# Questions Asked onOctober 22, 2012

1. ## Ratios of Similar Figures

1. Write the following ratio in simplest form: 32 min : 36 min a. 8 : 9 b. 8 : 36 c. 32 :9 d. 128 : 144 2. In a sports equipment locker, there are 81 balls and 45 baseball mitts. Write the ratio of balls to baseball mitts in simplest form. a. 9 : 5 b. 10 :

2. ## College Algebra

The concentration C of a certain drug in a patient's bloodstream t minutes after injection is given by C(t)=50t/t^2+25. Determine the time at which the concentration is highest. Round your answer to the nearest tenth of a minute.

3. ## Physics

An inventive child named Chris wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passes over a frictionless pulley, Chris pulls on the loose end of the rope with such a force that the spring scale

4. ## Physics

A girl is skipping stones across a lake. One of the stones accidentally ricochets off a toy boat that is initially at rest in the water (see the drawing below). The 0.094-kg stone strikes the boat at a velocity of 14 m/s, 15° below due east, and ricochets

5. ## math

A right triangle is formed in the first quadrant by the x- and y-axes and a line through the point (2,3). Draw a figure that illustrates the problem. What is the area of the triangle A as a function of the x-intercept of the line?

6. ## physics

A crate pushed along the floor with velocity \vec{v} _{i} slides a distance d after the pushing force is removed.If the mass of the crate is doubled but the initial velocity is not changed, what distance does the crate slide before stopping?

7. ## physics

A solid sphere of mass 0.604 kg rolls without slipping along a horizontal surface with a translational speed of 5.25 m/s. It comes to an incline that makes an angle of 38 with the horizontal surface. Neglecting energy losses due to friction, (a) what is

8. ## Physics

In a science fiction novel two enemies, Bonzo and Ender, are fighting in outer space. From stationary positions they push against each other. Bonzo flies off with a velocity of +1.7 m/s, while Ender recoils with a velocity of −2.7 m/s. (b) Determine the

9. ## Physics

Compute the angular momentum of the earth arising from the following motions. (a) Earth's orbital motion around the sun. (b) Earth's rotation on its axis.

10. ## Chemistry I

In determining the heat capacity of a calorimeter, 50ml of water at 56*C is added to 50ml of water at 23*C. After about five minutes of mixing, the final temperature of the solution inside the calorimeter reached 37*C. Calculate the heat capacity of the

11. ## physics

A car moving 30m/s slows uniformly to a speed of 10 m/s in a time of 5 sec determine 1) the acceleration of the car 2) the distance it moved in 3 sec

12. ## Math

Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate length of one side of her garden? 6 square feet 7 square feet 8 square feet 9 square feet 7 square feet is my answer, what's

13. ## algebra

can anyone please help me set this problem up, I can do the math but I have tried for hours... Air fare club offers membership at $300.00, at least 50 people must join.For every member over 50 their fare will be reduced by$2 for every member. Due to space

14. ## soicial studys help plz

1. Who was the French absolute monarch who called himself the "Sun King" to show that he was the center of the French nation? (1 point)Cardinal Richelieu Louis XIII Louis XIV Versailles 2. The Elizabethan Age was considered a golden age due to all of the

15. ## Gen Chem

epsom salts, household ammonia, and rubbing alcohol are also consumer chemicals that could be used in this experiment. what are the chemical formulas for these substances?

16. ## math

Write a number sentence for the model. Let one white tile equal +1 and one black tile equal –1. A. –14 – (–6) = –8 B. 14 – 6 = 8 C. –14 – 6 = –8 D. –14 – (–6) = 8 i put d but it was rong

17. ## Physics

An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s2 . What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N

18. ## Physics

the input and output of hydraulic jack are respectively 1 cm and 4 cm in diameter. A lever with a mechanical advantage of 6 is used to apply force to the input piston. How much mass can the jack lift if a force of 180 N is applied to the lever and

19. ## Physics

A current of 60 mA passes through a loudspeaker of resistance 6 Ω. What is the potential difference across the resistance of the loudspeaker? 36.0 V 10.0 V 0.36 V 0.10 V Answer B seems like it would be the obvious answer..

