# Questions Asked onDecember 4, 2011

1. ## Chemistry

1)How many protons and electrons are in a sulfate ion SO4^2- ? I know the answer is 48 protons and 50 electrons but i do not know how to get this from the ion. 2) What is the charge on a sulfide ion? The answer is -2 but im not sure why. Is sulfide always

2. ## chemistry

Write a net ionic equation to show that ascorbic acid, H2C6H6O6, behaves as an acid in water. Consider only its first ionization

In general, the air temperature decreases 12F for every 4000 feet increase in altitude. If a hiker climbs 3000 feet, by how much can she expect the temperature to decrease?

4. ## physics

I do not understand the answer that was given to me on a post dated Nov. 23. Please help explain my questions that appear at the end of this post. Bart ------------------- Posted by Bart on Wednesday, November 23, 2011 at 6:52am. A baseball is hit with a

5. ## math

A factory produces bicycles at a rate of 80+0.3t^2−1.1t bicycles per week (t in weeks). How many bicycles were produced from day 15 to 21?

6. ## Alg2

How many ways can six different books be arranged on a shelf if one of the books is a dictionary and it must be on an end?

7. ## Physics

A bowling ball of mass M and radius R is thrown along a level surface so that initially ( t= 0) it slides with a linear speed but does not rotate, see the figure. As it slides, it begins to spin, and eventually rolls without slipping. How far has the ball

8. ## calculus

1. A rectangle has a constant area of 200 square meters and its length L is increasing at the rate of 4 meters per second. a. Find the width W at the instant the width is decreasing at the rate of .4 meters per second. b. At what rate is the diagonal D of

9. ## AP Chemistry

The solubility of solid Ce(IO3)3 in a 0.20 M KIO3 solution is 4.4 10-8 mol/L. Calculate Ksp.

10. ## chemistry

A gaseous mixture containing 5 moles of H2 and 7 moles of Br2 reacts to form HBr. Write a balanced chemical equation. Which reactant is limiting? What is the theoretical yield in moles? What is the theoretical yield for this reaction in grams? How many

11. ## chemistry

Calculate the volume of natural gas (methane) required to bring 2.6 L of water to a boil. Assume the initial temperature of the water is 21 C, and the methane is at 1 bar and 25 C. Assume that methane is an ideal gas, the specific heat capacity of water to

12. ## chemistry

One of the steps in the Ostwald process for the production of nitric acid involves oxidation of ammonia. 4NH3 (aq) + 5O2 (g) 4NO (g) + 6H2O (g), Delta H= -905kJ a) State the reaction conditions that favour the production of nitrogen monoxide. b) A

13. ## Chemistry

A balloon is floating around outside your window. The temperature outside is 39 degree celsius, and the air pressure is 0.800atm . Your neighbor, who released the balloon, tells you that he filled it with 3.10 moles of gas. What is the volume of gas inside

14. ## AP Chem

The Ksp for silver sulfate (Ag2SO4) is 1.2 10-5. Calculate the solubility of silver sulfate in each of the following. 0.30 M K2SO4

15. ## physics

A 10.9-kg monkey climbs a uniform ladder with weight w = 1.24 102 N and length L = 2.70 m as shown in the figure below. The ladder rests against the wall and makes an angle of θ = 60.0° with the ground. The upper and lower ends of the ladder rest on

16. ## Physics

A child of mass 40 kg stands beside a circular platform of mass 100 kg and radius 1.8 m spinning at 2.6 rad/s. Treat the platform as a disk. The child steps on the rim. a) What is the new angular speed; rad/s b) She then walks to the center and stay there.

17. ## Physics

A turntable with a moment of inertia of 0.017 kg*m^2 rotates feely at 3.3 rad/s. A circular disk of mass 240 g and diameter 26 cm, and initially not rotating, slips down a spindle and lands on the turntable.

