# Questions Asked onApril 29, 2014

1. ## Physics

In the afternoon, the decibel level of a busy freeway is 80 dB with 100 cars passing a given point every minute. Late at night, the traffic flow is only 5 cars per minute. What is the late-night decibel level?

2. ## Chemistry

Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 1.9×10−9M Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 2.1×10−2M Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 6.1×10−12M

3. ## English

Identify the correct sentence. A. In order to assess you're level of improvement in the course, you need to take both the pre-test and the post-test. B. In order to assess your level of improvement in the course, you need to take both the pre-test and the

4. ## Physical Science

Which of these cannot increase the strength of an electromagnet? a. making the loops smaller in the coil b. placing an iron bar in the coil c. winding more loops in the coil d. increasing the current in the coil

5. ## Physics

An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 8.26 m/s2. Determine the orbital period of the satellite.

6. ## Calculus Help and Check

The marginal cost of manufacturing x yards of a certain fabric is C'(x) = 3 − 0.01x + 0.000012x2 (in dollars per yard). Find the increase in cost if the production level is raised from 2000 yards to 4000 yards. \$186,000

7. ## English - Help!!

1. The sharp rock LACERATED her side as she climbed the side of the cliff. bruised sliced scratched wounded I think it's B? Can someone help?

8. ## nursing/dosage

The health care provider prescribed the adjustment of the IV hourly rate based on the nasogastric tube (NGT) output q4h (every 4 hours) for a client who had abdominal surgery yesterday. From 12:00pm to 4:00pm the NGT output was 240ml and the IV was infused

1) what is the greates perimeter of a rectangle with an area of 39 square feet? 2) What is the least perimeter of a rectangle with an area of 32 square feet? 3) A rectangle has an area of 42 square inches. Which has a greater perimeter, the rectangle with

10. ## precalc

The wheels of a car have a radius of 11 inches and are rotating at 600 revolutions per minute, find the speed of car in mileage per hour.

11. ## Math

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) h(u,v) = sqrt(4-u^2-v^2) u^2+v^2 = ?

12. ## probability

PROBLEM 7: SAMPLING FAMILIES (3 points possible) We are given the following statistics about the number of children in the families of a small village. There are 100 families: 10 families have no children, 40 families have 1 child each, 30 families have 2

13. ## CALCULUS

The region R is bounded by the x-axis, y-axis, x = 3 and y = 1/(sqrt(x+1)) A. Find the area of region R. B. Find the volume of the solid formed when the region R is revolved about the x-axis. C. The solid formed in part B is divided into two solids of

two rectangles have an area of 36 square inches. Name two possible perimeters for the rectangles.

15. ## Trigonometry

An observer (0) spots a plane flying at a 55 degree angle to his horizontal line of sight.If the plane is flying at an altitude of 21,000 ft., what is the distance (x) from the plane (P) to the observer (0)

16. ## Probability

In parts 1, 3, 4, and 5 below, your answers will be algebraic expressions. Enter 'lambda' for and 'mu' for . Follow standard notation. 1. Shuttles bound for Boston depart from New York every hour on the hour (e.g., at exactly one o'clock, two o'clock,

17. ## math (5)

Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars,

18. ## Maths

Max pack cereal boxes into a larger box the volume of each wreak box is 175 cubic inches which is the best estimate for the volume of the large box 210,420,2,100 4,200 I pick 2,100 is that correct

19. ## science

Running the dishwasher only when it is completely full is an example of? A. recycling resources B. using nonrenewable resources C. reusing resources D. reducing resource use

20. ## Chemistry

Classify each of the compounds below as strong or weak acids, strong or weak bases, or salts: A. HCl B. KOH C. NH4NO3 D. H2SO4 E. NH4OH F. H3PO4 G. NaOH H. HClO4 i. Mg(OH)2 J. H2CO3 K. BaSO4 l. HC2H3O2 The numbers are sub(little numbers

21. ## trig

On a typical day at an ocean port, the water has a maximum depth of 18m at 6:00 am. The minimum depth of 9m occurs 6.8 hours later. Write an equation to describe the relationship between the depth and time.

22. ## college chem

A sample of methane gas CH4, occupies a volume (L) of 58.2 L at a pressure of 7.25 atm. What volume will the gas occupy if the pressure is lowered to 2.03 atm

23. ## chemistry

pure water has a hydrogen ion concentration of 1 x 10-7 m and a ph of 7. a student measures a basic solution and finds that it has a hydrogen ion (H+) concentration of 1 x 10-3. explain why the student must have an error in her statement

24. ## Chemistry

Would it take more 0.1 M HCl or 0.1 M H2SO4 to neutralize 30 ml of NaOH?