20. ## Physics

An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s2 . What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N

21. ## Physics

A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.20 104 rad/s to an angular speed of 3.14 104 rad/s. In the process, the bit turns through 1.92 104 rad. Assuming a constant angular acceleration, how long would it take

22. ## Physics

A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed of the electron. What is the ratio of the force experienced by the proton to the electron? 1:2 1:3 2:1 3:1 I would think A, but

23. ## algebra 1

top and bottom margins are 7/8 inch there are 5 rows of pictures with 3/16 inch between the vertical what would be the height of each picture

24. ## trig

Show that the height, h, of the A-frame is equal to the expression 5sinc(1+2cosc). Im not sure what to do.

25. ## Physics

Which of the following is correct for a step-down transformer? Number of turns in the primary coil is less than the number of turns in the secondary coil. Step-down transformer increases the voltage from low value to high value. Number of turns in the

26. ## Physics

An electric kettle operates at 110V. What is the resistance of the kettle if the power is 1.5kW? 8.1 Ω 1.4 Ω 81 Ω 14 Ω I'm stuck between A and B

21. A candle is 17 in. tall after burning for 3 hours. After 5 hours, it is 15 in. tall. Write a linear equation to model the relationship between height h of the candle and time t. Predict how tall the candle will be after burning 8 hours. (2 points)

28. ## math

air fare club offers membership at $300.00, at least 50 people must join.For every member over 50 their fare will be reduced by$2 for every member. Due to space limits only 125 passengers will be allowed. how many memberships will maximize the revenue?

29. ## Physics

A volleyball is spiked so that its incoming velocity of +3.6 m/s is changed to an outgoing velocity of -16 m/s. The mass of the volleyball is 0.27 kg. What impulse does the player apply to the ball? Answer will be in kg*m/s

30. ## geometry

The volume of a sphere is 4,000 m3. What is the surface area of the sphere to the nearest square meter?

31. ## Precalculus

cotx-cos^(3)xcscx

32. ## Chemistry

The rate constant for a certain reaction is k=8.90×10^−3 s^-1. If the initial reactant concentration was 0.400M, what will the concentration be after 13.0 minutes?

33. ## math

Name a number that can be evenly divided by 6 and 7

34. ## calculus

A health club offers memberships at the rate of $300, provided that at least 50 people join. For each member in excess of 50, the membership fee will be reduced by$2 for all members. Due to space limitations, at most 125 memberships will be sold. How many

35. ## Physics

By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 2.75 m/s and v2 = 1.65 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor.

36. ## physics

A human hair is approximately 55 µm in diameter. Express this diameter in meters. Answer in units of m

37. ## physics

A man claims he can safely hold on to a 14.20 kg child in a head-on collision with a relative speed of 132. mi/h lasting for 0.100 s as long as he has his seat belt on. (a) Find the magnitude of the average force needed to hold onto the child

38. ## mba

the price p per unit at which a company can sell all that it produces is given by the function p(x) = 300-4x. the costs function is c(x) = 500+28x where x is the number of units produced. find x so that the profit is maximum

39. ## physics

If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe about its length? The length of the rod will become exactly half of its original value. The length of the rod remains the same.

40. ## Chemistry

Calculate the number of carbon atoms in 0.75 L of acetone (CH3COCH3). (density=1.3g/mL and boiling point=48.5 degrees)

41. ## physics

A particle of mass 0.350 kg is attached to the 100-cm mark of a meter stick of mass 0.175 kg. The meter stick rotates on a frictionless, horizontal table with an angular speed of 6.00 rad/s. (a) Calculate the angular momentum of the system when the stick

42. ## statistics

According to American Airlines, Flight 215 from Orlando to Los Angeles is on time 90% of the time. Suppose 150 flights are randomly selected. Find the probability that few than 125 flights are on time.

