1. math

3.Graph the points A(–5, 0 ), B(–4, 3), and C(0, –4) on the same coordinate plane. 2. Without graphing, identify the quadrant in which the point (x, y) lies if x < 0 and y < 0. (1 point) 3.Determine which ordered pair is a solution of y = –5x + 10.

2. LA plz help ms.sue

2.Which excerpt from the play best supports the answer to the reason Anne spends time with Peter? A I’m sorry Mother. I’m going to Peter’s room. I’m not going to let Petronella Van Daan spoil our friendship. B I mean, every time I go into Peter’s

3. MATH

Elaine is painting a fence. She knows that she needs 1 gallon of paint for each 10 feet of fencing. The fencing will enclose a rectangular yard that is 3 yards long and 2 yards wide. How much paint does Elaine need? (Remember 3 feet = 1 yard)

4. Geometry

A solid with two parallel bases cannot be which of the following? 1. cylinder**** 2. cube 3. prism 4. pyramid Thank you

5. Math

Jill said that an angle is made of any two rays. Is she correct? Explain

6. Math

Which of the following is an example of an independent event? A. Choosing one sock at random from your drawer, putting it on and then choosing another at random. B. Flipping a coin and rolling a number cube. C. Choosing students at random for basketball

7. Physics

A girl is sledding down a slope that is inclined at 30º with respect to the horizontal. The wind is aiding the motion by providing a steady force of 131 N that is parallel to the motion of the sled. The combined mass of the girl and the sled is 59.9 kg,

8. chemistry

When an ion-selective electrode for X was immersed in 0.0210 M XCl, the measured potential was 0.0480 V. What is the concentration of X when the potential is 0.0630 V? Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and

9. Physics

39. (Taken from problem 5 at the end of Chapter 9) Look at the children balanced on the see-saw in the figure below. r1 = 1.60 m. The center mass of the seesaw is located 0.16 m to the left of the pivot point. The seesaw board has a mass of 12.0 kg which

10. Social Studies

1) Which Geographic Feature most enabled people to cross the himalayas and other northern Mountains to settle the Indian Subcontinent? A) Rivers such as the ganges B)Gorges such as the khyber pass C)Lower mountains such as the Indian Subcontinet. D)Low

11. Art

Which technique do native Americans use to form patterned blankets? A. Embroidery B. Weaving*** C. Stitchery D. applique

12. trigonometry

You are standing on the equator of the earth (radius 3960 miles). a) what is your linear speed in miles per hour? b) what is the angular speed in radians per hour?

13. math

The cost of a student ticket to the school play is \$7. Write an equation that correctly relates the cost, c, for a particular number of student tickets, s, purchased. Identify the independent and dependent variables.

14. trigonometry

A Wheel of radius 14in. is rotating 0.5 rad/sec. What is the linear speed v, the angular speed in RPM ( rev per min), and the angular speed in deg/sec?

15. Science

18. The human immune system produces ______________ in response to a vaccine, which later can bind to and destroy a pathogen if it invades. (1 point)

16. Calculus

A hot air balloon is 150 ft above the ground when a motorcycle passes beneath it (traveling in a striaght line on a horizontal road) going 58 ft/sec. If the balloon is rising vertically at a rate of 10 ft/sec, what is the rate of change of the distance

17. Art

Prior to the arrival of the Spanish, Native Americans would likely have chosen which material with which to weave their blankets? A. Oat Wool B. Silk C. Sheep Wool D. Cotton Honestly I don't know but I'll go with B or C?

18. Chemistry

Calculate the molar solubility of Mg(OH)2 in the following solvents: (i) Pure Water (ii) 8.60×10−2M MgCl2 (iii) 3.70×10−2M KOH(aq) How should i solve this problem?

