# Questions Asked onSeptember 5, 2011

1. ## physics

A bike first accelerates from 0.0 m/s to 5.0 m/s in 4.5 s, then continues at this constant speed for another 4.5 s. What is the total distance traveled by the bike?

2. ## Physics

Your friend has slipped and fallen. To help her up, you pull with a force F, as the drawing shows. The vertical component of this force is 140 newtons, and the horizontal component is 145 newtons. _____N and the angle

3. ## physics

A rock is thrown vertically upward with a speed of 14.0 m/s from the roof of a building that is 50.0 m above the ground. Assume free fall. In how many seconds after being thrown does the rock strike the ground? in s What is the speed of the rock just

4. ## Math

A turtle is at the bottom of a 12 foot well. Each day it crawls up 3 feet, but each night it slips back 2 feet. After how many days will the turtle reach the top of the well? ANSWER: The turtle will reach the top of the well after [ ] days... Thanks

5. ## world history

Which civilizations were likely to have contact with each other?Why? _answer: Indus valley and Shang because they are close geographically B)Between which lines of latitude did early civilizations develop? Why? _Between lines of 20N and 40N. Because at

6. ## math

my ones digit is 5 more than my tens digit. i am greater than 25 and less than 35

7. ## physics

Karen shouts across a canyon and hears an echo 3.1 s later. How wide is the canyon? The speed of sound is 343 m/s. Answer in units of m

8. ## Physics

Suppose that a NASCAR race car is moving to the right with a constant velocity of +92 m/s. What is the average acceleration of the car? (b) Twelve seconds later, the car is halfway around the track and traveling in the opposite direction with the same

9. ## Physics

a novice pilot sets a plane's controls, thinking the plane will fly at 2.5X10^2 km/h to the north. if the wind blows at 75 km/h toward the southeast, what is the planes's resultant velocity?

10. ## chemistry

Prepare 500mL of a 0.200 M acetate buffer at pH 4.90 using only pure acetic acid, 3M NaOH, and water. 1) Add acetic acid to ~400mL of water in a 500 mL beaker. How many grams of acetic acid are needed? 2)Add 3 M NaOH solution until pH is 4.90. What volume

11. ## Chemistry II

Liquid sodium can be used as a heat transfer fluid. It's vapor pressure is 40.0 torr @ 633 degrees C and 400.0 torr @ 823 degreees C. Calculate it's heat vaporization.

12. ## mathematics

if sinA+sinB=x and cosA-cosB=y then find tan[(A-B)/2]

13. ## Physics

A helicopter is lifting off from the ground and is moving vertically upward. The graph shows its vertical velocity vy versus time. How high is the helicopter after 12.0 s have elapsed?

14. ## Chemistry

Need help solving this problem. A 0.188g sample of unknown metal, X (s), produced 71.4ml of hydrogen gas when reacted with HCl according to the equation: X(s)+2HCl(aq)--> XCl2(aq)+H2(g) The gas was collected over water at 23 degrees C. The levels of water

15. ## Phyiscs

A stone falls from a railroad overpass which is 36 ft high into the path of a train which is approaching the overpass with a uniform speed. If the stone falls when the train is 50 ft away from the overpass and the stone hits the ground just as the train

16. ## physics

A passenger on a stopped bus notices that rain is falling vertically just outside the window. When the bus moves with constant velocity, the passenger observes that the falling raindrops are now making an angle of 18 with respect to the vertical. What is

17. ## Chemistry

how many C2H4 molecules are contained in 45.8 mg C2H4 when the molar mass of C2H4 is 28.05g/mol

18. ## Managerial accounting

The marketing department of Jessi Corporation has submitted the following sales forecast for the upcoming fiscal year (all sales are on account): 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Units to be produced 12,000 14,000 13,000 11,000 The selling

19. ## Physics

A parachutist descending at a speed of 19.6 m/s loses a shoe at an altitude of 41.6 m. What is the velocity of the shoe just before it hits the ground? The acceleration of gravity is 9.81 m/s2. Answer in units of m/s

20. ## chemistry

How many cubic centimeters of olive oil have the same mass as 1.30 L of gasoline? Olive oil 0.92g/mL, gasoline 0.66g/mL

21. ## Chemistry

In the manufacturing of computer chips, cylinders of silicon are cut into thin wafers that are 2.80 inches in diameter and have a mass of 2.00g of silicon. How thick (mm) is each wafer if silicon has a density of 2.33g/cm^3? (The volume of a cylinder is

22. ## Physical Science

A race car goes around a level, circular track with a diameter of 1km at a constant speed of 90 km/h. What is the centripital acceleration?

23. ## AP Chemistry

The formulas for ethanol and ammonium nitrate are C2H5OH and NH4NO3. In what respects are these formulas and compounds different? Am I supposed to say that there are different elements that make up the compounds?

