1. Statistics

The level of nitrogen oxides (NOX) in the exhaust of a particular car model varies with mean 0.9 grams per mile and standard deviation 0.15 grams per mile . (a) What sample size is needed so that the standard deviation of the sampling distribution is 0.01

2. geometry

Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3 how would you do this problem

3. geometry

The volume of a sphere is 2,098 m3. What is the surface area of the sphere to the nearest tenth? (1 point) do you times this by 3.14?

A kickoff sends a football with an initial velocity of 25 m/s at an angle of 50 degrees above the horizontal. a) find the x and y components of the velocity b) find the time the ball is in the air c) find the horizontal distance the ball travels before

5. Physics

1. An object's speed is 7.20 m/s, and its momentum is 360.0 kgm/s. What is the mass of the object?

6. geometry

totally brain dead please help Find the missing value to the nearest hundredth Tan _______ = 7 I forgot how to do this

7. english

Identifying and Classifying Gerunds write how each is used: subject, predicate nominative, direct object, or object of a preposition. Could you possibly correct my homework? Thanks! 1. Her laughing attracted my attention. Laughing (subject) 2. By studying,

8. geometry

State a conclusion that seems reasonable. You eat a new kind of fruit and suffer from hives for the first time in your life. A week later, you try the fruit and the hives recur. A month later, you have a similar experience.

9. geometry

The area of a regular octagon is 35 cm2. What is the area of a regular octagon with sides six times as long? so do you times this by 6?

10. Trigonometry

IfA=340°, prove that 2sinA/2 = -(v1+sinA) + (v1-sinA)

11. physics

While racing on a flat track, a car rounds a curve of 56 m radius and instantaneously experiences a centripetal acceleration of 36 m/s2. How fast was the car going? I know the answer i s45 I just need to know why ASAP!!!!!!!!!!!!!!!!!!!!

12. geometry

Find the area of a regular pentagon with a side of 6 ft. Give the answer to the nearest tenth. ok can't remember how to do this

13. mAth EQUATION/FRACTIONS

Solving equations with fractions can you check these? 16) 51m = 3 i got: m =17 18) 5j = 50 i got : j = 10 20) 1/4c = 9 i got: c= 36 22) 11e = 15 i got: e = 1.363636363 24) 19 = 1/6q i got: q = 114 26) z/4 -2 = 10 i got: z = 48 28) 5/6n -2 = 8 i got : n =

14. world history

Are there similarities between the Qin–Han transition and that of the Sui–Tang? Between Han and Tang expansion and contraction?

15. Precalculus

A nautical mile equals the length of arc subtended by a central angle of 1 minute on a great circle on the surface of Earth. If the radius of Earth is taken as 3960 miles, express 1 nautical mile in terms of ordinary, or statute, miles.

16. Trigonometry

cos²a + cos²(a+120°) + cos(a-120°) = 3/2

17. english

I am working on identifying and classifying infinitives. It asks how the infinitive is used whether as a noun, adjective or adverb. Can you please check my homework for corrections? Thank you so much! 1 Tamisha's ambition is to teach. noun (to teach) 2. To

18. Physics

A hockey stick applies a constant force over a distance of 0.127 m to an initially stationary puck, of mass 152 g. The puck moves with a speed of 51.0 m/s. With what force did the hockey stick strike the puck?

19. Math

Kamala had 5,026 grams of flour in a canister. She brought a 4,157 gram bag of flour. She poured some flour from the bag to the canister. As a result, the mass of the flour in the canister is now twice the mass of the flour left in the bag. How much flour

20. science

Calculate the molar entropy of vaporization for liquid hydrogen iodide at its boiling point, 34.55°C. HI(l)7HI(g) Hvap  19.76 kJ/mo

21. physics

A force of 0.053 N is required to move a charge of 36 µ a distance of 30 cm in a uniform electric field. What is the size of the electric potential difference between the two points?

22. physics

A metal sphere of radius r is dropped into a tank of water. As it sinks at speed v, it experiences a drag force F given by F = kr v, where k is a constant. What are the SI base units of k?

23. geometry

The vertices of a triangle are P(–8, 1), Q(–6, –8), and R(4, –3). Name the vertices of the image reflected across the x-axis.

24. Physics

A tank of water has been outdoors in cold weather, and a slab of ice 5.8 cm thick has formed on its surface (Fig. 18-46). The air above the ice is at -14°C. Calculate the rate of formation of ice (in centimeters per hour) on the ice slab. Take the thermal

25. Trigonometry

cos2Acos2B + sin²(A-B) - sin²(A+B) = cos(2A+2B)

26. Math

Express 37 1/2 percent as a fraction in simplest form.

