# Questions Asked onSeptember 18, 2011

1. ## math/chem significant figures

Which of the answers for the following conversions contains the correct number of significant figures? A)2.543 m x 39.4in/1m=100.1924in B)2 L x 1.06qt/1L=2.12 qt C)24.95 min x 1hr/60 min=0.4158 hr D)12.0 ft x 12in/1ft x 2.54cm/1in=370cm E)24.0 kg x

2. ## physics

A 5 000-N weight is held suspended in equilibrium by two cables. Cable 1 applies a horizontal force to the right of the object and has a tension, T1. Cable 2 applies a force upward and to the left at an angle of 37.0° to the negative x axis and has a

3. ## Physichs

A pedestrian is running at his maximum speed of 6.0m/s to catch a bus stopped by a traffic light. When he is 25m away from the bus the light changes and the bus accelerates uniformly at 1.0m/s^2. Find either (a) how far he has to run to catch the bus or

4. ## Physics

Figure 2-41 gives the acceleration a versus time t for a particle moving along an x axis. The a-axis scale is set by as = 13.0 m/s2. At t = -2.0 s, the particle's velocity is 10.0 m/s. What is its velocity at t = 6.0 s?

5. ## Chemistry

Given the following heats of combustion. CH3OH(l) + 3/2 O2(g) CO2(g) + 2 H2O(l) ΔH°rxn = -726.4 kJ C(graphite) + O2(g) CO2(g) ΔH°rxn = -393.5 kJ H2(g) + 1/2 O2(g) H2O(l) ΔH°rxn = -285.8 kJ Calculate the enthalpy of formation of methanol (CH3OH) from

6. ## physics

A ball is thrown upward with an initial velocity of 13 m/s. At what time does the ball reach the high point in its flight? (Use the approximate value of g = 10 m/s2, and remember that the velocity is equal to zero at the high point.)

7. ## home work help please

Complete the Multiple Pathways to Learning assessment and the Personality Spectrum assessment. Relate results to your personal study habits. Prepare a 350- to 700-word paper where you answer the following questions: · How may you use the study techniques

8. ## Algebra

The markup over dealer's cost of a new car ranges from 18% to 24%. If the sticker price is \$14000 over what range will the dealer's cost vary?

9. ## Chemistry

What is the empirical formula of a hydrocarbon that contains 89.94% C by mass?

10. ## chem (science)

Which of the following pairs of elements are likely to form ionic compounds: A) helium and oxygen B) magnesium and chlorine C) chlorine and bromine D) potassium and sulfur E) sodium and potassium F) nitrogen and oxygen I believe the answer is d and f Would

11. ## statistics

. In a sample of n = 6, five individuals all have scores of X = 10 and the sixth person has a score of X = 16. What is the mean for this sample?

12. ## Chemistry

Express 2.5M NaCl as a percent solution. what is the molar concentration of a 10% NaCl solution?

13. ## statistic help

Z score for worlds tallest man- Bao Xishun is the worlds tallest man with a height of 92.95 inch(or 7ft,8.95 inch).men have heights with a mean of 69.6 in. And a standard deviation of 2.8 in. 1. Convert Boa's height to a z score? 2. Does Boa's height meet

14. ## organic chemistry

state whether you would expect each of the following properties to be identical or different for the two enantiomers of 2-pentanol. Explain a)boiling point b)optical rotation c)solubility in hexane d)density e)solubility in (S)-3-methylhexane f)dipole

15. ## math

in a department store, there were a certain number of red t-shirts, blue t-shirts and yellow t-shirts. 3/7 of the t-shirts were red, 1/3 of them were blue, and the rest were yellow. If there were 20 more red t-shirts than blue t-shirts, how many yellow

16. ## Physics

Consider a toy car which can move to the right or left along a horizontal line (the pos- itive part of the distance axis) and a force applied to that car. Identify the force that would allow the car to move toward the right (away from the ori- gin) with a

17. ## science

Which of the following pairs of elements are likely to form ionic compounds: A) helium and oxygen B) magnesium and chlorine C) chlorine and bromine D) potassium and sulfur E) sodium and potassium F) nitrogen and oxygen I believe the answer is d and f

18. ## Physics

A roller coaster travels 170 ft at an angle of 47.5◦ above the horizontal. How far does it move horizontally? How far does it move vertically? Answer in units of ft

19. ## Chemistry

Given the Empirical formula: C6H7N, and a molecular mass of 372.52 g/mol, How do I find the MOLECULAR formula for the compound?

20. ## Physics

A 1200-N crate is being pushed across a level floor at a constant speed by a force of 260 N at an angle of 20.0° below the horizontal. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 260 N force is instead

21. ## Calculus

Suppose g (x) is increasing and concave up everywhere and g (A) = 9, g '(A) = 17, h = 0.01 estimate g(A-h)

22. ## chemistry

To what volume must 10.0ml of 5.00 M HCL be diluted to make a 0.500 M HCL solution ?

23. ## spanish

Form complete sentences using the information provided. Use indirect object pronouns and the present tense of the verbs Javier / prestar / el abrigo / a Gabriel

24. ## Chemistry

Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Balance the equation: Al2O3(s) + NaOH(l) + HF(g) -> Na3AlF6 + H2O(g) If 14.0 kilograms of Al2O3(s), 57.4 kilograms of NaOh(l), and 57.4 kilograms of

25. ## Organic Chemistry

An impure sample contains 0.95g of benzoic acid and 0.05 of salicylic acid. Solubilities in water of the two compounds are given in the following table. Solubility at 20 degrees (g/10mL) benzoic acid: 0.029 salicylic acid: 0.22 Solubility at 100 degrees

26. ## Physics

A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass of 32 kg. (a) How far will it move in 4.0 s, starting from rest? (m) (Ignore friction.) (b) How far will it move in 4.0 s if the shopper places his 30 N

27. ## Physics

A kayak is moving across a stream that is flowing downstream at a velocity of 4 km/hour. The kayak's velocity is 3 km/hour. What is the magnitude of the kayak's velocity relative to the river bank?