24. ## math

A stone is tossed vertically into the air from ground level with an initial velocity of 15 m/s. Its height at time t is h(t)=15t-4.9t^2. Compute the stone's average velocity over the time interval [0.5, 2.5]. It says the answer is .3, but I keep getting

Hi, did I do these correctly? Thank you- 1. ¿Qué te gusta hacer? Me gusta nadar y andar en patineta. 2. ¿Te gustan los deportes? Sí, me gustan los deportes. 3. ¿Qué comida te gusta comer? Me gusta hamburguesa y unas papas fritas o la paella. Could I

26. ## Math

A drawer contains 22 black socks, 22 white socks, 22 blue socks, and 22 brown socks. If the light is off and Matt reaches into the drawer to get his socks, what is the minimum number of socks he must pull out in order to be sure that he has a matching

27. ## science

The radius of the Iron atom is 124 pm. How many of these will span a distance of 50.5 m..

28. ## Physics

A child traveling 5m/s on a sled passes her younger brother.if her average acceleration on the sledding hill is 2m/s,how fast is she traveling when she passes her older brother 4s later.

29. ## physics

An airport has runways only 132 m long. A small plane must reach a ground speed of 40 m/s before it can become airborne. What average acceleration must the plane’s engines provide if it is to take off safely from its airport? Answer in units of m/s2

30. ## Science

Most enzymes in the human body work best at 37 degrees Celsius, Imagine scientists have discovered an enzyme in the body that works best a t 39 degrees Celsius, what processes or functions might this enzyme be involved in?

31. ## Chemistry

I'm going crazy please help me out part 1 of 2 Determine the mass of anhydrous copper(II) sulfate that must be used to prepare 250 mL of 2.01 M CuSO4(aq). Which i found to be 80.204g part 2 of 2 Determine the mass of CuSO4.5H2O that must be used to prepare

32. ## Spanish 1-Please check someone

Hi, did I do these correctly? Thank you- 1. ¿Qué te gusta hacer? Me gusta nadar y andar en patineta. 2. ¿Te gustan los deportes? Sí, me gustan los deportes. 3. ¿Qué comida te gusta comer? Me gusta hanburuesa y unas papas fritas o la paella. Could I

33. ## physics

the two crates 40-kg and 60-kg are to be accelerated upward to a ship at the rate of 0.30-m/s2 determine the tension in each rope ?

34. ## U.S history 8th grade

who was the founder of roanoke island? that is the last question on my U.S history worksheet!!!!!

35. ## chemistry

Determine how much heat is evolved or absorbed when 40.0 g of lithium iodide completely dissolves in water.

36. ## Physics

From t = 0 to t = 5.00 min, a man stands still, and from t = 5.00 min to t = 10.0 min, he walks briskly in a straight line at a constant speed of 2.3 m/s. (a) What is his average velocity vavg in the interval 2.000 min to 7.90 min? I found this to be 1.15

What are the multiplication combinations for 180?

38. ## General Chemistry

A 0.1358g zinc metal reacts completely with Dil HCL to produce 52.20ml of H2(g) at 22.0 degrees Celsius. The hydrogen gas is collected over water at 22.0 degree Celsius and a barometric pressure of 755 mm Hg. The water vapor pressure at 22.0 degrees

39. ## Biology

Sponge bob notices that his pal Gary is suffering form slimotosis , which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that

40. ## Prob and Stats

The Roper Organization conducted identical surveys 5 years apart. One question asked of women was Are most men basically kind, gentle, and thoughtful? The earlier survey revealed that, of the 3,000 women surveyed, 2,010 said that they were. The later

41. ## Physics

Police find skid marks 66 m long on the highway showing where the car made an emergency stop. Assuming that the acceleration was -10 m/s2 (about the maximum for dry pavement), how fast was the car going?

42. ## MATH

FIND EACH ESTIMATE: 1) A RARE TRUFFLE ONCE SOLD FO \$13.20 FOR A 0.44 OZ CAN. APPROXIMATELY HOW MUCH WOULD 1LB OF THIS TRUFFLE COST? 2) THE LENGTH OF THE LONGEST LOAF OF BREAD MEASURED 1,405 FT 1 3/4 IN. IT WAS CUT INTO SLICES 1/2 IN. THICK. HOW MANY SLICES

43. ## AP Physics

A novice golfer on the green takes three strokes to sink the ball. The successive displacements are 3.80 m to the north, 1.90 m northeast, and 1.10 m at 30.0° west of south. Starting at the same initial point, an expert golfer could make the hole in what

44. ## Physics

A particle starts from xi = 10 m at t0 = 0 and moves with the velocity graph shown in the graph below. Sorry for no graph it's at 12 m/s when time is zero. Moves down consistently so that it is 8 at 1 4 at 2 0 at 3 and negative 2 at 4. (a) What is the