18. ## Alg2

Help w/Word Prob: LAW ENFORCEMENT A police accident investigator can use the formula s=2√5l to estimate the speed=s of a car in miles per hour based on the length=l in feet of the skid marks it left. How fast was a car traveling that left skid marks 120

19. ## algebra

three times a first number decreased by a second number is 25. the first number increased by four times the second number is -22. find the numbers

20. ## physics

An open railroad car of mass 2449 kg is coasting with an initial speed of 17 m/s on a frictionless, horizontal track. It is raining, and water begins to accumulate in the car. After some time, it is found that the speed of the car is only 10 m/s. How much

21. ## Physics

A circular disk of mass 0.3 kg and radius 40 cm, initially not rotating, slips down a thin spindle onto a turntable (disk) of mass 1.7 kg and the same radius, rotating freely at 3.1 rad/s. a) Find the new angular velocity of the combination; A circular

22. ## physics

A roller coaster car speeds down a hill past point A and then rolls up a hill past hill B.The car has a speed of 16.9 m/s at point A. THe acceleration of gravity is 9.81 m/s^2.If at point A the track exerts a force on the car that is 2.45*10^4 N greater

23. ## Physics

A light spring of constant k = 158 N/m rests vertically on the bottom of a large beaker of water (Fig. P9.34a). A 5.55 kg block of wood (density = 650 kg/m3) is connected to the spring and the mass-spring system is allowed to come to static equilibrium

24. ## physics

A block of mass 0.433kg is hung from a vertical spring and allow it to reach equilibrium rest. As a result the spring is stretched by 0.603m. Find the spring constant.

25. ## physic

A hockey player strikes a puck that is initially at rest. The force exerted by the stick on the puck is 950 N, and the stick is in contact with the puck for 4.4 ms (0.0044 s). (a) Find the impulse imparted by the stick to the puck. (b) What is the speed of

26. ## geometry

quadrilateral ABCD has right angles at B and D. If ABCD is kite-shaped with AB=AD=20 and BC=CD=15, find the radius of the circle inscribed in ABCD.

27. ## physics

you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 80 steps per minute, with each step 8.00 inches high. If you weigh 150 lb and the machine reports that 690 kcal have been burned at the end of the workout, what efficiency is the

28. ## Physics

A turntable with a moment of inertia of 0.017 kg*m^2 rotates feely at 3.3 rad/s. A circular disk of mass 240 g and diameter 26 cm, and initially not rotating, slips down a spindle and lands on the turntable. a) Find the new angular speed. b) what is the

29. ## Physics

What is the energy released in the fusion reaction: 2H+2H--> 4He + Q? How do I calculate this?

30. ## Physics

A 650 N student stands on a scale in an elevator. As the elevator starts to move, the scale reads 780 N. a. Find tha acceleration. b. Is the elevator going up or down?

31. ## calculus

1. Let y = f(x) be the continuous function that satisfies the equation x^4-5x^2y^2+4y^4=0 and whose graph contains the points (2, 1) and (-2, -2). Let l be the line tangent to the graph of f at x = 2. a. Find an expression for y’ b. Write an equation for

32. ## physiology

True or False The secretion of GnRH, FSH, and LH are pulsatile instead of continuous?

33. ## physics

An insulated Thermos contains 140 cm3 of hot coffee at 89.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees (in Celsius) has your coffee cooled once the ice has melted and equilibrium is reached? Treat the

34. ## Math

Someone verify if this is correct, please! 1. Draw a distance versus time graph that corresponds to the walk described below. Adam starts 8 m away from the motion sensor and walks in a straight line toward the sensor at a constant rate of 0.5 m/s for 3 s.

35. ## Math Probability

A lottery game has balls numbered from 0 - 9 If a ball is selected at random, what is the probability of selecting an even numbered ball or a 5 ? I am guessing this is Mutually exclusive event and hence used the OR= P(A)+P(B) concept considering 0 as an

36. ## chemistry

For which salt in each of the following groups will the solubility depend on pH? Pb(OH)2 PbCl2 could you explain too? thanks!

37. ## Physics

An iron ion contains 26 protons, 27 neutrons, and 23 electrons. What is the net charge of the ion?

38. ## AP Chemistry

Will a precipitate form when 100.0 mL of a 7.5 10-4 M Mg(NO3)2 is added to 100.0 mL of 5.8 10-4 M NaOH? (Hint: Ksp for Mg(OH)2 = 8.9 10-12) Give the value of Q, to support your answer.

39. ## AP Chemistry

A solution is prepared by mixing 50.0 mL of 0.17 M Pb(NO3)2 with 50.0 mL of 1.6 M KCl. Calculate the concentrations of Pb2+ and Cl - at equilibrium. Ksp for PbCl2(s) is 1.6X 10-5.