19. Chemistry

A professor wanted to set up a similar experiment as the one you performed in lab. The professor wanted to use Al(OH)3 in place of Ca(OH)2. Calculate how many mL of saturated Al(OH)3 solution it would take to titrate against 12.00mL of 0.0542M HCl

20. math

Aubrey has a shelf full of books. • Exactly 1} 3 of the books on the shelf are mysteries. • Aubrey has read 10 of the mysteries on the shelf. • The number of mysteries Aubrey has read is greater than }1 5 of the number of mysteries on the shelf and

21. physics

An object is released from rest at an unknown height h above the ground. One second later a second object is released from rest at the same height. When the first object strikes the ground, the second is 20 m above the ground. What is the initial height h?

22. math

maya thinks the theater sold 1,256 regular-price tickets.jonah says that 1,248 regular-pricetickets were sold.do you agree with either person

23. Algebra 2 math

In triangle GHI, angle H is a right angle, GH = 40, and cos G= 40/41. Draw a diagram and find each value in fraction and in decimal form. a) Sin G b. Sin I c. Cot G d. csc G e. cos I f. sec H - I have no idea how to do this

24. science (chemistry)

why does the pH of the acid solution initially increase very slowly when metal is first added to the acid solution, but gradually increase at a faster rate as the reaction proceeds to completion? I thought it may be because the metal is just then being

25. ideas for research

Find an article in an online Spanish language newspaper that interests you. Find another article in an online newspaper near where you live on the same topic or event. Then write a three paragraph report comparing and contrasting the different viewpoints

26. english

Identify the complements in the following sentences. Then, tell whether each complement is a predicate nominative, a predicate adjective, a direct object, or an indirect object. If a sentence does not contain a complement, write no complement. [1] My

if a rocket is launched straight up into the air with an initial velocity of 112 feet per second, it's height after t seconds is given by the formula h = 112t - 16t, where x represents the height of the rocket in feet: A. When will the rocket reach it's

28. Chemistry

A chemical reaction yields 3 moles of lithium hydroxide (LiOH). How many grams of lithium hydroxide are present? 24 g 48 g 72 g When ethane (C2H6) burns, it produces carbon dioxide and water: 2C2H6 (g) + 7O2 (g) 4CO2 (g) + 6H2O (l) How many moles of water

29. History

The question is based on "Democracy in America" by Alexis de Tocqueville: "Although private interest directs the greater part of human actions in the United States as well as elsewhere, it does not regulate them all. I must say that I have often seen

30. Chemistry

For the equation: MnO2 (s) + 2 CO (g) → Mn (s) + 2 CO2 (g) Calculate ΔG at 298K if MnO2 = 0.150 mol, Mn = 0.850 mol, CO = 0.250 M and CO2 = 0.500 M in a 1.25 L flask.

31. algebra

You are making a fence for your garden. The length is five less that two times the width. A.write a polynomial that represents the perimeter of the garden. B.write a polynomial that represents the area of the garden. C. Find the perimeter and area of the

32. Math

The Leaning tower of pisa is 55.9m tall and leans 5.5 degrees from the vertical. If its shadow is 90.0m long, what is the distance from the top of the tower to the top of the edge of it’s shadow? Assume that the ground is level.

33. plz help me

1)When a 10-kg crate is pushed across a frictionless horizontal floor with a force of 14 N, directed 25° below the horizontal, the magnitude of the normal force of the floor on the crate is (g = 10 m/s2): 2)A constant force of 2.8 N is exerted for 9.0 s

34. Math

Thomas put 1/4 of the c coins he had in his pocket into the jar under his bed. He put 16 coins into the jar. The equation that models this situation is 1/4c = 16. How many coins did Thomas have in his pocket? a 4 coins b 12 coins c 20 coins d 64 coins The

35. Math 141

A pair of fair 6-sided dice is rolled. What is the probability that a 3 is rolled if it is known that the sum of the numbers landing uppermost is less than or equal to 6?

36. math

Janet has 4} 9 gallon of paint. She uses 1} 8 of the paint she has to cover 3 canvases. She uses the same amount of paint to cover each canvas. What amount of paint does Janet use to cover each canvas?

37. Physics

A spinning wheel is slowed down by a brake, giving it a constant angular acceleration of −4.60 rad/s2. During a 2.60-s time interval, the wheel rotates through 85.4 rad. What is the angular speed of the wheel at the end of the 2.60-s interval?