45. ## Math

Find a formula and graph the function: A ferris wheel is 20 meters in diameter and boarded in the six oclock position from a platform that is 4 meters above the ground. The wheel completes one full revolution every 2 minutes. At t=0 you are in the twelve

46. ## english

Facetious remarks often communicate serious ideas. An example is this comment by Mark Twain: "One of the most striking differences between a cat and a lie is that a cat has only nine lives." What is the serious meaning behind that remark? What might be the

47. ## MATH

POINTS A, B, AND C ARE COLLINEAR. IF AB=7AM AND BC =13CM WHAT IS AC ANSWER

48. ## math

A cuboid has a square base of side 18cm.The height of the cuboid is 10.4cm.Find its volume

49. ## physics

two boys on ice skates hold a rope between them. One is heavier than the other. The light weight boy pulls on the rope. how will they move and who will move faster?

50. ## physics

Given that the electric potential is 7.0×10^−2 V higher outside the cell than inside the cell, and that the cell membrane is 0.10 thick, calculate the work that must be done (in joules) to move one sodium ion from inside the cell to outside.

51. ## physics

mercury has a density of 1.36x10^4 kg/m. what is the density of mercury in units f g/cm?

52. ## AgBio1

Evidence shows that hippos and whales are closely related organisms. How might evolution and adaptation account for similarities and differences between them.? PLEASE HELP :o

53. ## Chemistry

The label on a 1-pint bottle of mineral water lists the following components. If the density is the same as pure water and you drink 3 bottles of water in one day, how many milligrams of each component will you obtain? calcium 28 ppm

54. ## physics

he speed of light in a vacuum is about 3.00 108 m/s how many kilometers a pulse from a laser beam travels in exactly 3.9 hours.

55. ## Chemistry

Answer check: I got 1.66 x 10^3 g O2 A steel cylinder contains 98.0 moles of oxygen gas at a temperature of 38 degrees C and a pressure of 740 torr. After some of the oxygen gas has been used, the pressure is reduced to 332 toor at a temperature of 24

56. ## Physics

A helicopter is ascending (moving upwards) at a constant velocity of 8 m/s. At a height of 90m, a passenger opens a window and drops a package to the ground below. How long does it take the package to hit the ground and how fast is it moving just before

57. ## MATH

POINTS A,B,AND CARE COLLINEAR .IF AB=7CM AND=13CM, WHAT IS AC'S ANSWERS

58. ## English

Can you please check these sentences I corrected myself on the basis of your suggestions? 1) On that particular night, unlike the preceding seven nights, the narrator opened the door with greater caution than the nights before. 2) However, he made a noise

59. ## Physics

A helicopter is ascending (moving upwards) at a constant velocity of 8 m/s. At a height of 90m, a passenger opens a window and drops a package to the ground below. How long does it take the package to hit the ground and how fast is it moving just before

60. ## Physics

A helicopter is ascending (moving upwards) at a constant velocity of 8 m/s. At a height of 90m, a passenger opens a window and drops a package to the ground below. How long does it take the package to hit the ground and how fast is it moving just before

61. ## Math

Find the rectangular coordinates of (7, 30°)

62. ## Pre-Calculus/Trig Check please and help

Could someone please check the first one and help me with the second one. I'm stuck-Thank you 1.What are theroots of the following polynomial equation? (x+2i)(x-5)(x-2i)(x+8) = 0 I think the roots are -2i,5,2i,-8-you take out the roots as opposites of what

63. ## physics

Jen sit on chair , the angle of lower leg 30 degree lenhg 40 cm. calculater center of mass

64. ## statistics

the breaking strength of a cable known to be normally distributed with a mean of 4000kg and a standard deviation of 25kg.The manufacture prefers that at least 95% of its products meet a strength requirement of 4050 kg.Is this requirement being met? If not,

65. ## BIOLOGY D:

Many medications used to treat human illnesses are based on substances found in other organisms. How might a decrease in biodiversity affect medical discoveries and treatments.? :o

66. ## College statistics

Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students.

67. ## English

Is it posssible to be too scrupulous about following rules? Describe a situation in which someone, perhaps an authority figure, was more concerned with the rules than with the welfare of the people involved. Do you agree or disagree with that person's

68. ## General Chemistry

Answer Check... A 3.00L sample of gas was collected over water at 45 degrees Celsius. The wet gas exerts pressure of 1.50atm. When dried the sample occupies 1.80L and exerts a pressure of 1.77 atm at 80.0 degrees Celsius. What is the vapor pressure of

69. ## Math

a set of building block includes various shapes and colors. If 10% of the blocks are cubes, then 40% of the cube blocks are red the what % of the blocks are red cubes?

70. ## biology

What are the associated organelles and structures of information storage and transferal?