40. ## Finance

A court has ordered Security Enterprises to pay 200000 in two years and 500000 in five years. In order to meet this important liability, they wish to invest in a combination of two-year 10% par-value bonds with annual coupons and five-year zero-coupon

41. ## calculus

6. A trough is in the shape of a triangular prism. It is 5 feet long and its vertical cross sections are isosceles triangles with base 2 feet and height 3 feet. Water is being siphoned out of the trough at the rate of 2 cubic feet per minute. At any time

42. ## physics

A puck of mass 80.0 g and radius 4.10 cm slides along an air table at a speed of 1.50 m/s as shown in the figure below. It makes a glancing collision with a second puck of radius 6.00 cm and mass 130.0 g (initially at rest) such that their rims just touch.

43. ## physics

Water flows through a horizontal tube of diameter 2.9cm that is joined to a second horizontal tube of diameter 1.5 cm. The pressure difference between the tubes is 7.2 kPa. A)Find the speed of flow in the first tube.

44. ## Critical Thinking Quiz phi 103

Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories less than they would if they didn’t check calorie information before eating. Strangely though, people who use calorie information in this

45. ## Physics

An 893 kg car passes over a bump in a road that follows the arc of a circle of radius 14.3 meters. A) What force does the road exert on the car as the car passes the highest point of the bump if the car travels 7.53 m/s. B) What is the max speed the car

46. ## physics

A triangular plate with a non-uniform areal density has a mass M=0.700 kg. It is suspended by a pivot at P and can oscillate as indicated below. Its center of mass is a distance d=0.200 m from the pivot axis and its moment of inertia about an axis through

47. ## chemistry

Rubidium crystalizes in the body centred cubic structure with an edge length of 560.5 pm.. a. calculate the radius (in pm) to 4 sig figures. b. calculate the density to 4 sig.fgures. thnks guys..

48. ## biology

Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this variation might have on the functioning of enzymes in these organisms. Suggest some ways ectothermic organisms might cope with this

49. ## Physics

Calculate (in MeV ) the total binding energy for 40 Ca.

50. ## Math

The following table represents the diameter of the cross section of a wire at continuous heights (feet) above the ground. Assume that each cross section is circular. Height(ft) 2 6 10 14 18 22 26 30 Diameter 2 2 2.0 1.8 1.6 1.5 1.3 1.2 (feet) (those should

51. ## Physics

The mass of a certain neutron star is 5 × 10^30kg (2.5 solar masses) and its radius is 2000 m. What is the acceleration of gravity at the surface of this condensed, burned-out star? The value of the universal gravitational constant is 6.67 ×

52. ## physics

a man applies a force of 220 N horizontally to the right against a 50 kg crate. the force of friction between the crate and the floor is 200 N. if the crate is pushed 2.0 m, the work done is.... What formula would be applicable?

53. ## Physics

Calculate (in MeV ) the total binding energy for 40 Ca.

54. ## physics

A puck of mass 80.0 g and radius 4.10 cm slides along an air table at a speed of 1.50 m/s as shown in the figure below. It makes a glancing collision with a second puck of radius 6.00 cm and mass 130.0 g (initially at rest) such that their rims just touch.

55. ## chemistry

For which salt in each of the following groups will the solubility depend on pH? Pb(OH)2 PbCl2

56. ## AP Chemistry

How much work is done by the system when 2.00 moles of O2 expand from a volume of 3.00 liters to a volume of 8.5 liters against a constant external pressure of 0.0100 atm? Answer in units of J.

57. ## Physics

How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?

58. ## Physics

What minimum strength of magnetic field is required to balance the gravitational force on a proton moving at speed 6*10^6 m/s?

59. ## Physics

A researcher observes hydrogen emitting photons of energy 10.2 eV. What are the quantum numbers of the two states involved in the transition that emits these photons?

60. ## chemistry

a metal crystallizes in the face centered cubic crystal structure with a unit cell edge of 5.48 x10 power of -8 cm. the density of the metal is 6.90 g per cubic cm. a. what is the mass (g) of a single atom of this element. b. what is the atomic weight of

61. ## Algebra 1 (HELP PLEASE!!)

A bakery makes bread in batches. Several loaves per batch are rejected due to defects. Your friend says that the total number of defective loaves is the independent variable. Explain and correct the error.

62. ## calculus

1. A rectangle has a constant area of 200 square meters and its length L is increasing at the rate of 4 meters per second. a. Find the width W at the instant the width is decreasing at the rate of .4 meters per second. b. At what rate is the diagonal D of

63. ## chemistry

thank you for any help possible. Given a Mass Percent 13.3% and a Mass Solvent of 325.2 g, find Mass of Solute and Mass of Solution. Mass%=13.3% Mass solvent= 325.2g solve for the Mass solute and Mass solution. This is all the information I am given.