25. ## Math

A manufacturer samples 100 wires for quality testing. Four of the wires are found to be defective. If 750 wires are produced in one hour, how many should the manufacturer expect to be defective? A.30 B.60 C.75 D.96

26. ## English

Identify the sentence that is punctuated correctly. A. Here is our check, Mr. Vons, for \$7.35. B. Here is our check Mr. Vons, for \$7.35. C. Here is our check, Mr. Vons for \$7.35. D. Here is our check Mr. Vons for \$7.35. D

27. ## Govt college of technology

A fly wheel rotates at 300 rev/min.if the radius is 6cm through what total distance does a point on the rim travel in 30 sec.

28. ## probability

Fred is giving away samples of dog food. He makes visits door to door, but he gives a sample away (one can of dog food) only on those visits for which the door is answered and a dog is in residence. On any visit, the probability of the door being answered

29. ## Algebra

How do I solve: One leg of a right triangle is 4 m longer than the other. If the length of the hypotenuse is 18 m, how long are the other two legs?

30. ## Cost Accounting

The accounting records of Nu-tonics Inc., include the following information for the year ended December 31, 2013: Materials Inventory as at 1 January 2013 \$ 20,000 Materials Inventory as at 31 December 2013 \$ 24,000 Work in process Inventory as at 1

31. ## Astronomy

The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^10 cm. What is the Sun's effective temperature? Please enter your answer in units of Kelvin. What is the Sun's effective temperature? Please enter your answer in units of Kelvin. -

32. ## Science

a 5 kg skateboard moves at 7 m/s^2 . What is the force of the skateboard? 35 N

33. ## Math

In a sample of 50 museum visitors one afternoon, 22 were female and 28 were male. If there were 800 museum visitors that afternoon, estimate the number of visitors who were female. A.220 B.352 C.448 D.700 Is the answer C?

34. ## chemistry

How many minutes are needed to plate out 29.00g Mg from molten MgCl2, using 2.70A of current?

35. ## probability

In parts 1, 3, 4, and 5 below, your answers will be algebraic expressions. Enter 'lambda' for λ and 'mu' for μ. Follow standard notation. Shuttles bound for Boston depart from New York every hour on the hour (e.g., at exactly one o'clock, two o'clock,

36. ## A.P English

Would an example of parallelism in "Beloved" be the mention of the "chokecherry tree" on her back, since it's mentioned a couple of times? Or would parallelism be more like the dog leaving and not coming back to the house twice because of the ghost? (I'm

37. ## Physics

A 1.0 m long string is fixed at both ends and has a tension of 80N. The mass of the string is 2 gm. Find the third harmonic of the sound emitted by this string. a. 50 Hz b. 100 Hz c. 200Hz d. 300 Hz

38. ## college chem

A mixture contains H2 at 600 torr pressure, N2 at 200 torr pressure and O2 at 300 pressure. what is the total pressure of the gases in the system?

39. ## science

why do cells created by meiosis only have half the number of chromosomes from the original cell?

40. ## grammar - conjunction

Fill in the blanks with the words those given in the brackets. ( though / after / if / so / when / while / for / as / but ) 1)(Though) poor himself, he tried to help others. 2)We must wait (until) Ali comes, (as) he has all your tickets. 3)(When) it

41. ## Cost Accounting

The accounting records of Nu-tonics Inc., include the following information for the year ended December 31, 2013: Materials Inventory as at 1 January 2013 \$ 20,000 Materials Inventory as at 31 December 2013 \$ 24,000 Work in process Inventory as at 1

42. ## Probability

Fred is giving away samples of dog food. He makes visits door to door, but he gives a sample away (one can of dog food) only on those visits for which the door is answered and a dog is in residence. On any visit, the probability of the door being answered

43. ## Probability

We are given the following statistics about the number of children in the families of a small village. There are 100 families: 10 families have no children, 40 families have 1 child each, 30 families have 2 children each, 10 families have 3 each, and 10

44. ## math

A clerk is packing cubes into a box each cube has edges of 6 inches the dimensions of the box are 15 inches by 30 i.ches by 18 inches find how many cubes will fit in the box ? I don't know how to solve and explain how i found my answer please

