# Questions Asked onFebruary 5, 2013

1. ## 7th grade math Ms. Sue please

2. Find the sum of the interior angles of a nonagon. (1 point) 140° 1,620° 1,260° 1,450° 4. Find the measure of each interior angle of a polygon with 12 sides. (1 point) 1,800° 150° 180° 145° 5. Four of the angles of a pentagon measure 85°, 110°,

12. Write a sequence of transformations that maps triangle ABC onto triangle A''B''C''. It is a graph, so here are the coordinates: A is 1,8 B is 3,12 C is 4,4 A'' is 3, -3 B'' is 5, -6 C'' is 6, 2 Please help! I have no idea how to write a "sequence of

3. ## Chemistry

4.00 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant. A(s) B(g)+C(g) Then, the container volume was doubled

4. ## Grammar (Last one :) )

Except for Ronnie and _____, everyone was on time. him(my answer) he Between you and _____, I know the answer to the mystery. I me(my answer) Leave your message with Ms. Horioka and _____. me(my answer) I It was Geraldine Ferraro _______ ran for vice

5. ## math

if x+3/3=y+2/2, then x/3=? whats the answer? I think its y/2. but im probly wrong. please explain to me.

6. ## Physics

A ball is shot from the ground into the air. At a height of 9.1 m, the velocity is observed to be v = (6.6 + 5.7 ) m/s, with horizontal and upward. (a) To what maximum height does the ball rise? m (b) What total horizontal distance does the ball travel? m

7. ## Chemistry

How come the formula for potassium peroxide is K2O2; I can't see how you'd get that...

8. ## Physics

An electron is projected with an initial speed of (1.6x10^6 m/s) into the uniform field between two parallel plates. Assume that the field between the plates is uniform and directed vertically downward, and that the field outside the plates is zero. The

9. ## Physics

You are standing at the top of a cliff that has a stair step configuration. There is a vertical drop of 7 m at your feet, then a horizontal shelf of 8 m, then another drop of 3 m to the bottom of the canyon, which has a horizontal floor. You kick a rock,

10. ## algebra

Generate the first five terms in the sequence using the explicit formula; Cn=12n-11 Please explain

11. ## Math page 167 algebra did you hear about...

Hi I need help with this one problem. It's on page 167 algebra with pizzazz. It has to use the addition method. 3x-5y=7 5x-2y=-1

12. ## Chemistry

In which direction will the net reaction proceed X(g)+Y(g)Z(g) Kp=1.00 at 300k for each of these sets of initial conditions? a) [X]=[Y]=[Z]=1.0 m net reaction goes to the left net reaction goes to the right reaction is at equilibrium I chose 3 for a. b)

13. ## Calculus and vectors

Vector AB is a vector whose tail is at (-4,2) and whose head is at (-1,3). Calculate the magnitude of vector AB Determine the coordinates of point D on vector CD, if C (-6,0) and vector CD= vector AB. Please I need some help. Is there a formula to solve

14. ## algebra

Write a recursive formula for the sequence formula 15,26,48,92,180,.. then find the next term. can someone please help me

15. ## math

What comes next in this pattern 2 12 32 62 102?

16. ## statitstics

A warehouse employs 22 workers on first shift and 14 workers on second shift. Eight workers are chosen at random to be interviewed about the work environment. Find the Probability of choosing: A. All first-shift workers B. All second-shift workers C. Six

17. ## chmistry

3O2(g)---> 2O3(g) Delta H = +284.6 kJ what is the sign of delta G and delta S

18. ## geometry

Two similar polygons have areas of 50 and 100 sq. in. Find the ratio of the length of a pair of corresponding sides.

asked by izzy jones
19. ## Math

the average of a set of six integers is 38. when a seventh number is included in the set, the average of the set increase to 47. what is the seventh number?

20. ## English-Grammar

Identify how the underlined pronoun in each sentence is being used. 18. Someone sent Ed and (me) a text from an unknown phone. direct object (my answer)indirect object 19. Mr. Simons saw Owen and (us) at the registry. (my answer)direct object indirect

21. ## Math

At a summer camp, one boy and one girl will be selected to lead the weekly activities. If there are 130 boys and 145 girls at the camp, how many different 2 person combinations of 1 boy and 1 girl are possible?

Complete the following table by replacing question marks with the correct numbers: (Note: Each horizontal row is a separate example, so in row #1, 175.32 grams of NaCl is how many moles of NaCl and how many molecules of NaCl does it contain?) Grams NaCl

23. ## Physics

The speed time graph shows the motion of a car over a period of 40 seconds. a. describe the motion of the car between: 1.) O and A - The car is traveling at constant speed from 0 to 20 m/s. 2.) A and B - The car is at rest for 20 seconds. 3.) B and C - The

24. ## PHY 101

An archer aims an arrow precisely horizontally over a large, flat field and lets it fly. At the same instant, the archer's watchband breaks and the watch falls to the ground. Does the watch hit the ground before, at the same times as, or after the arrow

25. ## Physics

The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. By what factor does the rate of this reaction increase as the temperature rises from 256 to 297 oC? (The factor is the ratio of the rates.) A catalyst decreases the

26. ## Chemistry

What mass of iodine contains the same number of atoms as 50.0g of chlorine?