64. ## USA PoliScience

On average, women earn about _____ as much as men. a. one-fourth b. one-half c. two-thirds d. three-fourths e. nine-tenths I have looked all over.. My educated guess would be 1/4

65. ## geometry

Gerrad is a painter. he is using a canvas that is in the shape of a regular hexagon. The perimeter of the canvas is 78 in. The perpendicular distance from a side to the center is 11 in. to the nearest inch. Based on these measurements, what is area of the

66. ## chemistry

For which salt in each of the following groups will the solubility depend on pH? Pb(OH)2 PbCl2 could you explain too? thanks!

67. ## USA PoliScience

The presidency has been a consistently activist office since the administration of a. Andrew Jackson. b. Abraham Lincoln. c. U.S. Grant. d. Franklin Roosevelt. e. Richard Nixon. I know for sure it is not Andrew Jackson .. My guess would be.. Roosevelt ?

68. ## Calculus

When a particle is located a distance x meters from the origin, a force of cos(x/4) newtons acts on it. How much work W is done in moving the particle from x = 1 to x = 3?

69. ## physics

the momentum of 900kg car initially moving north at 10m/s increases by 10,800. calculate the final velocity of the car.

70. ## calculas

A car braked at a constant deceleration of 45 ft / s2, producing a skid mark measuring 105 feet before coming to a stop. How fast was the car travelling when the brakes were first applied?

71. ## physics

A puck of mass 80.0 g and radius 4.10 cm slides along an air table at a speed of 1.50 m/s as shown in the figure below. It makes a glancing collision with a second puck of radius 6.00 cm and mass 130.0 g (initially at rest) such that their rims just touch.

72. ## chemistry

hi need help for these questions a. which of the ions Cs+, Sr 2+, Ba 2+, will have the largest heat of hydration?which is the smallest? b. of the two compounds NaF and MgF2,which has the strongest intermolecular forces? c. of the two compounds NaNO3 and

73. ## Physics

A bowling ball of mass M and radius R is thrown along a level surface so that initially ( t= 0) it slides with a linear speed but does not rotate, see the figure. As it slides, it begins to spin, and eventually rolls without slipping. How far has the ball

74. ## Calculus

A spring has a natural length of 24 cm. If a 27-N force is required to keep it stretched to a length of 30 cm, how much work W is required to stretch it from 24 cm to 27 cm? (Round your answer to two decimal places.)

75. ## physics

An insulated Thermos contains 140 cm3 of hot coffee at 89.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees (in Celsius) has your coffee cooled once the ice has melted and equilibrium is reached? Treat the

76. ## physics

On an air track, a 403.0 glider moving to the right at 2.30 collides elastically with a 501.0 glider moving in the opposite direction at 3.00 .Find the velocity of first glider after the collision

77. ## Math

The following table represents the diameter of the cross section of a wire at continuous heights (feet) above the ground. Assume that each cross section is circular. Height(ft) 2 6 10 14 18 22 26 30 Diameter 2 2 2.0 1.8 1.6 1.5 1.3 1.2 (feet) (those should

78. ## Calculus

If 27 J of work are needed to stretch a spring from 18 cm to 24 cm and 45 J are needed to stretch it from 24 cm to 30 cm, what is the natural length of the spring?

The first right given to every American citizen at birth is the right to freedom of speech and religion. Therefore, anyone would be able to choose which religion to endorse. Religions such as Christianity, Catholicism, Islamic and Judaism can have major

80. ## Texas Government

Which of the following are "swing states"? a. Those that may vote Republican or Democratic b. States that joined the Union after 1870 c. Large states d. Small states e. New England A ?

1)How many protons and electrons are in a sulfate ion SO4^2- ? I know the answer is 48 protons and 50 electrons but i do not know how to get this from the ion. 2) What is the charge on a sulfide ion? The answer is -2 but im not sure why. Is sulfide always

82. ## Math

I need help with this question, it says to find the instantaneous rate at distance t = 6s with the given graph First of all, it is a linear line, do i need to find the equation of the graph? After finding the equation, i plug in 5.99 and 6.01? and solve ?

83. ## chemistry

Calculate the heat transferred when a 8 g of iron nail is cooled from 50oC to 18oC. The specific heat of iron is 0.45 J/goC.