71. ## stastistics

Historically, 5 percent of a mail-order firm’s repeat charge-account customers have an incorrect current address in the firm’s computer database. (a) What is the probability that none of the next 12 repeat customers who call will have an incorrect

72. ## Chemistry

An equilibrium mixture of propanoic acid, CH3CH2COOH and its conjugate base has a pH of 4.87. What form predominates after H3O+ is removed?

73. ## Physics

An average family of four uses roughly 1600 liters (about 400 gallons) of water per day. (One liter = 1000 cm3.) How much depth would a lake lose per year if it uniformly covered an area of 90 square kilometers and supplied a local town with a population

74. ## Physics

A helicopter is ascending (moving upwards) at a constant velocity of 8 m/s. At a height of 90m, a passenger opens a window and drops a package to the ground below. How long does it take the package to hit the ground and how fast is it moving just before

75. ## Science

How are these related? reractant, product, and chemical reaction

76. ## Physics

The x vector component of a displacement vector has a magnitude of 104 m and points along the negative x axis. The y vector component has a magnitude of 185 m and points along the negative y axis. (a) Find the magnitude of . ________m (b) Find the

77. ## Math

Write the rectangular equation in polar form. (x – 4)2 + y2 = 16

78. ## Math

how do you convert 1000 milligrams to grams ?

79. ## General Chemistry

Answer Check Please... A compund contains only hydrogen and nitrogen and is 12.6% hydrogen by mass. A gaseous sample of the compound has desity of 0.925g/L at 690 torr and 110 degrees Celsius. What is the molecular formula of the compound? My Empirical

80. ## Subjects

so on this website only teachers answer student's qs. or other students can answer other student's qs i'm just asking this site is really helpful :) :) :) these teachers are really helpful :)

81. ## physics

You walk 20 meters to the bus stop, but you notice you forgot your homework you run 20 meters back home. With homework in hand you walk 20 meters to the bus. What are your distance and displacement?

82. ## chemistry

a sample of waterunder study was found to boil at 102c at normal temperature and pressure.is the water pure?will the water freeze at 0c. comment

83. ## geometry

Suppose line PQ has endpoints P(2,3) and Q(8,-9). Find the coordinates of R and S so that R lies between P and S and line PR is congruent with Line RS which is congruent with line SQ

84. ## Math

what kind of math journals, essays, & projects you guys do in 7th grade math??? i'm really curious i saw the grading policy 2 my skool website here is the grading policy for math DISTRICT GRADING POLICY MATHEMATICS -70% FORMAL ASSESSMENTS (Tests, Quizzes)

85. ## geometry

line l bisects xy at M and divides xy into equal parts .name a pair of congruent lines

86. ## math

f(x) = 64 + 27cos(2pi/365(x+145)) what would be the period i tried by solving 2pi/(2pi/365) period = 365 but this doesn't seem right

87. ## Math

rays pq and qr are perpendicular. point s lies in the interior of

88. ## Calculus

Please help me calculate these integrals. Suppose that Int 0->1 f(t)dt=11 . Calculate each of the following. A. int0->0.25 f(4t)dt= B. int0->0.25 f(1−4t)dt= C. int0.25->0.375 f(3−8t)dt=

89. ## Physics

A 90 kg skydiver moving at terminal speed falls 76 m in 1.03 s. What power in kW is the skydiver expending on the air?

90. ## algebra

the sides of a triangle are in the ratio 3:4:5.what is the length of each side if the perimeter of the triangle is 78cm?

91. ## Statisitics

As a marketing analyst, you are responsible for estimating the level of sales associated with different marketing mix allocation scenarios. You have historical sales data, as well as promotional response data, for each of the elements of the marketing mix.

92. ## Seismology

How much is the rate of seismic wave energy with distance?

93. ## English

I tried to summarize briefly Scotland's history. Can you please have a look at it? Which form is correct: in 9th century/in the ninth century? 6th century (AD): 500-599 (is it correct?) 9th century (AD): 800-899 10th century: 900-999 1) The first

94. ## Statistics

Consider the following multiple regression results. Using a= .05 as the significance level, identify all statistically significant predictors. In a relative sense, which variable has the strongest impact? What is the interpretation of the “constant”

95. ## English

I have a research paper proposal due Wednesday, but no idea so far on how to begin. Is anybody there to help me?

96. ## algebra

simplify z-(2z-[3z-(4z-5z)-6z0-7z]-8z

97. ## maths

the plane has seats for 420 passengers 15% of the seats are empty how many passangers are on the plane?

98. ## math

A farmer walks into a store and heads for the counter. On the counter is a basket of hard-boiled eggs. The farmer says to the cashier,"I'll take half of your eggs plus half an egg." The next day he walks in the store and says to the cashier,"I'll take half

99. ## social studies

i need help with a U.S history question, how would i describe Roanoke? its an 8th grade U.S history question i need it FAST!!!