45. ## Astronomy

Choose one answer for each question How old is the universe? 6,000 years old 380,000 years old 13.8 billion years old 13.8 million years old A parsec is: Longer than a light year The distance between the Earth and the Sun Approximately 3x10^24 cm None of

46. ## Science

in a cladogram, a branch point represents a(n)____________ and a branch that ens without leading to living species represents___________. a. common ancestor,;extinction b.mutation; punctuated equilibrium c.extinct species: common ancestor D.common

47. ## math

Which is M=300J/P solved for J? A. J=300PM B. J=300M/P C. J=300PM D. J=PM/300

48. ## Physics

The maximum kinetic energy of a mass-spring system in SHM is equal to

49. ## CALCULUS HELP PLZ

The region R is bounded by the x-axis, y-axis, x = 3 and y = 1/(sqrt(x+1)) A. Find the area of region R. B. Find the volume of the solid formed when the region R is revolved about the x-axis. C. The solid formed in part B is divided into two solids of

50. ## algebra 1

Mrs. Hernandez owns a computer training business. She charges a lab fee plus an hourly fee to train office workers on various software programs. It costs \$265.00 to attend a 6-hour course and \$345.00 for an 8-hour course. Which equation relates x, the

51. ## English help

What are some interesting facts about Nikki Giovanni's writing?

52. ## algebra

Write a ratio in simplified form of the area of the shaded figure to the area of the figure which encloses it. I have a square with height 5w and width 5w. Enclosing it are a right triangle on each side, which have a width of 6 and have the square's height

53. ## statistics

Build a 95% confidence interval for the mean of the population from the given sample data. Assume that the population has a normal distribution. 16.4, 15.7, 16.2, 15.8 17.1 15.8, 15.9, 16.0, 16.4 15.0 *please help me solve this! I have no clue what I am

54. ## Math

You have to choose a battery brand to use in your smoke alarm. Company A's batteries have a mean lifespan of 1.2 years, with a standard deviation of 0.1 years. Company B's batteries have a mean lifespan of 1.5 years, with a standard deviation of 0.9 years.

55. ## algebra 1

The Ricco family filled the gasoline tank of their car at the beginning of a long trip. Their car used gasoline at the rate of 1 gallon every 21 miles. When they stopped for lunch, they had driven 315 miles, and there were 9 gallons of gasoline left in the

56. ## Programming

Write a function that takes one positive integer value (call it n) as a parameter and produces the sum of the integers between 1 and n. Hint: The sum of the integers from 1 to n is n*(n+1) all over 2 I know this is how the function should look but I am

57. ## Algebra 1 math

Deborah rolls two fair dice. What is the probability that the sum of the numbers rolled is 7?

58. ## Math

There are 3,000 people at a concert. You survey a random sample of 200 people and find that for 35 of them this is the first concert they have ever attended. Estimate how many people are attending their first concert that night.

59. ## Math

You want to conduct a survey to find out what sport the students at your school prefer to play. a) You interview 20 boys playing football at lunch. Is this a random sample? explain b) The survey question you ask is, ''What is your favorite sport to play?''

60. ## math

Simplify by combining like terms. 9m + 5m - 4

61. ## science

solar,wind,nuclear,and hydroelectric energy sources are similar in which of the following ways? A. they are all nonrenewable energy sources B. they all require an indirect use of sunlight in order to make electricity C. they are all considered alternative

62. ## french

unscramble - qobusteiu

63. ## Chemistry

If a plant has 88.0 g carbon dioxide and 64.0g water available for photosynthesis determine: a the limiting reactant b. the excess reactant and the mass in excess c. the mass of glucose produced

64. ## statistics

A researcher is testing the effect of a new cold and flu medication on mental alertness. A sample of n=9 college students is obtained and each student is given the normal dose of the medicine. Thirty minutes later, each students performance is measured on

65. ## *math (7)

Evaluate the first partial derivatives of the function at the given point. f(x, y) = x^2 + xy + y^2 + 2x - y ; at (-5, 4) fx(-5, 4) = ? fy(-5, 4) = ?

66. ## algebra

a certain test us worth 125 points (rounded to the nearest point are need to obtain a score of 75%

67. ## solid mensuration

how to solve ABC is a right triangle with C as the right angle and sides AC=6 cm and BC=8 cm. Line segment CD is drawn perpendicular to both AC and BC at C. If CD=12 cm, find the distance from D to midpoint E of AB.