38. Life orientation

Show the link between intrapersonal conflict and initiating relationship

39. Chemistry

Calculate the molar solubility of Mg(OH)2 in the following solvents: (i) 8.60×10−2M MgCl2 (ii) 3.70×10−2M KOH(aq) Please help!!!

40. chemistry

how many electrons can n=4 l=1 have?

41. physics

a car of the mass m kg travels on a straight,level road. the driving force of the engine is 4000N and the total resistance due to air friction and tires on the road is 300N. if the car accelerates at 3m/s2 ,what is the mass m of the car

42. Math

There are 9 red gum balls, 5 green gum balls, 8 yellow gum balls, and 8 blue gum balls in a machine. Find P(green, then yellow) A. 40/900 B. 5/30 C. 8/30 D. 40/870 Is the answer D? Thank you

43. Math

Solve the equation 13r = 3/7. Express your answer in the simplest form. a r = 91/3 b r = 7/39 c r = 39/7 d r = 3/91 Is c the correct answer.

44. maths

There are 21 rows of seats in an amphitheatre. Each row has 4 seats more than the row in front. The last row has 100 seats. How many seats are there altogether in the amphitheatre

45. need HELP PHYSICS!!

a) Calculate the P.E. a pile driver has if it is raised 4.5 meters by a mechanical winch. If the 510 kilogram pile driver is allowed to fall freely, what would its velocity be at ground level. b) A 4.2 kg mortar shell is fired out of a mortar with a

The height of an acrobat who jumps from a trampoline 2 feet in the air is modeled by the function: y = -16x^2 + 16x + 12, where x is the time in the seconds after the acrobat jumps. 1: Find the maximum height of the acrobat. 2: Find how long it takes to

47. Physics

An object is 21 cm in front of a diverging lens that has a focal length of -13 cm. How far in front of the lens should the object be placed so that the size of its image is reduced by a factor of 1.5? my work: 1/di=(1/-13)-(1/21) di=-8.02 m=8.02/21 m=.381

48. chemistry

What types of intermolecular forces allow CO2 to dissolve in water? Do CO2 and H20 have a relatively strong or weak attraction?

49. goverment

political socialization is affected by which of the following? demographic factors lobbying choice political awareness A Which is an example of a lobby? Northwest environmentalists religion marital status not sure People write letters to the editor to do

50. Probability

Let T1,T2,…,Tn be i.i.d. observations, each drawn from a common normal distribution with mean zero. With probability 1/2 this normal distribution has variance 1, and with probability 1/2 it has variance 4. Based on the observed values t1,t2,…,tn, we

51. Math

A number cube is shown is rolled and a spinner is spun. Find P(an odd number and yellow) The cube numbers are 1,5,3 that are being shown. The spinners colors are yellow in the top left corner, blue in the left bottom color, green in the top right color,

52. Accounting

Adelphia Corporation, which uses absorption costing, just completed its first year of operations. Planned and actual production equaled 13,000 units, and sales totaled 11,700 units at \$184 per unit. Cost data for the year are as follows: Direct material

53. Social Studies

How might the "Sociological imagination" be useful in a study of rape? Any help to point me in the right direction as to where to start. Thanks

54. chemistry

The partial pressure of fluorine gas (F2) in a mixture of gases where the total pressure is 1.00 atm is 300. torr. What percent of the mixture is made of fluorine gas

55. English

Based on your reading of “On Making an Agreeable Marriage” and A Vindication of the Rights of Women, what can you conclude about women’s education at the time these pieces were written? A. Women were mainly taught practical skills useful in running a

56. physics

A wave traveling along the x axis is described mathematically by the equation y = 0.16 sin (9.0πt - 0.58πx), where y is the displacement (in meters), t is in seconds, and x is in meters. What is the speed of the wave?

57. Algebra

How many musicians are there in an orchestra if 24 violinists represent 15% of all musicians?