28. ## Chemistry

An unknown compound contans only C, H, and O. Combustion of 5.70 g of this compound produced 11.4g of CO2 and 4.66g of H2O. What is the empirical formula of the unknown compound? CHO

29. ## Finance

Investment X offers to pay you \$5,500 per year for nine years, whereas Investment Y offers to pay you \$8,000 per year for five years. Which of these cash flow streams has the higher present value if the discount rate is 5 percent? If the discount rate is

30. ## physics

Momentum: three balls move in the same straight line. Balls A and B move in the same direction at velocities of 2m/s and 8m/s respectively. Ball AC moves in the opposite direction at 6m/s and collides with ball B, whereafter ball B collides with ball A.

asked by Juls Secondary high school
31. ## Chemistry

How many milliliters of 5M H2SO4 are required to make a 1500ml of a .002M H2SO4 solution. I used the formula M*L=M * L so mL *5 = 1500 * .002 I got .6mL is this right?

32. ## MATH help

A box with no top is to be constructed from a piece of cardboard whose Width measures x inch and whose length measures 3 inch more than the width the box is to be formed by cutting squares that measure 1 inch on each side of the 4 corners and then folding

33. ## Chemistry

The combustion of 1.0 of gasoline releases 11 of heat (density of gasoline = 0.74 ). How many megajoules are released when 1.5 of gasoline burns?

34. ## Chemistry

Calculate the percent composition by mass of each element in Al(OH)3 Use at least 3 significant figures. %Al = %O = %H=

35. ## Physics

A ball is thrown horizontally from a height of 19.17 m and hits the ground with a speed that is 4.0 times its initial speed. What was the initial speed?

36. ## physics

A convex mirror is needed to produce an image that is nine-tenths the size of an object and located 21 cm behind the mirror. What focal length should be specified?

37. ## physcis!

A car accelerates from rest at 4.9 m/s2. How much time does it need to attain a speed of 6 m/s?

38. ## Chemistry

how many grams of F are in 335 g of CaF2?

39. ## Physics

A superhero ﬂies 235 m from the top of a tall building at an angle of 15◦ below the horizontal. What is the horizontal component of the superhero’s displacement? Your answer must be within ± 5.0%

40. ## physics

An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 1.3 cm, and the electric field within the capacitor has a magnitude of

41. ## chemistry

From a 1M Tris solution, how is a 400ml of 0.2 M Tris prepared? I have no idea where to start

42. ## physics

turner's treadmill starts with a velocity of -3.4 m/s and speeds up at regular intervals during a half hour workout. after 26 minutes the treadmill has a velocity of -7.6 m/s. what is the average acceleration of the treadmill during this period? answer in

43. ## World studies

what trends led to the rise of nativism, and how did it influence party politics?

44. ## physics

A stone is dropped from the roof of a tall building. A person measures the speed of the stone to be 49 m/s when it hits the ground. What is the height of the building?

45. ## grammar

A mixture of jazz and classical idioms, the music of Gershwin was more innovative than most of his contemporaries. Can somebody tell me what's wrong with this sentence and why? I don't understand. :(

46. ## Math

determine the intervals over which the function is increasing, decreasing, or constant f(x)=√x^2-1

47. ## Government US

A written Supreme Court opinion that, in the absence of a majority opinion, represents the reasoning of most of the justices who side with the winning party is a a. plurality opinion. b. concurring opinion. c. leading opinion. d. prevailing opinion. e. per

48. ## Physics

A particle travels to the right at a constant rate of 6.8 m/s. It suddenly is given a vertical acceleration of 1.8 m/s2 for 5 s. What is its direction of travel after the acceleration with respect to the horizontal? Answer between −180◦ and +180◦ and

49. ## Physics

A pitcher throws a baseball horizontally from the mound to home plate. The ball falls 0.995 m (3.26 ft) by the time it reaches home plate 18.3 m (60 ft) away. How fast was the pitcher's pitch?

50. ## Government US

The laws applicable to a case a. reveal the relevant circumstances of the case, and are determined solely by trial courts. b. are more important than the facts of a case, and supersede the facts when the two conflict. c. constrain the judiciary, because

51. ## Chemistry

Complete combustion of 8.00 g of hydrocarbon produced 26.0g of CO2 and 7.99g of H2O. What is the empirical formula for the hydrocarbon?

52. ## Physical Science

Ninety kilojoules of heat were added to a 2.0-kg piece of wood whose temperture then rose from 20 degrees Celsius to 48 degrees Celcius. What was the specific heat of the wood?

53. ## Physics

A pitcher throws a baseball horizontally from the mound to home plate. The ball falls 0.995 m (3.26 ft) by the time it reaches home plate 18.3 m (60 ft) away. How fast was the pitcher's pitch?

54. ## physics

A charge of 8 pC is uniformly distributed throughout the volume between concentric spherical surfaces having radii of 1.7 cm and3.7 cm. What is the magnitude of the electric field 2.6 cm from the center of the surfaces? Let k_e=8.98755*10^9 N*m^2/C^2 I

55. ## french

How Do You Write In The Passe Compose? ex: elle descend en ville avec son amie. how do i turn that into a passe compose

56. ## geometry

points a b and c are collinear if the distance from point a to point b is 8 more than twice the distance from point b to point c and the length of segment ac is 5 times the length of segment of bc, how long is segment ac

57. ## statistics

In a certain college, 55% of the students are women. Suppose, we take a sample of two students. Use a probability tree to find the probability that at least one of the two students is a woman.

58. ## Algebra

Identify the triangle PQR as isosceles ( two sides equal length) equilateral (three sides of equal length) a right triangle, or a scalene triangle (three sides of different length)

59. ## science

A 0.25 kg length of aluminum wire is warmed 10.0 degrees by an electric current. How much heat was generated by the current?

A car accelerates from rest at 4.9 m/s2. How much time does it need to attain a speed of 6 m/s?

61. ## Native American Literature

How are the tensions of the time of Native American literature (Pre-1600) reflected in American literature? There were a lot of white people at the time, that looked down on Native Americans. The white people would always try to steal their land and cause

62. ## Physical Science

The specific heat of granite is 0.80 kJ/kg*Celsius. If 1.6 MJ of heat are added to a 100-kg granite of statue of James Prescott Joule that is origanlly at 18 degrees Celsius, what is the final temperture of the statue? No one has been able to answer this

63. ## statistics

1. Use the following information about a group of college students: Fifty percent are taking Algebra. Sixty percent are taking Biology. Thirty percent are taking both Biology and Algebra. A student from the group is selected at random, calculate the

64. ## College Physics

The Daytona 500 stock car race is held on a circular track that is approximately 2.25 miles long, and the turns are banked at an angle of 32.5°. It is currently possible for cars to travel through the turns at a speed of about 189 miles per hour. Assuming

65. ## Physical Science

A tire contains air at a pressure of 2.8 bar at 10 degrees Celsius. If the tires volume is unchanged, what will the air pressure in it be when the tire warms up to 35 degrees Celsius as the car is driven?

