1. Help me with this science.

Multiple Choice: 1. Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? (1 point) nitrogen-fixing bacteria denitrifying bacteria decomposers producers 2. Which step in the nitrogen cycle is

2. English 10

Which of the following is a possible setting for works of American literary realism? CHECK ALL THAT APPLY! *a. American West *b. Post-Civil War South c. New England d. Gold Coast I think there is one more that needs to be check, but I don't know which one

3. Urgent Science~!

Carla applied a force of 35 N to a wheelbarrow full of bricks and moved it 2.5 m. Which of the following can be determined from this information? The wheelbarrow supplied 87.5 J of work. The wheelbarrow has a mechanical advantage of 14.*** The wheelbarrow

4. Algebra 2

some investments in the stock market have earned 10% annually. At this rate, earning can be found using the formula A=p(1.10)n, where A is the total value of the investment, P is the initial value of the investment, and n is the number of years the money

5. Science HELP!!!!

Which waves have the longest wavelength and the lowest energy on the electromagnetic spectrum? 1. X-rays 2. infrared 3. radio waves 4. gamma rays

6. Economic

Why might a profitable motel shut down in the long run if the land on which it is located becomes extremely valuable due to surrounding economic development? What kinds of costs are involved in making a decision to shut down?

7. Social Studies

1. Diversity most closely means (1 point) sharing cultural traits and practices with others. making up a whole of many different parts. being a member of a small ethnic group. having many similar regions next to one another. 2. How does life in Istanbul

8. Ap Physics 1

The 1800 kg tractor exerts a force of 1.75 104 N backward on the pavement, and the system experiences forces resisting motion that total 2400 N. If the acceleration is 0.210 m/s2, what is the mass of the airplane? (b) Calculate the force exerted by the

9. 1 question!

Answer the following question about the poem “Fable for When There’s No Way Out.” How does this line from the poem help explain the outcome of the chick’s struggle? “Rage works if reason won’t.” Okay, I have read this poem, but I do know how

10. math

What percent of 94 is 23? A.n/94=23/100 B.23/94=n/100 C.94/n=23/100 D.23/94=100/n

11. earth

3. What can scientists learn from the rate at which radioactive elements decay?

12. Physics

a): Two 50 g ice cubes are dropped into 200 g of water in a thermally insulated container. If the water is initially at 25 degree Celsius, and the ice comes directly from a freezer at -15 degree Celsius, what is the final temperature at thermal

13. physics

A vertical scale on a spring balance reads from 0 to 220N . The scale has a length of 15.0cm from the 0 to 220N reading. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.45Hz . Part A Ignoring the mass of the spring,

14. Math

Need help on this one.... Your town is building a circular ice rink with a diameter of 100 feet. Around the ice rink will be a walkway that is 10 feet wide. What is the approximate area of the walkway? Thanks...

15. algebra

what is the solution of the following system {3x + 3y =10 {-9x-9 =-30 Can you show step by step please.

16. Algebra

Which linear system of equation does the matrix represent [2 -3=10] [5 6=-12] is it {2x + 5y =10 {5x + 6y =-12

17. algebra

what point in the feasible region maximizes the objective function x>0 y>0 constraints -x+3+y y,1/3x+1 Object function C+5x_4y

18. Physics

Help!!!! Please!!! The coefficient of performance of a refrigerator is defined as the ratio of heat extracted from the refrigeration compartment to the work required to operate the refrigerator. A certain refrigerator has a coefficient of performance of 4

19. Chemistry

Methane reacts with water to form CO and H2 as follows: CH4(g)+H2O(g)=CO9g)+3H2(g) The value of Kp at 298 k for the reaction is 7.7 *10^24, calculate Kc. If you can please show the steps I would greatly appreciate it. Thank you

20. calculus

Imagine making a tent in the shape of a right prism whose cross-section is an equilateral triangle (the door is on one of the triangular ends). Assume we want the volume to be 2.2 m3, to sleep two or three people. The floor of the tent is cheaper material

