what minimum acceleration from rest is required?

126. ## English

What skill/knowledge does this artifact reflect, and how did you learn this skill/knowledge? What are they asking here and are they asking for both skill and knowledge or just one of them

127. ## English

¡°By studying socioeconomic status within a neuroscientific framework, we have the potential to expand our understanding of the biological signatures of poverty,¡± said Nina Kraus, professor of neurobiology, physiology and communication sciences at

A ladder leaning against a wall is falling. The ladder is of length, L, and at this instant the ladder is at an angle, theta(Ø), with respect to the wall, and the horizontal velocity of the base of the ladder ,v_A, is known. All answers are I'm the terms

129. ## mult'vi calc

Let F(x, y, z) = z tan−1(y^2)i + z^3 ln(x^2 + 10)j + zk. Find the flux of F across S, the part of the paraboloid x^2 + y^2 + z = 19 that lies above the plane z = 3 and is oriented upward. Thanks! STudying for a quiz... *tan−1 is tan^(-1)

130. ## math

the ratio of the following is 2:5 of peter to jane ... jane gave all of her money ehich is \$ 75 so how much is 1 block???? help me i am in 1 grade idgt???

what is the portion if the base is 900 and the rate is 12 3/4

132. ## Math

Janice and Patricia each want to buy a new DVD player. They go to the Hot Electronics and find a DVD player for \$75. Hot Electronics offers a different payment plan. Janice is going to pay \$15 now, and then \$7.50 per month. Patricia is going to pay \$12.50

133. ## Calculus

27 ft of wire is to be used to form an isosceles right triangle and a circle. Determine how much of the wire should be used for the circle if the total area enclosed is to be a maximum? I can only find the minimum because the parabola is opening upward

134. ## math

5 2/9 - 3 1/3=?

135. ## Statistics

A state survey investigates whether the proportion of 8% for employees who commute by car to work is higher than it was five years ago. A test on employee commuting by car was done on a random sample size of 1000 and found 100 commuters by car. Test an

136. ## ALGEBRA REGENTS HELP!!!!!

On my TI-83 plus graphing calculator it says "ERR: WINDOW RANGE" When I type in the equation and click graph that what it says. Please help!!!!

137. ## finance

When planning the retirement payout, there are several options from which to choose. With ______________ option, the annuity provides payments over the life of both you and yor spouse. A. lump sum annuity B. single life annuity C. annuity for life D.

138. ## Math

Does an x and y intercept of 0 mean that there is no x or y intercept? Or is 0 an intercept?

139. ## English

what is the simple subject in the sentence my first dog was afraid of thunderstorms.

140. ## English

What is the complete predicate in the following sentence? Your sister Erin wrote a fantastic essay about Paris. I think the answer is wrote a fantastic essay about Paris.

141. ## CHEMISTRY

Please explain. The average bond enthalpy for the C-H bond is 412 kJ mol^-1. Which process has an enthalpy change closest to this value ? A. CH 4 (g)---> C(s)+2H2(g) B. CH 4(g)--> C(g)+2H2(g) C. CH 4(g)---> C(s)+ 4H(g) D. CH 4 (g)---> CH3(g)+ H(g)

142. ## Statistics

We conducted a hypothesis test for a population parameter at alpha = 0.01 and we failed to rejected Ho. If we decided to use alpha = 0.05, how would our conclusion change? A) At alpha = 0.05, we would still fail to reject HO. B) At alpha = 0.05, we would

143. ## CHEMISTRY

Please explain. The enthalpy changes for two different hydrogenation reactions of C2H2 are: C2H2+H2---->C2H4 Delta H 1 C2H2+2H2---->C2H6 Delta H 2 Which expression represents the enthalpy change for the reaction below? C2H4+H2---->C2H6 Delta H = ? A. Delta

144. ## QNT 351

What is the probability that a randomly selected hybrid gets more than 60 miles per gallon?

145. ## chemistry

What mass of NiSO4 is present in 2.00 x 102ml of 6.00% NiSO4(aq)? (The density of the solution is 1.13g/ml.)