66. ## CHEMISTRY

A STUDENT STUDYING THE FE+3- HSCN equilibrium put into a test tube 10.00ml of 2.00 x 10-3 M Fe(NO3)3 with 10.0 mL of 2.00 x 10-3 M HSCN.THE H+ in the resulting solution was manteined at 0.500.By spectrophotometric analysis of the equilibrium solution, the

67. ## DRAMA

One difference between tragedy and comedy is that tragedy A. uses supernatuarl elements B. usually features an extraodinary hero. C.makes us laugh at ourselves,not others. D. uses metaphors and analogy to make its point

68. ## math

Take away 1 toothpick, move some others, and leave 1. I don't get it.

69. ## algebra 1

From a shipment of 350 light-bulbs, a sample of 70 was selected at random and tested. If 21 light-bulbs in the sample were found to be defective, how many defective light-bulbs would be expected in the entire shipment?

70. ## Excel Problem

If the initial temperature is 115 F (46 degrees C), the cold water temperature is 1.7 (degrees C), and the volume and volumetric flow rate are 3,000 liters and 30 liters per minute, respectively, (a) Calculate the expected water temperature at 5-minute

71. ## calculus

cos^-1(cos15pi/6)

72. ## geometry

find x if ac=2x-1 and ae=x2-2

73. ## Physics

A car accelerates uniformly in a straight line from rest at the rate of 2.7 m/s 2 . What is the speed of the car after it has traveled 58 m? Answer in m/s

74. ## Chemistry

What is the empirical formula of a compund composed of 3.25% hydrogen(H), 19.36% carbon(C) and 77.39% oxygen(O) by mass?

75. ## Chemistry

Nickel metal reacted with oxygen: Ni (s) + O2 (g) --> Ni2O3 (s). 95.00g of Nickel is reacted with 2.000L oxygen at 10.56 atm and 30.00 degrees Celsius. At the end of the reaction the pressure was reduced to 7.56 atm at the same temperature and volume. How

76. ## physics

John kicks a soccer ball 12 m/s at an angle of 40.0 degrees above the horizontal. What is the ball's maximum height? Where does the ball land?

77. ## physics

When point charges q1 = +5.4 ìC and q2 = +8.3 ìC are brought near each other, each experiences a repulsive force of magnitude 0.69 N. Determine the distance between the charges. i used the eqution F=k(q1)(q2)/r^2 . i got 7.64E5 but it is not right .can

78. ## science

A sample of metal has a mass of 94.5 grams and a volume of 7 civic centimeters. What is its density?

79. ## physics

car comes to a stop over distance of 30.0m after the driver applies brakes. If the car decelerates @ contant rate of 3.50m/s2, what was the car's origianl sped?

80. ## College Physics

Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher, and knows that

81. ## statistics

It is known from the records of the City Schools that the standard deviation of Algebra scores is 6.0. A sample of 200 students from the system was taken and was found out that the sample mean score is 75. Previous tests showed the population mean to be

82. ## physics

A bus that is traveling at 35.0 km/h, speeds up at a constant rate of 3.4 m/s2. What velocity does it reach 6.8 s later?

83. ## Physical Science

A 156-kg coil sheet steel is 0.80 mm thick and 50 cm wide. How long is the steel in the coil?

84. ## College Algebra

a hardware store owner chooses to enclose an 800 square foot rectangular area in front of her store so that one of the sides of the store will be used as one of the four sides of the fence. if the two sides that come out from the store front cost \$3 per

85. ## Physical Science

A bridge in Sweden carries the Gota Canal over a highway. What, if anything happens to the load on the bridge when a boat passes across it in the canal?

86. ## Chemistry

What is the maximum mass of S8 that can be produced by combining 92.0g of reactant? 8SO2 + 16H2S -> 2S8 + 16H2O

87. ## Physics

Two ants race across a table 65 cm long. One travels at 5.76 cm/s and the other at 3.99999 cm/s. When the first one crosses the finish line, how far behind is the second one?

88. ## physics

A 747 jetliner lands and begins to slow to a stop as it moves along the runway. The mass is 2.8 105 kg, its speed is 28.5 m/s, and the net braking force is 4.15 105 N.

89. ## chemistry

what do glass, water, carbon dioxide, plastic wrap, and air have in common

90. ## chemistry

A doctor has ordered that a patient be given 11 of glucose, which is available in a concentration of 60.00 glucose/1000.0 of solution. What volume of solution should be given to the patient?

91. ## Chemistry

A 185.325 g sample of a compound of carbon, nitrgoen and hydrogen is burned completely. Calculate the empirical formula if 225.0 g of water and 230.0 g of NO2 is formed. In another experiment the sample was found to have a density of 10.9 g/L at 1.20 atm

92. ## Physical Science

Tempertaures in both Celsius and Fahrenheit scales can be negative. Why is a negative tempertaure impossible on the absolute scale?

93. ## Math

A bag contains 6 black balls,5 red balls and 4 white balls,if 3 are selected at random without replacement determine the probability that (1)all 3 are black (2)all 3 are red (3)2 are black and 1 white (4)at least 1 of each colour is selected.

94. ## sciecnce (hypothesis)

Am doing a experiement with a egg and trying to see if the shell dissolves hypothesis: If the solution is vinegar then the egg shell will dissolve. Is the hypothesis correct

95. ## science

A race car travels northward on a straight, level track at a constant speed travels 0.756 km in 18.0 s. The return trip over the same track is made in 23.0 s

96. ## English

1. I have lived there since I was born. 2. I have lived there since 2000. 3. I have lived there since in 2000. 4. I have lived there since I was 8 years old. 5. I have lived there for about 8 years. (Would you check the sentences? Which ones are not

97. ## English

Thank you very much. Can you check the word choice in the following sentences, too? Thank you. 1) With the death of Elizabeth in 1603 the Tudor line died out and James VI (1603-1625) became the first Stuart King in England. 2) James I believed that the

98. ## physics

What can you say about the direction of the resultant force on the plane as a jet plane lands?