21. Science help,Anyone?

1. Why is it rare for the soft parts of an organism to become a fossil? The soft parts take a long time to decay. The soft parts can be eaten by other animals. The soft parts cannot be buried in sediment. The soft parts form petrified fossils. 2. Which of

22. Chemistry - Chemical Equilibrium

In a solution with carbon tetrachloride as the solvent, the compound VCl4 undergoes dimerization: 2VCl4 V2Cl8 When 6.6834 g VCl4 is dissolved in 100.0 g of carbon tetrachloride, the freezing point is lowered by 5.97*C/ Calculate the value of the

23. statistic

Step by Step please For the following dataset, describe in a sentence or two the transformation necessary to linearize the data... x | y 1 | .7 2 | 1.3 3 | 1.8 4 | 2.1 5 | 2.3

24. English - help

I just opened a savings account at the First Federal Bank Main Street Office. First Federal Bank is underlined. Choices: First Federal Banks First Federal Bank's First Federal Banks' I think it is B...?

25. algebra

What point in the feasible region maximizes the objective function? Step by step please x¡Ý0 y¡Ý0 Constraints -x+3¡Ýy y¡Ü1/3x+1 objective function C=5x-4y

26. Math

A marching band was in a parade. The band members marched in 8 rows. There were 6 band members in each row. Explain how the fact that 5X6=30 can help you find 8X6. I need help with this question

27. Chemistry

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of SO2(g). 2SO2(g)+O2(g)=2SO3(g) Kc=1.7*10^8 [SO3]aq=0.0034 M [O2]aq=0.0018 M

28. algebra

what point in the feasible region maximizes the objective function? x>0 y>0 constraints -x+3>y y

29. Algebra

Ramiro earns \$20 per hour during the week and \$30 per hour for overtime on the weekends. One week Ramiro earned a total of \$650. He worked 5 times as many hours during the week as he did on the weekend. Write and solve a system of equations to determine

30. Parametric equations/Trigonometry - Lattice points

A lattice point is a point with integer coordinates. How many lattice points (x,y) with -100 less than or equal to x less than or equal to 100 and -100 less than or equal to y less than or equal to 100 are on the graph of the parametric equations x=30-40

31. English - help

Everyones homework needs to be completed by the end of class. Everyones is underlined and my choices are Everyone's Everyone Everyones' I think it is A...?

32. old man and the sea

Why isn't Santiago prepared for the first shark attack? A. Because Santiago had not seen any sharks in these waters before. B. Because the shark comes up, almost out of nowhere, from the ocean depths. C. Because sharks are built to feed on all the fishes

33. Health (Ms. Sue)

Why does compromise plays such an important role in the success of a marriage?

34. math

108 is 36% of what number? Write and solve a proportion.

35. math

Estimate a 15% tip on a taxi ride that cost 23.25.

36. college intermediate algebra

Working together, two people can mow the lawn in 24 minutes. Working alone, one person takes 20 minutes longer than the other. How many minutes would it take each person to mow the lawn alone? Thanks!!!

37. Chemistry

In a solution with carbon tetrachloride as the solvent, the compound VCl4 undergoes dimerization: 2VCl4 V2Cl8 When 6.6834 g VCl4 is dissolved in 100.0 g of carbon tetrachloride, the freezing point is lowered by 5.97*C/ Calculate the value of the

38. Algebra2

What is the minimum value for P=x-2y over the feasiblity region defined by the constraints shown below? 8 -2 -16 -14

39. World History

1)Which cities were the leaders of the two Christian religions? 2)What body of water touched Latin,Eastern Orthodox and pagan lands? 3)In what place would you anticipate a major effort by Latin Church to expand its influence?Why?(according to the map of

40. Math

the larger angles of a rhombus are twice the smaller angle of the rhombus. if the shorter diagonal is 20, find the perimeter of the rhombus

