1. math

The effective rate of interest corresponding to a nominal rate 3%p.a payable half yearly is..?

2. physics

A football is kicked with a velocity of 31 m/s at an angle of 41. What is the ball's acceleration in the vertical direction as it flies through the air?

3. maths

Rhombus ABCD is similar to rhombus BFDE.The area of rhombus ABCD is 24 and angle BAD=60 degrees .What is the area of rhombus BFDE?

4. chemistry

Complete the mass balance expression for a saturated solution of Ag2CO3. Note at least one blank is a numeric coefficient. (Note: Ignore any subsequent reactions of Ag .)

5. Physics

A system consisting of two fixed and two movable pulleys has a mechanical advantage of 4.00. If a force of 124 N is exerted, which weight can be raised?

6. Chemistry

What happens if sodium acetate (CH3COONa) is added to the following reaction? CH3COOH  H+ + CH3COO- a) [H+] increases b) [H+] decreases c) a precipitate is formed d) [H+] does not change

7. Physics

A race car starts from rest in the pit area and accelerates at a uniform rate to a speed of 35 m/s in 11s, moving on a circular track of radius 500 m. Determine the tangential and centripetal components of the net force excreted on the car(by the ground)

8. science

a particle takes 6.28seconds to complete one revolution.its angular speed is

9. Geometry

a teepee with a dirt floor in the shape of a right cone has a slant height of 26 feet and a radius of 12.5 approximately how much canvas would be needed to cover the tepee?

10. Chemistry

How many oxygen atoms are in a) 3.21 x 10^22 molecules CH3OH b) .250 mol C6H12O6 Is it a) 3.21 x 10^22 atoms b) 9.03 x 10^23 atoms

11. geometry

A rhombus has a side that is 14cm long. One of its diagonals is 24cm long. What is the area?

12. math

tan(180-x)sin(360-x)cos90-x)cos(-x)/sin(x-180)cos(450+x)tan(180-x)

13. science

A science teacher tells her class that their final project requires the students to measure a specific variable and determine the velocity of a car with no more than 2.5% error. Jennifer and Johnny work hard and decide the velocity of the car is 34.87 m/s.

14. Chem

if 15.0g Si and 30.0g Chlorine gas are reacted together, what vol. of SiCl4 will be produced assuming a 75% yield? Density of SiCl4 =1.483g/ml.

15. mathematics

a small circular pool is enclosed in a square. find the area inside the square but outside the circle

16. math

Can someone please help? Solve the differential equation dy/dx = 6xy with the condition y(0) = 40 Find the solution to the equation y= ______

17. English

Can somebody please help me write a summary news lead using the story below. The lead may be no longer than 20 words and must be written in the active voice. Gary hubard, superintendent of schools, announced a new program for your local school district. It

18. Chemistry

A mixture of lead, magnesium, nitrate and chromate ions are present in a solution. What will the precipitate be? a) MgPb b) Pb(NO3)2 c) PbCrO4 d) MgCO3 I think its d)- am i right?

19. math

If y = 18x+5 is the regression line of x on y then the value of bxy is what ?

20. Compensation and Benefits

Which one of the following characteristics is not critical in defining a team

21. Chemistry

In the following unbalanced reaction, which atom is oxidized? HNO3 + HBr -> NO + Br2 + H2O Is the answer bromine?

22. Math

1. Natureland Garden Center buys lawn mowers that list for \$679.95 less a 30% trade discount. What is the dollar amount of the trade discount? 2. What is the net price of each Natureland Garden Center lawn mower?

23. math

In surveys about sensitive topics, respondents are sometimes given ways to “hide” their answers from the surveyor. In a survey of taxpayers, one of the questions is, “Did you cheat on your taxes?” To answer, the respondent is asked to toss a coin.

24. statistics

For certain x and y series which are correlated, the two lines of regression are 5x-6y+9=0 , 15x-8y+130=0. The correlation coefficient is :

25. math master need your help

what is next number in the sequence 12,6,4,3,2,12/5,... and 1,4,15,40,85,156,259,400,585,... also show the sequence scheme,kindly and ur last answer was wrong as 43 it was 49 for 43^2082

26. math

At an airport, a flight controller was in a tower 40m above the ground. When she first observed a plane it was at an angle of elevation of 12 (degrees) from her line of sight and flying at a constant altitude (height) The plane had a constant speed of

27. Chemistry

NOCL(g) decomposes to from nitrogen monoxide gas and chlorine gas. The equation is 2NOCL ----> 2NO +Cl2 At a certain temperature the equilibrium constant is 1.60 x 10^-6. Calculate the equilibrium concentrations of all gases if 0.800 moles of NOCL are

28. science

would you expect more fertile land near the river in the mountains or on flat land

29. economics

Bob and his dad visited the hardware store on Saturday. They observed the following transactions: Mr. Harris bought 4 for 0.50, Mrs. Clarke bought 21 for \$1.00, Mr. Montaro bought 1,134 for \$2.00 and Ms. Park bought 450 for \$1.50 What were they buying?