84. ## physics

a rod supports a 2.35 kg lamp. a)what is the magnitude of the tension in the rod? b)calculate the components of the force that the bracket exerts on the rod.

85. ## physics

A rubber ball (mass 0.21 kg) is dropped from a height of 1.7 m onto the floor. Just after bouncing from the floor, the ball has a speed of 3.6 m/s. (a) What is the magnitude and direction of the impulse imparted by the floor to the ball? Magnitude?

86. ## physics

Two objects of mass m1 = m and m2 = 4m undergo a completely inelastic collision in one dimension. If the two objects are at rest after the collision, what was the ratio of their speeds before the collision? v1/v2=

87. ## Chemistry

1) How many miles are covered in a 15km race? (1 mile=5280, 12 in=1 ft, 1in=2.54cm) I know that I have to convert but I do not know where to start. 2) Silver (107.87amu) has two naturally occuring isotopes. In a typical sample, 51.84%of silver exists as

88. ## Math

There were 93 students going to a nature camp. After equal groups of fewer than10 students , were formed for hiking, 2 students were left over . How many equal groups were formed?

89. ## Thermochemistry

The standard enthalpy of formation of n-octane is -249.95 kJ/mol. Compute the amount of heat liberated when 5.24 g of n-octane is burned completely with excess oxygen to form carbon dioxide and liquid water.

90. ## statistics

A spinner has equal regions numbered 1 through 21. What is the probability that the spinner will stop on an even number or a multiple of 3? (Points : 5)

91. ## Health

1. What is needed to make blood cells? 2. What pair of workers is needed to produce estrogen? 3. What is needed to produce eleven hormones that control the actions of other endocrine glands? 4. What is needed to pass oxygen from lungs into blood vessels

92. ## math/117

Jack usually mowes his lawn in 7 hours. Marilyn can mow the same yard in 4 hours. How musch time would it take for them to mow the lawn together?

93. ## Physics

A force of 15 N is applied at an angle of 30 degrees with the horizontal on a 0.75 block at rest on a frictionless surface. a. What is the magnitude of the resulting acceleration of the block? b. What is the magnitude of the normal force?

94. ## math

The ratio of the length of a rectangular field to its width is 10:7. If the width of the field is 70 meters, find the perimeter of the field

95. ## Texas Government

Which of these was NOT a major factor in the emergence of a two-party system in Texas? a. The Shivercrats b. The civil rights movement c. In-migration d. Failure of the New Deal e. Support among minorities for liberal policies I would say In-migration

96. ## interm. algebra

3e^-5x=48 solve

97. ## Physics

Two men pushing a stalled car generate a net force of +655 N for 8.3 s. What is the final momentum of the car?

98. ## chemistry

What is the mass pecent of an aqueous sodium hydroxide in which the mole fraction of NaOH is 0.162? The density of the solution is 1.3311 g/ mL

99. ## algebra 1

Marcia is 3 times as old as Kate. The difference between their ages is 12 years. Find the age of each.

100. ## Science

Is there any science fair contests I can partcipate??? I found this topic in gr 5th and I really want to use it for my science fair project this year but we don't have it at my school so I want to use it for a contest.

101. ## simple physics

A 1500 kg car travels along the road at 25 m/s when the driver sees the light turn red and applies the brakes. What average force is needed to stop the car in a) 5 seconds and b) .2 seconds? What formula should be used?

102. ## Chemistry

1) what mass of oxygen will react with 2.64g of magnesium? 2Mg + O2 -> MgO I was going to do 2.64g * (1/2) from the equation but im not sure. Do I have to add a 2 in front of the MgO? 2) How many moles of sodium ions are present in 2.50 L of 0.300 M

103. ## english

Am doing Autism and I have to give farther information. Thanks The cognitive part: I have...(1) Selecting attention, I have they absorve things..(2) Concrete processing, i don't have anything for this one. (3) Rote memory: I putted recalling.

104. ## Chemistry

How many moles of hydrogen gas will be produced when the 0.03 g of magnesium reacts with excess hydrochloric acid?

105. ## chemistry

a metal crystallizes in the face centred cubic cubic crustal structure with a unit cell edge of 5.48 x10 power of -8 cm.the density of the metal is 6.90g per cubic cm. a. what is the mass in grams, of a single atom of this element. b. what is the atomic

106. ## precalc

Write the partial fraction decomposition of the rational expression. 6x^2+1/x^2(x-1)^2

108. ## phyics

Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting container and liquid mixture has a mass of 450 {\rm g}. What volume of alcohol was added to the water? Express your answer using

109. ## English

Can you tell me if sentence 2 is a mistake? Thank you. I remember going to primary school.. I remember I went to primary school..