41. algebra2

Find the values of x and y that maximize the objective function P=3x + 2y for the graph. What is the maximum value. step by step please

42. College Chemistry

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of SO2(g). 2SO2(g)+O2(g)=2SO3(g) Kc=1.7*10^8 [SO3]aq=0.0034 M [O2]aq=0.0018 M

43. math

What number is 73% of 215? A.215=0.73n B.n=0.73*215 C.0.73=n*215 D.215=73n

44. statistic

For the following dataset, describe in a sentence or two the transformation necessary to linearize the data. Be sure to convince your teacher that you understand X Y 1 0.7 2 1.3 3 1.8 4 2.1 5 2.3

45. math

One car rental agency charges \$20 per day plus \$0.25 per mile. A different agency charges \$37 per day with unlimited mileage. For what mileages is the second rental a better deal? Set up as an inequality

46. Algebra

A roadside vegtable stand sells pumpkins for \$5 each and squashes for \$3 each. One day they sold \$6 more squash than pumpkins, and their sales totaled \$98. Write and solve a system of equations to find how many pumpkins and squash they sold?

47. Physics

The equation of motion for an oscillator in vertical SHM is given by y=(0.60m)sin[(130rad/s)t]. Part A What is the amplitude of this motion? Part B What is the frequency of this motion? Part C What is the period of this motion?

-6 >/= to g + 4

49. Math. I really don't get this question

three circles are manually tangent externally. their centers form a triangle whose sides are of length 8, 9, 13. find the total area of the three circles

50. physics

A runner of mass m = 48 kg and running at 3.7 m/s runs as shown and jumps on the rim of a playground merry-go-round which has a moment of inertia of 378 kg·m2 and a radius of 2 meters. Assuming the merry-go-round is initially at rest, what is its final

51. chem

7.75 litres of radon gas is at 1.55 atm and -19 degrees c what is the volume at stp

52. Geometry

I need to do an assignment where I find two cereal boxes that have the same volume but differ in surface area? Can someone please tell me when I'm looking at the boxes what I need to be looking at to compare these two things please? Thank you!

53. Ap Physics 1

The 1800 kg tractor exerts a force of 17500N backward on the pavement, and the system experiences forces resisting motion that total 2400 N. If the acceleration is 0.210 m/s2, what is the mass of the airplane? (b) Calculate the force exerted by the tractor

54. Health (Ms. Sue)

1. What is the relationship between emotional maturity and emotional intimacy? A: ? 2. Explain why it is difficult for teen marriages to succeed? A: ?

55. Physics

A sonar generator on a submarine produces periodic ultrasonic waves at a frequency of 2.60MHz . The wavelength of the waves in seawater is 5.90×10−4m . When the generator is directed downward, an echo reflected from the ocean floor is received 11.0s

56. math

if robbie runs 10 miles per hour, how many minutes would it take to run 2 miles? I don't know how to figure this out? Can someone give me a hint? is it 12 minutes? 60 min/ 10 miles = x min / 2

57. Math

Find four consecutive integers, such that the product of the first and second integer minus 2 is equal to 3 times the product of the third and fourth integer.

58. Social Studies

Why is cross-cultural exchange an important part of the history of the Iberian Peninsula? I need three different examples and only have one; your thoughts would be greatly appreciated!

59. Physics

A person sitting quietly in a room on a winter day may lose heat primarily by radiation from the outer surface of her clothes to the walls of the room. If the walls are at 13.8° C and the rate of radiation is 96.0 kcal/h (a typical basal metabolic rate),

60. math

a car rental company charges a flat rate of \$29 per day and an additional \$0.15 per mile. Write an equation to model the total charge

61. Physics

A pair of constant forces of magnitude F = 11.1 N is applied to opposite sides of the axle of a top, as shown in the figure. The diameter of the axle is d = 8.67 mm. The angle è, which has a value of 36.1°, describes the steepness of the top's sloping