99. ## physics

a car enters the freeway with a speed of 5.6 m/s and accelerates uniformly for 2.7 km in 3.0 minutes.How fast is the car moving after this time? answer in units of m/s

100. ## math

A nurse wants to add water to 18 ounces of a 10% solution of benzalkonium chloride to dilute it to an 8% solution. How much water must she add? (Hint: Water is 0% benzalkonium chloride.)

101. ## Math

A box with no top is to be constructed from a piece of cardboard whose Width measures x inch and whose length measures 3 inch more than the width the box is to be formed by cutting squares that measure 1 inch on each side of the 4 corners and then folding

102. ## Physical Science

The specific heat of granite is 0.80 kJ/kg*Celsius. If 1.6 MJ of heat are added to a 100-kg granite of statue of James Prescott Joule that is origanlly at 18 degrees Celsius, what is the final temperture of the statue?

103. ## English/Lit

I posted this earlier and someone suggested google-I did research various sites but I was wondering if anyone could perhaps check my answers and see if they would be a correct analysis-thank you I have two questions I'm working on for home work-could you

104. ## Chemistry

A compound is 54.52% C, 9.15% H, and 36.32% O by mass. What is the empirical formula? The molecular mass of the compound is 132 amu. What is the molecular formula?

105. ## Algebra

Find X such that the point (X, 8) is 13 units from (7, -4)

106. ## Chemistry

What is the maximum mass of S8 that can be produced by combining 92.0g of reactant? 8SO2 + 16H2S -> 2S8 + 16H2O

107. ## chemistry 20

4al+3o2 2al2o3 what volume of o2 do you need to use up 100kg Al at SATP

108. ## Algebra

Hello, I have been trying a few ways to do this problem and am not having success. The sum of four consecutive odd integers is -212. Write an expression for the second, third and fourth odd integers. Use these expressions to write, and solve an equation to

109. ## math

Empirical rule the authors generac generator produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volt,and the voltage have a bell-shape distribution.using the empirical rule,what is the approximate percentage of voltage

110. ## Physics

A particle travels between two parallel ver- tical walls separated by 39 m. It moves to- ward the opposing wall at a constant rate of 8.8 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s2 . 39 m 9.8 m/s2 8.8 m/s a)

111. ## chemistry

A 51 kg person drinks 330. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 18% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake? [Hint: The work done in

112. ## geometry

This is for SAT prep :( Semicircular arcs AB,AC,BD,CD divide the circle above into regions. The points show along the diameter AD divide it into 6 equal parts. If AD=6, what is the total area of the shaded regions? a.4pi b.5pi c.6pi d.12pi e.24pi Here is a

113. ## Math

Mr. Smith bought shoes for \$ 120 and a suit for \$ 340. Find the total cost including tax if the tax rate is 5.5%. (a)\$ 485.30 (b)\$ 48.53 (c)\$ 358.70 (d)\$ 460 (e)\$ 406 I cant figure out how to solve this problem but what i did was added the 120 and 340 and

114. ## Math

Find the finance charge (interest) due on a 9-month loan of \$2,400 at a simple interest rate of 10%.(Use the formula for simple interest: Interest Earned = Principal×Rate×Time) (a)\$ 18.00 (b)\$ 1,800 (c)\$ 180 (d)\$ 1.80 (e)\$ 18 I put in 2400*9*.10 and it

115. ## physical science

a tennis ball travels the full length of the court,24m, in 0.5s. what is the average speed

116. ## Physics

A car accelerates uniformly (a = constant) from 34 meters/second up to 40 meters/second in 4.0 seconds. What is the acceleration of the car in meters/second2?

117. ## history

what were the similarities and differences between lady Jane Grey and Mary queen of Scots?

118. ## physics

A rocket if fired vertically up from ground with resultant vertical acceleration of 5m/s.The fuel is finished after 2 minutes and the rocket continues to for sometime.How long after fire the max height will be reached?

119. ## physics

Two point charges, +4.00 ìC and -7.00 ìC, are separated by 2.20 m. What is the electric potential midway between them?

120. ## Statistics

The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68 Display the data in a stem and leaf plot. find the mean, median, mode, range, variance, and standard deviation.

121. ## Survey of Mathematics

In a recent article, the author states that 71% of adults do not use sunscreen. Although 71% is a large percentage, explain why it could be misleading. As you answer the questions above, identify what types of misrepresentation or misuse have been

122. ## Calculus

Hard rubber ball is thrown down from a building with a height of 5 metres. After each bounce, the ball rises to 4/5 of its previous height. Total vertical distance d ball has travelled at the moment it hits the ground for the 8th time, to the nearest 10th

123. ## MATH

There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each

124. ## physics

A truck at rest at a stoplight accelerates uniformly with acceleration a = 8 meters/second2 for 5.5 seconds after the light turns green. What is the speed of the truck in meters/second after that time interval?

125. ## Native American Literature

Why did the Native Americans use the types of writing and genres that they did? Genres: Native American literature's, stand apart as a separate tradition that is itself strong and varied. This culture had rich, established literature. Legends, folktales,

126. ## Chemistry

What is the molarity of a solution of sucrose that has a density of 1.24g/ml and a molecular weight of 342.3g/mol

127. ## English

I have two questions I'm working on for home work-could you check my answers and advise me the direction I should go-if they're right or wrong??Thank you In the poem "Rape," Adrienne Rich uses the word "machine" instead "typewriter" whenever she describes

128. ## Physics

An automobile and train move together along parallel paths at 31.6 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 44 s, then accelerates back to a speed of 31.6 m/s at

129. ## Physics

Two vectors of magnitudes 25 N and 22 N act at right angles to each other. What is the magnitude of their resultant? Answer in units of N

130. ## Algebra

Find distance between the two points and the midpoint of the line segment joining them (-1,1)and (-3,-2)

Hi, I have a queestion on Gas Chromatography(GC). The following were injected into the GC systemk: - 1) 1% sample solution in acetone 2) a 500 times dilution of item 1) The retention time of the main peak in the diluted sample solution 2) shifted by ~

132. ## Physics

A car initially moving at 15 m/s accelerates at 4.5 m/s2 over a distance of 10 m. Find the final velocity?

133. ## English

Thank you very much. Could you check these sentences on history, too? 1) As Pope Clemens VII refused to declare his first marriage invalid, Henry broke with Rome and declared himself “Supreme Head of the Church of England” by means of the Act of

134. ## geometry

If R is the midpoint of AB and S is the midpoint of BC and AS:SC=3:2, determine the length of BS if AC=50.