30. economics

what is the south african government providing to whom?

31. geometry

This shape is a trapezoid with a semi-circle attached to the side. LINE AB = 8m LINE AD = 8m This is the part of the semi-circle. LINE BC = 10m This is the diagonal side of the trapezoid. What is the area of the shape? What is the perimeter?

32. PHYSICS

The object of the long jump is to launch oneself as a projectile and attain the maximum horizontal range (Fig. 3–26). Here we shall treat the long jumper as a particle even though the human body is fairly large compared to the size of the trajectory.

33. algebra II Part 2

The equation h=7 cos{pi/3 t} models the height h in centimeters after t seconds of a weight attached to the end of a spring that has been stretched an then released. (C).Find the times at which the weight is at a height of 1 cm,of 3 cm,and of 5 cm below

34. chemistry

What is the hydrogen ion concentration, in mol dm−3, when 2.00 g of sulfuric acid is dissolved in water to give 0.400 dm3 of solution? could you explain in a simple and clear way please because im not very good at chemistry. thanks in advance

35. Chemistry

What are the Oxidation and Reducation reactions for these equations : BaCl2 + NaHCO3 -> BaCO3 + NaCl + HCl (carbon is the reduction reaction, but I don't know what the oxidation reaction is) CaCO3 + HCl -> CaCl2 + CO2 + H2O

36. Chemistry

A bracelet containing .200 mol of metal atoms is 75% gold. How many particles of gold atoms are in the bracelet?

37. Chemistry

Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium chloride per 100 g of water at 25 degrees Celsius, is the solution unsaturated, saturated, or supersaturated?

38. Algebra

I'm stuck!! Can someone please help me with this problem?? A triangle has vertices (1, 4), (1, 1), and (-3, 1). The triangle is dilated by a scale factor of 2, then translated 5 units up, and then rotated 90 degrees counterclockwise about the origin. What

39. chemistry

Describe the preparation of 2litre of 0.05molar silver from the primary standard grade solid.

40. plane geometry

if an obtuse triangle has an area of 28 sq.in. how do you find the base and height?

41. chemistry

What is the primary standard for the preparation of silver.

42. math

the sales tax is 6% and the item is \$110.00. How much do I add for sales tax?

43. chemistry

What is the primary standard for the preparation of silver.

44. chemistry

What is the primary standard for the preparation of silver.

45. chemistry

What is the primary standard for the preparation of silver.

46. math

in a grocery store, butter is sold in “sticks” that are shaped like little bricks. The weights of these sticks are like draws at random with replacement from a population with average 4 ounces and SD 0.2 ounces. The grocery store receives the butter in

47. math

In a population of 10,000 adults, 20% are smokers. A simple random sample of 600 of the adults is drawn. a)The SE of the number of smokers in the sample is closest to 9.45 9.5 9.55 9.6 9.65 9.7 9.75 9.8 9.85 9.9 b)The chance that there are fewer than 115

48. Math

If the inputs are: 1, 2, 3, 4, 5 and my outputs are: 1, 5, 11, 19, 29, what is the rule?

49. math

If sin57=m Express the following 1. sin 237 2. Cos 33 3. Cos 3 4. Cos 66

50. trigonometry

If sin 57=m then express the following questions 1. Sin 237 2. cos 33 3. cos 3 4. cos 66

51. Math log equations/exponential form

How do i express this to exponential form? a) log√2(w^2 x^3/y^5 z^7) b) log(x^2 y^3 √z-1)

52. L.O

5 WAYS IN WHICH HUMAN OR INVIROMENTAL PROBLEMS IMPACTS ON THE COMMUNITY

53. Quadratic equations from standard to factored

Standard to factored form? a)y=x^2+7x+10 b)y=2x^2-x-3 c)y=x^2-9

54. Math

Sarah was given a sum of money. She spent the same amount of money each day. She spent 2/7 of her money in 6 days. After another 5 days, she had \$20 left. How much money did she have at first.