43. ## Chemistry

Why is a Gas Chromatography separation more efficient than a fractional distillation? What characteristics must the liquid stationary phase have? describe a method for identifying a compound using GC analysis. If you could answer anyone of these that would

44. ## physics

A chair of weight 100N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.0N directed at an angle of 35.0^\circ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate

45. ## Physics

An elastic collision occurs between two pucks on an air-hockey table. Puck A has a mass of 0.025 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.060 kg and is initially at rest. The

46. ## CHEMISTRY

Not for homework, just practice problems I'm having trouble with. Knowing that one mole of KHP, C8H5O4K, reacts with one mole of NaOH, what mass of KHP is required to neutralize 30.0 mL of the 0.10 M NaOH solution? if 24.5 mL of the 0.10 M NaOH solution is

47. ## math

Chelsie saves 1/5 of her allowance and spends 2/3 of her allowance at the mall. What fraction of her allowance remains?

48. ## physics

John runs at 4.6 m/s for 7.53 s along the x axis. How far does John run? Answer in units of m AND What relationship should be used to solve this situation? 1. x = v − t 2. x = v t 3. x = v + t 4. None of these 5. x = v

49. ## Chemistry

1.05 g of an unknown gas at 47 °C and 1.05 atm is stored in a 2.25-L flask. Density of the gas= 0.47g/L What is the molar mass of the gas?

50. ## history 103

Summarize the major factors that allowed the Incas to conquer and rule their large empire. Some suggest that, in many ways, the Incas were like the Romans or other Pre-Columbian American Civilizations. Evaluate whether they were more similar or different,

51. ## Statistics

A set of X and Y scores has SSx=10, SSY=20, and SP=8, what is the slope for the regression equation? a. 8/10 b. 8/20 c. 10/8 d. 20/8 For the regression equation, Y=bX+a, which of the following X,Y points will be on the regression line? a. a,b b. b,a c. 0,

52. ## Physics

Two resistors 10 Ω and 5 Ω are connected in parallel across a 15 V battery. What is the potential difference across the 10 Ω resistor? 5 V 10 V 15 V 20 V I would think the answer would be B, or 15V

53. ## physics

Your projectile launching system is partially jammed. It can only launch objects with an initial vertical velocity of 42.0 m/s, though the horizontal component of the velocity can vary. You need your projectile to land 214 m from its launch point. What

54. ## Organic chem

What gases escaped during the sodium bicarbonate washing for the preparation of Synthetic Banana Oil lab. The isopentyl acetate, acetic acid, isopentyl alcohol, sulfuric acid, water , by-products goes through the sodium bicarbonate wash and the organic

55. ## Chemistry 103

2NiO(s)→2Ni(s)+O2(g) If O2 is collected over water at 40.0C and a total pressure of 739mmHg , what volume of gas will be collected for the complete reaction of 24.18g of NiO?

56. ## check my precalc

#1. (3x^3-4x^2-3x+4)/(x^3-5x) my answers: y-int: NONE x-int: 1, -1, and 4/3 x asymtope: x= 0 and +- square root of 5 y asym: y=3 If it crosses horiz asym: idk i need help on this #2. (x^4-7x^2+12)/(x^2-5x+4) x-int: -2, 2, and +- square root of 3 y-int: 3

57. ## Chemistry

A student starts with 25 grams of sodium chloride as the limiting reactant and obtained 17.9 grams of dry pure sodium carbonate. What is the theoretical yield of sodium carbonate? What is the percent yield obtained by the student?

58. ## math

sharon is diving her green and blue rock collection into bags. Each bag will contain the same number of each color of rock. How many rocks of each color will be in each bag? there are 16 green marbles and 24 blue

59. ## Chemistry

Consider the following reaction. 2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l) ΔH = -118 kJ Calculate the heat when 103.6 mL of 0.500 M HCl is mixed with 300.0 mL of 0.550 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0°C and

60. ## physics

A chair of weight 100N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.0N directed at an angle of 35.0^\circ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate

61. ## Physics

A 0.014 kg bullet is fired straight up at a falling wooden block that has a mass of 4.0 kg. The bullet has a speed of 760 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t

62. ## PHYSICAL SCIENCE

How do the pressure variation with depth affect our ability to explore the ocean?