27. ALGEBRA 2

Which equation shows r = cn + cm correctly solved for m?

28. Psychology

What is an example of romantic love, fatuous love and consummate love? ex. Infatuation would be one night stand

29. geometry

Isosceles triangle ABC has vertices at A(0, 0), B(8, 0), and C(x, 12). The value of x could be

30. physics

A garage lift has input and output circular pistons with diameters of 1 cm and 45 cm respectively. The lift is used to hold up a car with a weight of 1.7×103 N. What is the force on the input piston and what pressure is applied to the input piston

31. physics

The energy stored in a capacitor with capacitance C, having an electric potential difference ΔV, is represented by W = 1/2 C ΔV2. One application of this is in the electronic photoflash of a strobe light, like the one in the figure below. In such a unit,

32. Physics

When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 75 kg man just before contact with the ground has a speed of 6.1 m/s. (a) In

33. physics

Lasers are used to try to produce controlled fusion reactions. These lasers require brief pulses of energy that are stored in large rooms filled with capacitors. One such room has a capacitance of 64 10-3 F charged to a potential difference of 7 kV. (a)

34. physics

a motorboat is driven across a river at 5km/h at right angles to a current flowing at 3.9km/h. What is the resulting speed of the motorboat?

35. physics

Please help! it has to do with momentum A 70 k/g woman and her 35 k/g son are standing at rest on an ice rink. They push against each other for .60 s, causing them to glide apart. The speed of the woman immediately after they separate is .55 m/s question

36. cells - science

Would you expect whitefish embryo cells to continue to divide indefinitely? Explain. Thanks

37. Physics Needy Help

A tank of water has been outdoors in cold weather, and a slab of ice 5.8 cm thick has formed on its surface (Fig. 18-46). The air above the ice is at -14°C. Calculate the rate of formation of ice (in centimeters per hour) on the ice slab. Take the thermal

38. Social Studies

Who is the current presiding officer of the senate?

39. Math

A wire measures 137 centimeters in length. The shorter piece is 13 centimeters short. find the of length each piece.

40. chemistry

the thermite reaction was previously used to weld the rails of railroad tracks together. the reaction is: Fe2O3(s)+ 2Al(s)--> 2Fe(l)+ Al2O3(s) (2Fe and 3 oxygen) (2Al and 3 oxygen) what masses of iron(III) oxie and aluminum must be used to produce 15.0g of

41. Trigonometry

Prove that (tan4A + tan2A)(1-tan²3Atan²A) = 2tan3Asec²A

42. ALGEBRA 2

The formula for determining simple interest is I = prt. Which equation shows the formula solved for t?

43. math

28 students in a class, 7 went on a trip. What percent went on the trip

44. finance

19. Temple, Inc. has sales of \$329,000, cost of goods sold of \$204,000, depreciation of \$5,900, and interest expense of \$15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your

45. Physics

An airline pilot pulls her 12.0 kg rollaboard suitcase along the ground with a force of 25.0 N for 10.0 meters. The handle she pulls on makes an angle of 42.5 degrees with the horizontal. How much work does she do over the ten-meter distance? Tried doing:

46. Chemistry

What mass of sodium bromide (NaBr) is required to make 250 cm3 of a 0.35 mol.dm-3 solution?

47. physic

a ball of mass 1oog falls from a height of 5m onto a floor and rebounds to a height of 3m . what energy is lost as a result of the impact on the floor ?

48. Algebra 1

A boat towing a water skier leaves a dock and travels east at a speed of 20mph. Two minutes later, a second boat towing another skier leaves the dock in the same direction at a speed of 25mph. How long will it take the second boat to overtake the first

49. finance

19. Temple, Inc. has sales of \$329,000, cost of goods sold of \$204,000, depreciation of \$5,900, and interest expense of \$15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your

50. English

ermmm.... i feel kind of stupid. But what's the answer to this. This is for Grammar. I pulled two __________ at the same time. a) cats' tails b) cat's tails' c) cat's tails d) cats tail's

51. Math

If a teacher allows 5/6 of an hour to be spent on homework and she allow 1/3 of that time to be spent on math, how much time will be spent on math?