110. ## calculus

a light sitting on the ground is shining onto a wall 20 feet away from the light. if a 5 foot person is walking toward the light at 4 ft/sec., how fast is the shadow moving up or down the wall when he is 15 feet from the wall?

111. ## mastering physics

A square frame is made from four thin rods, each of length and mass Calculate its rotational inertia about the three axes shown in the figure

112. ## Chemistry

In an esterification reaction, how does one tell when its reached equilibrium? Like what sign could you use to measure the rate at which it gets to equilibrium?

113. ## Chemistry

In an esterification reaction, how does one tell when its reached equilibrium? Like what sign could you use to measure the rate at which it gets to equilibrium?

114. ## Chemistry

A 2.3 g sample of C5H10O is burned completely in excess oxygen to yield CO2(g) and H2O(l) at 25 C, releasing 83.42 kJ of energy. What is the enthalpy of formation of C5H10O?

115. ## Math

he current term-structure of spot interest rates for safe zero-coupon bonds is as follows: Maturity, in years Interest rate(r) 1 8% 2 10% 3 11% 4 12% 5 13% There is a safe bond B which has 4 years before maturity and pays a coupon of 12% at regular annual

Deminsional analysis 4.25L/h to mL/

117. ## trig

We are doing trig identities in school. I need help with these five: 1.1+sinx/1-sinx=cscx+1/cscx-1 2.tanx+sinx/1+cosx=tanx 3.sec^2x/sin^2x=1/sin^2x+1/cos^2x 4.tan^2x/1+tan^2x=1-cos^2x 5.sinx-sin^3x/cos^3x=tanx

118. ## cultural antropology

Before colonialism, most colonized people lived in general peace and tranquilit static and unchanging cultures a state of balance with nature constant warfare and violence

These four religions have some similarities but are very different in their beliefs and their cultural differences to society. Christianity is one of the largest religious groups in politics but and also is the biggest religious group in the world.

120. ## MATH

Consider a population with and . (A) Calculate the z-score for from a sample of size 13. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?

121. ## Alg2

For a college application, Macawi must select one of five topics on which to write a short essay. She must also select a different topic from the list for a longer essay. How many ways can she choose the topics for the two essays?

which expression is equivalent to (n+10)x5

123. ## Physics

By what distance must two charges of +2 C and +10 C be separated so that the repulsive force between them is 3.70*10^10 N?

124. ## Chemistry

What minimum volume of 3.0 M H2SO4 is required to produced 13 L of H2 at STP? Reaction formula: 2Al(s) + 3H2SO4(aq) --> Al2(SO4)3(aq) + 3H2 (g)

125. ## English

Hello. I will really appreciate some help. 1)Would you use the article in the sentence "The UN called on Egypt to end (the) violence and bloodshed"? 2)Is it correct to say: a)the British newspaper Daily Mirror; or is it b)the British newspaper The Daily

126. ## math

a company sells snack-size boxes of raisins with dimensions 5 in. by 2.5 in. by 1.5 in., each weighing 2 oz. They want to make a family-size box that would be 7.5 in. by 3.75 in. by 2.25 in. What would be the weight of the family-size box of raisins?

127. ## language arts

Cleanliness what is it? why practice it? how do you practice it? what would it look like if..... reflections: action plan: plz help!!!!!!!!!!!!!

128. ## MATH

Rewrite cos(arcsin(v)) as an algebraic expression in v. i know that the answer is squroot of 1-v^2 but i don't know the process of how to come to this answer. Thanks for the help!

asked by MISS SUE PLEAE HELP
129. ## Basic Communications

I'm trying to add more details to this paragraph on my assignment: Lastly, Temporary Marriage Licenses are not a good solution to high divorce rates because couples in a boyfriend-girlfriend relationship should look into all the responsibilities that the

130. ## math/117

FOIL (8x^8-9)(x^9-5)

132. ## Stats

A bag contains 7 blue marbles, 18 red marbles, and 16 orange marbles. Find the chance that neither draws are orange.