135. ## chemistry

If 16.9 g sodium carbonate is obtained from the thermal decomposition of 75.0 g of sodium hydrogen carbonate according to the unbalanced equation, NaHCO3 ¨ Na2CO3 + H2O + CO2 What is the percent yield?

136. ## Physics help

Orville walks 270 m due east. He then continues walking along a straight line, but in a different direction, and stops 230 m northeast of his starting point. How far did he walk during the second portion of the trip and in what direction? Please I need a

137. ## MATH HELP Calculus

Im stuck on a lot of questions, here they are: 24 + 12 + 6 + ...(S7) Sn = 24(2^7-1)/2-1 S7 = 24(127)/1 S7 = 3048/1 Thats what I got as an answer, but it's wrong, the real answer is a fraction answer, and its 381/8. How did they get that??? The other one

138. ## English

1, How does she look? 2. What does she look like? 3. How does she feel? 4. What does she feel like? - She looks surprised. (What is the suitable questions for the answer?)

139. ## Anyone good at geography

find the location of Paris within France and within Europe as a whole. Paris lies next to the river Seine i don`t know what to write for the europe bit. thanks

140. ## economics

Do you think lotteries have both micro and macro economic effects or only micro? How do lotteries change what and for whom goods and services are produced?

141. ## Chemistry

A piece of Na metal undergoes a complete reaction with H2O (l0 to produce sodium hydroxide and hydrogen. If 24.0 g of Na in a 3.50 L container is reacted with an excess amount of water at 25 degrees Celsius, calculate the total pressure (in atm) in the

a dog can run as fast as 39.35 miles per hour.without calculating,would about 12,14,or 16 be a reasonable answer for the number of miles a dog could run at this rate in 0.4 hour?Explain your reasoning.

143. ## Math

Jake is planning to fence his garden. His garden is 10 feet long and 5 feet wide. What is the amount of area Jake wants to fence? Is this a perimeter or area question? That's all I need.

144. ## Physics - HELP! PLEASE

The problem is from fundamentals of physics 9th edition by halliday. Here is a free download of the book since I couldn't post the graph (I had to write out link since site doesn't allow links to be posted): tripplew period sendspace period com/file/shrz0x

145. ## programming

How do you write a program that prints out your course schedule for a week? Here's an example of the output for one day: Monday 9:00 Computer Science 101 Monday 11:00 Physics 201 Monday 2:00 Dance 153

146. ## Native American Literature

What were some of the types of writing and genres for Native American Literature, that were predominant during the 1600s when there literature was discovered? I think their type of writing was based on naturism, since they were one of nature, but I do no

147. ## physics

a driver of a car traveling at 15.6 m/s applies the brakes causing a uniform deceleration of 2.1 m/s squared. how long does it take the car to accelerate to a final speeed of 10.9 m/s. answer in units of seconds

148. ## chemistry

A 150.0-mL sample of Solution A is diluted to a total volume of 423 mL to form Solution B. If the concentration of Solution A was originally 20.0 mg/L, what is the concentration (in mg/L) of Solution B?

149. ## Informal Logic-Pls chk ans

The sentence "P → Q" is read as (3) P or Q P and Q If P then Q Q if and only P 2. In the truth table for an invalid argument, (2) on at least one row, where the premises are all true, the conclusion is true. on at least one row, where the premises are

150. ## science

I have two questions I need help with please. Thank you! 1)Mitochondria, the energy-processing organelles in eukaryotic cells, have their own DNA, separate from that of the cell’s nucleus. Which of the following choices best explains the presence of

151. ## Logic

The sentence "P → Q" is read as (3) P or Q P and Q If P then Q Q if and only P 2. In the truth table for an invalid argument, (2) on at least one row, where the premises are all true, the conclusion is true. on at least one row, where the premises are

152. ## Chemistry 12

How do we determine the specific gravity of a solution? and what unit is it in?

153. ## Calculus

Legend has it that long ago a kind was very pleased with the game of chess that he decided to reward the inventor of the game Anna, with whatever she wanted. Anna asked for a resource instead of money. Specifically, she asked for one grain of wheat for the

154. ## physics

Express 10 to the negative 7 meters into nanometers. Answer in nanometers.

155. ## history

what might cause a young woman or child to have been accused of witchcraft in the 16th century and what might they have to do to prove their innocence?

156. ## English

I tried to simplify some of the sentences, as you suggested to me. Can you please check if everything is OK? 1) Puritans was the name given to the more extreme Protestants within the Church of England. They disapproved of both the rites and the bishops of

157. ## Chemistry

The following are the optical properties of three materials A,B and C. Property A B C reflectivity 0.85 0.15 0.001 Absorptivity 0.1 0.7 0.1 a) Determine the transmissivity of the materials b) which material heats up fastest when illuminated? c) which one

158. ## Native American Literature

How are the tensions of the time of Native American literature (Pre-1600) reflected in American literature? I know that Native Americans were the first people to start writing literature, or telling oral stories. They were one of peace and nature. Some of

159. ## chemistry

Calculate the concentration (in mg/L) of a solution formed by dissolving 5.000 g of solute in enough solvent to make 2.300 L of solution.

160. ## world geography

Exports of tin and silver were the mainstays of the _______ economy for many decades. However, today, as the market for tin has declined, the country has become an exporter of other metallic ores, such as gold.

161. ## Physical Science

I need someone to go over and correct my answers please, I was haveing trouble on these three. What is the wave speed for a wave of 5 meters wavelength that has a frequency A) 25.6 m/s. B) 64 m/s. C) 128 m/s. D) 640 m/s. I think its a A string on a guitar

162. ## English

1. If I had a lot of money, I would buy a new laptop. 2. As I don't have a lot of money, I don't buy a new laptop. 3. If I had had a lot of money, I would have bought a new laptop. 4. As I didn't have a lot of money, I didn't buy a new laptop. (Does #1

163. ## Biology

Describe how DNA is converted, during transcription, into mRNA through initiation, elongation and termination. In addition, describe how RNA is converted to proteins through the steps of initiation, elongation, and termination.

There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each

165. ## statistic

Chebyshev's thereon- the author's generac produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volt. using chebyshev's theorem,what do we know about the percentage of voltage amounts that are within 3 standard deviations of

166. ## English 12 (URGENT!!!)