27. ## History

3. In order to try to gain control over West Berlin, the Soviet Union *A.) set up a total blockade cutting off that section of the city. B.) threatened the section of the city with troops and tanks. C.) operated a massive airlift to bring in needed

28. ## Physics

A person can jump a maximum horizontal distance (by using a 45 percent projectile angle) of 3 m on Earth. The acceleration of gravity is 9.8 m/s2. What would be his maximum range on the Moon, where the free-fall acceleration is g/6 ? Answer in units of m

29. ## Science

Sarah heated two cubes of aluminum to 50 degrees celsius. Cube B has a volume of two cubic centimeters. If the cubes do not touch each other, which of these statements is true? A. Cube A has a higher temperature than cube B. B. Cube B has a higher

30. ## Calculus

Explain, using the theorems, why the function is continuous at every number in its domain. F(x)= 2x^2-x-3 / x^2 +9 A) F(x) is a polynomial, so it is continuous at every number in its domain. B) F(x) is a rational function, so it is continuous at every

31. ## Science

Laith notices that the air in his science classroom is much warmer than the air in his math classroom. Which statement describes how the air particles are different in his colder math classroom? A. They move faster on average B. They are vibrating C. They

asked by PLEASE I AM IN DESPERATLY NEED OF HELP
32. ## Physics

A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 1.5 m/s. The acceleration of gravity is 9.81 m/s 2 . What is the initial height of the bob? Answer in units of m

33. ## chemistry

I am supposed to add NH4 and C2H3O2 together and write the new ion. Would it be NH7C2O2? do I add the hydrogens together and were would it go in the order then?

34. ## college matematics

you are dealt one card from a standard 52 card deck find the probability of being dealt a heart

35. ## Math

On friday, a computer was priced at \$800. on the following wednesday, the price was reduced by 15%. On the following friday, the price was further reduced by 20%. what percent of the original price was the final price ?

36. ## math

A certain brand of cereal costs \$3.25 per box before sales tax is added. When you buy 5 or more boxes of this cereal you receive 1 additional box for free. What is the average cost per box of cereal for 6 boxes before sales tax are added ? Please helpp

37. ## Physics

The speed time graph shows the motion of a car over a period of 40 seconds. a. describe the motion of the car between: 1.) O and A - The car is traveling at constant speed from 0 to 20 m/s. 2.) A and B - The car is at rest for 20 seconds. 3.) B and C - The

38. ## Math

Explain It Evan told his class that the people in his family have 14 legs altogether. Quinton said that there must be 7 people in Evan's family. Is Quinton correct? Explain

39. ## English-Grammar

Decide if the underlined (in parentheses) pronoun in the sentences below is used as a subject, a predicate nominative, or an appositive. Both Ben and (he) will graduate at the same time. (my answer)subject predicate nominative appositive The driver of that

40. ## Physics

A ball is thrown straight upward and returns to the thrower’s hand after 2 s in the air. A second ball is thrown at an angle of 38 degrees with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one

A basketball player throws the ball at a 38° angle above the horizontal to a hoop which is located a horizontal distance L = 5.6 m from the point of release and at a height h = 0.4 m above it. What is the required speed if the basketball is to reach the

42. ## Chemistry(the)

An optically active compound having molecular formula C6H12O6 is found in two isomeric forms (A) and (B) in nature. When (A) and (B) are dissolved in water they show the following equilibrium. (A) Equilibrium mixture (B) D = 1110 52.20 19.20 (i) What are

43. ## History

8. What was the Eisenhower Doctrine? A.) The United States would liberate the countries behind the iron curtain. B.) The United States would use force to help any Middle Eastern nation threatened by communism. *C.) The United States would recognize the

44. ## Physics

A stone popelled from a catalpult with the speed of 50m/s attained a height of 100m. Calculate the time of flight and angle of projection.

asked by Onyinho De Yp
45. ## physics

a 50 kg student who is late runs up two flights of stairs whose combined vertical height is 7.0 m in 10 s (and he then silently enters the classroom while the professor is writing on the chalkboard).Calculate the student's power output in doing work

46. ## kctcs

the ball thrown the brick wall bounces directly back with the same speed it had when it struck the wall . has the velocity of the ball change explain ?

47. ## Chemistry

4.00 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant. A(s) B(g)+C(g) Then, the container volume was doubled

48. ## physics

a shot putter put the shoot with an initial velocity of 25m/s at an angle of 32 degree from the horizontal. determine the horizontal and vertical velocity of the shoot

49. ## stat

Explain why using the t statistic may be an appropriate alternative to using a z-score

50. ## Math

Which binomial is a factor of f(x) = x^4 27x^2 14x + 120? (x 4) (x 2) (x + 5) (x + 6)

51. ## Chemistry

A mole of a pure substance contains 6.02x10^23 atoms. Alway true, sometime true or never true? -I was thinking sometime true since a pure substance can be like H2O but H2O have 3 "atoms" (Is this what you call individual part of H2O?). Each "atoms" have

52. ## math

jill said that an angle is made of two rays.is she corret? explain

53. ## Chemistry

Why is the formula for potassium peroxide K2O2?

54. ## Science

If you are given a sample containg 1.204 x 10 24 molecules of NaCl, what is its weight in grams?

55. ## maths-urgently needed

ABCD is a square with length of each side 1cm. An octagon is formed by lines joining the vertices of the square to the mid points of opposite sides. Find the area of the octagon?

56. ## Molar heat of combustion question!

Calculate the molar heat of combustion of paraffin, expressed in units of kJ/mol. First calculate the thermal energy released when one mole of parafin burns) because one mole of parafin (c25h52) has a mass of 325g, the molar heat of combustion will be 352

57. ## Chemistry

a .50 g of NaCl is added to water to create a .50 L solution. what volume of this solution is needed to create a 1.30L solution that is .100M NaCl

58. ## math

Solve the following systems of equations. 3x + 4y = 4 2x + y = 6

59. ## math

A baby weighed eight pounds and three ounces at birth. If the baby weighed twelve pounds and five ounces at three months of age, how much weight did the baby gain?