52. chemistry

For the reaction HCO3- H+ + CO32-, ΔG° = +59.0 kJ/mol at 298.15 K. Find the value of K for the reaction

53. fiance

2. Analyze the following scenario: Duncombe Village Golf Course is considering the purchase of new equipment that will cost \$1,200,000 if purchased today and will generate the following cash disbursements and receipts. Should Duncombe pursue the investment

54. Math

Sara buys a washer and a dryer for \$2112.She pays \$500 and borrows the remaining amount. A year and a half later she pays off the loan, which compounded semi-annually, was Sara being charged.

55. Physics

A dockworker applies a constant horizontal force of 82.0 to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 12.5 in a time 4.60 .

56. statistic

One operation of a mill is to cut pieces of steel into parts that will later be used as the frame for front seats in an automobile. The steel is cut with a diamond saw and requires the resulting parts to be within ±0.005 inch of the length specified by

58. geometry

quadrialteral abcd is aparallelogram.If the measure of angle A is 62 degrees, measure of ADB is 75 degrees, what is the measure of angle ADC in degrees

59. Fair Game

Okay, I am in 6 grade and I am doing definitions; math definitions. Theres something called a "fair game" but I am not for sure if it has to do wih math, or a regular game... plz help. This assignment is due this week..... (-_-) Thxx !! ~

60. Calculus

For what values of x is the graph of the function f(x)= x^2e^x concave down. Give your answer using exact values

61. English

I forgot to include this part. Thank you. 1) The principal of my school has asked me to find an Irish school which would be interested in a Comenius partnership with our school, a French high school and a German high school. 2) The project will be mainly

62. Math

Amandeep decides to grow a vegetable garden. She wants to make it 10.1m long and 4.2m wide. She is worried about rabbits eating from her garden so she builds a fence around it. The fence will be 11.2m long and 5m wide. What is the area between the fence

63. physics

When an airplane is in level flight, its weight is balanced by a verticallift, which is a force exerted by the air. How large is the lift on an airplane in such flight if the mass ofthe airplane is 1.20 x 10 cubed kg.?

64. Math

Someone verify these answers. Thank you! 1. A biologist finds the average production in which cancerous cells are produced in rats is given by p(t)= (t^2-2t+1)/t where t is measured in hours and p(t) is measured in 1000 cells per hour. Estimate the rate at

65. math

A swimming pool is 25 meters x 15 meters. A concrete walk 2 meters is built around it. What is the area of a concrete walk?

66. geometry

Triangles Rst and wxy are similar . the side lengths of rst are 10 inches. 14 inches and 20 inches and the length of an altitude is 6.5 inches. The shortest side of wxy. Find the lengths of the other two sides of wxy. Find the length of the corresponding

67. Science

Nonliving things affect the organisms living in an ecosystem include weather,landforms,and?- A. habitat B. niche C. soil D. population I think its B

68. speech

I wrote an itroductory speech that I am going to be giving in speech class but I can't think of a good conclusion. The 3 major points of the speech is that I am a hard-working student. Adventurous family member, and laidback friend. I talk some at the

69. history

General Grant's army came closest to defeat in the West as a result of a surprise Confederate attack at the Battle of A)vicksburg B)Fort henry C)Shiloh D)manassa

70. physics

Two tiny objects with equal charges of 59.0 µC are placed at two corners of a square with sides of 0.355 m, as shown. How far above and to the left of the corner of the square labeled A would you place a third small object with the same charge so that the

71. physic

a ball of mass 1oog falls from a height of 5m onto a floor and rebounds to a height of 3m . what energy is lost as a result of the impact on the floor ?

72. physic

a ball of mass 1oog falls from a height of 5m onto a floor and rebounds to a height of 3m . what energy is lost as a result of the impact on the floor ?

73. physic

a ball of mass 1oog falls from a height of 5m onto a floor and rebounds to a height of 3m . what energy is lost as a result of the impact on the floor ?

74. The SAT,

I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:

75. chemistry

In which scenario is a chemical change occurring? A. A cup of ice cream is melting. B. A block of dry ice is sublimating. C. A section of iron fence is corroding. D. A flask of chlorine gas is condensing.