146. ## math

acacia company had inventory of 100,000 on December 31, 2012. other information is as follows: purchases \$1,500,000 sales 3,000,000 inventory 1/1/2012 what is the amount of acacia cost of goods sold for 2012?

147. ## math

Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning

148. ## Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to

149. ## Physics

d1 = 2.53 cm +/- .05 cm d2 = 1.753 m +/- .001 m 0 = 23.5 degrees +/- .5 degrees v1 = 1.55 m/s +/- .15 m/s Using the measured quantities above, calculate the following. Express the uncertainty calculated value. 1. d3 = 4 (d1 + d2)

150. ## Physics

d1 = 2.53 cm +/- .05 cm d2 = 1.753 m +/- .001 m 0 = 23.5 degrees +/- .5 degrees v1 = 1.55 m/s +/- .15 m/s Using the measured quantities above, calculate the following. Express the uncertainty calculated value. a = 4 v1^2 / d2

d1 = 2.53 cm +/- .05 cm d2 = 1.753 m +/- .001 m 0 = 23.5 degrees +/- .5 degrees v1 = 1.55 m/s +/- .15 m/s Using the measured quantities above, calculate the following. Express the uncertainty calculated value. d1 (tan (0))

152. ## Philosophy

I need help with this proof for my philosophy class. This proof is supposed to be done via indirect proof or conditional proof, so it is supposed to use AIP and IP or ACP and CP to derive the conclusion! This is an assignment that is submitted through

153. ## Philosophy

I need help with this proof for my philosophy class. This proof is supposed to be done via indirect proof or conditional proof, so it is supposed to use AIP and IP or ACP and CP to derive the conclusion! This is an assignment that is submitted through

154. ## Math

Convert 126% to a mixed number

155. ## Philosophy

I need help with this proof for my philosophy class. This proof is supposed to be done via conditional proof, so it is supposed to use ACP and CP to derive the conclusion! This is an assignment that is submitted through Aplia, so I need it to be precise

156. ## Essay Title

Hi. I need help thinking of a title for the essay I am writing. The essay is about the Dominican Republic and Trujillo's regime. Specifically I am talking about how women who accept/deny female stereotypes accept/deny male domination. Can someone help me

157. ## Philosophy

I need help with this proof for my philosophy class. This proof is supposed to be done via indirect proof or conditional proof, so it is supposed to use AIP and IP or ACP and CP to derive the conclusion! This is an assignment that is submitted through

158. ## science

Earth titled axis affects the strength of sunlight in different places of earth's surface. If you are in an area that receiving less direct sunlight,where are you located? a) near the equator b) near the north pole c) near the south pole d) near the north

159. ## Physics

The Achilles tendon, which connects the calf muscles to the heel, is the thickest and strongest tendon in the body. In extreme activities, such as sprinting, it can be subjected to forces as high as 13 times a person’s weight. According to one set of

160. ## pre-algebra

find the two ordered pairs that you can use to graph the equation y=-1/3x-2

161. ## science

During road construction a section of rock is cleared which contains many fossils each shovel of rock removed from the trench uncovers several fossils some of the fossils That are exposed include a prehistoric fish petrified wood water plant imprints and

162. ## math

solve: 2 ln e= ln sqrt of 7/x-2 ln e what would be x?

163. ## math

jasper owns a small retail store as a sole proprietor. the business records show that the cost of the stores inventory items has been steadily increasing. the cost of the end of the year inventory is 200,000 and the cost of the beginning of the year

164. ## math

Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning

165. ## algebra

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 * 10^5 watts cm^2 what is the db?