62. English

State the meaning of the word expedite as it is used in the following sentence. Then, identify the context clue that you used to understand the meaning: definition clue, synonym, example clue, contrast clue, or inference clue. The majority of the elected

63. Health (Ms. Sue)

1. Describe characteristics that you would expect to see in an emotionally mature person. A: The characteristics of an emotionally mature person is that the person is confident in their own abilities. The person is not jealous or mean-spirited towards

64. physics

An airplane with a speed of 46.4 m/s is climbing upward at an angle of 44° counterclockwise from the positive x axis. When the plane's altitude is 700 m the pilot releases a package. (a) Calculate the distance along the ground, measured from a point

65. math

72 is what percent of 480? Write an equation.

66. Algebra2

what is the solution to the above system of equation 2x + 5y =-4 4x -5y =22

67. Physics

Ice of mass 51.5 g at -10.2° C is added to 218 g of water at 13.5° C in a 111 g glass container of specific heat 0.200 cal/g-°C at an initial temperature of 24.9° C. Find the final temperature of the system.

68. Calculus

Solve the differential and initial value problem: x(dy/dx) + 1 = y^2 y(1)=0 I tried using bernoulli and it didn't quite work.

69. Physics

A car with a total mass of 1.48 103 kg has wheels of radius 33.5 cm and moment of inertia 0.810 kg · m2. (a) Find the car's translational kinetic energy when the car is moving at a speed of 30.0 m/s. (b) Find the car's rotational energy when the car is

70. GEOMETRY CIRCLES

1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent

71. classical mechanics

A hydrometer is a device that measures the density of a liquid. The one shown in the figure has a cylindrical bulb of radius attached to a cylindrical stem of radius and length . When placed in a liquid, the device floats as shown in the figure with a

72. Statistics

Multiple choice question that's hard to figure out and understand.(information provided) Ten members of a fraternity take a statistics course. Here are their scores on the first exam in the course: 61,74,47,60,62,63,65,79,55,85. The question states: In

73. English

Hello, what is a common theme between the Shakespeare's Romeo and Juliet, To Kill a Mockingbird, and Roahl Dahl's Lamb to the Slaughter? Please give examples of the the theme found within in the 3 books. It's just that I have to write a formal literary

74. math

is this correct? Determine the surface area of the right triangular prism shown below. Round all measurements to one decimal place. 3.0*3.0=9.0*2=18 8.0*3.0=24 3.0*3.0=9 the surface area of this triangular prism equals to 18+24+9= 51

75. Math

Ellipses [(x+3)^2 / 12] + [(y-2)^2 / 16] I Have to find the following: Center: Foci: Vertices: A: B: C: Eccentricity:

76. west prep

for a zero order how long will it take for the concentration of reactant tp fall to one eight is original value if it takes 15.5 minutes for concentration to be reduced to half its original value

77. Tan^2 Integrals

I'm having a hard time understanding how to do Integrals involving tan^2. I have two problems: 1. Find the integral of (tan^2 y +1)dy 2. Find the integral of (7tan^2 u +15)du 1. My approach to it is to replace the tan^2 y portion of the problem with sec^2

78. MATH

Write an equation in point slope form given the following M=2/9 (-1,5)

79. classical mechanics

A U-tube open at both ends to atmospheric pressure is filled with an incompressible fluid of density . The cross-sectional area of the tube is uniform and the total length of the column of fluid is . A piston is used to depress the height of the liquid

80. classical mechanics

enturi Flow Meter (19 points possible) A Venturi flow meter is used to measure the the flow velocity of a water main. The water main has a diameter of 40.0 cm, and the constriction has a diameter of 10.0 cm. The two vertical pipes are open at the top, and

81. social studies

what is a reason of both France and Spain for not wanting to keep the Louisiana colony ? a) the colonists refused to respect the flag b) the colony never became prosperous c) the colony was expensive to run d the colonists were to rebellious

82. statistic

For the following dataset, enter the data into a calculator and find the least square regression line, correlation coefficient, and coefficient of determination. step by step please X1 Y1 10 8.04 8 6.95 13 7.58 9 8.81 11 8.33 14 9.96 6 7.24 4 4.26 12 10.84

83. music

I need help I'm about to take my Comprehensive Final Exam on Foundations of Music A STEP BY STEP APPROACH TO MUSIC THEORY. I'm so confused I don't want to fail my test I failed the last two I'm afraid of failing. Please help me.