63. ## Physics

John's mass is 92 kg, and Barbara's is 67 kg. He is standing on the x axis at xJ = +7.50 m, while she is standing on the x axis at xB = +2.50 m. They switch positions. How far and in which direction does their center of mass move as a result of the switch?

81. ## Physics

:'( Please help me....? (7 points) 2. Contrast the metric units of distance, time, and speed. Describe the relationship between them. Answer: (11 points) 3. A microbiologist measures the speed of a swimming bacterium. The bacterium covers a distance of

82. ## Physics help PLZ!!

Estimate the energy required from fuel to launch a 1465 kg satellite into orbit 1375 km above the Earth’s surface. Consider two cases: (a) the satellite is launched into an equatorial orbit from a point on the Earth’s equator, and (b) it is launched

83. ## physics

If the height of the water slide in the figure is h = 2.8 m and the person's initial speed at point A is 0.47 m/s, what is the new horizontal distance L between the base of the slide and the splashdown point of the person?

84. ## Science Help!

How much heat is needed to cause the following irreversible reaction? 200 g of liquid H2O at 50°C is heated to form 200 g of steam at 120°C

85. ## Punctuation and period

Commas are used to set off _____ phrases. A) essential B) nonessential I answered nonessentials

86. ## physics

A car moving 30m/s slows uniformly to a speed of 10 m/s in a time of 5 sec determine 1) the acceleration of the car 2) the distance it moved in 3 sec

87. ## chemistry 20 MC questions

1- The equipment needed to carry out a titration is: A) hot plate, pipet, and filter paper B) heat source, test tube, and filter paper C) heat source, pipet, and burette D) erlenmeyer flask, pipet, and burette 2- A student correctly predicted that 10.0 g

88. ## Physics

A 1.08 kg skateboard is coasting along the pavement at a speed of 4.60 m/s when a 1.19 kg cat drops from a tree vertically downward onto the skateboard. What is the speed of the skateboard-cat combination?

89. ## Physics

Three resistors having the same resistance value are wired in parallel. How does the equivalent resistance compare to the resistance value of a single resistor? The equivalent resistance is thrice the value of a single resistor. The equivalent resistance

90. ## Algebra

2 cyclists travel opposite on circular trail that is 5 miles long. one cyclist travels 12 miles per hour, the other travels 18 miles per hour. How long before they meet?

91. ## physics

A 81.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with a speed of 28.0 m/s. If the player was moving upward with a speed of 4.40 m/s just before impact. (a) What will be the speed of the ball

92. ## physics

A child rides a toboggan down a hill that descends at an angle of 15.5 ◦ to the horizontal. The hill is 13.8 m long. What is the horizontal component of the child’s displacement? Answer in units of m 013 (part 2 of 2) 10.0 points What is the vertical

93. ## history 103

The voyages of Zheng He reveal a powerful, accomplished, and restored Confucian state and civilization in China that was at least equal to, but very different from, emerging early modern Western civilization. List and describe the major factors that made

94. ## Chemistry

25.0mL of an acidic 0.100 mol/L tin (II) chloride solution required an average volume of 12.7 mL of potassium dichromate solution for a complete reaction. The amount of concentration of the potassium dichromate solution is _______ mmol/L How do you go

95. ## chemistry

onic compounds have names that... (choose all that apply) might contain Roman numerals. might start with ammonium. start with the name of an anion. have prefixes, like di or penta. start with the name of a nonmetal.

96. ## Math

Which Statements of congruence are true and which are false and why? 177 _= 17 (mod 8) 871 _= 713 (mod 29) 1322 _= 5294 (mod 12) 5141 _= 8353 (mod 11) 13944 _= 8919 (mod 13) 67 x 73 _= 1 x 3 (mod 5) 17 x 18 x 19 x 20 _= 4! (mod 8) 83 (144 power) _= 15 (144

97. ## social study help plz

3. Like many absolute monarchs before him, Peter the Great strengthened his own power by limiting the power of Russian (1 point) priests. nobles. peasants. women.