58. physics

A block of mass m1 = 3.08 kg on a friction less plane inclined at angle θ = 32.3° is connected by a cord over a massless, frictionless pulley to a second block of mass m2 = 2.51 kg hanging vertically (see the figure). (a) What is the acceleration of the

59. math

A tractor bought for R120 000 depreciates to R11 090,41 after 12 years by using the reducing balance method. Calculate the rate of depreciation per annum if the rate was fixed over the 12 years, and calculate the effective interest rate if interest is 9,8%

60. Math help

Which expression represents the quotient 3.36/6. A. (3/6)+(0.03/6)+(0.6/6) B. (3/6)+(0.30/6)+(0.06/6) C. (6/6)+(0.03/6)+(0.6/6) D. (6/6)+(0.30/6)+(0.03/6) I think it's B but not sure of how I really got the answer anymore.

61. Algebra 1

Identify the initial amount a and the decay factor b in each exponential function. 1.) y= 0.1* 0.9^x

62. Geometry

Point X is on line AC such that AX = 3 CX = 12. If

63. Math

Thr number cube shown is rolled and the spinner shown is spun. Find P(an odd number and yellow). The cube shows the numbers 1,5,3. The color on the top left square is yellow, the bottom left squares color is blue, the color on the top right square is

64. chemistry

The partial pressure of fluorine gas (F2) in a mixture of gases where the total pressure is 1.00 atm is 300. torr. What percent of the mixture is made of fluorine gas

65. mat

You deposit \$125.00 in an account earning 4.5% interest compounded monthly. How much money (principle plus interest) do you have in this account at the end of 38 months?

66. PRE - CALCULUS

Solve the quadratic equation by the square root property. (2x + 5)2 = 49 A. {-6, 1} B. {0, 1} C. {-27, 27} D. {1, 6} d?

67. Physics

Two spheres A and B of equal mass are free to move on a smooth horizontal surface. A and B move towards each other with velocity vectors ai+bj and ci+dj r respectively and collide when the line joining their centres is parallel to i. After impact A and B

68. Math

Which of the following is an example of a dependent event? A. Flipping two coins B. Rolling a number cube and spinning a spinner. C. Choosing two scoops of ice cream. D. Choosing a cookie at random,eating it, and then choosing another at random. Is the

69. calculus

A conical drinking cup is made from a circular piece of paper of radius R inches by cutting out a sector and joining the edges CA and CB. Find the radius, height and volume of the cone of greatest volume that can be made this way.

70. calculus

A conical drinking cup is made from a circular piece of paper of radius R inches by cutting out a sector and joining the edges CA and CB. Find the radius, height and volume of the cone of greatest volume that can be made this way

71. Physical Science heat & temp. Chapter

How much heat in calories is required for (2.7 lb) of ice –200 F to be converted to water at 40 F?

72. Physics

When a particular wire is vibrating with a frequency of 3.8 Hz, a transverse wave of wavelength 46 cm is produced. Determine the speed of wave pulses along the wire. Answer in units of m/s.

73. mah

Let A = {a, b} and list the four elements of the power set P (A). We consider the operations + to be ∪, · to be ∩, and complement to be set complement. Consider 1 to be A and 0 to be ∅. a. Explain why the description above defines a Boolean algebra.

74. SOCIAL STUDIES

EXPLAIN THE IMPACT OF THREE AGENTS OF SOCIALIZATION

75. History

examples of religious intolerance: - Roger Williams, Anne Hutchinson , and other non-conforming Christians were banished from Massachusetts. - Only freedmen who were formally examined and admitted to the puritan church could vote in Massachusetts. -? Which

76. Math

Solve the equation. Choose the answer in simplest form. 4x = 8/7 a. 1/28 b. 1/7 c. 2/7 d. 7/2 Would the correct answer be b.

77. Statistics

A Today/CNN/Gallup Poll of 1015 adults found that 13% approved of the job Congress was doing in 1995. Find the 95% confidence interval of the true proportion of adults who feel this way.