84. Math: Trig

Help with vectors, please. Thanks 1) Express point in rectangular form. Give EXACT answer, if possible? (2, 4π /11) 2) Given P = (2. -3) and Q = (-3, -4). find the component form of vector PQ 3) The vector v has a magnitude of 25 inches and a direction of

85. English

Where can we find the summary of 'the Big Story' by John Escott?

86. math

simplify 2log2/5-log27/125+log9

87. math

Regular sandwiches are sold with 3 pickles and 2 tomato slices. Deluxe sandwiches are sold with 5 pickles and 3 tomato slices. Suppose that you have 1100 pickle slices and 700 tomato slices. How many of each type of sandwich can you make using all the

88. Algebra2

Please me with this thanks What is the solution of the system of equations? 3x + 2y + z =7 5x + 5y + 4z =3 3x + 2y + 3z =1

89. Geometry

An equilateral triangle has side lengths of 10. If the consecutive midpoints of the triangle are joined, then find the perimeter of the new triangle that is formed

90. classical mechanics

A bar of mass and negligible height is lying horizontally across and perpendicular to a pair of counter rotating rollers as shown in the figure. The rollers are separated by a distance . There is a coefficient of kinetic friction between each roller and

91. classical mechanics

Attach a solid cylinder of mass and radius to a horizontal massless spring with spring constant so that it can roll without slipping along a horizontal surface. If the system is released from rest at a position in which the spring is stretched by an amount

92. MATH

Write an equation in point slope form given the following M=2/9 (-1,5)

93. Science

What is a example of a scientific law?

Jimmy wants to buy a jeep in 5 years. If his bank pays 12% interest compounded annually, what must jimmy deposit today to have 15,000 in 5 years?

95. Math

In a science experiment, Ms. Dixon's students find that there is 0.00385 times as liquid in Beaker A as in Beaker B after two days. There are 3.5 millimeters of liquid in Beaker B. How much Liquid is in Beaker A?

96. math help!!!

calculate the surface area of a cylinder with a height of 60cm and a circumference of 62.8. I don't understand the formula and how to get the answer!!

97. Math, HELP!

A concert venue sold 1425 tickets one evening. Tickets cost \$40.00 for a covered pavilion seat and \$30.00 for a lawn seat. Total receipts were \$48,000.00. How many of each type of ticket were sold?

98. Need help, 3 questions

19. Most readers will wait patiently for the next book in the series to be released. complete predicate complete subject simple predicate simple subject 20. After that, we can get some popcorn at the snack bar. complete predicate complete subject simple

99. Math

Sugar comes in 2 pound bags and flour comes in 5 lb bags. Thomas bought 3 more bag of sugar than flour and the total weight was 48 pounds. How many bags of sugar and flour did Thomas buy?

100. ap physics

A spherical comet of mass m and diameter is d, travelling at velocity v enters a cloud of stationary cosmic meteoroids (small rocks). The average density of the cloud is p. When a meteoroid impacts the comet it adheres to its surface. As a result the comet

101. math

Original Question is: how many 1/2 miles are in 12 miles? write the division question 12 divided by 1/2= 24 what multiplication question could the model also answer? 12 x 2 =24 This is the one I didn't understand Write the question given as a

102. Math URGENT

1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent

104. classical mechanics

th a hole (14 points possible) A cylindrical bucket has a small hole at the bottom. The water exiting the hole has velocity . What is the depth, , of the water in the bucket?

105. math

What is the negation of p and q?