60. ## Statistics

A telephone company's records indicate that private customers pay on average \$17.10 per month for long-distance telephone calls. A random sample of 10 customers' bills during a given month produced a sample mean of \$22.10 expended for long-distance calls

61. ## science

The compound 1-iodododecane is a nonvolatile liquid with a densityof . Thedensity of mercury is.What doyou predict for the height of a barometer column based on1-iodododecane, when the atmospheric pressureis 748 ? answer in meters

62. ## Criminal precedure

Question 11 of 20 5.0 Points Under the Fourth Amendment, which of the following is NOT a valid purpose for setting up a roadblock? A. Immigration law enforcement B. Detecting drunk drivers C. Checking for drivers licenses and registration D. Drug detection

63. ## English 102

What is "Imagine there is no Heaven" by Salman Rushdie about? I was looking for a general summary because I don't understand

64. ## Math Algebra 2

#4. Express the logarithm in terms of log2M and log2N: log2 1/MN #5. Simplify: log4 3 - log4 48 #6. Solve the equation: loga x = 3/2loga 9 + loga 2 #7. Solve the equation: logb (x2 + 7) = 2/3logb 64 #8. Solve the equation: loga (3x + 5) - loga (x - 5) =

65. ## Physics

The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.

66. ## Math Algebra 2

How do I put log in a TI-84 calculator. #1.Express the logarithm in terms of log2M and log2N: log2(MN)4 #2. Express the logarithm in terms of log2M and log2N: log2 the cube root of M2N #3. Express the logarithm in terms of log2M and log2N: log2 (M/N)7 #4.

67. ## Science

Some nitrogen atoms have seven neutrons and some have eight neutrons. These two forms of nitrogen are: a. ions of each other b. phases of each other c. isotopes of each other and how exactly do you know? My book doesn't cover this at all yet its in my

68. ## calculus

a shoot putter put the shoot with an initial velocity of 25m/s at an angle of 32 degree from the horizontal. determine the horizontal and vertical velocity of the shoot

69. ## Physics

A particle undergoes three displacements. The first has a magnitude of 15 m and makes an angle of 30 degrees with the positive x axis. The second has a magnitude of 8.6 m and makes an angle of 149 degrees with the positive x axis. After the third

Table salt, sodium chloride, has the formula NaCl. A weight of 58.44 grams of table salt contains 1.0 mole of NaCl molecules. How many moles of NaCl are contained in 29.22 grams of NaCl?

71. ## science

What simple machines are in a skateboard?

72. ## Physics

A 6 kg grinding wheel of radius 0.2 m rotates at a constant rotational frequency of 4 rad/s when an object makes contact with the outer edge of the wheel. Friction causes the wheel to stop in 2 seconds. What is the average torque on the wheel by the

73. ## math

winnie has 7 trophies she wants to display in arrays. how many different arrays are possible? explain.

74. ## maths

Joshua has 3yards of ribbon. She needs 1/4 yard to make 1 bow. How many bows can joshua make?

75. ## Che

An optically active amino acid (A) can exist in three forms depending on the pH of the medium. If the molecular formula of (A) is C3H7NO2 write (i) structure of compound (A) in aqueous medium. What are such ions called? (ii) In which medium will the

76. ## Math

A cylindrical tube is open at both ends.the internal diameter tube 10.4cm and its length is 25cm. If the thickness of the tube 8mm everywhere,find the total surface of area of the tube.

77. ## stats

Relatively speaking, which statistics exam did you do better on? On your first statistics exam you scored a 72 and on the second exam you scored an 89. Hey, you’re improving! Or are you? On the first exam, the class mean was 71 with a standard deviation

78. ## Statistics-Probability

An instructor will choose 3 problems from a set of 7 containing 3 hard and 4 easy problems. If the selection is made at random, what is the probability that only the hard problems are chosen?

79. ## finance

You have been living in the house you bought 10 years ago for \$300,000. At that time, you took out a loan for 80% of the house at a fixed rate 15-year loan at an annual stated rate of 9%. You have just paid off the 120th monthly payment. Interest rates

80. ## art

In what ways does Albrecht Dürer’s "Four Apostles" serve as an expression of the Protestant faith?

A person who is 1.4 m tall throws a ball with a speed of 4.2 m/s at an angle of 25 degrees above the horizontal. What are the x and y components of the velocity (in m/s) of the ball the instant before it strikes the ground? The acceleration due to gravity

82. ## Physics

The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.

83. ## Chemistry

1) given the following equation : Na2O 2Hl__>2Nal H2O (501.6KJ) a) 1f 9g of Nal are formed by the process, how much heat(q)will be involved? b) state whether the reaction is endorthermicor exothermic

84. ## Algebra

5a^2b^2-10ab^2+25b^2

85. ## physics

A 1500.0 kg car accelerates uniformly to double its speed from 35.9 km/h in 4.74 s. What net force acted on this car?

86. ## English 9

poem with 14 lines and 10 syllables vent about ONE THING you HATE - I don't know how to do a poem sonnet

87. ## PHYSICS HELP!!