78. Physics

If a tank contains water 4 m deep, what is the pressure at the bottom of the tank? (Neglect the atmospheric pressure.) A. 39.2 kPA B. 18.9 kPA C. 4.0 kPa D. 9.8 kPA Im really lost

79. chemistry

Suppose that 2.00mL of 0.02 mol/L aqueous sodium sulphide, Na2S is used to test a 60.0mL sample of water containing 0.0004 mol/L mecury (II) nitrate Hg(NO3)2, ions. a. Write the balanced equation Hg(NO3)2 + Na2S = HgS + 2NaNO3 b. Determine the limiting

80. Chemistry

For a solution that is 0.168M NH3 and 0.106M NH4Cl calculate the following. [OH-] [NH4+] [Cl-] [H30+]

81. math

these marbles are placed in a bag and two of them are randomly drawn what is the probability of drawing two pink marbles if the first one is placed back in the bag before the second draw thebag has 10 marbles.2 yellow.3 pink.5 blue

82. physics

A 102-kg man stands in an elevator that has an upward acceleration of 4.1 m/s2. The magnitude of the force exerted by him on the floor is about (g = 10 m/s2):

83. AP Physics

A racing car travels on a circular track of radius 220 m, moving with a constant linear speed of 48.9 m/s. Find its angular speed. Answer in units of rads/s. I already mutiplied 2π x 220. But I don't know what to do from there? Any help please? Thanks!

84. Math

A number cube is rolled and a spooner is spun P(5 and blue) The spinner has four squares The top left corner is yellow the bottome left corner is blue the right top corner is green the bottome right corner is yellow. The spinner is on the green square. The

How do I solve this equation (q+p^2-33p=9) for the point of elasticity in terms of p? Thank you!

86. Accounting

Adelphia Corporation, which uses absorption costing, just completed its first year of operations. Planned and actual production equaled 13,000 units, and sales totaled 11,700 units at \$184 per unit. Cost data for the year are as follows: Direct material

87. History

1. The right of "Pursuit of Happiness" would be most likely be identified by today's citizens as the right to: A. educational opportunities B. individual security C. ability to decide what I want to be D. government that is by the people and for the people

88. math

A crate is 7ft. Wide 7ft. Deep and 7ft. Tall write the measurements of the crate in exponential notation, standard form, and expanded form

89. geometry

A crate is 7ft. Wide 7ft. Deep and 7ft. Tall write the measurements of the crate in exponential notation, standard form, and expanded form

90. physics

Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a car can safely travel if the radius of the track is 80.0 m and the coefficient of friction is 0.43?

91. math /fraction

a container of fruit punch contains one half apple juice, one third pineapple juice and one sixth orange juice. If the container contains 12 cups how many cups are pineapple juice?

92. Physics

The drawing shows a circus clown who weighs 750 N. The coefficient of static friction between the clown’s feet and the ground is 0.630. He pulls vertically downward on a rope that passes around three pulleys and is tied around his feet. What is the

93. science

how many seconds does it take for Mercury to go from 0 degrees Celsius to 300 degrees Celsius? 1. 5 seconds 2. 10 seconds 3. 30 seconds 4. 357 seconds

94. Finite Math

Juan invested \$24,000 in a mutual fund 5 years ago. Today his investment is worth \$34,616. Find the effective annual rate of return on his investment over the 5-year period.

95. PRE - CALCULUS

Evaluate the radical expressions or indicate that the root is not a real number. 3sqrt-4^3 A. -64 B. 4 C. -4 D. not a real number B?

96. DPS PHYCIS

LET A AND B BE THE TWO VECTORS OF MAGNITUDE 10UNITS EACH. IF THEY ARE INCLINED TO THE X-AXIS AT ANGLE 30` AND 60` FIND THE RESULTANT ALSO FIGURE

97. Physics

A football player pushes a tackling dummy forwards at a constant speed for 111m using 7150J of energy. b)What is the frictional force the dummy exerts? c)What work is done by friction as the dummy is slid along the field for 11m? omg please help I am so

98. AP CALC

Write a definite integral in terms of x that represents the volume of a sphere with radius 2.

99. pseudocode

Create a class named Year that contains data fields to hold the number of months in a year and the number of days in a year. Include a constructor that sets the number of months to 12 and the number of days to 365, and get and set methods for each field.