100. ## Algebra

To pass a course you need an average score of 60 or more. If your scores are 66, 72, 90, 49, and 59, find the minimum score that you can get on the 6th and last exam to pass the course.

101. ## Physics

In solid sodium chloride (table salt), chloride ions have one more electron than they have protons, and sodium ions have one more proton than they have electrons. These ions are separated at about 0.28 nm. Calculate the electrostatic force between the

102. ## algebra

solve using the multiplication principle -3a

103. ## physics

If a speeding car slams into a brick wall and comes to rest, how will the impulse that acts on it compare with gradually slowing down and coming to rest?

104. ## ahemistry

a sample of waterunder study was found to boil at 102c at normal temperature and pressure.is the water pure?will the water freeze at 0c. comment

105. ## algebra

solve the equation and state if it an identity ( all real numbers) or a contradiction(no solution) 5x+6+6x=10x+6+y

106. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y, y=4sin(x), y=e^(7x), x=0, x=pi/2

107. ## math

Mr Ahmad starts work at 11.40 on Tuesday.He works for 12h45min.When does Mr Ahmad finish his work?Express your answer usering the 24-hour clock

108. ## Calculus

Salary Contracy - A union contract guarantees a 10% salary increase yearly for 3 years. For a current salary of \$28.00, the salary S (in thousands of dollars) for the next 3 years is given by... S(t)= 28.00, 0

109. ## math213

In each of the following, order decimals from least to greatest a.24,9419, 24.942, 24,94189, 24.94199 b.-34.25, -34.251, -34.205, -34.2519

110. ## Bussiness

I have to find an article (magazine, newspaper, online) from a respected source of business / news content that addresses the impact of global trade on the global, U.S., or local economy. For printed articles, please scan and post as a PDF file. For online

111. ## calculus 2

find the volume of the solid obtained by revolving the region bounded by the graphs of y=2+4x-x^2 and y=2 about the line y=2.

112. ## trig

Write the expression and evaluate. There is only one answer whIch should match the range of the inverse trig function. Sec^-1(-2) I got 2pi/3 could someone tell me if that is right? And if not, could someone please explain how to get the answer.

113. ## Subjects

What's Content Support 7c ???? it says it in my schedule i'm going into the 7th grade this week plzzz answer also wat do u do ????? plzz answer plzzz i kno it's a helping class but do you learn the same thing in ur regular class ????? plzzz answer

115. ## Computer

Do you guys know anything about making A website on wordpress my brother is asking this qs. plzz Thank You :)

116. ## math

Could you use only the millions period to order 462,409,524 463,409,524 and 463,562,391

117. ## Physics

A helicopter is ascending (moving upwards) at a constant velocity of 8 m/s. At a height of 90m, a passenger opens a window and drops a package to the ground below. How long does it take the package to hit the ground and how fast is it moving just before

118. ## statistics

the breaking strength of a cable known to be normally distributed with a mean of 4000kg and a standard deviation of 25kg.The manufacture prefers that at least 95% of its products meet a strength requirement of 4050 kg.Is this requirement being met? If not,

119. ## AgBio1

Examples of Biotechnology? Risks and Benefits??? Thanks!:D

120. ## Chemistry

A mixture of He and CO2 in a flask at 45.0°C exerts a pressure of 955 torr. All of the CO2 is removed and is found to weigh 0.879 g. The pressure drops to 555 torr after the removal of CO2. What is the mass of He?

121. ## algebra

1. solve using multipication principle -3a

122. ## Challenger institution of technology

An airplane of mass 2800 Kg has just lifted off the runway. It is gaining altitude at a constant 2.3 M/s while the horizontal component of its velocity is increasing at a rate of 0.86 M/s2. Assume g= 9.81 M/s2. (a) Find the direction of the force exerted

123. ## Psychology

What are the stages of language production? Which one of these stages is the most crucial? Why? This is what I have thus far: Language production refers to the process involved in creating and expressing meaning through language. The four stages in

124. ## accounting

If you notice that your accounts receivable days outstanding has doubled in the first 6 months. Do you give someone a bonus or put hin or her on probation? Why?

125. ## MATH

A farmer walks into a store and heads for the counter. On the counter is a basket of hard-boiled eggs. The farmer says to the cashier,"I'll take half of your eggs plus half an egg." The next day he walks in the store and says to the cashier,"I'll take half

126. ## English

What do you do at the school's newspaper???? What kind of jobs do they assign???? Any artictles ideas ???? You i'm joining the school's newspaper cause i luv writing a lot :) plzz answer these question that will be very helpful & nice if you guys answer

127. ## Computer

What do you do at computer club (school club) ???? i'm just asking cause i'm also joining that club this yr check the school's website & no club info. just school adviser & what day of the meeting & rm # Thank You :) HAPPY LABOR DAY EVERYBODY !!!!! :)

128. ## Algebra

60 = (66+72+90+49+59+x)/6 Solve for x.