#2.) Draw a free body diagram for the following situation: a.) A 0.15 kg running shoe is pushed to the right, with a constant velocity, across a wet concrete floor with an applied force of 3.5 N. b.) Calculate the normal force exerted by the concrete onto

88. ## University, Engineering Math

solve the ffg. differential equations: 1. x^3 +(y+1)^2 dy/dx=0 2. dy/dx-(1+1/x)y=y^2 3. dy/dx + ytanx=y^3sec^4x

89. ## Bio

1) Create a flowchart that describes the reproductive cycle of a typical fungus, such as bread mould. 2) Create a concept map comparing the reproductive structures and processes of moulds, sac fungi, and club fungi how do i do this??

asked by Kim Hyun Joong
90. ## trig

a tower that is a 200 meters is leaning to one side. from a certain point on that side, the angle of elevation to the top of the tower is 70 degree. From a point 55 meters closer to the tower, the angle of elevation is 85 degree. Determine the acute angle

91. ## Calculus

Marginal Cost Businesses can buy multiple licenses for data compression software at a total cost of approximately C(x) = 96x2/3 dollars for x licenses. Find the derivative of this cost function at the following values x=8 and x=64 I do not know where to

92. ## physics

water skiers often ride to one side of the center line of a boat, as shown 7-14. In this case, the ski boat is traveling at 15m/s and the tension in the rope is 80 n. If the boat does 3400 J of work on the skier in 50.3 m, what is the angle (theta) between

93. ## Education

Resistance to learning the language of a country where one is visiting is an example of ethnocentrism. True or False? I would think this is false but I wanted a second opinion.

94. ## Chemistry

One medium bran muffin connateness 4.2 g of fiber. How many ounces of fiber are obtained by eating three medium bran muffins? I need help understanding the conversion factor process

95. ## World History

What were the short-term and long-term effects of Jackson's war on the bank?

96. ## Physics

The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.

97. ## Math

On a centimeter dot array, draw all possible rectangles with an area of 16 sq cm and sides whose lengths are whole centimeters. Label the lengths of two adherent sides of each rectangle

98. ## Physics

A boat must cross a 260-m-wide river and arrive at a point 110 upstream from where it starts. To do so, the pilot must head the boat at a 45 degree upstream angle. THe current has speed 2.3 m/s. a) What is the speed of the boat in still water? b) How much

99. ## Chemistry

A chemical procedure calls for 3.54mol of dry ice (solid CO2). What mass of CO2 should we add?

100. ## PHYSICS1

A particle moves along a circular path over a horizontal xy coordinate system, at constant speed. At time t1 = 4.90 s, it is at point (5.30 m, 5.30 m) with velocity (2.20 m/s) and acceleration in the positive x direction. At time t2 = 14.0 s, it has

101. ## math

solve using substitution y=4x-8 y=2x+10

102. ## math

the average of a set of six integers is 38. when a seventh number is included in the set, the average of the set increase to 47. what is the seventh number? helpppp

103. ## Physics

The distance time graph shows a cart moving at a straight path. a. Describe the speed of the cart between: 1.) A and B - The cart is moving with constant speed for 10 seconds and it is now at rest for 20 seconds. 2.) B and C - The cart at rest for 20

104. ## Math

Two numbers that have a sum of 28 and a product of 160. What are the two numbers?

105. ## Algebra

Find the integers from 1 to 144 which are perfect squares and write the square root of each one.

106. ## Science

order from the smallest to the largest: nucleus, molecule, atom, quark.

107. ## Physics

A 19 g bullet is accelerated in a riﬂe barrel 70.6 cm long to a speed of 506 m/s. Use the work-energy theorem to ﬁnd the average force exerted on the bullet while it is being accelerated. Answer in units of N

108. ## Physics

After flying for 15 min in a wind blowing 42 km/h at an angle of 28° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?

109. ## College Algebra--Still Confused

I have a few problems I need help with and also do have multiple choice. If I can have an explanation of how to get the answer that would be great. 1. Use the discriminant to determine whether the given equation has two irrational roots, two rational

110. ## architecture

Describe the differences you observe between the art and architecture of the Early Renaissance (Chapter 8) and that of the High and Late Renaissance. Select an Early Renaissance work of painting, sculpture, and architecture, and compare them to examples

111. ## math

How to construct an angle of 135 degree?

112. ## physics

A hiker shouts toward a vertical cliff 660 m away. The echo is heard 4.00 s later. (a) What is the speed of sound of the hiker's voice in air? (b) The wavelength of the sound is 0.758 m. What is its frequency? (c) What is the period of the wave?

asked by willis tower
113. ## Biology....someone who can explain something to me

can someone explain the Miller-Urey Experiment to me? I've read it again and again and I just don't really get it. Please help me out here.

114. ## Math

A box measures 60cm*52cm*40cm.find the area of the cardboards required to make 280 such boxes.

115. ## algebra

Need help with this one write an explicit formula for the sequence 1/2,3//7,1/3,5/19,3/14 then find q14 I don't know how to set this up can someone please show me how this one works

116. ## math

One plane flies straight east at an altitude of 31,000 feet. A second plane is flying west at an altitude of 13,000 feet on a course that lies directly below that of the first plane and directly above the straight road from Thomasville to Johnsburg. As the

117. ## Science

A 6 kg grinding wheel of radius 0.2 m rotates at a constant rotational frequency of 4 rad/s when an object makes contact with the outer edge of the wheel. Friction causes the wheel to stop in 2 seconds. What is the average torque on the wheel by the

118. ## biology

7. Imagine you have 2 chambers connected by a flexible, semipermeable membrane and completely filled with solutions - one chamber contains 50ml of a 50mM NaCl solution (A), and the other (B) contains 100 ml of a 100mM NaCl solution? If the membrane permits

119. ## Chemistry (Combustion) formula question

Data; Volume of water, 100ml Room temp, 24C Initial water temp, 15C Final water temp, 30C Question: Calculate the mass of water heated. Hint: The density of the liquid water is 1.0g/ml. I have no idea how to do this. Can someone help? Thanks!

120. ## social studies

in what ways could the natural barrier of the himalayas have both helped and hurt the cicilization of the indus river valley

121. ## PHYSICS !!!HELP

#1.) If the force of gravity on a human is 539 N determine the mass of the human.