100. statistics

The average number of houses sold by a company is 2 houses per day what is probability that's exactly 3 houses will be sold in one week

101. Biology

What are two roles restriction enzymes play in transformation

102. chemistry

Convert 75.0 psi to atm My work: 75.0psi x 1 psi/14.7 atm =5.10 atm Not sure if this is set up right we are using dimensional analysis

Disussing the future of management, Manager A maintains that we can expect a continued rise of virtual management and growth in technology. Manager B acknowledges that Managers A's projuctions are likely, but incomplete. He adds that there will also be an

104. math

Let A = {a, b} and list the four elements of the power set P (A). We consider the operations + to be ∪, · to be ∩, and complement to be set complement. Consider 1 to be A and 0 to be ∅. a). Explain why the description above defines a Boolean

105. Calculus (urgent help)

consider the function f that is continuous on the interval [-5,5] and for which the definite integral 0(bottom of integral sign) to 5(top of integral sign) of f(x)dx=4. Use the properties of the definite integral to evaluate each integral: (a) definite

106. chemistry

How much mL of 0.5m HCL would it take to compeletly react with 3.00g CaCO3?

107. statistics

last year houston hospital averaged 98 births a month with a standard deviation of 6 january reported 107 birhts. how does the number of birhts in january compare to the average

108. Science

In the ocean, there are area's where there are very few living things. _______ is the term that when this happens to a natural area.

109. Math

Solve this system that is represented by the following matrix. [1 -2 -2| -3 0 5 3| 13 0 0 1| 1] Write answer in (x, y, z)

110. Programming Logic and Design

Create a class named Year that contains data fields to hold the number of months in a year and the number of days in a year. Include a constructor that sets the number of months to 12 and the number of days to 365, and get and set methods for each field.

111. science

Given the following reaction (it IS balanced), how many grams of CO2 are produced when 0.700 moles of toluene (C7H8) is allowed to completely combust? C7H8 + 9 O2 ¨ 7 CO2 + 4 H2O

112. Statistic

The average number of houses sold by a company is 2 houses per day what is the probability that exactly 3 houses will be sold in one week

113. Social Studies

I kknow what the sociological imagination and C.W.Mill but how can this be useful in the study of rape.

114. math

solve sinx/2,cosx/2 & tanx/2 of the following:- (a)sinx=1/4 & x lies in second quadrant.

115. Social Studies

How can you - illustrate how you came to "know the of boundary of your own thoughts, feelings and experiences" and how this is helpful in understanding others. I know we learn our boundries from a young age, but how is it helpful in understanding others?

116. Algebra

What is the equation of the line that passes through (-6,-2) and is parallel it the line with the equation x=4

117. plz help me

A 2.8-kg block slides down a frictionless plane that makes an angle of 57° with the horizontal. The acceleration of the block is (g = 10 m/s2):

118. chemistry

if 0.600 moles of copper(II) sulfide is treated with 1.40 moles of nitric acid, how many moles of copper(II) nitrate could be produced?

119. Physics

What is the mass of a child if the force of gravity on the child's body is 100 N? A. 9.8 kg B. 4.45 kg C. 22.5 kg D. 10.2 kg what?

120. calculus

A box with a square base is to be constructed with a surface area of 726 square centimeters. 1. Draw a diagram of the box. Label the diagram appropriately with variables. 2. Write an objective equation and a constraint equation (label each one as objective

121. Math

With which letter can you make exactly 2 polygons by drawing 2 more line segments?

122. math

How much would it cost to drive 54.2 miles in a car that gets 16 miles per gallon and gasoline costs \$2.31 per gallon?

123. PHYSICS

Tin melts at 232 under standard atmospheric pressure. Express this temperature in kelvin

124. PHYSICS

In a power plant the high pressure turbine trips due to an unauthorised valve shutdown. What are a) what is the angular acceleration of the turbine blade? b) what is the distance travelled by a point on the rim of the turbine blade during the acceleration?