2k^2+5k-9

107. english

I have to write an English paper discussing a current event; I chose Obama Care, but was told it is not a current event. I know the bill was passed in 2014, but discussions are still being posed about it and there are continuing developments, so why is

108. College Algebra

A circular vent pipe with a diameter of 5.5 inches is place on a roof that has a slope of 1/4. Find an equation of the ellipse that should be cut from the roof so that the pipe will fit. roound parameters to the nearest hundreth.

109. Math

Apply a rotation to the parent linear function shifted down 3 units.

110. Math :)

I need to write a linear function using the following data: Year Life Expectancy In Years 1940 62.5 1950 71.1 1960 73.1 1970 74.7 1980 77.5 1990 78.8 I know the formula is y=mx+b but im not sure how to determine that from what I have been given. Thanks for

111. Science

What is the best tool to create a model of a complex this system?

112. pre calculus

2x^2+11x-21=0

113. college algebra

A circular vent pipe with a diameter of 5.5 inches is place on a roof that has a slope of 1/4. Find an equation of the ellipse that should be cut from the roof so that the pipe will fit. roound parameters to the nearest hundreth.

114. physics

in other terms of units, what is a joule equal to? a)N*m b)N/m c)W/s d)s/W e)N*s

115. Math

Gill is trying to set a world record at is school. Every day for 100 days, he walks 7.5 miles. How many miles does Gill walk in all?

116. Health (Ms. Sue)

1. What is the relationship between emotional maturity and emotional intimacy? A: ? 2. Explain why it is difficult for teen marriages to succeed? A: It is difficult for teen marriages to succeed because they must cope with many stresses, such as financial

117. math

If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).

118. Health (Ms. Sue)--These are my final questions.

Ms. Sue, please, can you help me with these remaining questions? 1. List three ways you could help make your family relationships healthier. A: ? 2. Describe the responsibilities of a parent. A: ? 3. Why do you think the households made up of married

119. Pre-calc

Logx16=-2

Logx16=-2 how do you solve this?

121. Physics

Two spheres of masses m = 1.09 g and m' = 1.03*10^2 kg are isolated from all other bodies and are initially at rest, with their centers a distance r = 14 cm apart. One minute later, the smaller sphere has moved 0.500 mm toward the larger sphere. Compute

122. Math

∫[dy/(y^2-1)] How do i solve this?

123. math GR.8!!!

A cylinder has two circular ends, each with an area of 1256 c,. The height if the cylinder us 60 cm. what is the surface are of the cylinder? plz explain the formula and all the steps towards how u got the answer... thank u!!!

124. basic geometry

mrs. sally needed to build a triangular platform in the shape of an isosceles right triangle. the legs of the triangle are 6"long how long was the base side of the triangular platform? she also made well panels for the show that were 4" wide. how many wall

125. CHEMISTRY

I haven't learned half reactions for oxidation and reduction so please teach me by leading me from step to step.... I don't get this.. Sn2+ +2Fe3+---> Sn4+ +2Fe2+ The answer key says Oxidation: Sn2+--->Sn4+ +2e- Reduction: 2Fe3+ + 2e----->2Fe2+

126. Math

Which digit (0-9) occurs most often on a calendar for this month. Which occurs least often? Is the answer the same for every month of this year?

127. Math

(1) 8/1 divided (-3 2/5) My answer is 68/1 (2) 3 2/3 divided by -8 6/7 answer 682/21 3) 41/5 x -8/5 =32/25 Please I need help i'm so confused please show work so I can understand these other 27 problems that i have to complete. Thank you Ms. Sue

128. Math

Color this square so that one-half is green,one-third is yellow and and the rest is brown.Each triangle should be just one color.Make any pattern you like. How much of the square is brown?

129. Algebra, URGENT!

Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 13x degrees, represent the measure of its supplement as an expression of x.

130. Chemistry

What will be the concentration of the solution formed when 5.72mL of 8.50M HCl is diluted to 250mL?