122. ## physics

A 1236.9 kg car is pulling a 334.8 kg trailer. Together, the car and trailer have an acceleration of 2.73 m/s 2 . What is the net force on the car? Answer in units of N

123. ## Math

Brian has 3 basketball cards and 7 baseball cards .whatfraction of Brian cards are baseball cars?

124. ## maths

ABCD is a parallelogram the angle bisector of angleA and angleD intersect at O. Find the measure of angle AOD

125. ## math

(1).answer that correctly shows following vectors,given in component form, in standard position. (1). V=(5,-2) (2). v=(-3,-4) (3).u=(16,-8) v=(-5,3) u+v= ? (#,#) (4).u=(10,5) -3u= ?

126. ## math

What simple machines are on a skateboard?

127. ## algebra

write the equation of a line parallel to the given line but passing through the given point y=x+4;(-7,1) discuss the steps necessary to carry out each activity. describe what each line looks like in relation to the original given line

A stone is aimed at a cliff of height h with an initial speed of v = 64.0 m/s directed 55.0° above the horizontal, as shown in the Figure below by the arrow. The stone strikes at A, 7.31 s after launching. What is the height of the cliff? What is the

129. ## Calculus and vectors

Vector AB is a vector whose tail is at (-4,2) and whose head is at (-1,3). Calculate the magnitude of vector AB Determine the coordinates of point D on vector CD, if C (-6,0) and vector CD= vector AB. Please I need some help. Is there a formula to solve

130. ## Math

Water is poured into cuboidal container at the rate of 80liter per min. If the volume of container is 144m^3,find the no. Of hours it takes to fill the reservior.

131. ## math

Franco went to sticker station. He bought 2 strips of 10 and 6 singles of frog stickers. He also bought 5 strips of 10 and 2 singles of butterfly stickers. How many stickers did Franco buy?

132. ## physics

Donkey experiencing a gravitational force of 2500 N is trying to pull a cart force due to gravity of a cart is 800 N) with a force of 400 N. The rope between the donkey and a cart is 30 degrees with the cart. The cart does not move. Show a diagram of all

asked by John kgosiyagae
133. ## architecture

What are the major characteristics of Mannerist art and architecture? Select a Mannerist painting, sculpture, and architectural work, and describe the Mannerist features of each.

134. ## math

One plane flies straight east at an altitude of 31,000 feet. A second plane is flying west at an altitude of 13,000 feet on a course that lies directly below that of the first plane and directly above the straight road from Thomasville to Johnsburg. As the

135. ## math

the average (arithmetic mean) of a and b is 6 and the average of a, b, c is 11. What is the value of c?

136. ## MAth

All faces of a 4-inch cube have been painted. if the cube is cut into 1-inch smaller cubes, how many of them have no paint on all their faces? with solution pls... tnx...

asked by HELP HELP HELP MNHS
137. ## math 209

the time t for a pendulum to swing back and forth once is called its period and is given by t=2pi*sqrt l/g where l equals the length of the pendulum solve for g

138. ## math

The sunshine bakery sells pies at a fixed price o p dollars per pie. The total number of pies demanded daily, D, is related to the price, p, in dollars by the equation: D = -10p + 200 On the other hand, the daily supply of pies, S, is related to the price,

139. ## PHYSICS HELP!!

3.) Draw a free body diagram of a boat being pulled at an accelerated rated by a truck down a highway.

140. ## Math

Math Question: winning time of a marathon is 1 hour, 24 minutes and 11 seconds... How do I find the average speed?

141. ## science

compare the formation processes of igneous, sedimentary and metamorphic rocks. in general which process can be the most direct, requiring the fewest number of steps? which can be the most complex? explain

142. ## English

Hello again. Dear Writeacher. I'm embarrassed to bother you with the same questions you have already answered, but my problem is that I didn'n quite get it (my fault), so will you be so kind as to answer it again: do we need the article in the context

143. ## stats

Why must you square the deviation scores when computing a standard deviation using the definitional formula? Why is the computational formula easier to use when computing variance and standard deviation?

144. ## math conversion factors

1. Homework problems solved in 2 hours 30 minutes at a rate of 26 problems an hour.

145. ## math

I am a 2-digit number over 50. When you put me in groups of 7, two are left over. The sum of my digits is 11. What number am I?

146. ## Physics!!

During the second stage of a rocket launch the rockets upward velocity increases from 980 m/s to 9000 m/s with an average acceleration of 33 m/s*. How long did the acceleration last??

147. ## World History

What reasons did Jackson have for wanting to destroy the Second Bank of the United States?

148. ## science

what is the main cause of global wind patterns?

149. ## Physical science

How much energy would be needed to warm 1.5 L of water from 0 °C to 25 °C? The specific heat capacity of water is 4186 J/kg/°C.

150. ## Chemistry

Calculate the final temperature of 244 of water initially at 35 upon absorption of 20 of heat

151. ## math

eight members of a club will make a paper chain. the chain is 4 feet long. each member will make an equal part. how much of the chain , in feet, will each member make?

152. ## history

1.who was the commander of the u.s. navy in the pacific? 2.where did the japanese strike after pearl harbor?

153. ## Spanish help please

Did I translate this correct? Tengo cuatro miembros de la familia, además de mí mismo. Mi mamá Denise, mi padre Tom, mi hermano Chris que tiene 14 años y mi hermano pequeño que Brad tiene 11 años. This is what I think it means: I have four family

154. ## history

island that became romes northwester frontier

155. ## math

37 is what percent of 144, to the nearest percent? please helpp

describe how a manager would use the critical-incident appraisal method for assessing an employee?