76. physics

Please help! it has to do with momentum A 70 k/g woman and her 35 k/g son are standing at rest on an ice rink. They push against each other for .60 s, causing them to glide apart. The speed of the woman immediately after they separate is .55 m/s

77. finance

28. Ag Silver Mining, Inc. has \$500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were \$10,000. The firm expects to distribute \$100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40

78. physics

three forces act on a ring. The net force on the ring is zero. One force is at an angle of 30 degrees with a magnitude of n1 Newtons. A second force F acts at an angle theta . The tangent of the angle is tan theta = n2 / ã 3 . If the third force is n3

79. Finance

28. Ag Silver Mining, Inc. has \$500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were \$10,000. The firm expects to distribute \$100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40

80. ALGEBRA 2

Sheila needs to determine the equation of a line passing through the point (–6, –2) that is perpendicular to y = 2x– 4. Which equation best represents Sheila's equation?

81. American Literature

I am writing a critique for my American Literature class on The Great Gatsby and I am so stuck. I don't know exactly how to prove my thesis. I need four different points. My thesis: Gatsby achieves the American dream by becoming quite successful; however,

82. Algebra 1

A person invested \$20,000 in stocks and bonds. Her investment in bonds is \$4,000 more than one third her investment in stocks. How much did she invest in stocks? How much did she invest in bonds?

83. U.S History

What were the results of the British invasions in Washington, D.C, and Baltimore?

84. WHY

i was just wondering why i was answering somebody's question and it got deleted why did it do that?

85. calculus

Find the dimensions of a rectangle with maximum area that can be inscribed in a circle of a radius of 10. Okay, so I know that I am going to need the Pythagorean theorem, where x^2+y^2=20^2 (20 is from the doubling of the radius which actually makes the

86. Maths

The earth is approximately a sphere of average diameter 12740km. The smallest of the planets is Mercury, also spherical, with average diameter 4840km. Determine what percentages (to the nearest hundredth) the volume and surface area of Mercury are of those

87. Finance

Ag Silver Mining, Inc. has \$500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were \$10,000. The firm expects to distribute \$100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40

88. finace

The 6 percent preferred stock of Mercer Livestock is selling for \$62 a share. What is the firm's cost of preferred stock if the tax rate is 34 percent and the par value per share is \$100? (Please calculate the arithmetic solution and show your work)

89. finance

28. Ag Silver Mining, Inc. has \$500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were \$10,000. The firm expects to distribute \$100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40

90. socials

i have to write report on one disease caused by contamination of water. ms. sue can you please give me easy understanding site that tell me causes of disease, effects and how safer water may contain it.

91. physics

A capacitor that is connected to a 70.0 V source contains 105.0 µC of charge. What is the capacitor's capacitance?

92. Precalculus

How do you setup the equation for this? Thanky ou! Find the ratio of the surface area of a cylinder to the volume of the cylinder if the height remains at 10 cm. Simplify this ratio and let f(x) = the simplified ratio. Let r be the radius of the cylinder.

93. Calculus

Show that a right-circular cylinder of greatest volume that can be inscribed in a right-circular cone that has a volume that is 4/9 the volume of the cone. Please, help out, this is for a study guide for a quiz. :) Thank you.

94. physic

a ball of mass 1oog falls from a height of 5m onto a floor and rebounds to a height of 3m . what energy is lost as a result of the impact on the floor ?

95. physic

a ball of mass 1oog falls from a height of 5m onto a floor and rebounds to a height of 3m . what energy is lost as a result of the impact on the floor ?

96. SAT

I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:

97. physics

A 11.0 kg box is resting on a horizontal table. The box is pulled directly upward by a 33.0 N force. Calculate the magnitude of the normal force being exerted on the box by the table.

98. ALGEBRA 2

The equation y = mx + b is known as the slope-intercept form of a line. Which equation shows y = mx + b correctly solved for x?

how do you find the coordinates of the midpoint of a segment? (it gives you the endpoints) PLEASE HELP!!!! THANK YOU!!!!!

100. geometry

What is the equation of the circle with center (2, –5) that passes through the point (–2, 10)? can someone explain this to me please

101. physics

three forces act on a ring. The net force on the ring is zero. One force is at an angle of 30 degrees with a magnitude of 40 Newtons. A second force F acts at an angle theta . The tangent of the angle is tan theta = 3 / ã 3 . If the third force is n3

102. Science

In my book it says Individuals of the same kind living in the same evnironment make up a population. All the grasshoppers in a field are the grasshopper population. All the populations of organisms living together in an environment make up a community What

103. English Lit

I'm not great at identifying some of these figures of speech for English Please check my answers or offer suggestions 1."As flies to the wanton boys are we to the gods: they kill us for sport" Shakespeare for King Lear Is this a simile, metaphor,

104. History

I need a Martin Luther King Timeline

105. English

I urgently need to send a letter to a University teacher, expert in the study I don't even know how to start this letter. Can you help me write an introductory sentence to the teacher? 1) Our school is currently working on the planning of a Comenius

106. math 11

simplify (make the radicand as small as possible) 125^-2/3 =125^3/2 =square root(125^3) I'm stuck in this part what do I do next? please help

107. algebra

how is doing operations, adding, subtracting, multiplying and dividing with rational expressions similiar to or different from doing operations with fractions? When would this be used in real life?