68. ## Math

Circle Graphs Month | Snowfall | Percent | Angle Measure November | 1 | ? 1% | ? 3.6 December | 4 | ? 4% | ? 14.4 January | 5 | ? 5% | ? 18 February | 2 | ? 2% | ? 7.2 How would I make a circle graph? Or did I do something wrong? The month and snowfall

69. ## math

if it takes hannah 6.5 hours to ride moped to gainesville from tamp and dylan travels 30 mph faster and it takes 2.6 to travel same distance how far is gainesville from tampa

70. ## physiology and health

True or false I realy need help!!!!!! 1) A relationship is a bond between people. 2) Citizenship is the way you conduct yourself as a member of the community. 4) Communication involves only sending messages to others. 5) Passive communicators always stand

71. ## probability

Suppose that you have two laptops, both of which you begin using at time 0. Each laptop will eventually fail, and we model each one's lifetime as exponentially distributed with the same parameter λ. The lifetimes of the two laptops are independent. One of

72. ## home ecoecnomicsnomics

what are costs and consequences of providing the subsidies and welfare

73. ## probability

All ships travel at the same speed through a wide canal. Each ship takes t days to traverse the length of the canal. Eastbound ships (i.e., ships traveling east) arrive as a Poisson process with an arrival rate of λE ships per day. Westbound ships (i.e.,

74. ## probability

Consider a Poisson process with rate λ. Let N be the number of arrivals in (0,t] and M be the number of arrivals in (0,t+s], where t>0,s≥0. In each part below, your answers will be algebraic expressions in terms of λ,t,s,m and/or n. Enter 'lambda' for

75. ## maths

can some one help me here : if 5 cos x + 3 = 0 and 180 degrees < x < 306 degrees , find the value of 3 tan x + 25 sin^2 x

76. ## probability

lengths of the different pieces are independent, and the length of each piece is distributed according to the same PDF fX(x). Let R be the length of the piece that includes the dot. Determine the expected value of R in each of the following cases. In each

77. ## physics

Which of the following situations represents a negative displacement? (Assume positive position is measured vertically upward along a y-axis.)

78. ## physiology and health

True or False???? 1) During mediation, a mediator dose not have to maintain confidentiality. 2) Food, shelter, and clothing are baisc needs that parents are expected to provide for their children. 3) Affirmation is the act of giving positive input that

79. ## college chem

a sample of a gas occupies a volume of 1025 mL at 75 degrees Celsius and 0.75 atm. What will be the new volume if temperature decreases to 35 degrees Celsius and pressure increases to 1.25 atm

80. ## math

Sarah's parents are filling their swimming pool. She wants to know how long it will take. What unit is best used to give the rate of the water flowing into the pool? Her pool is 22,000 gallons. What unit will the answer to her question be answered in?

81. ## college chem

A sample of O2 gas was collected over water at 23 degrees celsius and 772 torr. what is the partial pressure of the O2?

82. ## Engineering

Three resistors , 50 ohms, 100 ohms, and r3 are connected in a series to a power source with potential difference 48 volts and a current throughout the circuit. Can anyone help me figure out what r3 is ?

83. ## Math

It takes 5 small fish to make 1 1/4 cup of ice cream. How many fish does it take to make 6 cups of ice cream?

84. ## grammar - conjanction

Fill in the blanks with the words those given in the brackets. ( though / after / if / so when / while / for / as / but ) 1)....... poor himself, he tried to help others. 2)We must wait........Ali comes, as......he has all your tickets. 3).......it started

85. ## Math

How long is 3 quarter hours

86. ## precalc

Find the area of a sector and arc length whose central angle is 0.5 radians and a radius of 10 inches.

87. ## precalc

Memphis and New Orleans are approximately on the same meridian. Memphis has a lattitude of 35 degrees north and New Orleans has a lattitude of 30 degrees north. Find distance between them, assuming radius of Earth is 3960 miles.

88. ## math

Sara has x ribbons and 4 extra ribbons. Jill has 12 ribbons. Express the number of ribbons that Sara has in terms of x.

89. ## precalc

A celing fan with 16 inch blades rotates at 45 revolutions per minute. Find angular speed of fan in radians per minute. Find linear speed of the tips of blades in inches per minute.

90. ## physics

A 1500-kg car coast in neutral down a 2.0degrees hill. The car attains a terminal speed of 20.0 m/s. The question is:how much power must the engine deliver to drive the car on a level road at 20.0 m/s?? Help me out please!!