98. ## CHEMISTRY

Explain Why The Addition Of An Electron To A Chlorine Atom Is An Exothermic Process And The Addition Of An Electron To A Magnesium Atom Is An Endothermic Processs

99. ## physics

The human brain consumes about 23.7 W of power under normal conditions, though more power may be required during exams. How long can one candy bar (332 Calories per bar) power the normally functioning brain? (Note: The nutritional Calorie is equivalent to

100. ## Physics

007 (part 1 of 2) An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s2 . What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N 008 (part 2 of 2) If the same elevator

101. ## Physics

007 (part 1 of 2) An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s2 . What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N 008 (part 2 of 2) If the same elevator

102. ## Physics

A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 92.5 kg. The mass of the rock is 0.310 kg. Initially the wagon is rolling forward at a

103. ## Physics

An inventive child named Chris wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passes over a frictionless pulley, Chris pulls on the loose end of the rope with such a force that the spring scale

104. ## geometry

The volume of 2 similar solids are 27 ft3 and 216 ft3. The surface area of the larger solid is 300 ft2. What is the surface area of the smaller solid? Round your answer to the nearest tenths place

105. ## science

These are the 3 questions that will help me study for my test. i need help understanding each of these thankyou :) Distinguish between microevolution and macroevolution. Explain how forest organisms (producers and consumers) separated by a highway could

106. ## physics

A hydrogen atom has a diameter of about 10.1 nm. Express this diameter in meters, millimeters, and micrometers.

107. ## physical science

how much heat is absorbed by pouring 10 grams of 100 degree C liquid water on a students hand. The water is cooled to body temperature 37 degree C

108. ## collegemathwordproblem

One number exceeds another by 24. The sum of the numbers are 58. What are the numbers?

22. The graph of g(x) is f(x) translated to the left 8 units and up 2 units. What is the function rule for g(x) given f(x) = x²? (2 points)

110. ## calculus

A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 24 ft/s. a.) At what rate is his distance from second base decreasing when he is halfway to first base? b.) At what is his distance from third

111. ## Punctuation

Select the correctly punctuated sentence. A) He arrived at the hospital with a heavily, bleeding gunshot wound. B) He arrived at the hospital with a heavily bleeding, gunshot wound. C) He arrived at the hospital with a heavily bleeding gunshot wound. I

112. ## Physics

A 42.4-kg boy, riding a 2.29-kg skateboard at a velocity of +5.37 m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with the board, the boy's velocity relative to the sidewalk is 6.30 m/s, 9.09° above the

113. ## Calculus

Air pressure at sea level is 30 inches of mercury. At an altitude of h feet above the, air pressure, P, in inches of mercury, is given by, P =30e^(-3.23x10-5h) a)Find th equation of the tangent line at h=0. b)A rule of thumb is given by travelers is that

114. ## physics

A 81.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with a speed of 28.0 m/s. If the player was moving upward with a speed of 4.40 m/s just before impact. (a) What will be the speed of the ball

115. ## Can comeone check my answer for me. Many Thanks!

A set of data is normally distributed with a mean of 1000 and standard deviation of 100. · What would be the standard score for a score of 1100? · What percentage of scores is between 1000 and 1100? · What would be the percentile rank for a score of

116. ## lens surface

- a spherical generator is used to produce a -15.00D surface on glass of refractive index 1.80. The diameter of the cutting tool is 80mm and the radius of the cutting surface is 4 mm. What is the angle between the axis of the tool and the axis of the lens?

117. ## Physics

A 5.9 g coin sliding to the right at 27.6 cm/s makes an elastic head-on collision with a 17.7 g coin that is initially at rest. After the collision, the 5.9 g coin moves to the left at 13.8 cm/s. (a) Find the final velocity of the other coin. (b) Find the

118. ## physics

Just after opening a parachute of negligible mass, a parachutist of mass 85.5 kg experiences an instantaneous upward acceleration of 1.12 m/s2. Find the force of the air on the parachute.