133. ## Chemistry

Write the equation for the reaction of mixing 2 ml of 3 M (HO)2SO2 with 9 ml of 0.2 M NaClO4

134. ## Texas Government

Which of the following forms the core of the Republican Party? a. Hispanic Catholics b. Anglo Catholics c. Anglo Protestants d. Anglo Mormons e. Black Protestants Anglo Protestants.

135. ## spanish

Could someone please read my (corrected) summary in Spanish for grammar and fluidity? The English version appears below for help. Thanks! Spanish: Al principio del cuento, el narrador y su familia de braceros migratorios tenían que mudarse a Fresno porque

136. ## Pre-calculus

I want to make sure this is right. the inverse of f(x)=(-3x+2)/(2x-1) I got f^-1(x)=(x-2)/(2x-3). if its right how do i check the answer to see if it is right. also would the domain of f be D=all real numbers except 1/2. And I do not know how to get the

137. ## Physics

A 90 kg person stands on the ground before jumping vertically upward. If momentum is truly conserved in all closed isolated systems, then the Earth-person system should conserve momentum. If the person jumps with a speed of 3.5 m/s, what is resulting speed

Religion plays a big part in people's daily life. The Christian and Catholic religion beliefs going to conformation, regular church services, Sunday school, and other church events. Members may also pray throughout the day at times such as before meals and

139. ## physics

Consider two cars, one a compact model (m = 781 kg) and the other an SUV (m = 2483 kg). The SUV is traveling at 15 m/s, while the compact car is traveling at an unknown speed v. If the two cars have the same momentum, what is v?

140. ## Pre-algebra

Can you simplify (9x)^-2 = -81x^2

141. ## physics

A railroad car containing explosive material is initially traveling south at a speed of 4.5 m/s on level ground. The total mass of the car plus explosives is 2.9 104 kg. An accidental spark ignites the explosive, and the car breaks into two pieces, which

175. ## chemistry

Identify the conjugate base of the following acids? The names. For example HCl is hydrochloric acid. A) HSO4^- B)H3O^+

176. ## economics

The current term-structure of spot interest rates for safe zero-coupon bonds is as follows: Maturity, in years Interest rate(r) 1 8% 2 10% 3 11% 4 12% 5 13% There is a safe bond B which has 4 years before maturity and pays a coupon of 12% at regular annual

177. ## math

1/(1*3) + 1/(3*5) + 1/(5*7)= 3/7 come up with a formula S(n)

193. ## physics

A 500g ball is dropped into a well that is 10m deep. A)What is the ball's potential energy before it is dropped? Take the bottom of the well to be at zero height. I solved by using PE=mgh and came up with 49J. B) What are the kinetic energy and potential

194. ## law

How has the feminist movement influenced criminology? What negative impact has resulted from feminism, if any?

252. ## chemistry

write the equation for the reaction of mixing 4 ml of 3 M (ho)2so2 with 7 ml of 0.2 M naclo4

253. ## Government US

Campaign spending tends to be greatly more important a. for challengers and non-incumbents rather than incumbents. b. for Republican candidates. c. for Democratic candidates. d. for candidates in urban areas than for candidates in rural areas. e. for men

254. ## math

can you please try to help me understand this? Q:The table below shows a distribution and the observed frequencies of the values of a variable from a simple random sample of a population. Perform a chi-square goodness-of-fit test, at the specified

255. ## English

I left out 2 sentences. Can you help me check it? Thank you. 1) She is not the complement to her husband,but (?) rather the driving force behind her husband. In spite of the fact that we tried to save him, he died.

256. ## law

What are the policy implications of social development theories? How have these implications been reflected in actual policy, if at all?

257. ## Alg2

I need help with problem solving...

258. ## algebra

This is a project called guess your card. there are 3 people playing and you. We are drawing only numbers from 1 to 9. Each person draws 3 cards and puts them on their foreheads facing out. 1 has a 1,3,7 next person has 3,4,7 and 3rd person has 4,6,8. What

259. ## algebra 1

the perimeter of a rectangle is 68cm. the length is 2cm less than 3 times the width. find the length and width.

260. ## philosophy

What argument Williams offer in defense of a physical criterion of personal identity that Parfit critiques. did whether Parfit succeeds in answering Williams.

261. ## phi 103

Which of the following may not qualify as a falsifiable claim?

262. ## Physics

How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?

263. ## science

a 500kg remote control car traveled 10 meters down the street in 5 seconds. What is the toy car's momentum?