55. math

Let Y be the number of successes in n independent repetitions of a random experiment have probability of success = 1/4. Determine the smallest value of n so that P(1 = Y) = 0.70

56. math

Let Y be the number of successes in n independent repetitions of a random experiment have probability of success = 1/4. Determine the smallest value of n so that P(1 = Y) = 0.70

57. Math

prove identity Sin2x - sinx/cosx + cos2x= sinx/cosx + 1

58. math

General solution Cos^2 +3sin= -3

59. statistics

The body temp of normal healthy persons are normally distributed with a mean of 98.2 degrees F and a standard deviation od .62 degree F. If we define a fever to be a body temp above 100 degrees F, what percentage of normal and healthy person would be

60. algebra

how to find out the individual price of a 5 tacos and 8 burritos if the total is \$13. 76 and the price 6 tacos and 7 burritos if the total is \$14. 26?

61. life orientation

which human problem impacts on the community?

62. life orintation

factors that can make a person to be infected by hiv aids

63. geometry

Sam went to the park and saw a work crew putting in a square garden. She found a tape measure that was stretched between opposite corners with a measurement of 171.1 feet and decided to find the area. What is the area of the square in yards?

64. geometry

what is the area of a regular hexagon with a side length of 6cm?

65. health

What are the four structures of the lungs

66. Algebra

A fireman leans a 40-ft long ladder up against a building. The base of the ladder creates an angle of elevation of 32 degrees with the ground. How far is the base of the ladder from the base of the building? Round to the nearest whole foot, if necessary.

67. Civics

List the basic problem of scarcity and how it drives economic decison-making. Describe the role of factors of production. What is supply and demand? Apply the principles of supply and demand that predicts market prices and incentives for buyers and

68. math

If 1/cos - cos=a^3 and 1/sin - sin=b^3 Show that tan=a/b

69. Math

Can anyone help me with this? The marginal cost for items in dollars is given by C''(x) = 2x + 30. If the cost of producing 2 items is \$220, determine the cost function. What is the cost function? C(x)= _________________

70. Math

Given f(x)= (x-4)^2-1 What is the vertex of the graph of this function

71. math

PQ is a vertical tower 95m high, the points R and S are on the same horizontal plane as Q, the angle of elevation of P from R is 35 if QS =155m and Q from RQS=48 1.Calculate the distance of QR 2.Calculate the distance of RS 3.Calculate the are of QRS

72. soc 120

Different ethical theories (Points : 1) can never offer useful information. must always contradict each other. can agree that certain acts are morally justified. always agree that certain acts are morally justified.

Hi! I have to sketch 3D shape of the house using triangular prism, rectangular prisms, cube, and cylinder.I have to include measurement calculations with formulas. I already did it all, but someone told me that the SA (surface area) of my house calculated

74. ECONOMICS

WHAT ARE WELFARE PAYEMENTS OR CONSUMERS SUBSIDIES

75. life orientation

how does HIV/AIDS affect teenagers?

77. CIT

find the dimension of the largest triangle that can be inscribe in the ellipse 9x^2+16y^2=144. The sides of the rectangle are parallel to axes of the ellipse

78. life orientation

how does hiv affect teenagers?

79. Algebra

How do i factor this problem completely? 216x^3 - y^3

80. maths

how to make a project on mathematics application?

81. maths

how to make a project on mathematics application?

82. math

simplify with steps 5(√32)^3

83. physics

A gas at 273 kelvin expands by 0.1 cubic metre if it is heated through 50 kelvin. Calculate the original volume at constant pressure

84. life orientation

Provide 5 or more ways in which you critically discuss how life style / behaviour disease impact on the teenager

85. math

find the value of x 2^5x/2x=5(√2)^20

86. life orientation

Conclusion in which you explain in 1 paragraph what you have learn in this assignment and how it has change the way in which you will view lifestyle disease or behaviour in the future

87. French-SraJMcGin

Thank you so much for your help with the accents! I had to switch keyboards for my laptop, so now it works. Could you please correct my sentence now? 1. La Basilique Sacre-Couer est une église catholique à Paris. Elle est très belle, et très grande. Au

88. math

Can someone help me answer this? If a < 5 the define integral [a, 4] 2.4e^(1.4x)dx = 44 Find the value a Define integral = integral sign a = lower limit 4 = upper limit

89. financial management

What is the value of a share of common stock that paid \$2.00 last year, the growth rate is 8%, assume the risk free rate is 4%, the market return is 10% and the Beta is 1.5.