108. math

From the Periodic Table, 1 mole of aluminum weighs 27.0 g., Therefore; If 54.0 g of aluminum are placed into the beaker to react with copper(II) chloride, how many grams of the metal product will be produced?

109. geometry

This one is confusing me. please help The diameter of a circle has endpoints P(–10, –2) and Q(4, 6).Find the center of the circle.Find the radius. If your answer is not an integer, express it in radical form. Write an equation for the circle. Thanks

110. PHYSICS

IS IT BETTER TO PUSH A GROCERY CART FROM THE BACK,OR TO PULL IT FROM THE FRONT.

111. Accident Investigation: Law+Physics

What exactly do these following driving violations mean? I'm not a driver, so I'm not entirely sure of their meanings... -Following too closely [does that count if a car crashes into another?] -Reckless driving [does that count if a car crashes into

112. Trig

IfA=340°, prove that 2cosA/2 = -(v1+sinA) - (v1-sinA)

113. Linear Algebra

whats the exponential decay equation for 100 atoms that decay 1/20 per day

114. Accident Investigation: Law+Physics

What exactly do these following driving violations mean? I'm not a driver, so I'm not entirely sure of their meanings... -Following too closely [does that count if a car crashes into another?] -Reckless driving [does that count if a car crashes into

115. Spanish

I need help on writing 5 sentences in Spanish

116. Math

I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. Can you check is my

117. physics

An automobile travels at the rate of 25 m/s for 5 minutes, then at 30 m/s for 10 minutes, and finally at 10 m/s for 2 minutes. Find a. the total distance covered in meters and the average speed in m/s

118. physics

three forces act on a ring. The net force on the ring is zero. One force is at an angle of 30 degrees with a magnitude of n1 Newtons. A second force F acts at an angle theta . The tangent of the angle is tan theta = 3 / 1.73 . If the third force is n3

119. victor.M

What is the resulting temperature when a 150g cube of ice at zero degrees is added to 200g of water in a aluminium cup at 30 degrees

120. English

I need to revise these sentences. Can you please help me? 1) What music instrument do you play? Which music instrument do you play? 2) When does their show start? What time does the show start? 3) Do you have a lot of fun? You always talk around. (What

121. English

Hi there in the poem below i have to write an essay of how the new world is being portrayed with examples but im a bit stuck if someone can please help me: Not like the brazen giant of Greek fame, With conquering limbs astride from land to land; Here at

122. math

Two of alexandra apples weigh the same as a banana.A banana and a cherry weigh the same as nine cherries. How many cherries weigh the same as one of Alexandras apples

123. pre calc

If tan theta=-3/4 and 90°

124. calculus

reverse the order of integration integration 1-e integration 0-lnx dy dx

126. physics

Two airplanes taxi as they approach the terminal. Plane 1 taxies with a speed of 12 m/s due north. Plane 2 taxies with a speed of 8.5 m/s in a direction 20 degrees north of west.

128. black history

I have been searching for days my son is in the pre k and has to do a report on Jackie Johnson. I cant find anything other than some news reporter can someone help me WHO IS JACKIE JOHNSON?

129. Algebra 2

Dawn is writing a computer program to find the salaries of her employees after their annual raise. The percentage of increase is represented by p in the program. Marty's salary is \$23,450 now. Write a polynomial to represent Marty's salary in one year and

130. Journalism

Could you please revise and tell me any suggestions or things I need to change? Thank you! This, I Believe His facial expression dropped and you could almost tell exactly what had just happened by the way his body language changed. Someone had just yelled

131. PHYSICS

IS IT BETTER TO PUSH A GROCERY CART FROM THE BACK,OR TO PULL IT FROM THE FRONT.