91. ## Cost Accounting

The accounting records of Nu-tonics Inc., include the following information for the year ended December 31, 2013: Materials Inventory as at 1 January 2013 \$ 20,000 Materials Inventory as at 31 December 2013 \$ 24,000 Work in process Inventory as at 1

92. ## math

(x^2-4x+6)(x-3)^-1

93. ## Algebra

Simplifing rational expressions Simplify the expression & state any excluded values: (2s^2 - 5s - 12) / (2s^2 - 9s + 4)

94. ## calculus

9x^3+5x-8 divided by 3x-2

95. ## ap statistics

Seventy-five (75) people with hypertension were given a new drug for the treatment of their condition. Blood pressure was lowered sufficiently to reduce the risk of serious outcomes in 20 of the 75 patients. (B) Calculate a 95% confidence interval for the

96. ## calculus

8x^3 + 27 divided by 4x^2 + 12x +9

97. ## math

24^2 -10x -21/32^2 -18

98. ## math

(2y^3 -3y^2 +3y -4)/(y-2)

99. ## maths

1234567 x 7654321

100. ## chem

How many grams of NH3 are present in 725 mL of gas at STP?

101. ## Chemistry

The following two solutions were combined and mixed well: 150.00 mL of a 3.500 M iron(¡¡¡) nitrate solution and 760.00mL of a 1.600M magnesium nitrate solution. 20.00mL of the final solution was transferred with a pipette into an empty 250.00mL

102. ## Chemìstry

The following two solutions were combined and mixed well: 150.00 mL of a 3.500 M iron(¡¡¡) nitrate solution and 760.00mL of a 1.600M magnesium nitrate solution. 20.00mL of the final solution was transferred with a pipette into an empty 250.00mL

103. ## math

what is the volume of a cereal box that is 6.5 inches long 4.25 inches wide and 10 inches tall ?

104. ## grammar

Is this sentence is correct? He wanted to polish his shoes, for it were covered with mud. or else replace it with they.

105. ## social studies

1. How does the Israeli-Palestinian conflict most directly affect the daily lives of young people in Jerusalem

106. ## math

She also needs three pieces of blue satin that total of 9/4 yards. simplify this sum.

107. ## chemistry

At 22 degrees Celsius and 729 torr pressure, what will be the volume of 75 mol of NH3 gas?

108. ## Product MGT

At the grocery store, you buy a pack of 18 eggs and decide that when you get down to only 6 eggs you will buy another 18. In this scenario, what is your re order point? In this situation, what is your order quantity ?

109. ## chemistry

How many moles of O2 are contained in 5025 L at 26 degrees Celsius and 1.2 atm

110. ## Probability

All ships travel at the same speed through a wide canal. Each ship takes days to traverse the length of the canal. Eastbound ships (i.e., ships traveling east) arrive as a Poisson process with an arrival rate of ships per day. Westbound ships (i.e., ships

(x^2-1)/5x+5

x^2-9/8x-24

113. ## calculus

3x^2-75/6x+30

114. ## college chemistry

Consider the following equation: 4 NH3(g) + 5 O2(g)= 4 NO(g) + 6 H2O(s) a) HOw many liters of oxygen are required to react with 205 L NH3? Both gases are STP. b)How many grams of water vapor can be produced from 25 L NH3 if both gases are STP? c) How many

115. ## social studies 9

Why do you think the government has downplayed the Royal Proclamation in regard to land claims?

116. ## grammar

If you try hard enough, you will surely succeed.

117. ## math (3)

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) f(s,t)= sqrt(s^2+t^2) s = ? t = ?

118. ## chem

calculate the density of each of the following gases: a)NH3 at 25 Degrees Celsius and 1.2 atm b)Ar at 75 Degrees Celsius and 745 torr

119. ## history

Which of the following state has the least amount of net farm income Answer Are Texas New Jersey Louisiana California I think New Jersey Thank You

120. ## math 109

Charlie wants to buy a \$500 TV in 8 months. How much should he invest now at 4% simple interest to have the money in 8 months?

121. ## Information Literacy

Study the following citation: "LONDON 2012 OLYMPIC PARK: Making the most of London's landmarks." Building Design 27 July 2012: 19. Penn Foster. Web. 2 Aug. 2012. What is the title of the journal in which the article is published? A. Penn Foster B. LONDON

122. ## Physics

At the Earth's surface, a projectile is launched straight up at a speed of 9.9 km/s. To what height will it rise? Ignore air resistance and the rotation of the Earth. _____m

123. ## economic

what are welfare payments or consumer subsidies

124. ## Math

What is the product of 659 and 95

125. ## Math

Hector has \$450 and saves 20 per week. Tim has \$1200and spends \$30 per week.write a system equation for this situation

126. ## social studies 9

Why do you think the government has downplayed the Royal Proclamation in regard to land claims? I don't understand the question.