157. ## Math

if a dog is sitting on a porch and 20 meters away a cat is playing. if the dog travels at 4m per second and the cat travels at 2m per second. how many seconds does the cat have before he should be up a tree

158. ## Statistics

Which of the following conditions doesn't need to be met before you can use a two-sample procedure? The responses in each group are independent of each other. Each group is considered to be a sample from a distinct population. The same variable is measured

159. ## Geography

The G8 countries are responsible for 62% of the carbon dioxide emission into the earths atmosphere. Should I classify this as worrying or human changes

160. ## Life orientation

Behaviour and 5 factors that contribute to the disease of hiv and aids

161. ## Physics

As it passes over Grand Bahama Island, the eye of a hurricane is moving in a direction 25 degrees north of west with a speed of 97 km/h. Three hours later, it shifts due north, and its speed slows to 79 km/h. How far from Grand Bahama is the eye 4.50 h

162. ## physics

calculate the acceleration of a 2000-kg single air plane just before takeoff when the thrust of its engine is 500 N

163. ## maths

A bag contains 4 red and 3 black balls. A second bag contains 2 red and 4 black balls. One bag is selected at random. From the selected bag, one ball is drawn. Find the probability that the drawn ball is red.

164. ## Physics

An outﬁelder throws a 1.05 kg baseball at a speed of 99 m/s and an initial angle of 47.5 ◦ . What is the kinetic energy of the ball at the highest point of its motion? Answer in units of J

165. ## English

Can you please describe a peaceful country by using imagery.

166. ## physic

Craig launches the basketball at an angle of 65.0 degrees above the horizontal from a height of 2.00m above the floor.He imparts a speed of 9.70 m/s to the ball and leaves his hand a horizontal distance of 7.25 m from the center of the hoop if the hoop is

asked by juliet edmund

Strategic Management - Microsoft's Corporate Citizenship Program. I am requesting for guidance in the following: please assist with the following questions 1. Discuss how the company's commitment to global citizenship provides positive benefits for its

168. ## physics

At an instant when a soccer ball is in contact with the foot of a player kicking it, the horizontal or x component of the ball's acceleration is 780 m/s2 and the vertical or y component of its acceleration is 1160 m/s2. The ball's mass is 0.38 kg. What is

169. ## science

Two forces of 5N and 7N respectively act on an object when will the resultant of the two vectors be at maximum

170. ## Mpumulana

Why do you think some criminals use facebook as a tool to achieve their goals?

171. ## science

Some parts of the atmosphere are warmer than others. This causes air particles to-------,which in turn causes the wind. Moves heat by conduction form convestion currents move by radiation become more dense. I am just having a hard time finding the answer

172. ## Physics

A shopper stands 0.6 m in front of a diverging mirror of focal length 0.2 m. Where is the image located and what is the magnification?

173. ## Science

what device in a nuclear power plant creates nuclear energy?

174. ## Math

What is the least number of square pieces into which a cardboard, 13ft long and 8ft wide can be cut? solution pls...

asked by HELP HELP HELP MNHS
175. ## English; Help/Check.

Write down what you learn about Herbert, Mr. White, and Mrs. White from their reactions to the paw. Ms.WHite: She didn't think if you asked for something you'd get something taken away for that wish. Mr.WHite: he seemed to only want the the paw for show

176. ## Physical Science

I studied this 2 years ago in college and am no back in school. I can't remember any of this stuff and I really need to figure it out. Please Help Me!! The Latent Heat of Vaporization for water is 540. cal/g. How much heat (in calories) must be added to

177. ## math

a rope was cut in 7 equal pieces of 1/2 a piece measures 3 inch. how many inch was the rope before it was cut

178. ## History

Whose job was it to grow grain in colonial times

179. ## Accounting

The business was started on April 1st. I have the following events that happened: what accounts should I debit and credit? 1. Incurred advertising expense of \$1,907 on account. 2. Hired park manager at a salary of \$3,783 per month, effective May 1. 3. Sold

180. ## math 209

.78=2(3.14)*sqrt.5/g solve for g

181. ## science

Give 2 examples of things that are not matter and explain why they are not classifed as matter

182. ## physical science

How much energy would be needed to warm 1.5 L of water from 25 °C to 50 °C? The specific heat capacity of water is 4186 J/kg/°C.

183. ## Algebra

5a2b2 − 10ab2 + 25b2

184. ## Science

Laith notices that the air in his science classroom is much warmer than the air in his math classroom. Which statement describes how the air particles are different in his colder math classroom? A. They move faster on average B. They are vibrating C. They

185. ## Programming

Hello All i am new in dynamics Ax when i am going to connect the C# with Dynamics Ax using logon method i am getting the following error when connecting with DynAX from the it's own server so it connects but when i want to connect it from client computer

186. ## chemistry

what would be the volume of 0.05 mole of carbon tetra chloride gas ccl4 ar rtp

187. ## math

I am a 2-digit number with a 1-digit decimal. I am bigger than 54 but smaller than 56. 2 of my digits are even. When you divide my whole number by the digit in my decimal place, the answer has no remainder. What are the biggest and smallest numbers I could

188. ## math

the official size of a NCAA basketball has a circumference of almost 31.4 inches. find the amount of cubic inches of air that the basketball can hold.