129. ## algebra

solve the equation if it an identity(all real numbers) or a contradiction(no solution) so state 5x+6+6x=10x+6+y

130. ## statistics

the breaking strength of a cable known to be normally distributed with a mean of 4000kg and a standard deviation of 25kg.The manufacture prefers that at least 95% of its products meet a strength requirement of 4050 kg.Is this requirement being met? If not,

131. ## Math

A ball is thrown off a cliff from a ht of 180 ft above sea level. The ht s of the ball above sea water level at time t is s(t)=-16t2+32t+180. When will the ball strike the water?

132. ## physics

If a stone is thrown upward at 29.7 m/s, what will be its velocity at a height of 12 meters?

133. ## Math !!!!!!!!

Ok i have a Summer Math Assignment & i really need help on this qs. it's part B of the qs. so i'll show you the whole thing Part 2. Extended Reponse Qs. (2 points each) Answer each qs.. Show all Work Qs. 5 Adrian correctly solved two equations in math

134. ## chemistry

What is empericle formul

135. ## anatomy & physiology

the portion of the nervous system that controls involuntary activities is a subdivision of the _______ nervous system? a) sympathetic b) central c)peripheral d) parasympathetic

136. ## History

How did the social unrest of the 1960s take root in the 1950s?

137. ## Physics

When would instantaneous speed be the same as average speed? would it be when the speed is constant? when the position changes linearly with time or would it be in the limit when the time interval goes to zero? I thought it would be when the speed is

138. ## Physics

what is the volume of an object whos density is 2.2 g/cm^3 and has a mass of 50 g?

139. ## English

Can you check these last two sentences, please? 1)The old man’s eye was open, which made the narrator angry. However, he kept still and said nothing. 2) When he wakes up he can see the size of his prison and realizes that the pit is about half the size

140. ## chippewa

FIND the ESTIMATE: 1) A RARE TRUFFLE ONCE SOLD FO \$13.20 FOR A 0.44 OZ CAN. APPROXIMATELY HOW MUCH WOULD 1LB OF THIS TRUFFLE COST?

141. ## Math

A video recorder costs \$259 and Ann pays 25 down on da purchase price. If Ann makes 6 equal payments after da down payment, wat must she pay each month?

142. ## Physics

When would instantaneous speed be the same as average speed? would it be when the speed is constant? when the position changes linearly with time or would it be in the limit when the time interval goes to zero? I thought it would be when the speed is

143. ## American History

3. In dissent, Justice Harlan wrote the "real meaning" of the railcar segregation law was to suggest that "colored citizens are so inferior and degraded that they cannot be allowed to sit in the public coaches occupied by white citizens." How might we

144. ## math

I am getting so confused with my math problems... Can you help me please?... The question is - Rounded to the nearest ten I am 800. I am not odd. All of my places have a value greater than 0. The number in my ones place is 1 less than the number in my tens

145. ## science

design an expirament to test if the price of the gasoline affects the mileage in my car. find the dependent variable.

146. ## English

I forgot to include these last statements. Thank you. 1) Macduff confesses to Macbeth that he was torn from his mother's womb by a surgeon before he was due to be born. 2) Macbeth believes that the witches played (have played?) with him since their

147. ## Math

I'm in Calculus AP and we are learning about limits. I'm having trouble with finding limits algebraically. So here's a sample that you can use to help explain this to me. Find the limit of lim x (arrow to the right) 1 x-1/x(squared)-1. Please help!

148. ## Physics

In solid sodium chloride (table salt), chloride ions have one more electron than they have protons, and sodium ions have one more proton than they have electrons. These ions are separated at about 0.28 nm. Calculate the electrostatic force between the

149. ## Science economic

Cesium 138 has a half life equal to 32.2 minutes. how long will it take for 2/4 of this sample to decay

150. ## physics

What is speed with direction known as

151. ## English

I left out these other sentences. Thank you very much. 1) After the death of Elizabeth I of England, Mary Stuart’s son, James IV of Scotland, became James I of England. In this way the two countries were united for the first time. 2) In 1707 Scotland

152. ## Social Psychology

The ways in which our self-perception is impacted by outside forces, some positive ways can be based on high academic achievement at school, positive results on the job that lead to affirmation from supervisors or even promotions, as well as even positive

153. ## Algebra

x is directly proportional to y and is inversely proportional to the cube of z.

154. ## calculus

Find so that the following function is continuous on any interval: f(x)=kx 0

155. ## English

Can you please check these statements on Macbeth? Thank you. 1) Macbeth doesn't feel safe because he is obsessed with the witches' prophecy about Banquo. He is worried that Banquo's son will take his place. He decides to have Banquo and his son killed. 2)

156. ## Physics

A car moving with a constant acceleration covers the distance between two points 80 m apart in 8.0 s. Its velocity as it passes the second point is 14 m/s.How far behind the first point was the car at rest?