Sorry to repost this. I am still a bit confused of the last post. No Man is an Iland: "any man's death diminishes me, because I am involved in mankind" My teacher asked me for my opinion, is the quote true and I answered yes. Now I need proof to back up my

167. ## Calculus

differentiate: y=sin^2(x)- cos^2(x) I have this: y'= 2cosx + 2sinx What do i do next??

168. ## Math

A dress is on sale at 15%, off the regular price. If the sales price is \$110.50, what is the exact regular price? (a)\$ 275.00 (b)\$93.50 (c)\$94.00 (d)\$ 95.00 (e)\$ 130.00

169. ## English

Here are some more sentences on the same theme. Thank you. 1) Puritans was the name given to the more extreme Protestants within the Church of England. They disapproved of both the rites and the bishops of the Church of England and wanted to reform the

170. ## English

1. To make a snowman was fun. (What is the part of speech of 'fun'? A noun of an adjective?) 2. I make it a rule to get up at five in the morning. 3.I regard it natural to study math every day. (Are the two sentences grammatical?) 4. The boat rocked so

171. ## geometry

find x if segment AC=2x-1 and segmentAE=x^2-2 how do I find x

172. ## statistics

A survey was conducted to determine the proportion of male and female respondents who are in favor of a sales training program of a bottling company. 120 out of 400 males and 130 out of 500 females are in favor of the issue. Is there a significant

A piece of copper contains 3.6 x 10^8 atoms. What is the volume of the sample in units of liters? I know that first you have to get atoms to cancel out but them I do not know what to do!

174. ## english

Hi, I need help finding these 3 questions please: I couldn't find them, thanks!!(1) what are the ethical concerns of embryonic stem cell research? (2) what are the benefits of related to adult stem cell reseach? (3) who are the voices in our society who

175. ## algebra

The lenghth c of the colorado river is three times the length r of the conneticut river plus 229 miles

176. ## College Algebra

If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false

177. ## Child Development

Please help I am correcting my child's homework. which of these theories would be considered behaviorism and why? A. Psychosocial Theory B. Social Learning Theory C. Cognitive-Development Theory D. Sociocultural Theory

178. ## Modern Physics

(7) Show that if a particle moves at an angle θ with respect to the x-axis with speed u in frame S, then it moves at an angle θ′ with the x′-axis in frame S′ with tanθ′ = sinθ /( γ(cos θ − v/u)) Assume that S′ moves in the +x direction

179. ## Geometry

If there are 10 points on a lone how many line segements does that make?

181. ## MATH! URGENT!!!

There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each

182. ## Math

A bag contains 6 black balls,5 red balls and 4 white balls,if 3 are selected at random without replacement determine the probability that (1)all 3 are black (2)all 3 are red (3)2 are black and 1 white (4)at least 1 of each colour is selected.

183. ## calc

lim x-> 2- = 2x-x^2/x-2

184. ## Calculus

How many terms are required in the series (-6) + (-12) + (-24)... to add to a sum of -378? How do I do this?

185. ## Earth Science

What are FIVE tools that we use to help us extend our senses when making quantitative observations?

what is the gist of proximate cause? why do courts struggle with its concept?

187. ## science

Most proteins (do or don't) pass through the plasma membrane? Explain? Substances that dissolve in (lipids or water) can more readily pass across the plasma membrane. Explain Ions can cross the plasma membrane more easily if they have the (same or

Assignment is: One organization must compete in the domestic market and one in the global market, such as Southwest Airlines and Lufthansa. I want to do my paper on something else besides airlines like drug manufacturing but I do not know any company that

189. ## visual basic 2010

I am totally lost with arrays. I have a program that needs to store users entries(first & last name...etc) in 2 different arrays. The summary button then loops through each array and outputs their contents to the immediate window. Then the exit button

190. ## science

what accounts for the differences between black tube containing yeast with no substrate and tube containing 5% sodium lactate or ethanol?

191. ## math

Moulding comes in four different lengths. Jesse needs to cut four pieces of moulding, each 3 and 7 tenths feet long, from one board. Which length should he buy? 8 feet, 10 feet, 12 feet, or 14 feet?

192. ## personification

how do you change theses sentences to figurative language. Beating their golden hoofs upon the glass Heavens;

193. ## physics

A car moving at 62 mi/h can be brought to rest in 4.8 s. Assuming that the deceleration is uniform, how far will the car travel between the time the brakes are applied and the time the car stops?

194. ## geometry

whats the Biconditional of "the moon is the largest satellite of Earth"

195. ## Statistics

Please advise how do I get the Regular % and the Cummulative % I just need one example other wise I will lose what's left of my mind. Defect Description Qty Improperly Sized 258 Bad Seam 153 Missing Buttons 67 Fabric Flaw 22 500

196. ## Math

222x9 in distributive property format i got the answer its just i have to figure out how to show how i got. For example i was able to get 56x4+224 by doing (50x4)+(6x4) then 200+24=224.PLEASE HELP

197. ## Math-Problem of the Week

There are 32 teams in the NFL. 16 of them are in the AFL. The other 16 are in the NFC. At the beginning of the season Julia tried to predict the teams that would be in each Conference championship by randomly drawing 4 teams (2 AFC teaams and 2 NFC teams)

198. ## science experiment (bouncing egg)

What's in the coke that stops an egg from bouncing ? is it caffeine

199. ## Algebra

Sovle using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this -2x + 3y = -37.5 -4x + 0y = -24

200. ## physical science

A 65 kilogram person stands on a diving board 15 meters above the water. figure the GPE. show formula and work

201. ## physics

a car accelerates uniformly from rest to a speed of 21.8 km/h in 5.9 seconds.find the distance it travels during this time. answer in units of meters

202. ## algebra

Which of the graphs below represent the graphical solution to the following system of equations? 4x + y = 5 3x – 7y = 27

203. ## algebra

(55+80+70+x)/4

204. ## calculus

Why is it that when Lim x -> 0^- the |x| = -x?

205. ## physics

Good study tips for physics? I am having trouble understanding the theory and how to apply it into the equations. People have told me I should not just punch in numbers, but I do not know what to do besides that; I treat it like math.

206. ## english

I posted a question a few days ago, about Alan Kruger, and his stand on poverty and the financial crisis. I think Ms.Sue gave me a few links to check, but I can't find the post. Can someone link it to me please?