119. ## Chemistry

lime, Ca(OH)2 can be used to neutralize an acid spill.A 5.06-g sample of Ca(OH)reacts with excess of hydrochloric acid:6.74 g of calcium chloride is collected what is the percent yield of this experiment Ca(OH)2 + 2HCI ====> CaCl2 + 2H2O

120. ## Physics

A car traveling in a straight line has a velocity of 6.64 m/s at some instant. After 5.55s, its velocity is 10.9 m/s. What is its average acceleration in this time interval? Answer in units of m/s

121. ## Math

3.4t+0.08=11

Just after opening a parachute of negligible mass, a parachutist of mass 85.5 kg experiences an instantaneous upward acceleration of 1.12 m/s2. Find the force of the air on the parachute.

123. ## input/output tables

I have a blank table to fill in.It says divide m by 3 m÷3

124. ## Math

Monday, Mr. C stacked a display case of 80 heads of lettuce. By end of day, some were sold. Tuesday Mr. C counted lettuce left and decided to add an equal number of lettuce (**hint - he doubled the leftovers).  At end of Tuesday, he sold the same number

125. ## physics

When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm

126. ## Punctuation

Select the correctly punctuated sentence. A) Depression, often a genetic disorder, can be safely treated with medication. B) Depression, often a genetic disorder can be safely treated with medication. C) Depression often a genetic disorder can be safely

127. ## Abnormal Psychology

In the “strange situation” attachment assessment technique, children with Down syndrome A. display significant distress upon separation. B. readily reach to strangers for comfort. C. show few distress signals despite an apparent need for contact with

128. ## science

you are sledding on a snow-covered hill at a speed of 6 m/s there is a drop that increases your speed to 12 m/s in 4 s. find your acceleration? i need help answer?

33x650x-43

130. ## xeco/212

Wall Street Journal in which economists are quoted using positive and normative statements. o Provide one quote and its context for both a positive and normative statement. Explain your choices. o Evaluate the statement choices of your fellow students.

131. ## physics

When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm

$175,000 loan with 6% fixed apr over 15 years. How much would the payment be? asked by Misty 133. ## geometry A swimming pool is 3 ft deep in the shallow end the bottom of the pool has a steady downward drop of 12 degrees if the pool is 50 feet long how deep is the deepest end? asked by h 134. ## algebra a barrel contains 163 gallons of water and is being drained at a constant rate of gallons per hour write an equation that models the number of gallons g after t hours asked by tina 135. ## Physics The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.015 kg, and its velocity is +726 m/s. Her asked by Elizabeth 136. ## Chemistry In the theoretical reaction 2 B(aq) + 3 D(aq) ---> E(aq) + 4 F(aq) the concentration of D(aq) is 0.40 mol/L. If 25.0 mL of aqueous B is needed to react completely with 30.0 mL of aqueous D, the concentration of B(aq) is A-0.48 mol/L B) B-0.32 mol/L C) asked by mem 137. ## Physics Why is it necessary to collimate the light source before using the prism to disperse the light? A. If white light enters the prism with different angles, some of the blue light will exit the prism with the same angle as the orange light. B. If white light asked by Kyle 138. ## physics A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system asked by Anonymous 139. ## Math Calculus 2 At a certain instant an aircraft flying due east at 240 miles per hour passes directly over a car traveling due southeast at 60 miles per hour on a straight, level road. If the aircraft is flying at an altitude of .5mile, how fast is the distance between asked by Steven 140. ## Math A shaded area reprsents approximately 95% of the scores on a standardized test. If these scores ranged from 78 to 92, whic could be the standard deviation? asked by Tanyetta 141. ## Chemistry 25.0mL of an acidic 0.100 mol/L tin (II) chloride solution required an average volume of 12.7 mL of potassium dichromate solution for a complete reaction. The amount of concentration of the potassium dichromate solution is _______ mmol/L How do you go asked by Sam 142. ## geometry A square pyramid has base edges 10 in. long and a height of 4 in. Sketch the pyramid and find its surface area. Round your answer to the nearest tenth asked by Anonymous 143. ## phys!!! how do you do this Just after opening a parachute of negligible mass, a parachutist of mass 85.5 kg experiences an instantaneous upward acceleration of 1.12 m/s2. Find the force of the air on the parachute. asked by anthony 144. ## chemistry What is the chemical formula of the compound that forms between lithium (Li) and phosphorus (P)? asked by Mary 145. ## Physics How much heat must be removed from 500 grams of water at 0 degrees C to form ice at 0 degrees c? asked by Anon 146. ## English essy in mockingbird how Caitlin over Family struggle abput 700 word see example of different essay asked by phill 147. ## language what does scv, s, f, and scs mean when identifying sentences? asked by cunningham 148. ## Chemistry 20 titration 1) oi50 . tinypic . com / ejh6vm . jpg The most suitable indicator for the titration is: A)methyl violet B)chlorophenol red C)methyl orange D)phenolphthalein 2-A base is titrated with an acid solution until the indicator changes colour. This change in the asked by Rock 149. ## PHYSICS When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm. asked by Clarissa 150. ## Physics A railroad car with a mass of 1.86 104 kg moving at 2.80 m/s joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.40 m/s. (a) What is the speed of the three joined asked by Angela 151. ## organic chemistry a careless organic chemistry student was performing "competing nucleophiles in nucleophilic substitution reactions" experiment , and left his container of tert-butyl chloride and tert-butyl bromide open to the air for several hours. what happened to the asked by lyly 152. ## chemistry Is this equation correctly balanced? If not why. Al2S3+H2O----> Al2S3+3H2O---->Al2(SO)3+3H2 asked by What? 153. ## Punctuation Select the correctly punctuated sentence. A) No, I do not agree with that diagnosis. B) No I do not agree with that diagnosis. C) No I do not agree, with that diagnosis. My answer is A asked by Marie 154. ## Punctuation Select the two (2) correctly punctuated sentences. A) I also explained antepartum fetal surveillance, i.e., fetal heart rate monitoring and assessment of amniotic fluid volume. B) I also explained antepartum fetal surveillance, i.e. fetal heart rate asked by Marie 155. ## Algebra 1 Find the final amount of an investment if$2,000 is invested at an interest rate of 8% compounded quarterly for eight years. Please and thank you! I`ve been having so much trouble with this question. Thank you!