127. ## Space Exploration

List three subsystems of a SARSAT satellite and tell what the function of eCh subsystem is. Please help I can't seem to find them.

128. ## Math

Mack rolls a 15-sided cube 45 times, what would you predict the probability to be of Mack's rolling a number less than 5?

129. ## Statistics

Professor Casey performs a t test of Ho: u1 - u2=0 using a-.01 and finds a significant difference between Xmean1 and Xmean2. From this we can infer. a. a large difference between u1 and u2. b. an important difference betwee u1 and u2. c. u1 and u2 to be

130. ## math

what percentage more is 2200 than 1725.

131. ## Statistics

In one-way ANOVA involving three groups, the alternative hypothesis would be considered correct if, in the population, a. all means were equal. b. two means are equal but the third is different. c. all three means have different values. d. either (b) or

132. ## statistics

1000 raffle tickets are sold and the winner is chosen at random there is only one prize \$500 in cash you buy one ticket(a) what is the probability you will win the prize of \$500 (b) your expected earnings can be found by multiplying the value of the prize

133. ## Statistics

In order to critical values of t to be precisely correct for testing Ho: u1-u2=0 using small independent samples, we must assume a. ó1 = ó2 b. normality of populations c. u1 = u2 d. all of the above.

134. ## Math Help!

-If one fish is twice as long as another,how do their weights compare? -If one fish is as heavy as another, how do their lengths compare? L- 31,33,35,37,39 W- 250,308,363,420,520

135. ## math

a coding supervisor must determine the number of full-time equivalents (FTEs) needed to code 500 discharges per week. If it takes an average of 20 minutes to code each record and each coder works 7.5 productive hours per day, how many FTEs will the coding

136. ## Physics

On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball. The acceleration due to gravity on the moon is 1/6 of its value on the earth (gravity on moon -1.633m/s2). On earth, golf balls are driven at about 70 m/s with a loft angle of

137. ## Physics

If it takes a particle in SHM 0.60ss to travel from the equilibrium position to the maximum displacement (amplitude), what is the period of oscillation?

138. ## Chem.

in the equation Ba(NO3)2(aq)+Na2SO4 (aq) →BaSO4(s) + Na2(NO3)2 .......is Na2(NO3)2 aqueous?

139. ## Physics

A golf ball struck with an initial speed of 41.8m/s. What is the range of the shot if the launch angle is 30.0º?

140. ## Math! Helppppp

Two poles are place 15 feet apart. One pole is 8 ft high and the other pole is 16 ft high. The top of each pole is attached to the base of the other by cable which run in a straight line. -Find the slopes of the lines defined by the two ropes. -How high

141. ## Math

The length of a rectangle is 11 cm more than its width. The area of the rectangle is 2040 cm^2. Find the dimensions of the rectangle.

142. ## English

When addresses appear within the text of a document,: A. always abbreviate the street, city, and state. B. it is optional to abbreviate the parts of the address. C. spell out the parts of the address. D. always abbreviate the street and city and spell out

143. ## Helpppp Math!!!

The market value (in thousands of dollars)of a certain home is a linear function of t, the time in years since 1990. In 1992 the market value was 68 thousand dollars, while in 1997 the market value was 79 thousand dollars -Find the slope of V as a linear

144. ## Math

What is 4x1 1/2?

145. ## Math -Help

you have a space in your garden for 100 small flowering bulbs. Crocus bulbs cost \$0.45 each, and daffodil bulbs cost \$0.85 each. Your budget allows you to spend \$55.80 on bulbs. How many crocus bulbs and how many daffodil bulbs can you buy?