207. ## statistics

Bob is a salesman. He receives \$20 for each sales plus a fixed salary of \$100 per week. Bob's average weekly sales is 70 units with a standard deviation of 15. Bob works 45 weeks a year.

208. ## Native American Literature

What themes were predominant in the writings of the 1600s for Native Americans? Native Americans did not have any literature in the 1600s, but they did have oral traditions and stories which had a few main themes. Some of these stories were moral lessons

209. ## English 12

How could I write a good thesis statement about how Connie's character is significant in Where Are You Going, Where Have You Been? thank you

210. ## Physics

I need someone to go over my answers please, I was haveing trouble on these three. If I got it wrong will you tell me how I should solve it with formulas please. What is the wave speed for a wave of 5 meters wavelength that has a frequency A) 25.6 m/s. B)

211. ## Physical Science

Can you please go over my answers to see if Im correct Im having trouble in this class. A car with mass 2000kg is held at a height of 1.8 meters by a hydraulic lift. The surface area of the piston inside the lift is 300cm², and the surface area of the

212. ## physics

Can Acceleration be negative?

213. ## Algebra

Let A(4,3) B(5,8) and C(3,10) be three points in a coordinate plane. Find the coordinates of a point D such that the points ABC and D form a parallelogram with (a)AB as one of the diagonals (b)AC as one of the diagonals (c)BC as one of the diagonals

214. ## English

I'm posting you the sentences I'm most dubtful about. I included my doubts in parentheses. 1) Despite his victorious military campaigns Cromwell introduced unpopular restrictions on everyday life, such as, for example, the closing (?) of the theatres for

215. ## Statistics

If I know the mean and ÓX, how do I find n ?

216. ## chemistry

If 434 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4. How many grams of H2SO4 would be produced in the atmosphere?

217. ## psychology

To Jiskha experts, What would this world be like without great peacemakers and leaders like Nelson Mandela?

218. ## Nursing

What are meds for disease processes related to nutrition?

219. ## English 101

I'm not very good with English and i'm having some trouble with citations. There's a few questions I'm confused about. ____________________________ Read each of the following statements from the excerpt below and determine if the statement is “OK” in

220. ## college algebra

If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false

221. ## Native American Literature

What were some major Native American achievements in the U.S. during the 1600s? I know that they were the first people to inhabit the Americas, but I can not find any other achievements.

222. ## science

water'density is __ so objects that are less than __ float and objects that are more than__sink.

223. ## Bus. Math

Assuming monthly payment was 804.45 on a 50,000 loan of 9% compound interest for 7 years. How would I calculate what the unpaid balance is and the end of 12 months? Then again a the end of 72 months? Am I on the right track: PV .0075 over 1 - (1 + i)-n How

224. ## it

Choose an IT-related tentative topic and explain the topic with powerful sentences using 200-300 words.

225. ## organic chemistry

state whether you would expect each of the following properties to be identical or different for the two enantiomers of 2-pentanol. Explain a)boiling point b)optical rotation c)solubility in hexane d)density e)solubility in (S)-3-methylhexane f)dipole

226. ## physics

Two particles each have a mass of 6.7 x 10-2 kg. One has a charge of +7.3 x 10-6 C, and the other has a charge of -7.3 x 10-6 C. They are initially held at rest at a distance of 1.1 m apart. Both are then released and accelerate toward each other. How fast

227. ## math

need three points to graph from equation 0=3y-6

228. ## world history

how can constitutions promote change or help resolve social issues?give some historical examples

229. ## math

Determine the inlier range for FPULS?

230. ## education

As a teacher how to organize this ethnicity class? why? - african american 3 student -real american 3 student -mexican 3 student -asian 5 student -other 2 student

231. ## Microeconomics

Why do consumers dislike the bundling of goods? How do consumers respond to free goods? What are the cost components for electrical products? What is the cost structure for information goods?

232. ## Computing in Security (Conversion Help)

1.) Encrypt the hexadecimal message F9E8 using the Rail Fence cipher for binary numbers with 3 Rails. [Give answer in hexadecimal encrypted message] 2.) Decrypt the hexadecimal encrypted message CDEF created by the Rail Fence cipher for binary numbers with

233. ## English

I forgot to include the following sentences. Thank you. 1) After 1653, even that one-house Parliament was dissolved and the country was under Cromwell’s direct rule. Officially he was given the title of Lord Protector. 2) Despite his victorious military

234. ## Algebra

1,Sovle using the substitution method. Show your work. If the system has no solution or an infinite number of solutions,state this. -x - 3y = -20 5x + 3y =40 2 Sovle using the elimination method. Show your work. If the system has no solution or an infinite

235. ## Calculus I

Suppose that f and g are two functions both continuous on the interval [a, b], and such that !@#\$%^&(b) = p and f(b) = g(a) = q where p does not equal to q. Sketch typical graphs of two such functions . Then apply the intermediate value theorem to the

236. ## algebra

Determine which one of the following values of x is not a soluton of the inequality 0

237. ## English

I need help to know what type of comedy "A Midnight Summers dream is and what makes it that type of a comedy can you provide some links that I can read up on?

238. ## algebra

need help bad if one line as a slope of -3 and another has a slope of 2,which line is steeper and why? want to know to graph

239. ## HUM/176

Final Assessment Due 9-18-11 11:59 Arizona time Answer each question below. Answers should be at least 100 words per question. Answers should be in your own words. Any direct quotes must be properly identified. Each answer should include at least one

240. ## Chemistry

Helium gas is added to a 2.00 L container at 23 degrees Celsius containing Neon and Argon with a pressure of 725.3 mm Hg, what is the mass of Nitrogen added if the pressure is increased by 50%.

241. ## college algebra

The average rate of change of g(x) = 2^(x-1) from x = 2 to x = 6 is 7.5.

242. ## english

I can't find any examples happening today that one's death will affect other people in other countries

243. ## Math

Higgins Rental charges \$ 18 an hour to rent a power tool in addition to a \$9 flat service fee. If Joseph rents a power tool and is charged \$ 423, how many hours did he rent the tool? Hint: Convert the above scenario into an equation of the form A x + B =

244. ## History 8

What is the average amount of days of snow cover in New Hampshire?

245. ## science

If a motorcycle starts at 200m/s passes a cop and slows down to 100m/s what is the acceleration of the motorcycle?

246. ## Social studies

Why in Malaysia, should people not touch a child's head?