166. ## Statistics

1. A Type II error occurs when you reject the null hypothesis when the null hypothesis is true. A) True (this one?) B) False 2. A Type II error occurs when you fail to reject the null when the null hypothesis is false. A) True (this one?) B) False

167. ## algebra 2

plane a is 40 mi south and 100 mi east of plane b. plane a is flying 2mi west for every mile it flies north, while plane b is flying 3 mi east for every mile it flies south. which plane must fly farther

168. ## College anatomy

It was observed that blood glucose levels were falling in an individual. This event would be sensed by (a) cells in the (b) of the pancreas, causing them to release the hormone (c). This series of events would be part of an (d) loop/mechanism, serving as a

169. ## Statistics

The table below shows the LOS for a sample of 11 discharged patients. Using the data in the table, calculate the mean, range, variance, and standard deviation, and then answer questions e and f. Round the variance and standard deviation to one decimal

170. ## Science

13. If we used wave energy to produce electricity, which of the following would be a positive environmental benefit? A) We would have power to run lights on navigation buoys B) We would reduce the amount of fossil fuels used to produce electricity and

171. ## history

Before 1910, the most popular form of public entertainment was A. viewing motion pictures. B. ballroom dancing. C. baseball. D. band concerts. Is it C?

172. ## Math

what is the solution of 3x^+27=0

173. ## floral design

diagram a color wheel and label primary secondary and tertiary colors

174. ## Physics

d1 = 2.53 cm +/- .05 cm d2 = 1.753 m +/- .001 m 0 = 23.5 degrees +/- .5 degrees v1 = 1.55 m/s +/- .15 m/s Using the measured quantities above, calculate the following. Express the uncertainty calculated value. a = 4 v1^2 / d2

175. ## math

patrica is a business owner who is trying to determine her cost of goods sold for 2012. shoe bought 20 units of inventory at \$11, then 26 units at \$9 and finally 18 units at \$14. she sold 30 units in 2012 and uses the fifo for her inventory valuation. what

176. ## physics

Four charges are arranged at the corners of a regular tetrahedron (a pyramid with four sides that are identical equilateral triangles). The charges are 1 Coulomb each, and the sides of the tetrahedron are all 1 meter. How much energy in Joules is required

177. ## Physics

d1 = 2.53 cm +/- .05 cm d2 = 1.753 m +/- .001 m 0 = 23.5 degrees +/- .5 degrees v1 = 1.55 m/s +/- .15 m/s Using the measured quantities above, calculate the following. Express the uncertainty calculated value. d1 (tan (0))

178. ## Physics

d1 = 2.53 cm +/- .05 cm d2 = 1.753 m +/- .001 m 0 = 23.5 degrees +/- .5 degrees v1 = 1.55 m/s +/- .15 m/s Using the measured quantities above, calculate the following. Express the uncertainty calculated value. Z = 4d1 (cos (0))^ 2

179. ## probability

What is the probability that 2 out of 8 students will have the same birthday?

180. ## algebra

Express 57000 in scientific notation

181. ## Chemistry

Hi, I'm a little stuck on this problem: Find the pH of the Hydrochloric acid solution when 5.0 mL of concentrated HCl, with a specific gravity of 1.18 and has 37% (w/w) purity is diluted to 2.0L

182. ## Narrative Essays

What are some things I can write about in a personal narrative about moving out of a house? Also, is there a sample I can follow as a guide?

183. ## English

Identify the appropriate punctuation for the underlined word or phrase for questions 19-20. 19.) Irving Berlin wrote "White Christmas" and many other popular songs. White Christmas is underlined, I just used quotation marks. A.) italics B.) quotation marks

184. ## Health (Ms. Sue)

How would you respond in the following situations? 1. Your friend drove you to a party and then she had four drinks. She says she will never speak to you again if you do not ride home with her. A: I would respond by taking the key to her vehicle and then,

185. ## pre cal

How do I express this relationship in a language of variation? I know how to do basic ones but this one is really advanced looking. f=1/2L squarert T/u

Assume that the energy source of radiation of the Crab Nebula pulsar is tapped from its rotational kinetic energy. Does the period of the pulsar increase, decrease, or stay the same?

187. ## history

In the election of 1912, Teddy Roosevelt's Bull Moose Party platform was built around what he called the A. New Freedom. B.(New Nationalism). C. Square Deal. D. Fair Deal. Correct?