146. ## Math

Math - Cindy, Tuesday, April 29, 2014 at 8:44pm At Bobs diner, it costs \$8.00 to purchase two hamburgers and one order of fries. The "family pack" costs 30.00 and comes with six hamburgers and six orders of fries. If the prices are constant,how much does

147. ## social studies 9

Pros and cons of the Quebec Act

148. ## Science

Which of the following would have the greatest force? an object with low mass accelerating slowly an object with low mass accelerating quickly an object with high mass accelerating quickly

149. ## calculus

24^2-10x-21/32x^2-81

150. ## calculus

8x^3+27/4x^2+12x+19

151. ## calculus

x^2+5X/(x^3-25x)(x-5)^-1

152. ## calculus

(2y^3-3y^2+3y-4)/(y-2)

153. ## calculus

9x^3+5x-8/3x-2

154. ## statistics

A professor is interested in the relationship between the number of hours students study for a quiz and their quiz grades. She asked each student to record the number of hours that he/she studied for the final exam. She also recorded the students’ grades

155. ## calculus

(x^2-4x+6)(x-3)^-3

156. ## statistics

It is known that the population mean for the Quantitative section of the GRE is 500, with a standard deviation of 100. In 2006, a sample of 400 students taking the GRE, whose family income was between \$70,000 and \$80,000, had a quantitative GRE score of

157. ## calculus

24x^2-10x-21/32^2-18

158. ## Chemistry

1) In the reaction NaOH + H2O --> Na+ + OH-, sodium hydroxide is the: A) Lewis acid B) Brønsted-Lowry acid C) Arrhenius base D) Amphoteric substance E) None of the above (I think it's C) 2) The conjugate acid of the sulfide ion is: A) S^2- B) HS- C) H2S

159. ## geometry

concrete can be purchased by the cubic yard. how much will it cost to pour a slab 17 feet by 17 feet by 2 inches for a patio of the concrete cost \$ 40 per cubic yard

160. ## math

Hello there, im doing an equation and its mind boggling me badly so i want to see if im doing something wrong or not. It goes like this: sinx - Squareroot of 3/2 > 0 x € [0,2pi) i start by moving the sqroot of 3.. so i have sinx >sq3/2. as of that my

161. ## introduction to finance

mary watson is 24 years old and single, lives in an apartment, and has no dependents. Last year she earned \$45,000 as a sales assistant for focused business analytics: \$3,910 of her wages was withheld for federal income taxes. In addition, she had interest

162. ## Statistics

Given: The difference between two dependent means is statistically significant. The reason behind this outcome can be difficult to determine when a. population standard deviations are estimated from samples. b. sample size is large. c. a large value of t

163. ## Science

What is the force that results from a 3,000 kg car accelerating at 20.00 m/s^2

164. ## Language arts plz help

1. The poet uses all of the following in "Annabel Lee" except (1 point)alliteration. simile. repetition. rhyme. 2. Which of the following best shows that the speaker is still deeply in love with Annabel Lee? (1 point)The speaker explains that he and

165. ## math

If X = 2 4 6 8 y = 1 -2 -5 -8 What is the slope I know that slope = vertical change over horizontal change and rise over run

166. ## chemistry

How many kilograms of H2O must be added to 76.0 g of Ca(NO3)2 to form a 0.509 m solution?

167. ## Chem

Please help how to set up How many grams of CuSO4 * 5H2O are needed to prepare 100.ml of a 0.10 M solution?

168. ## Math

Two dice are rolled what are the odds of getting a smaller number on the second roll? P ( same number or sum greater than 8)

169. ## Statistics

Tukey's HSD test is used a. prior to performing a one-way ANOVA. b. to determine the amount of difference between group means. c. to determine whether the overall difference among groups means is significant. d. to locate "true" differences after a

170. ## Psychology

The study of sensation and perception is important to a psychologist perception and sensation are the foundation of:

171. ## math

empirical probability and theoretical probability of 2 tails - 210 1 tail - 480 0 tail - 310

172. ## math

What would the graph look like for the linear function of y = 1/3x -4

173. ## English

What is 3 point difference between working students vs. non working students?

174. ## Math

If I have 5 yellow marbles and 7 blue marbles, what fraction are yellow?

175. ## Chemistry URGENT

Could someone let me know if I answered these questions? 1. How do you classify the liquid pair mineral oil -- H2O, miscible or immiscible? I believe the answer is immiscible because oil and water do not mix. 2. what would be the Molarity of a solution

176. ## Chemistry

If you measured vitamin C in the solution prepared from a vitamin C tablet, calculate how much vitamin C was in the tablet (show your work) and compare that with the amount claimed to be in the tablet given on the label. [Note: You dissolved the tablet in

177. ## math

Can 3t^2+5t-2 be factored?

178. ## Math

A fish and game worker catches, tags, and releases 120 trout in a lake. Later, she catches 84 trout and finds tags on 30 of them. Estimate the number of trout in the lake. A.43 B.234 C.336 D.3600 Is it C?