132. math

it is 10 degrees outside and the temperature is due to drop 16 degrees. what will be the temperature the

133. grammar

The lawyer suggested that you and he work to find an agreement outside the courtroom, for the trial would be long and unpleasant.

134. Language arts help!!

Multiple Choice 1. Which of the following is a sentence fragment? (1 point) He spent twenty dollars on those shoes. How much did you spend on those shoes? That much money on those shoes? Twenty dollars is too much to spend. 2. How is an extinguished fire

135. chemistry

25.75 mL of a hydrochloric acid solution reacts completely with a solid sample of magnesium carbonate producing 170.8 mL of CO2 which is collected over water at 24.00°C and 731.0 torr total pressure. The vapor pressure of water at 24.00°C is 22.4 torr. 2

136. english

use these five words given below and write a essay 120 to 140 words 1.family 2 television 3 entertainment 4 mother 5 day time

137. Civics

What is the purpose of House Rules Committee?

Russia was considered "backward." For Theodore Von Laue, this "backwardness

139. Medical Billing and Coding

Had to develop a paragraph using clear, varied sentences containing concrete words and transitions or connectives to create a logical flow. Need assistance in the following paragraph that describes on particular experience I had that inspired you or guided

140. Physics Classical Mechanics

Thanks to everyone who helped me out. I got through.

141. math

How many nickels and dimes does it take to make \$1.95

142. physics Classical Mechanics

A stick of length l =70.0cm rests against the wall. The coefficient of static friction between stick and wall and between the stick and the floor are equal. The stick will slip off the wall if placed at an angle greater than theta = 41 degrees. What is the

143. maths

The following statement defines a relation R in the natural numbers N. state whether or not each relation is symmetric 1. x is less than or equal to y 2. x+y =10

144. math

The equation kx^2 -2x-7=0 has two real and identical roots, find the value of k.

146. Math

Hi, I don't understand how to convert from feet to metres? For example: 6'8" into metres? how do I calculate that?

147. math

solve the following absolute value question /4x + 5/ =25

148. math

This morning Tom deposited 22.25 in his bank account. At lunchtime he withdrew 40.00 and he found out that he had a balance of 85.87. What was his balance at the start of the day?

149. Algebra

Simplify (factor if necessary) : 5 x^2 y^2 - 25 x^3 y^3 -------------------------------- x^2 y^2 Please help! Don't understand

150. classical mechanics

Buoyant Force of a Balloon (9 points possible) Helium balloons are used regularly in scientific research. A typical balloon would reach an altitude of 35.0 km with an air density of kg/m . At this altitude the helium in the balloon would expand to 540000.0

2k^2+5k-9=0

152. History

What was the Cordova Rebellion? Was it a group of Tejanos and Indians or a group of Nacogdoches? The group was led by a local politican named Vicente Cordova.

153. Trigonometry

what will be the angle for the following equation (0.9644+1.0342 i)(0.0349+2 i)

154. social studies

The officials and employees who help the president manage his executive duties are collectively known as the _____. federal branch federal bureaucracy federal umbrella executive umbrella

155. science

in a wet type of voltaic cell, what is electrolyte? a. a bridge made of salt b.a copper strip c. an acidic liquid d. a spontaneous flow of electrons

156. Math

Just makin sure if I did this right on my hw. So it says write an equation in slope intercept form that is parallel to y=3x-7 and passes through (0,4) I got y=3x+4 is that correct?

157. English- Help Ms. Sue

Does the word "decipher" mean to interpret or understand....both words are in the dictionary with the explanation and I cant decide...I am leaning towards interpret?

158. Geology

Pleistocene mammoth bone from La Brea Tar Pits of Los Angeles, California. Age: 12,200 ± 35 years

159. Science

When is scientific knowledge changed?

160. Science

When scientists group up similar things together what are they doing? -~-My answer-~- classifying

161. math

What is 67.218 rounded to the nearest tenth?

162. Civics

What is the purpose of House rules Committee?