189. ## Geography

Which of the following is not a city? A)Phoenix B) San Diego C)Maryland D)Houston

190. ## math

hi.A vehicle weighing 1.3 tonne leaves skid marks 23 meters long.After 15 meters it hit pedestrain.The co efficient of friction is .7 .what was vehicle initial speed at start of skid and at impact.thanks

191. ## Sardhanand barbigha mathematics

Principal-Rs300. Time-3 years .simple interest-Rs 45 then find how much the yearly hundreds of interest rate

asked by Swati roy
192. ## Algebra

-3y^3+24y^2-36y

193. ## physics

hi.A vehicle weighing 1.3 tonne leaves skid marks 23 meters long.After 15 meters it hit pedestrain.The co efficient of friction is .7 .what was vehicle initial speed at start of skid and at impact.thanks

194. ## physics

A DVD player can exert a torque on a DVD of 10−3 N⋅m. What is the DVD’s angular acceleration in rad/s2?

195. ## Math conversion factors

1. Fruit smoothies sold in the month of march at the rate of 136 a day. 2. Fast food meals eaten is a month at a rate of 72 meals in a year. 3. Homework problems solved in 2 hours 30 minutes at a rate of 26 problems an hour.

196. ## English I

Can someone please help me with this analogy? Joints:inflamed::_______atrophy. It is a crossword and there are 7 spaces. Thanks!

197. ## Math

Blake is packaging 1500 CDs to a friend. He can boy them in groups of 8 12 or 16. How many boxes will Blake need to pack the Cds in groups of 8? groups of 12? groups of 16? 8=1875? 12=125? 16=9375?

198. ## Math Algebra 2

Or can someone show me how to put it in the calcuator. Please

199. ## math

a box contains 4 red pencils nand ix black pencils. what fraction of the pencils are red

200. ## Algebra - Linear Functions

Find the x- and y- of each equation. x + y = 9 and x - 2y = 2

201. ## Math

Kira has 16 red beads, and she has 8 fewer yellow beads than red beads. kira also has 7 more green beads than red beads. How many does Kira have in all?

202. ## Grammar

Use the infinitives below to write ten sentence. Label each use of the infinitive a noun, an adjective, or an adverb. 1). to sing 2). to drive 3). to give 4). to walk 5). to tell 6). to contribute 7). to act 8). to be 9). to sleep 10). to dream These are

203. ## Logarithms

help- e^1-5x=3 find solution to 4 decimal places. I don't know how to type it in to my calculator!

204. ## science

A piece of copper wire and a 50lb block of copper have the same density. Explain how can this be true.

205. ## Accounting

What is "loss of lawsuit" categorized as? Current/non-current assets, current/non-current liabilities, owners' equity, expenses or revenues?

206. ## Psychology

Star and her brother, Mike, produce roughly the same levels of male hormones and female hormones. Given this information, it is likely that: Answer Star and Mike have not yet reached puberty. Star has reached puberty but Mike has not. Mike has reached

207. ## history

how did the navajo code-talkers aid marines in battle?

208. ## us history

the American contitution is base on which belief?

209. ## calc

find the derivatives of the given functions. g(t)=sqrt t(1+t)/t^2

210. ## Math

Turn this improper fraction into a mixed number: 6/5.

211. ## Language Arts

Find the antonyms: continual, bizarre, interrupted, conscious.

212. ## Math

Sophia has 2 purple flower , 6 pink flowers,and 4 yellow flower .what fraction of Sophia flowers are not yellow?

213. ## physics

A coin of mass 3 g slides horizontally on the surface of a table. The frictional force exerted on the penny is 0.0147 N. What is the coefficient of friction between the table and the penny?

214. ## math

I bought 16.8 gallons of gas at a cost of \$61.47. Estimate the unit price(cost per gallon)

215. ## Math

A trapezoid is in the shape of a stage. write a coordinate proof to prove that TR and SF are para

216. ## political science

Critically evaluate plato's justification of rule by philosopher kings. Please help its needed the soonest

217. ## math

the official size of a NCAA basketball has a circumference of almost 31.4 inches. find the amount of cubic inches of air that the basketball can hold.

218. ## physics

A DVD player can exert a torque on a DVD of 10−3 N⋅m. What is the DVD’s angular acceleration in rad/s2?

219. ## math

What is the range of this data 36.75.63.49.83.46.54.79

220. ## math

Can someone please show me how to estimate mixed numbers. An exsample like 6 and two thrids times 4 and one fifth. Also estimate by rounding to 0, 1/2, or 1. Exsample...5/8x9/10. I would appreciate any help I am in the 6th grade and me and math are not

221. ## MATH

1 + SIN X=2COS X

222. ## math

Betty did 5 exercises in one hour.what fraction of an hour did betty complete one exercises?

223. ## Math

how do you find the the area of a shaded region between the circle and the and the triangle with the points given (-8,6), (8,6) and (10,0)

224. ## spelling

How do you find the vowel sounds in the first syllable? Do you have to do it by saying the word is that the only way?

225. ## math

One plane flies straight east at an altitude of 31,000 feet. A second plane is flying west at an altitude of 13,000 feet on a course that lies directly below that of the first plane and directly above the straight road from Thomasville to Johnsburg. As the

226. ## Mpumulana

Why do you think some criminals use facebook as a tool to achieve their goals?

227. ## World history; Check:P

Write a opinion paper on the most significant consequences of the Agricultural Revolution. We have Neolithic Farmers to thank for early settlements, villages and then towns. They made all that happen by dint one one simple factor - food surplus. You don't

228. ## PHysics 2

Near San Francisco, where the vertically downward component of the earth's magnetic field is 6.8 x 10-5 T, a car is traveling forward at 17 m/s. The width of the car is 2.1 m. Find the emf induced between the two sides of the car. If positive charge

229. ## Math

What is the rule for this function? Input: -2, Output: -4 Input: 0, Output: -2 Input: 5, Output: -3 Thank You!! :)

230. ## grammar

Phiilidelphia is located in Pennsylvania. It is located on the Delaware River. (combine the sentences with a phrase)

231. ## Math

How to divide4/5 divide 7/8

232. ## Finance

A U.S. firm wants to raise \$15 million by selling 1 million shares at a net price of \$15. We know that some say that firms "leave money on the table" because of the phenomonon of underpricing. Using the average amount of underpricing in U.S. IPOs, how many

233. ## Math

If the width and length are both 13in what is the area of the triangle?