90. civics

what are the main challenges to acheiving justice in American Society today and how can those challenges best be met?

91. human life

name two community organizations involved in redressing air pollution and how these organisations redress air pollution

how did youth day came?

93. physics

A ball of mass 8kg falls from rest from a height of100m neglecting air resistance calculate.its total enegy after falling a distance of 400.

94. chemistry

How many liters of 0.50M NaOH must be added to 125 mL of 0.75M HCL to neutralize it

95. Scientic Notation

A family refers to a group of two or more people related by birth, marriage, or adoption who reside together. In 2000, in Country A, the average family net worth was 430,000 and there were about 9.2 x 10 to the seventh power families. Calculate the total

96. Math - Probability

Annabelle wants to move to a new city. If her chance of getting a job in Montreal is 10%, and her chance of getting a job in Vancouver is 35%: 3a) What is the probability that Annabelle will be offered both jobs? 3b) What is the probability that she will

97. math

Can someone help me answer this? Determine F ' (x) and F ' (1) if F(x) = integral sign lower limit = 4, upper limit = x 4t^10 (2 t^(1) 0 + 8 ln t) ^4 dt a) F ' (x) = b) F' (1) =

98. maths

given f(x)=x^3-x^2-8x+12,draw a graph of f,showing all intercept with axes and turning point

99. Life oritation

In 10 _15 lines critically discuss 5 ways in which the human or environmetal problems impacts mn the community . Provide relevent sources to support your claims

100. math:vertex,axis of symmetry,min/max,

How do i find the vertex,axis of symmetry,min/max value? a) x^2-9x+y+20 b) f(x)=-5/4x^2+5/28x-5/114 c) f(x)=5x^2+x+4

101. math

Sorry I posted this question earlier with a error. Can anyone help me solve this now? Can someone help me answer this? If a < 5 the define integral [a, 4] 2.4e^(1.4x)dx = 44 Find the value a Define integral = integral sign a = lower limit 5 = upper limit

102. geometry

Jim is in the process of having a hole dug for a trapezoid shaped swimming pool. The pool will take up 121 square meters of the backyard. The distance from one base to the other is 11m. What is the median of the pool?

103. geometry

The area of a square is 81 square centimeters. What is the length of the diagonals?

104. PhySics

Using several bags filled with different amounts of the same item, take the mass of each and develop a procedure to determine the mass of a single item. (modelling milikan's oil drop experiment)

105. chemistry

hydrogen gas can be produced by reacting aluminum with sulfuric acid .How many L hydrogen gas are produced by reacting 15.0 mol of sulfuric acid with 15.0 mol of aluminum at STP?

106. HISTORY

Why did European countries expand and take colonies overseas? Why didn't others powerful societies like the Ottomans, Ming Chinese take the same path?

107. geometry

This question is about the shape of a kite. LINE AC bisects ANGLE BCD and ANGLE BAC ANGLE BCD = 50 degrees ANGLE BAD = 80 degrees LINE DC = 10mm LINE BE = 3mm What is the area of the kite?

108. English

Compare and contrast the role of nature and the natural world in two poems from this unit: Walt Whitman’s “Come Up from the Fields Father” and Sara Teasdale’s “There Will Come Soft Rains.” Be sure to use specific examples from both poems to

109. geometry

A rhombus has a diagonal with a length of 17 ft. and a side measurement of 9.5 ft. What is the area of the rhombus?

110. Applied Physics

A 22g bullet is fired at a muzzel velocity of 509m/s from an 8.75 kg gun with a barrel 72cm long. the force on the bullet while it is in the barrel is about?

111. chemistry

Write the half reaction and balanced equation for: Cl2(g) + H2(g) -> HCl(aq) so I got: 2e- + Cl2(g) -> 2Cl- H2(g) -> 2H+ + 2e- so Hydrogen is oxidized and Chlorine is reduced so for cell notation I put: Pt(s)|H2(g)|H+(aq)||Cl2(g)|Cl-(aq)|Pt(s) but the

112. PHYSICS

The object of the long jump is to launch oneself as a projectile and attain the maximum horizontal range (Fig. 3–26). Here we shall treat the long jumper as a particle even though the human body is fairly large compared to the size of the trajectory.

113. PHYSICS

The object of the long jump is to launch oneself as a projectile and attain the maximum horizontal range (Fig. 3–26). Here we shall treat the long jumper as a particle even though the human body is fairly large compared to the size of the trajectory.