264. ## physics

A 90 kg mover climbs a ladder to a height of 8 m in 32 s. Find the power ratingof the mover. I solved by using P= mgh/t and came up with 220.5 watts. Is this correct or am I suppose to use P=w/t?

265. ## statistics

Can deciles be found on graphing calculators? ti 83

266. ## Math

Find the arc length of y = x^4 from the origin to (1, 1). Answer in length units, correct to two decimal places, please.

267. ## science-biology

. Explain the biological logic of administering anti-Rh antibodies to Rh- mothers immediately after they give birth to an Rh+ baby?

268. ## Math

3 ç (x - 2)11 dx = 1

269. ## math equation

you have a score of 97, 100, 98, you must make 360 to get an A what score on the next text will get you an A.

The proportion of Canadians who eat breakfast regularly is 0.9. A simple random sample of 144 Canadians is taken. a. What is the probability that between 0.85 and 0.875 of the sample eat breakfast regularly? b. What is the probability that at least 0.945

271. ## Algebra

1. How do we find the greatest common factor of a polynomial? Demonstrate the process with an example, showing your work. 2.When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient? 3. Can it ever be

272. ## epidemiology

What are some global health issues related to mexico?

273. ## Chemistry

Write the equation for the reaction of mixing 2 ml of 3 M (HO)2SO2 with 9 ml of 0.2 M NaClO4

274. ## Economics

Do you feel there are any imbalances to our wage structure in our economy? why? give an example

275. ## Physics

Trailing by two points, and with only 1.00 s remaining in a basketball game, a player makes a jump-shot at an angle of 35.0o with the horizontal, giving the ball a velocity of 8.50 m/s. The ball is released 0.25 m below the height of the basket, which is

276. ## history

Techniques for interest groups to reach a wide number of people and influence policy makers and voters include all of the following except _________. publicity and mass mailings offering tax write-offs litigation and amicus curiae briefs protests not sure,

277. ## math

Find the general term of the set. {8, 12, 16, 20, 24, . . .}

278. ## standard deviations

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 9. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single,

279. ## Physics/Science

Why would someone using a Foucault Pendulum at the equator say that Earth does not rotate?

280. ## physics

Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting container and liquid mixture has a mass of 450 {\rm g}. What volume of alcohol was added to the water?

289. ## Medical billing

Pt present for suture removal. sutures removed and slight oozing occurs in midsection of wound. wound dressed and pt advised to aply antibaterial cream daily. retn in 4 to 5 days for final check(PF HX/PX SF/MDM...WHAT IS THE OV

290. ## Medical billing

2nd question, pt present for PO check of head wound Pariental area healed well. RTO prn ( pf hx/px/sf/mdm) what is the code...

291. ## math

Is f(x)=4x/x-1 in factored form

292. ## medical billing

help ...Pt present for suture removal. sutures removed and slight oozing occurs in midsection of wound. wound dressed and pt advised to aply antibaterial cream daily. retn in 4 to 5 days for final check(PF HX/PX SF/MDM...what is the code

293. ## Anthro,psych, and soc

In the movie The Shawshank Redemption how does the prison in the film try to rehabilitate its inmates? Was it sucessful? and provide 3 examples of ways in which the prison (guards) enforce compliance to prison rules, were the enforcemnts necessary or

294. ## organization management

hi, well. i would like to know whether the steps of decision making process and the steps for Rational Making Process are the same thing?

295. ## math

object is oblong measure's 16" round and tapers and is 21" round at wides whats the volume???

296. ## Physics

If a force of 15.0 N directed east acts on a stationary 5.00 kg mass, what are its acceleration, displacement, and velocity after 10.0 s?

297. ## critical thinking

if we reason from the fact that all A's observed so far are B's to the conclusion that all A's whatsoever are B's, Which kind of induction would we be utilizing? I'm not sure but i think it's disjunctive syllogism.

298. ## physics

At the bottom of river there is a lamp. On what minimal distance from the subject its reflection will be placed at the bottom of the river? Refraction index of water is 1.5, depth of the river is 2.5 m.

299. ## critical thinking

if we reason from the fact that all A's observed so far are B's to the conclusion that all A's whatsoever are B's, Which kind of induction would we be utilizing? I'm not sure but i think it's disjunctive syllogism.

300. ## chemistry

78.7 mL sample of a 4.81 M sucrose solution is diluted to 120.0 mL. What is the molarity of the diluted soluti?

301. ## physics

thanks for the answer drwls. can you please explain to me, how it happened?