16. Which of the following would be the best revision of these sentences? "Our present receivables are in line with last year's. However, they exceed the budget. The reason they exceed the budget is that our goal for receivable investment was very

157. ## physics

When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm

158. ## prealgebra

0.85km/s=m/min

159. ## Science

How much heat must be removed from 500 grams of water at 0°C to form ice at 0°C?

160. ## chemistry

How many grams of solid potassium hydroxide are needed to exactly neutralize 10.8 mL of a 1.25 M hydrobromic acid solution

161. ## Punctuation

Select the correctly punctuated sentence. A) Dr. Christiaan Barnard, who performed the first heart transplant, is a well-known cardiologist. B) Dr. Christiaan Barnard, who performed the first heart transplant. Is a well-known cardiologist. C) Dr.

162. ## Punctuation and period

The most commonly used mark of punctuation is the _____ A) comma B) period I answered B

163. ## Punctuation

Select the correctly punctuated letter closing. A) Very sincerely yours, Joseph Blow, President B) Very sincerely yours, Joseph Blow President C) Very sincerely yours Joseph Blow, President I answered A

164. ## chemistry

Will a fluoride concentration of 1.0 mg/L be soluble in a water containing 200 mg/L of calcium? I got Qsp 1.38 * 10^-8 and Ksp = 3.45*10^-11 does that seem right? and does this mean fluride concentration will be soluble in water containing calcium?

165. ## science

A balloon with an initial volume of 2.8L at a temperature of 296K is warmed to 375K . What is its volume at the final temperature? (Assume constant pressure.)