125. Math

Pier one had a sale-buy two for \$ 12 EACH and get the third free.how much would she spend to get 15 beanbag chairs? Need to show work

126. math

A rectangle has a length of 6x+3 units and a width of 8 units. Write a simplified expression for the area, in square units, of this rectangle. So, my answer was 9x+8 please tell me is this correct... Thank you

127. exponential equations

A colony of Salmonella bacteria has a current population of 1000 organisms. If this particular strain has a doubling time, d, of 18 minutes, calculate the future population after 180 minutes.

128. physics

what is relative velocity?Answer with an example & description also a diagram.

129. Exponential Equations

A colony of Salmonella bacteria has a current population of 1000 organisms. If this particular strain has a doubling time, d, of 18 minutes, calculate the future population after 180 minutes. 1000er^18 1e+54

Wouldn't a "administrative assistant I" be considered a non-exempt employee? Non-exempt employees are covered by overtime provisions of the FSLA act and must be paid overtime for all hours worked over 40.

131. Algebra

Nicole's age is two-thirds of Nathan's age. Two years ago, Nicole's age was half of Nathan's age will be in 5 years. What is Nathan's age?

How long will it take to travel 614 km. when you are moving at a rate of 5 cm. per year?

133. Math

If you were stacking 13 in. boxes in a 58 in. closet, would you round up or round down to determine how many can fit? How many would fit? How do I solve this problem.

134. science

How to calculate the mass of 17 ml of 2 mole of sulfuric acid?

135. calculus

consider the function f that is continuous on the interval [-5,5] and for which the definite integral 0(bottom of integral sign) to 5(top of integral sign) of f(x)dx=4. Use the properties of the definite integral to evaluate each integral: (a) definite

136. History

to what extent are studies in the arts important to the success of a renaissance man?

137. phy

when the junctions of two dissimilar metals are maintained at different temperatures an electromotive force is set up in the circuit of which these junctions are part. a pair of junctions of this kind and the effect are known respectively as

138. math

write a system of equations that is not linear and graph. can this work equation work? 3x+2y=12 3x+2y=6 1. 3x+2y=12 y=-3/2x + 6 2. 3x+2y=6 y = =3x/2+3 when i graph it will be parallel.

139. PHYSICS

Calculate the work done against external atmospheric pressure when 1 g of water changes to 1672cm3 of steam. Take the atmospheric pressure as 1.013×105Nm−2

140. algebra

I wanted to know a pythagorean example for three consecutive even numbers like 6,8,10 . I want a new example,

141. Math

Put this matrix in Reduced Row Echelon Form. Make sure that you list the Elementary Row Operations that you use and show every step in order to solve this. [ 1 2 1 -2 -3 1 3 5 0]

142. statistics

Suppose that your studying tine is unifornily distribution between 4 pm and 10pm what is the probability that will study afterb8 pm

143. Math

What value of x makes this equation true? 1/3(9x-2)+1=2(4x+1) a) x=-3 b)x=-1/3 c)x=1/3 d)x=3 Please explain. Having a hard time figuring out.

144. Geometry

The measures, in degrees, of the three angles are x, x+10, and 2x-6. Find the measure of all three angles of the triangle.

145. Math

Travis is making 5 lasagna using 12 cups of cheese. Which number represents the amount of cheese he will use per lasagna?

146. exponential equations

A colony of Streptococcus bacteria has a current population of 450 organisms. This particular strain has a doubling time, d , of 25 minutes. Calculate the future population after 2.5 hours.

147. Physics

A converging lens (f = 27.5 cm) is used to project an image of an object onto a screen. The object and the screen are 113 cm apart, and between them the lens can be placed at either of two locations. Find the two object distances. (Enter your answers from

148. calculus

karen hits a tennis ball with an initial velocity of 42 feet per second an at angle of 16 degree with the horizontal from a height of 2 feet. she is 20 feet from the net and the net is 3 feet. will the ball go over the net?

149. PHYSICS

In a power plant the high pressure turbine trips due to an unauthorised valve shutdown. What are a) what is the angular acceleration of the turbine blade? b) what is the distance travelled by a point on the rim of the turbine blade during the acceleration?

150. Math

Q. Ted's dad agreed to take out the eight players on Ted's basketball tea, for ice cream sundaes. Each of the players ordered an ice cream sundae for \$2.49. What was the total bill? - A. Do I just mulpite 8 by \$2.49?