132. geometry

A triangle with a exterior angle the numbers are 70 and 88

133. math

jackie wants to buy a new cd player.it costs \$32.95.she has saved \$26 and has a coupon for 30 5 off the price.does jackie have enough money to buy the cd player

134. Math

Could someone verify the answers. I don't know question C and D Thank you! 1. In physics, the formula for centripetal force is F = mv^2/ r where m is the mass, v the velocity, and r the radius. a) Find the length of a string when a mass of 2.4kg is being

135. physics

three forces act on a ring. The net force on the ring is zero. One force is at an angle of 30 degrees with a magnitude of n1 Newtons. A second force F acts at an angle theta . The tangent of the angle is tan theta = n2 / ã 3 . If the third force is n3

136. algebra

Could you please help me?? point-slope form linear equation y-3 = 3(x+1) what is the equation in standard form of a perpendicular line that passes through (5,1). i think you take 1/3 as slope, reciprocal, I am confused about how to proceed. I know you put

137. Science 7R

Is getting a 79 that is REALLY CLOSE to a 80 is good???????

138. physics

In the figure below, qA = 6.0 µC, qB = 2.6 µC, qC = 1.3 µC, dAB = 4.00 cm, and dAC = 3.00 cm. Determine the magnitude and direction of the net force on qA

139. English

Writing sentences and paragraphs. Is the below correct? Paragraph 1 I am anxious study this field medical billing and coding that is the reason I am applying for this position. It will be a wonderful experience working in a clinic or hospital. The position

140. geometry

Simplify the following ratio 12XY: 8x

141. Precalculus

Can someone help me with this question (It's a graph) imgur dot com/r16ba One of the answers would be: x= 2 not x=-2 (If you think its an unsafe website, type in google "Imgur," it'll show you that its a site to post images)

142. physics

the three weights are hanging in static equilibrium. The two weights left and right of center have a mass of 100 Kg. The weight in the center has a mass of 100 Kg. Treat the strings as massless and the pulleys as frictionless. If the sin of the angle theta

143. Geomotry

how do i find the coordinates of the midpoint of a segment having given the endpoint? K(-9,3),H(5,7)

144. math

how do i find the coordinates of the midpoint of a segment having given the endpoint? K(-9,3),H(5,7)

Can any one tell me any five legal issues in the movie "Catch me if you can"

how do i find the coordinates of the midpoint of a segment having given the endpoint? K(-9,3),H(5,7)

147. ALGEBRA 2

Which equation represents a line that is parallel to the y-axis?

148. math

if a hexagon has two right angles, what is the sum of the measures of the remaining angles?

149. chemistry

How many grams of Ca will react with 15.0g of Cl to form calcium chloride? How many grams of calcium chloride will be formed? Explain step by step.

150. Science

Hi, I'm doing a paper in powerpoint on the Jurassic Period. For every slide, I have to include a picture. I just can't find one that I like... getting a little frustrated because I saw the PERFECT pic on Wikipedia, but I have to list the sites on where I

151. pre calc

If csc A=2 find the value of sin A

152. algebra

the man wants to make a teepee in the backyard for his children to experience the way that native Americans lived in the wildermess he also wants to make a second teepee for him and his wife he plans to use lengths of PVC plumbing for the support of both

153. socials

how burden of debt in developing countries not prevent government frm loooking aft basic need of individual? since the projects that they had encourage government in developing countries weren't successful. the western banks wanted to lend money for these

154. pre calc

Simplify csc x - cos x cot x

155. english

There should be commas around “however” in the following sentence: “Dwayne had planned to take the last flight out to Chicago. It was cancelled, however, because of bad weather.”

156. algebra

the second finished teepee is 12 feet tall and use PVC pipes that are 13 feet long. what is the distance across the bottom of the teepee? show your work and state your answer as a complete sentence.

157. socials

how the hipc program be able to help poor developing countries goal be to reduce the debt load of higly indebted countries so their scarce resources be able to go towards poverty reduction programs rather than to debt servicing.

158. finance

19. Temple, Inc. has sales of \$329,000, cost of goods sold of \$204,000, depreciation of \$5,900, and interest expense of \$15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your

159. World Literature

I have to write an essay proving fate to be true using death as my example, but I can't think of any ideas to write about!!

160. Math 11

I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. How should I set up for

161. Precalculus

Estimate the instanteous rate of change f(x) = x/(x+5) at (-3, -3/2) Could someone explain this question to me, this isn't exactly the same as polynomial functions >.

162. phsyics

The electric field intensity between two charged plates is 1.2 103 N/C. The plates are 0.030 m apart. What is the electric potential difference, in volts, between the plates?