114. geometry

Shape is a trapezoid: LINE AC = 12dm LINE FD = 13dm LINE BE = 14dm LINE CG = 10dm This line makes the right angle of the triangle What is the area?

115. math

1.) Calculate the area of a circle with radius 8.5 inches. . 2.) Calculate the area of a circle with the diameter 15 feet. . 3.) Calculate the area of a circle with radius 9 feet

116. PHI 103

I need some references of stereotype

117. math

If it is given tan(A-B) tanA-tanB/-1+tanAtanB and tanP-1/1+tanP=tan195 Find the value of P

118. Physics

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

119. Mechanical Engineering

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

120. Mechanics

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

121. MATLAB

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

122. Physics

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

123. math

2 51 45 58 41 44 37 38 40 44 45 40 59 45 44 34 44 43 48 32 38 1.Determine the mean of the data 2.Determine the standard deviation of the data

124. Mathematics

A toy projectile drives 12 meters, stops, and is stationary before launching 34 meters into the sky. At what angle, with respect to its starting point, is the toy located?

125. life orientation

impact of environtal problem in community.

126. chemistry

A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.17?

127. Algebra

An object is fired vertically upward with an initial speed of 68.6 meters/second. After t seconds, the height is shown by y= -4.9t^2+68.6t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach? How long

128. Algebra

An object is fired vertically upward with an initial speed of 68.6 meters/second. After t seconds, the height is shown by y = -49 t^2 + 68.6 t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach?

Factor the following quatric equations: a) x^4-9x^2+18

130. algebra

after a mans weight increased 8% he weighed 167 pounds. how much did he weight to start with

131. Algebra

The profit for a company that sells chairs is defined by P= -5x^2+200x+200. Where P is profit and x is the number of chairs produced. Find the number of chairs "x" that will produce the maximum profit "P".

132. Algebra

an airplane travels at an average rate of 135 miles per hour (distance = rate x time) How many seconds does it take to travel 2.5 miles? 13.6 66.7 54.3 74.8

133. algebra

Car A leaves a certain point traveling at an average speed of 40 mph. 3 hours later, car B leaves the same point traveling at an average speed of 55 mph. How soon will B catch up to A? 4 6 8 10

134. math

Find the mininum product of two numbers whose sum is 55

135. Algebra

I am reposting to correct a mistake. I forgot to add a decimal point. An object is fired vertically upward with an initial speed of 68.6 meters/second. After t seconds, the height is shown by y = -4.9 t^2 + 68.6 t meters. Given that this object has an

136. math

If the width of a rectangle is 6 inches and its perimeters is 38 inches find the length of the rectangle?

137. science energy conversions

List the energy conversions in these situations. A drum set causes many dishes to rattle. Temperature differences cause wind.

138. physics

How long does it take light to travel through a 2.7 mm-thick piece of window glass?

139. math

if the pre-image's perimeter was 104 units, what is the images's perimeter

A secret code must consist of three capital letters followed by a digit. Letters cannot be repeated. How many secret codes are possible? A. 140,400 B. 156,000 C. 175,760 D. 358,800

141. Algebra II Part 2

Use a graphing calculator to solve the equation -3 cos t=1 in the interval from 0 to 2p.Round to the nearest hundredth

142. Math

Can someone help me answer this? Determine F ' (x) and F ' (1) if F(x) = integral sign lower limit = 4, upper limit = x 4t^10 (2 t^(1) 0 + 8 ln t) ^4 dt a) F ' (x) = b) F' (1) =

143. English

1. Energy can be made when we walk or run wearing these shoes. 2. Energy can be made when we walk or run while we wear these shoes. 3. Energy can be made when we walk or run while we are wearing these shoes. (Which is the same as #1? #2 or #3? Or Are the

A 0.60 kg sphere rotates around a vertical shaft supported by two strings, as shown. If the tension in the upper string is 18 N. Calculate the tension in the lower string? the rotation rate (in rev/min) of the system?

145. world geography

1. In a/an _______ economy, the production of a wide range of manufactured products becomes more economically important than primary production and a service sector begins to develop. A. diversified B. developing C. production D. international 2. In

146. Math

Evaluate each expression for the given value of the variable 3-y2+fory=5

147. math

Solve for x sin2x=cos(x+30)

148. Social studies

How did monteqeieus system reflect John lockes ideas about government ?

149. science

where does the energy needed to heat up cold water come from?