157. ## Maths

May I please have help with this Calculate the following numbers into scientific notation 2500 nm – 7 pm

158. ## Algebra

Tell whether the sum is positive, negative, or zero. Explain n is positive and m is negative. n + (-m) is ?

159. ## Math, Sci, S.S., English

What's Content Support 7c ???? it says it in my schedule i'm going into the 7th grade this week (wednesday) plzzz answer also wat do u do ????? plzz answer plzzz

160. ## PreCal

Find the distance between P1(3, –195°) and P2(–4, –94°) on the polar plane. Round your answer to the nearest thousandth.

161. ## Science

Why does an ion have an electrical charge?

162. ## English

I left out a few more sentences I wrote on castles. I need a synonym for "ways, way" and a revision of sentence 2. Thank you very much. 1) Castles came to Britain with the Norman-French invaders. Indeed, castles were a key part of their way of controlling

163. ## Math

invested 2000 gains 0.2 every odd numbered month final value after first month? i've tried solving this with a formula, but every formula i come up with is wrong. Could someone tell me how to solve this and plug in the right numbers into a formula?

164. ## biology

What happens to denatured enzyme? Explain the reason with the help of the lock and key model. -i can explain for the denatured enzyme but how can i expalin it in term of the lock and key model....

165. ## English

I wanted to know of the various alternatives are possible? In question 5 I just wanted to know how I can calculate time before and after the birth of Christ. Thank you. 1)The Roman Emperor Hadrian had a wall built to keep the Scottish out. (to defend Roman

166. ## english

this is what i got as a answer i was wondering if it is correct #1- It's borrowing to much language and just switching a couple of words so its still plagiarizing. Each of the following exercises shows the original source, and then a student’s sentence

167. ## Geometry

The area of a rectangle is 54 centimeters squared. The side lengths are 2x+1 and x+2. What is the measure of each side

168. ## Information Technology

Hi! I am actually asked to create a cipher using NETBEANS to encrypt and decrypt messages.I have NEVER touched NETBEANS before and I am looking for someone to give me some information on how to run this cipher and the JAVA codes that should be generated in

169. ## Algebra

How do I graph how to raph -y>=4/3 (greater than or equal to) I don't understand what to do when the y is negative Any help would be greatly appreciated :)

170. ## physics

I'm suppose to draw velocity time and acceleration time graph for a rocket that is launched vertically into the air and falls back down to its initial height. We are to assume that x axis is up. So would I draw an curved figure like a downward parabola or

171. ## Calculus

What is the inverse function of.... f(x) = x^3 - 1 Whats the easiest way to solve this? Can I solve for 'x' first... Then switch 'x' and 'y'. Or do I have to switch 'x' and 'y' from the start?

172. ## math

how do you get the answer for .33 divided by .375?

173. ## math

what is z cube 3 plus z squared minus 7z-7 divide z squared minus 3z minus 4

174. ## geometry

The base of a triangle is (x + 16)inches and its height is (x + 9) inches. If the area is 130 square inches,

175. ## English

I'm posting sentence 3 again for you to check. I'm includinga few other sentences. 1) Macbeth starts to be haunted by Banquo’s ghost. At the feast he becomes pale because he sees Banquo’s ghost sitting at his place. 2) The fifth act opens with the

176. ## Subjects

What is National Jr Honor Socity ????? How do you get chosen ???? What do you REALLY do in it ??????? Also can you give me a pertange (srry i miss that i mean %) chart on grades plzz like wat 80 to 89 is that a B & a 3 ????? PLZZZZZ ANSWER !!!! :) :) :)

177. ## immunolory

what are mediators cells

178. ## Math !

This is a good paragraph (i'll xplain) On the Line below, explain how you determined the type the type of quardrilateral ploted on the grid. (i follow the directions all i had to do is plotted the point which i got a trapazid) I determined the type of

179. ## aging

what type of government programs are avaliable in Japan also what are some societal views of the elderly in Japan? any sources would be helpful that i could look at thanks

180. ## Chemistry

What are the differences between "wet gases" and "dry gases?" Wet gas - contains H2O whereas Dry gas - does not contain H2O? Dry gas only contain Hydrogen?

181. ## Legal Studies

Hi beautiful people! I need help finding statistics on the rates of incarciration/fines or other punishments for person convicted of victimless crime in Australia. Preferably Queensland. This is urgent, I simply cannot find the information and I would

182. ## english

Is this a run on or complete sentence? The desert is very hot during the day, the temperature in the desert may drop below freezing at night.