234. ## math

What is the general pattern when you divide each polynomial (x^3-Y^3, x^5-y^5, x^7-y^7, x^9-y^9) by x-y?

235. ## Math

Trigonometric identity SinD tanD Simplify please

236. ## math

Franco went to sticker station. He bought 2 strips of 10 and 6 singles of frog stickers. He also bought 5 strips of 10 and 2 singles of butterfly stickers. How many stickers did Franco buy?

237. ## physics

a mass m=8 kg sits on top of an h=1.8 m high table. The angle of the ramp is theta= 35 degrees. What is the length of the ramp.

238. ## math

Write the equation of a line perpendicular to the given line but passing through the given point. y=-1/2x+1;(4,2)

239. ## Math

I'm doing a project and I have looked everywhere for this answer. It's if using 50 math tiles how can you make the smallest area?

240. ## chemistry

would the ratio of moles of Cu:moles of CuCl2 differ from atoms of Cu:formula units of CuCl2? Why or Why not?

241. ## English

Hello. Will you please check the sentence for me? Is the second part of it natural, maybe it needs the article? "Many people have died since the time of (the?) occupation". Thank you for all your help.

242. ## math

If the highest score is100 and the average score for12 students is 95. What is the lowest score in order to get the average of 95?

243. ## pre-calculus

x^3e^x - 4e^x =0

244. ## Math

Hello! I am needing some help on Algebra! It is hard ! Can you explain how to Simplify Algebraic Expressions? The easiest way? I have a test over it Friday, and i can't understand it at all! Can you help with these and explain? -12z+4(z-9)+30+z and

245. ## Math

Vertically opposite angles make __ degrees.

246. ## math

Solve 1 = (y+3)(2y-2) e5q41

247. ## Very hard history

Whose job was it to preserve fruit over the winter so you can dry it

248. ## vocabulary

Proofread find two missing commas in compound sentences. Let's say it is ten o’clock in the morning. Your room is a mess! Your clothes are on the floor and games are everywhere. It won’t take long to clean but you can’t do it. There isn’t anything

249. ## math

compute the average of the following numbers: 17, 33, 45, 66, and 135

250. ## mathURGENT!!!!!!

the lines satisfying the equations x+2y=3 and 3y+ax=2 are perpendicular to each other. find the value of 'a'. please answer and explain how you got, please!!

251. ## english

pl let me know the parts of speech for OVER in the given text : She spread a cloth OVER the table

asked by r s telagathoty
252. ## Math

What is the rule for this function? Input: -2, Output: -4 Input: 0, Output: -2 Input: 5, Output: -3 Thank You!! :)

253. ## math

If I had to convert 15 oz. to kg and it was given that 1 oz = 28.35 g and that 1 g = 1000 kg, how would I show my work to get the answer?

20+90*955

z^2+17z-60

ab^2+8ab-9a

258. ## algebra

can you solve this problem using expression 0.05(0.03m+35n)-0.8(-0.09n-22m)

259. ## Math

The radii of two cylinders 3:2 and height 7:4.find the ratios of their curved surface area.

260. ## Algebra

how do you solve a^2-3a=0

261. ## Math

Trang has a paper for an art project that is 7 inches wide and 9 inches long. She wants to decorate it with a piece of string. How much string would she need to go around the perimeter?

262. ## history

who was commander of the u.s. troops on bataan?

y3 + 64

264. ## Algebra

14z2 + 81z − 9

265. ## Algebra 1- Math

Can anyone please show me and explain how to solve 9x+2=3y? Thanks,Bye.

266. ## math

13 2/9 - 8 8/9

267. ## Precalculus

Anthony is trying to cross the Mississippi river in a kayak. He is traveling due east at 6 ft/second. However there is a current that is traveling due north at 4 ft/sec. find the new speed and direction of Anthony and his kayak. If the distance across the

268. ## maths

Which organization has authorized data about population of India

269. ## COmbinatorics

A DNA chain is a string of As, Ts, Gs, and Cs. How many DNA chains are there of length 12 which have the following properties? Choose two of (a), (b), or (c) to submit: (a) Is a palindrome (A palindrome reads the same forwards and backwards, e.g., TAGGAT.)

270. ## common ailments

erosion of the lining of the stomach results in a.hyperacidity b.peptic ulcers c.dyspepsia d.heartburn my answer is b someone please help

3y+2z-2y+3z

272. ## earth

how are dunes and canyons related

273. ## math

make bar graph usins atleast 10 numbers that have mode 15,min5,med10,max20

274. ## math

what part of a mile is 1 rod

275. ## social studies

conduct research on the discovery on google

276. ## College Algebra

x^3-5x^2+4x-20 > 0 interval notation

277. ## World History

Why did the Whigs want to nominate a candidate like Harrison, who did not have strong political views?

278. ## math

How do I write 3/8 + 4/8 in its simplest form?

279. ## u.s. history

explain the historical significance of lafayette escadrille

280. ## social science

what is deepest lake in the world?

281. ## math

find the unit rate of \$122 in 8 days

282. ## maths science

3a+b+5a+2b. 4(e-2)-2(e+1).(2x+1)(x-2) find y if x=-2

asked by thully ntuli
283. ## math

what is the input for y = 10 and what is the rule?