163. Algebra 1

(2p/9)exponent of 3

solve for x in a given interval using guess improvement stategy. express to the nearest tenths. cos x=1/x, -4

165. Math Q.2

A gymnast is 4 5/12 tall.Which decimal is equivalent to 4 5/12? A. 4.416 B. 4.416 ( 6 is repeating) C. 4.512 D. 4.512 ( 2 is repeating)

166. Math

john's columm covered the first 12 miles in 4 hours. he then increased the speed by 2 miles per hour. if the total distance of the trip was 52 miles, how long did it take to finish the trip

167. geometry

1. A triangle has side lengths of 8, 10, and 12. what kind of triangle is it? 2. A triangle has side lengths of 3, 4, and 7. what kind of triangke is it?

168. physics

In a historical movie, two knights on horseback start from rest 60 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.20 m/s2, while Sir Alfred's has a magnitude of 0.28 m/s2. Relative to Sir George's

169. Writing Sentences and Paragraphs

Ok I worked real hard on this :) I hope I nailed it this time. My other question is : Is it one space after commas? Two spaces after a period ? and one space after an exclamation mark. Ok fingers crossed ! Anna, I am so happy you’ve moved back to

170. math

a boy buy a bike for 45\$ then sells it for 65\$ then buys it back for 90\$ then sells it agian for 125\$ what percent of money did he make

171. english

The sea was like a fierce, black dragon. Is this an example of personification or simile?

172. Chemistry

Which molecule below has the greatest average velocity at 100 degrees celsius? He, Cl2, Xe, O2, NO2 I am not sure how to find this out. Thank you for your help!

173. psychology

For each of the following questions, choose either authority, rational method or empirical method as the best way to answer the question, and explain how you would do it. Then consider whether any alternative methods might be used. is your course

174. physics

If 180 J of work is performed to move four coulombs of charge from the positive plate to the negative plate shown below, what potential difference exists between the plates?

175. physics

compute the least acceleration with which a man of mass 75 kg can slide down a rope which can sustain a weight of 580 N

3x^3/(3x)^3

177. MATH

If y= ab, then b= a+b A line goes under ab. Please help, I have not taken math in many years.

178. physics

How much ice at zero degrees celsius is needed to cool 250g of water at 25 degrees celsius to zero degrees celsius.

179. physics

If 50,000joules of heat is added to 10kg of lead at its melting point of 330 degrees celsius.If 2kg of lead melts,calculate the latent heat of fusion of lead

180. English

Can someone help me with this poem, the question is how is the new world being portrayed and i do not know: Not like the brazen giant of Greek fame, With conquering limbs astride from land to land; Here at our sea-washed, sunset gates shall stand A mighty

181. trigonometry

Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.

182. math

Explain It What is the purpose of using fraction strips and a 1 strip?

183. ALGEBRA 2

Which equation represents a line that is parallel to the x-axis?

184. MATH

how do i find the coordinates of the midpoint of a segment having given the endpoint? K(-9,3),H(5,7)

185. chemistry

how do you write 5 x 10^-11 in webassign?

186. MATH

how do i find the coordinates of the midpoint of a segment having given the endpoint? K(-9,3),H(5,7)

187. Accoounting

Catalina works for a regional sales branch of a large pharmaceutical company. Individual employees as well as the entire branch receive incentive packages if they reach certain sales goals. If a sales rep meets his or her individual goals, he or she

188. chemistry

how do you write 5 x 10^-11 in webassign?

189. math

Change the unit 3pt = blank fl oz 1 1/2T = blank lb

190. geography

what advatgesdo germany and france have in commmon that would help their countrie to proper?

191. math

Change the units 4 gal 1 pt = blank pt

192. math

suppose that 42% of us sleep between 7 and 8 hours a day. find the decimal notation for 42%.

u/15 -2< 2

194. math

the slope of the longest side of a rectangle is 4/3. What is the slope of the shorter sides?

195. Law

why is corporal punishment unacceptable in Canadian schools?

196. geometry

seven and one half percent is equivalent to the decimal number 0.075. if the sales-tax rate is seven and a half percent, what is the sales tax on a \$10.00 purchase?

197. trig

I need help finding derivatives and antiderivatives. Given: f(x),find f'(x) 1. f(x)-2x^6 2. f(x)= -3x +7 3. f(x)= 3x^2 - 5x 4.f(x)= 1/2x^2 - x + 4

198. Math

can you simplify -11 over 2?

What are 3/7,1/9,and 2/3 all realated to?