163. geometry

mrs. sally needed to build a triangular platform in the shape of an isosceles right triangle. the legs of the triangle are 6"long how long was the base side of the triangular platform? she also made well panels for the show that were 4" wide. how many wall

164. Gen 499

Examine the influences of social connections and technology and civic engagement in academic and professional pursuits.

165. algebra

What is the inverse of [-3 5] [-6 -8]

166. Math

Apply a translation up 6 units to the following F(x)- -6x-10

167. Math

Apply a reflection and translation down 3 units to the following G(x)=3x-2

168. algebra

If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).

169. Need help immediately !!

Logx16=-2 how do you solve?

170. Health (Ms. Sue)--Please, help me!

Compare the benefits of working through difficulties in marriage.

171. Algebra

please help or examples!!!How many intergers are common to the solution sets of both inequalities? x+7>or = to 3x 3x+4

172. Math

Complete the square to find the vertex y=5x^2+1/5x-10

173. Intermediate Algebra (College)

Solve algebraically: 14/x^2 - 5/x = 1 Thank you!!! (:

174. Math

Factor: (x^3)(z^6)-27y^9 81x^4-16y^4 2x^3+16y^3

175. Math

If 4-jx-x^2 is divided by x-4 the remainder is -4. Find k.

176. Need help have to go to bed soon- math

Logx16=-2 how do you solve?

12=24-y

178. GEOMETRY PLZ HELP!

Mrs.sally needed to build a triangular platform in the shape of an isosceles right triangle . The legs of the triangle are 6"long how long was the base side of the triangular platform ? She also made wall panels for the show that were 4" wide . How many

22÷y=2

181. law

judges in custody cases may interview the subject children outside the presence of the parents only if the attorneys are present? is this true or false

182. PHYSICS!!!!!!!! HELP!!!!!!!

Can someone give me an example of a problem where you have to find electric field and magnetic field using an electron gun?

183. math

18,792- 16,948= 1,844 is the right answer. yes or no

184. Math

Apply a translation up 6 units to the following F(x)- -6x-10

185. Math

Apply a reflection and translation down 3 units to the following G(x)=3x-2

186. grammar

directions: rewrite the 2 sentences as 1 sentence by combining the main verbs and helping verbs...The carriage has crossed the bridge. The carriage has arrived at the mansion.

187. social studies

My homework from the board says "Finish color illustration for Gilgamesh" but I don't know what that means.(If someone can answer me before *8:00 am I would be very grateful.) What am I supposed to do?

188. English composition

List two specific,concrete original details for each sense that describing that particular testing event

189. math

Andrew and Shawn are making kite. They start by drawing their plan onto some squared paper. The initial points that they use are O(0,0), A(7,24) and B(25,0). Andrew says that the fourth vertex of the kite should be on the line that is through (0,0) and

190. English

does anyone know of a website where i can get info on why vampires attract the interest of human beings? thank you its for a essay

191. religion

We understand that the more we adhere to Islam the more it would bring us happiness in this life and the hereafter. However there is a hadith whereby Abu Saeed Al-Khudri visited the Prophet (Pbuh) when he was unwell. He put his hand on a piece of velvet

192. Science need help

Sue is setting up an experiment to test whether fly maggots select a dark or a brightly lit environment. She sets up a chamber in which there is a gradient in light intensity from one end (dark) to the other (brightly lit). The experimental hypothesis was

193. Trigonometry

what will be the graph looks like for equation r = 4(1-cos(theta+pi/4))?

194. Spanish 4

help with worksheets

195. Homework - Math

Multiplication of polynomials 1.12+5a = 3(6a-9) 2.7+a = 2(2a-16) 3. 6a(a+3)= 2a(3a+5)+16

196. Health/profession

If I wanted to become a cardiovascular surgeon, would I take pre-medicine for osteopathic?

197. Trigonometry functions

Choose the graph of r = 5 + 4 sin θ

198. pre calculus

x^2-3/4x+1/8=0