188. ## Physic

A horizontal Electric Field is applied to the original spring-mass system as shown below: What is the tangent of the angle θ (tan(θ)) between the spring and the vertical in terms of E, ke (type "ke"), q, m, and g as needed? Indicate multiplication with a

189. ## science

Identify a viewpoint from the text that highlights the importance of biodiversity. Do you believe every species is connected to one another, as expressed in the text? Why or why not? Give an example of a case where the extinction of one species might

190. ## Math 2008

A recipe for biscuit mix calls for 8 cups of flour, 1 and 1/3 cups of nonfat dry milk, and 5 tablespoons of baking powder. If you had only 6 cups of flower, what would be the comparable amounts of nonfat dry milk and baking soda?

191. ## chemistry

same question as before What is the Kc for the following reaction at equilibrium at 800∘C if [CO2]= 0.030M ? CaCO3(s)⇌CaO(s)+CO2(g)

Write two fractions that are equivalent to each fraction. 1. 2/5 2. 21/35

194. ## Math

Janice and Patricia each want to buy a new DVD player. They go to the Hot Electronics and find a DVD player for \$75. Hot Electronics offers a different payment plan. Janice is going to pay \$15 now, and then \$7.50 per month. Patricia is going to pay \$12.50

195. ## Math

who has the higher batting average: ted, who has 12 hits in 30 at bats, or pete, who has 18 hits in 40 at bats? why?

196. ## us history

how often must congress meet? why?

197. ## Math

Write the equation of a line whose slope is the same as the line y=-2x=7 and whose y-intercept is the same as the line 2y=x-8.

198. ## English

If women are being compared to mules, what else could be said about them besides explaining that they are weak?

199. ## Math

identify an integer x for which 2x/5 represents a ratio greater that 2:1 but less than 3:1

200. ## Math

What is the y-intercept for the equation x=3y-6=0?

201. ## Math

What is the y-intercept for the equation x=3y-6=0?

202. ## Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to

203. ## Finance

You and your spouse both have good retirement plans through work,and both receive social security checks based on your own incomes. If your goal is to maximize the size of your annuity check every month, which option should you choose? A. single life

204. ## Math

Write the equation of a line whose slope is the same as the line 3y-2x-10=0 and whose y-intercept is the same as the line 5x+3y=15

205. ## Math

In a AAA map of Ohio, 1 inch equals approximately 10 miles or 18 kilometers. If the distance on the map between Pauling and Eaton is 9.8 inches, how many kilometers is it between the two towns?

206. ## Math

Write the equation of a line whose slope is the same as the line 3y=-2x+6 and passes through the point (-1,4)

207. ## English

But they were those bags she saved that caused them such humiliation. What should "they were" change from the options below. A. NO CHANGE B. it was C. there was D. DELETE the underlined portion.

208. ## PHYSICS

A five turn square loop (10 cm on an edge and resistance = 4.0 ohms) is placed in a magnetic field that makes an angle of 30 degrees with the plane of the loop. The magnitude of this field varies with the time according to B = 0.50 t^2, where t is measured

209. ## Health (Ms. Sue)

State five ways to refuse if a friend offers alcohol to you. A: If my friend offered alcohol to me, I could refuse by giving reasonable reasons of why I choose not to drink, stating the consequences that could result if I do drink, leaving the situation,

210. ## AP Chemistry

How do you determine the heat of solution for a substance? how can we report this answer in both kJ/g and kJ/mol? thank you!!!

211. ## Health (Ms. Sue)

Movies, TV, and advertisements often encourage audiences to drink by making alcohol consumption seem appealing and sophisticated. What is the media not telling viewers about alcohol? A: The media is not telling the viewers about the consequences of

212. ## math

identify an integer x for which 2x/5 represents a ratio greater that 2:1 but less than 3:1

213. ## math

identify two rate pairs that represent the same ratio as a heart rate of 72 beats per 60 seconds