150. physics

Two uniform 81.6 g marbles 1.81 cm in diameter are stacked in a container that is 2.78 cm wide. 1) Find the force that the container exerts on the marble at the point of contact A, B and C. 2) What force does each marble exert on the other?

151. math

Prove that Sin x + tan x / 1+cosx =tan x

152. english

revise the following sentences to eliminate shifts in tense, mood, voice or person. 7. The flight attendant said, "please turn off all electronic devices," but that we could use them again after takeoff. 8. The real estate market was was softer than it has

153. French (SraJMcGin)

SraJmcGin, Could you please teach me how to type the accents in French on a computer? I'm not sure how to do it, and I don't want to print out my writing and write the accents with a marker or pen. I also fixed up my Sacre-Couer sentence; is this better?

154. English

You can send the money over the Internet. You don't have to go to the bank. (In the second sentence, what is the use of 'the' before bank? Is 'the' in the generic use or does 'the bank' mean a specific bank in mind?)

155. Mathematics

A bicycle tire turns at 133.0 rpm and has a radius of 40.0 cm. The speed (v = r) of the bicycle is about

Factor the following quatric equations: a) x^4-9x^2+18

157. English

Taking turns with your partner, talk about the things which you don't need to do on Sunday. 1. What don't you have to do on Sundays. 2. Let me know the things you don't have to do ons Sunday. 3. Would you say an activity you don't have to do on Sunday? 4.

158. Math

1. Fantasia Florist Shop purchases an order of imported roses with a list price of \$2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? 2. Using your answer to the question above, what is the net dollar amount of that

159. physics

Find the tension T2 of the box hanging from the rope if 1 = 25°, 2 = 65°, T1 = 60.58 newtons, and W = 143.4 newtons answer please

160. physics

If the electrical field due to a point charge is .000602N/C what is the magnitude of the field (N/C)3.51 times as far away?

161. social studies

1.name some produse that come from mass

163. English

Posted by rfvv on Sunday, May 19, 2013 at 10:17pm. 1. Energy can be made when we walk or run wearing these shoes. 2. Energy can be made when we walk or run while we wear these shoes. 3. Energy can be made when we walk or run while we are wearing these

164. physics

a pair of parallel plates is charge by a 30.3V battery, if the field between the plates is 1050N/C how far apart are the plates? answer in meters

165. Mathematics

The length of a rectangular backyard is 7 feet less than four times its width. If the area of this garden is 15 ft2, find the length of the garden?

166. Math simplify

How Do I simplify this? a) 4√-27a^3b

167. Chemistry

Find the polar coordinate of the following. (0,-6) I know r = sq.root of 6 but tan theta = -6/0 doesn't exist so how will I find the degree? Thanks

168. physics

Three wires are arranged in an equilateral triangle as shown in the figure below. The lower two wires are 4.00 apart. Assume all the wires are 1.35 long for this problem (extending into the screen).

169. Music

Name an interval between two white keys with a black key between them. Thanks

170. Spanish

1) ¿ Hace un mes nadas en el mar? Hace dos meses. A. Cuánto tiempo hace B. Cuánto tiempo hace que C. Hace un mes D. A qué hora I said C 2) Hace tres horas ______ el piano. Me duelen mucho los dedos. A. que toco B. yo toco C. qué toco D. me toca I said

171. Film

Which of the following is true of the screenwriter’s role in making movies? (Points : 1) A film begins with a writer’s story Film is generally considered a writer’s medium The writer is more important than the rest of the cast and crew Writing

If the radius of a cylinder is 1.8 meters and its height is 7 meters, the volume of the cylinder is approximately 71.2 cubic meters...true or false I say false because shouldn't it be 71.2 cubic 3? Am I correct?

173. math

Solve for x if sin2x=cos(x+30) for x [-180;180]

174. math

400 is a three-digit square number that makes a one-digit square number when its digits are reversed.How many three-digit squares are there which make three -digit squares when their digits are reversed

175. math

the height of a soccer goal is 0.5 feet more than one third of its width. if the area of this goal is 117ft^2, find the width of the goal

176. math

a boy walks 2 miles east from his home ans then turns south and walks an additional 1.5 mile. how far is he from his home?

177. math

a boy walks 2 miles east from his home ans then turns south and walks an additional 1.5 mile. how far is he from his home?

178. Algebra

I need help with two math problems. 1. A triangle has vertices (1, 4), (1, 1), and (-3, 1). The triangle is dilated by a scale factor of 2, then translated 5 units up, and then rotated 90 degrees counterclockwise about the origin. What are the vertices of