179. ## math (4)

Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars,

180. ## Math

Wildlife biologists catch, tag, and release 32 bears at a game reserve. Later,10 bears are caught and 4 of them have tags. Estimate the total number of bears at the game reserve. A.320 B.316 C.128 D.80 Is the answer D?

181. ## progamming concepts

Write a program that allows the user to input a total dollar amount for an online shopping order and computes and outputs the shipping cost based on the following schedule: Order Total Ship within USA Ship to Canada Less than \$50.00 \$6.00 \$8.00

To save on gasoline expenses, Edith and Mathew agreed to carpool together for traveling to and from work. Edith preferred to travel on I-20 highway as it was usually the fastest, taking 25 minutes in the absence of traffic delays. Mathew pointed out that

183. ## Chemistry

Provide equations for each of the following: a. Dissociation of a strong base in water solution b. Ionization of a strong acid in water solution: c. Ionization of a weak acid in water solution: d. Ionization of a weak base in water solution: e.

184. ## science

which of the following is used to make biomass fuel? A. coal B. natural gas C. plants and animals waste D. petroleum

185. ## Trig

Find the 6th term of the arithmetic sequence with a9=120 and a14=195

186. ## Trig

Find the 20th term of an arithmetic sequence with a=1 and d=1/2

187. ## algebra

the pitch of a roof is the ratio of the rise to half span. If a roof has a rise of 6 feet and a span of 20 feet what is the pitch. Thank you

188. ## Trig

What is the sum of the arithmetic series where n=100 , t1=7 and t2=205

189. ## Trig

What is the sum of the arithmetic series where n=50 , t1=9 and t2=331

190. ## math

Terry wants to buy one pair of moccasins. She can choose from some that costs \$22.50, \$27.00, \$20.95, and \$24.75. How much will Terry save if she buys the least expensive instead of the most expensive pair?

191. ## 4 the grade math

What's 3/4 of blank=75

192. ## Science

If you spin a water-filled cup horizontally on a flat table, did you exert force on the water?

193. ## Italian

Anybody knows italian and can translate a parahraph.?

194. ## S.S

Can someone help me figuire out 4 recomendations to build a stronger cuba?

195. ## Physics help

Let's say you have a plot for Pendulum experiment. Let's assume g for this experiment was measured (from the slope of the plot) to be 9.78 [ms-2. The vertical intercept, however, is 0.011 [s2]. What might this translate to for a measurement of the length

196. ## Math11

You want to buy a used all-terrain vehicle (ATV) that costs \$2800.00. You Have \$1100.00 in savings and can save \$200.00 more a month. Your local credit union offers loans at 6.50% per annum over a term of 12 months. You have a bank credit card with an

197. ## Geometry

Show that each conditional is dales by finding a counterexample. If an animal is a bird, then it is a penguin.

198. ## aptitude

Three individuals form a partnership and agree to divide the profits equally. X invests \$4,500, Y invests \$3,500 and Z invests \$2,000. If the profits are \$1,500, how much less does X receive than if the profits were divided in proportion to the amount

199. ## algebra

if you multiply a number by 4 and than subtract negative 10, the difference is a negative 26. what is the number

200. ## Algebra

89, 88, 78, 95, 92 Sadye has the Algebra test scores shown. If her goal is to have a test average of 90 or higher what is the lowest score she can make on her next test and still achieve her goal? Note: scores are not rounded.

201. ## Chemistry

Did I ionize Mn2(CO3)3 correctly? Mn2(CO3)3 --> 2Mn^(3+) + 3CO3^(2-)

202. ## science

How does using coal to generate electricity A. using more coal reduces the amount of pollution from using oil

203. ## History help

1. The U.S. Supreme Court Decision in Plessy v. Ferguson said that Louisiana's Separate-But-Equal laws were unconstitutional. True False 2. Redeemer Democrats were often called Bourbons. True False 3. What term describes the Louisiana Bourbons? Enlightened

204. ## Statistic in Social Science

The verbal part of the Graduate Record Exam (GRE) has a mean of 500 and a standard deviation of 100. Use the normal distribution to answer the following questions: a. If you wanted to select only student at or above the 90th percentile, what verbal GRE

2^x = 0.125

206. ## chemistry

How many milliliter of 2.5 M NaOH are neededto neutralize 2.7 ml of a 4.9 M H2SO4 solution?

207. ## math:mensuration plane shapes

a cone that has a base diameter-8cm and height-3cm is cut into a circle's sector, what is the angle of the sector