200. math

If you put one dollar a day in the bank and earn 20 percent interest per month, how much would you have in 100 years

201. socials

list reasons for & agianst entirely forgiving debt of developing countries with highest load of debt. i not get this at all.

202. socials

what be the relationship between female literacy and reduced birth rates? that be the more education they get the less kids they have because their concentration go towards work so they work to be independent.

203. socials

how effective will convention on rights of child be in dealing with some of abuses in developing world? i not understand this.

204. English 7 - Journal Entry Assignment Check

Is my journal entry for english is good? It's due tommrrow by the way. My name is (can't tell you). I¡¦m currently in the 7th grade and go to one of the best middle schools (name of my school). My favorite animals are: cats, puppies, kitties, rabbits,

205. English

Need help in describing the new worlld, what is it being portrayed as in this poem please thank you Not like the brazen giant of Greek fame, With conquering limbs astride from land to land; Here at our sea-washed, sunset gates shall stand A mighty woman

206. socials

3 difficulty in being able to give basic care of health in develooping country be transportation, literacy, poverty. that all be i get.

207. physics

Consider a marble moving on a horizontal track with a speed of 10 meters per second( ignore friction and air resistance). the marble leaves the track and falls through the air to the ground a vertical distance of 1.5 meters. how long does it take to for

208. physics

Consider a marble moving on a horizontal track with a speed of 10 meters per second( ignore friction and air resistance). the marble leaves the track and falls through the air to the ground a vertical distance of 1.5 meters. how long does it take to for

209. socials

y shuld individuals in developed world b concerned abt individuals health in developing world. humanity?

210. Spanish

Creat a regular graph with estudiar and an extended graph with bailar

211. math

f:(x)= x^2+5 find f(0)

212. algebra

If dx=-18 and D=3 are the values of certain simultaneous equation in x and y. What is the value of y

213. Math

(-3x^-2)^-3 How would I solve this problem?

214. Algebra 2 Problem

The sides of a rectangle have lengths x+9 and widths x-3. Write an equation that describes the perimeter, P, of the rectangle in terms of x. I do not understand this problem, could someone please help me?

215. math

luis has a deck of ten cards with theres numbers 1,3,5,7,9,11,13,15,17,19.luis will draw a card at random from the deck.name an event for which there is a problity of 1/2 that it will happen.name an event for which this is a problity of the that will

216. math

The width of the rectangle is half its length and the perimeter is 42m.caculate the area of the rectangle.find the width and length of perimeter and area.

217. Theater Arts

I'm writing a play for theater, but I can't think of a good title. It's about a girl who runs away from a terrible life, but then she meets a guy who changes it all. Help? (:

218. Violence2

Could someone give me the causes of violence and an example of how that happened?

219. socials

ms. sue i actual still need help on first question because i read again and i not think i need to mention some info in this answer and sorry i reword it wrong it have to be this. i add not in there there have to be no not. how has burden of debt in develop

220. geometry

The length of the hypotenuse of a 30°-60°-90° triangle is 7. Find the perimeter. so you would times each of these by 7 to find the final answer

221. algebra

if one bus stops at the library every 60 minutes, and the other bus stops at the library every 45 minutes, how long will it take for both buses to be at the library at the same time?

222. scientist

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

223. Math

what three four-digit numbers equal to 17,491?

224. Spanish

Need to translate 5 Spanish sentences. 1.my mom is cute. 2.I like chocolate. 3.Yesterday I went to the park. 4.My mom and I went to the store. 5.I like to play board games .

225. English

Writing sentences and paragraphs. Is this correct? Paragraph 2 Dear Elizabeth, I am anxious when I found out that you move back to town, and looking for job. My SBU manager, is currently hiring for a production manager. She is SBU manager for ACS. I think

226. math

multiply X plus Y Squared

227. Math

Estimate the value of the square root of 2 plus pie to the nearest hundredth.

228. Math

If my input is 16 and output is 2 what is my rule ?

229. math

How to prove that the centre of a circle is the same as the intersection point of the diagonals of its cyclic quadrilateral ?

230. HELP

i need a printable protractor

231. human body

Why do some areas of our body have stratified squamous epithelium and other areas have simple squamous epithelium?

232. Geomotry

what is the Distance Fomula & midpoint formula?

233. spanish

PLEASE! unscramble these: 1- larpoaas neib 2- reimecnasoo 3- lirniame 4- serat golsoulor de 5- sdrea taunec de

234. math

what is 19 over 96 simplified