How do you say the class of economics and the class of anatomy in Spanish. I think it is la clase de economis y la clase anatomis. Accent should be over both (i's)

184. ## Subjects

can you get castlelearning for free or i have ti make an accont on my school website i will be having one (teachers will assign students to go on it gave them the username & password) i'm just asking it is for free lik you don't have to make an accont or

185. ## ag bio 1

examples of how structure and function are related in an organism

186. ## Subjects

What points, or grades averge in order to pass the 7th grade ??? i'm just asking so that way i can know

187. ## pre-calculus

Find the intercepts of the graph of x^2 + y^2 + 4xy - 2x + 7y = 8

188. ## algebra

60 = (66+72+90+49+59+x)/6 Solve for x.

189. ## Botany

Think of this example of an ecosystem: A large tree with grasshoppers, caterpillars and other animals eating the leaves, birds eating the leaf eaters, snakes eating birds and a hawk eating snakes. An energy pyramid that counts the number of organisms at

190. ## Science

3) What is the net force needed to accelerate a 5800g object 6.2 ms-2 ? (make sure you have the correct units)

191. ## TU

what is the interest of \$25,000, invested for 7yrs at 7% interest compounded

192. ## Algebra

Tell whether the sum is positive, negative, or zero. Explain n is positive and m is negative. n + (-m) is ?

193. ## math

finding the average in a a cosine graph. would the average be the the middle of the y-axis for the graph? for example, for y = cos x would the average be 0

194. ## algebra

where do the brackets go 2 x 3 to the 3rd power + 4 to = 4374

Case study: A former employee enters his employer's place of business claiming that the company owes him \$500 dollars in back wages. He argues with the manager, who then orders him off the premises. He refuses to leave, so the manager tells some other

196. ## English

How do i find the theme of a book/movie?

197. ## MATH help

sketch + describe graph of the curve parametrized by: x=1-3cos^(2)t y=-2+4sin^(2)t -infinity less than t less than infinity how would i go about solving this. i know that usually i can solve for t and than plug that in. But for this, i tried using cos^2 +

f(x)=-(x-1/2)^2(x+1) How to find the y-intercept of the function?

199. ## Subjects

Will i get a lot of homework in middle skoo ????? here r my classes Math F.A.C.S. Art Sci English Content Support 7c Gym Social Studies also if i did what to do ???? need tips ???? plzzz answer

200. ## algebra

solve 17/35=-x

201. ## algebra

4(2x-y)+2(y+3x)

202. ## English

is bullying is the main theme for The Skin I'm In ??? if it not the only one then r they any other theme for it

203. ## com/156

some red flag that indicate you should avoid particular souces

204. ## math

for piecewise functions do I connect all the functions? Ex: f(x): 2+x x less than or equal to -3 f(x): x^2 -3 less than x less than 1 f(x): 6 1 less than or equal to x I graphed this but I don't know where to connect the lines between f(x):2+x and f(x):

205. ## science

You have 10 ml of a 1:10,000 solution of hydrogen peroxide (H2O2). What is the molar concentration of the solution?

206. ## math

Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. Determine n(A) n(B) P(A) P(B) P(A|B) P(B|A)

207. ## math

I have a few other problems that I can't seem to understand... Question: Rounded to the nearest ten. I am 12,750. I am a multiple of 2. I use only 4 different number's in my 5 places... :-o

208. ## chemestry

what effect over the density of a soda will have the next changes: 1)fresh soda used (not flat) 2)diet soda accidentally dilluted with distilled water 3) regular soda accidentally dilluted with distilled water electronic balance always measures too high.

209. ## Math

How do you make the answer 10 using the numbers from either set only once in any order? set 1) 5, 6, 2 set 2) 3, 4, 6

210. ## MATH

invested 2000 gains 0.2 every odd numbered month gains 0.15 every even numbered month write function for n months? i've tried solving this with a formula, but every formula i come up with is wrong. Could someone tell me how to solve this and plug in the

211. ## Science

Can you give me a list of science fair topics something that relates art (lik markers blah blah blah) i want to do something kool this year for the sci fair plzzzz answer plzzz

212. ## AgBio1

how is a biosphere and ecosystem related? :o

213. ## biology

I need to describe the processes of fatty acid oxidation and synthesis in animal tissues, pointing out their similarities and differences. Please! I don't need an answer that is just copied and pasted from another website... Thanks,

invested 2000 gains 0.2 every odd numbered month gains 0.15 every even numbered month write function for n months? i've tried solving this with a formula, but every formula i come up with is wrong. Could someone tell me how to solve this and plug in the

215. ## algebra

what is 2/9 times b/9

216. ## astronomy

what good has astronomy produced?

4[2(3+5)+10}

218. ## Math

How do you make the answer 10 using the numbers from either set only once in any order? set 1) 5, 6, 2 set 2) 3, 4, 6