151. math

what are the different 4-digit combinations that can be made from using 5, 6, 3, 8, if the number can appear just once?

152. Math didn't post problem right

find the Quotient: 1,754/21 a 1733 b 21 11/83 c 83 11/21 d 1775 Is C the correct answer. I had post the problem wrong. Sorry

153. Chemistry

Calculate ΔG at 298K if MnO2 = 0.150 mol, Mn = 0.850 mol, CO = 0.250 M and CO2 = 0.500 M in a 1.25 L flask.

154. linear algebra-urgent

1)let w=[3;4] and u=[1;2] a) find the projection p of u onto w. I found this to be p=[1.32;1.76] b) find a scalar k for which the vector kp has a norm that is equal to one. k=? d)find a vector that is orthogonal to span{w} s=? how do I do this

155. math

use order of operation to simplify 24+20DIVIDED BY 4-(3TIMES2)

156. English

Quick! Is "But I'll set down the pegs that make this music" act 2 scene 1 line 185(sparknotes) of play Othello a metaphor? It is right? I hope I am right!

157. English

1. I'd better put less food on my lunch plate tomorrow. 2. I'd better put less food on my lunch tray tomorrow. 3. I'd better put less food on my lunch food tray tomorrow. ---------------------------- Are they all the same in meaning? Does 'tray' mean

158. personal

How many different 4-digit numerals can be made from the digits 5, 6, 3, 8, if a digit can appear just once in a numeral?

159. satellite communication

If a satellite is launched at an orbital radious of twice that of a geostationary satellite ,how much time will the launched satellite take to travel around the earth ?

160. Math

find the quotient: 1,754/12 a 1733 b 21 11/83 c 83 11/21 d 1775 Would C be the correct answer?

161. Math

The perimeter of a rectangular garden is (3x + 12) feet. What is the perimeter of the garden in factored form?

162. wisdom house

Math. Change these fraction into as sending order 4/3, 7/8,3/16

163. math

To the nearest tenth, what is the distance between (7,4) and (12,5)? a) 4.8 units b) 4.9 units C) 5.0 units d) 5.1 units Please explain. Thank you.

29×47

165. Microbiology

What are the problems with harvesting gene products from bacteria? Alternatives? All I can think of is the accidental development of a suprabug or suprainfection/disease

166. English

I need to compare and contrast golf and curling I just need few points. I got that both sports require proper shoes.

167. Geometry help

If a regular triangle has a perimeter of 30sqrt3 what is its apothem?

168. History

Why would President Johnson be so concerned about having citizens and leaders across the nation join him in the cause of achieving equal rights for all citizens? A. They would all be voting on the bill. B. He wanted to make a good impression on the people

169. Math

If it takes 3.5 yds to make 50 items, how many yds would it take to make 3000 items?

170. PHYSICS

A dock worker is loading a 25 kg solid cylindrical barrel to a ship by rolling it up a 9 meter long and 1.5 meter high ramp. At the top of the ramp the dock worker stop to go around the barrel but he loses the grip and the barrel starts to roll down the

171. Math

Trying to find the rule & equation for the function table. x= 1, 2, 3, 5, 10, 12 y= 9, 13, 17, 25, 45, 53

172. exponential equations

Listeria has a current population of 400 organisms. After 72 minutes the population increased to 6400 organisms. Calculate the doubling time, d, of the bacteria.

173. Precal

Can you explain how to complete the square? x^2 -y^2 - 2x +4y-6=0

174. English

1. What will you recommend as a resorting place? 2. He recommended a good place to play with friends. 3. What about the restaurant that the man recommended for/to us. ------------------------------ Thank you for your help. What about the sentences? Are

175. Math

Directions: Does the following inverse of [2 6 exist? 1 3] If it isn't an inverse, explain why.

176. Science

If a full moon occurred on April 1, what phase would you see on the 7th, 21st,4th,30th,and 14th of April

177. Math

can prisms that have the same height and same base perimeter have different volumes?