247. ## complete subject

find a complete subject his first position was am assistant at the obstetricbclinic in vienna

248. ## biology

How would you measure chloride current during an action potential

249. ## AP Calculus AB

If y = (((3x^2)+ 5)^5)((x+2)^4), then dy/dx = ? I've gotten to the point where i have (5((3x^2)+ 5)^4)(4(x+2)^3)(6x), what do i do next? It's a multiple choice question anf this is not one of the answers listed. Any help would be appreciated. Thanks!

250. ## writing( short story)

Can you proofread? I need some figurative language. The word limit is 750-1500 words. “Don’t go in that room,” screamed Kayla and her best friend Rebecca at the top of their lungs while watching the movie, “Martha's End.” Kayla’s mother, Tina,

251. ## Physics 8B

A 280 electric motor is 90% efficient, meaning that 90% of the energy supplied to it ends up as mechanical work. If the motor lifts a 210 weight at 3.5 , how much current does it draw? Express your answer using two significant figures. I= ? Amps

252. ## Pre-Calc

Please check answer and help with one of them: 1. check please car in an accident speed of car is the s, d is length of skid=30 feet f is coefficient=0.5 use formula to find s=sqaure root of 30*f*d My answer is 21.21 because I took square root of

253. ## Physical Science

What are the equivalents of 0 K, 0 degrees Celsius, and 0 degrees F in the other tempertaure scales?

255. ## Physics

A ball is thrown up into the air from a height of 1.2m. if it takes 3.4 s to land, what was the velocity of the throw, and what was the maximum height of the ball?

256. ## Philosophy

What role did Socrates see himself playing in an athenian society?

257. ## Medicalcoding

I have to get my coding pratice checked by somebody.

258. ## health

identify the government stucture. on meningitis can anyone help me with this one? im stumped

259. ## Pre-Calc

Please check answer and help with one of them: 1. check please car in an accident speed of car is the s, d is length of skid=30 feet f is coefficient=0.5 use formula to find s=sqaure root of 30*f*d My answer is 21.21 because I took square root of

260. ## us history

what does a full-fledged American mean?

261. ## Technology

What is Internet generally?

262. ## English

I need to write an essay on Theme and Metaphor in the Book "A Farewell to Arms it has to be 7-10 pages and have 7-8 sources could someone help direct me to some sources for some help? thanks.

263. ## Physics HELP

A hot air balloon is 2.5m above the ground rising at 2m/s. A camera is thrown from the ground at 13m/s. At what height do the camer and balloon meet. Need to know the correct formulas and how to insert the data. Stuck on this question for homework.

264. ## history

why did the europeans say the indians were uncivilized ?

265. ## bus

Your friend has asked you why the price of bananas is higher during certain times of the year. Using what you have learned about the laws of supply and demand, explain to your friend how the market affects price.

Need help selecting a product/service and a country for a global business venture.

267. ## math help

Find the 96th percentile of MPULS?

268. ## English

Could you please check these sentences on the same theme? Thank you. I did the corrections you told me. 1) Humanists played a major role in shaping the new Church of England since they translated the Old and New Testament into English following the

269. ## Science

balance equation for lead(II) nitrate and sulfuric acid a) coefficients should be in terms of lowest whole numbers. represent substances in solutions as ions if the substances are extensively ionized

270. ## Philosphy

Ms. Ferguson who is practically blind has testified that she saw the defendant stab the victim in the twilight shawdows a 100 yards from the incident. Therefore members of the jury you must find the defendant guilty. Identifiy this fallacy

271. ## cerritos

how many grams of sodium choloride is needed to prepare 600ml of 9% saline solution?

272. ## karan

What's in the coke that stops an egg from bouncing ? is it caffeine

273. ## math

If the store purchases an item at a wholesale cost of \$3.50 per item, and it is sold at a retail value of \$5.00 per item. What is the gross profit percentage of the item? (formula: gross profit percentage = [(retail - cost) divided by retail] X 100 )

274. ## algebra

Solve the inequlity x^2>16 and give the answer in interval notation.

275. ## college algebra

The average rate of change of g(x) = 2x-1 from x = 2 to x = 6 is 7.5. true or false

276. ## student council

What would be a good point to run for president of the student council?

277. ## Politics

I'm writing a speech, and it's about the topic "Private sector investment is preferable to public sector investment for Human Space Exploration" I'm on the con side for this argument, and one of my reasons was that public sector will spur cooperation,

278. ## Informal Logic

What is the truth value of the sentence "P v ~ P"? True False Cannot be determined Not a sentence My answer is false, Is this correct?

279. ## Math

The price of a video system increased by 15% to \$1,127.00. What was the price of the system before the increase? (a)\$900.80 (b)\$908.00 (c)\$809.00 (d)\$890.00 (e)\$980.00 I need help with this problem and to be leaded towards the direction to find the right

280. ## science experiment (bouncing egg)

What's in the coke that stops an egg from bouncing ? is it caffeine

281. ## Chemistry

What is the empirical formula of a hydrocarbon that contains 89.94% C by mass?

282. ## Algebra II

Evaluate: ƒ(2) + 5 It says to use this graph to solve the equation: h t t p://i55 . t i n y p i c . com/2qdvfur.jpg Right now we're on Algebra and Composition with Functions. I have no idea what I'm supposed to do, and there are no instructions for any of

283. ## Math %

Please advise how do I get the Regular % and the Cummulative % I just need one example other wise I will lose what's left of my mind. Defect Description Qty Improperly Sized 258 Bad Seam 153 Missing Buttons 67 Fabric Flaw 22 Total 500

284. ## math

A professor wants to supplement her pension with investment interest. If she invests \$26,000 at 4% interest, how much more would she have to invest at 8% to achieve a goal of \$2,400 per year in supplemental income?

285. ## MATH

how do you wite an equation for the function in a problem like 4x+y=-10?

286. ## Nursing

nursing interventions for pt unable to feed self

287. ## math

solve the absolute value problem : 3x+|4x+5|=10

288. ## physics

a hot air ballon is 2.5m high, moving at 2/ms. when someone throws a camera at 13m/s to the baloon. at which height do they meet?

289. ## math algerbra 1

how do you solve for the function in a problem like 4x+y=-10?

290. ## medical coding

when are abbreviations acceptable,who should use htem and why in the medical field

291. ## maths

two reasons why straws cannot be used to measure distances

292. ## us history

why don't more textbooks have readings on blacks resisting slavery?