166. ## chemistry

how many moles of NaBr are produced from reacting 20.05 moles of AuBr3 with excess NaCN? AuBr3 +NaCN -> Au(CN)3 + NaBr

167. ## Pre-Cal

State the transformations. Identify holes, vertical asymptotes, and horizontal asymptotes of each. (I'm fine with the asymptotes, just need help with stating the trandformations) f(x)= (3x+9)/(x+2)

168. ## math

if you have a 6 foot long board and it's cut into 4/5 pieces how many pieces can you have a what portion of the board is left over

169. ## english-dr.faustus

the warning Dr.Faustus teaches is? A-the devil is evil B-do not wish for more than heavenly power permits C-the end will justify the means D-both A and C

170. ## physics

A 59.0-kg skater is traveling due east at a speed of 1.80 m/s. A 61.0-kg skater is moving due south at a speed of 6.20 m/s. They collide and hold on to each other after the collision, managing to move off at an angle south of east, with a speed of vf. Find

191. ## Chemistry

What volume of a 0.332 M hydrobromic acid solution is required to neutralize 29.6 mL of a 0.155 M calcium hydroxide solution ?

192. ## math

height of a stack of 30 sheets of paper A 2mm B 2m

193. ## algebra

Kim spent a total of $100 for a laptop and 4 blank cds. The cost of the laptop was$92. Write and solve an equation to find, c, the cost of each blank CD

194. ## Health 8

what happen to a person tolerance as they drink regularly?

195. ## calculus

What is the degree 5 coefficient of the polynomial p(x)= x^2 (x+1) (x+3x^3 + 4x^4)?

196. ## math

How can i get on xtramath

197. ## Chemistry

What is the molar concentration of nitrate ions in a 0.161M magnesium nitrate(aq) solution?

198. ## Accounting

I am given several hypothetical amounts and interest rates and need to find the amount of the rental payments. (Lessee-Lessor Entries; Sales-Type Lease) On January 1, 2011, Palmer Company leased equipment to Woods Corporation. The following information

199. ## physics

A driver of a car traveling at 14.5 m/s applies the brakes, causing a uniform deceleration of 1.7 m/s 2 . How long does it take the car to accelerate to a ﬁnal speed of 9.50 m/s? Answer in units of s

200. ## science

Is a mineral a crystal?

201. ## Chemistry

What is the ionic equation for hydrolysis reaction of NH4C2H2O2 ? Thanks.

202. ## physics need help bad

A picture of width 43.0 cm, weighing 52.0 N, hangs from a nail by means of flexible wire attached to the sides of the picture frame. The midpoint of the wire passes over the nail, which is 2.50 cm higher than the points where the wire is attached to the

203. ## Precalc

#1. (3x^3-4x^2-3x+4)/(x^3-5x) my answers: y-int: NONE x-int: 1, -1, and 4/3 x asymtope: x= 0 and +- square root of 5 y asym: y=3 If it crosses horiz asym: idk i need help on this #2. (x^4-7x^2+12)/(x^2-5x+4) x-int: -2, 2, and +- square root of 3 y-int: 3

204. ## Physics

The length of the rod will become exactly half of its original value. The length of the rod remains the same. The length of the rod will decrease. The length of the rod will increase. Wouldn't the length double, thus being answer D? No one has answered

205. ## math

5n+2 divided by 6 n is -4 5×-4+2÷6 -20+2÷6 -19÷6

206. ## voltage drop

12v r1=10 r2=15 r3=2 r3=18 how would one solve this

207. ## math

Can these functions be defined for all real numbers? y= e^cos(x) y= ln(sin(x)) y= sqr(cos(x)+2) I'm trying to find some systematic way to test these, but I'm not sure how I can proe it for any possible input.

208. ## Physics

Which doesn't describe motion? mass or position eg. The position of a golf ball standing still on a tee at 7:30 A.M. Sunday morning. or The mass of Voyager as it plunges into a black hole.

-4b-5+2b=10

210. ## Maths

Question: I graphed -2x+y=-6 Y=-(1/3)x+1 & w/ the options No Solution, Infinante Solutions, or ( , ) I found the answer is (3,1) am I correct? What would be a better way to double check my answers?

A biologist finds that 32% of fruit flies have short wings and 27% have eye defects. Assuming these two events are independent, what is the probability that a randomly selected fruit fly has neither short wings nor eye defects?

212. ## Math

Use mathematical induction to prove that 2^(3n) - 3^n is divisible by 5 for all positive integers. ThankS!

213. ## Finite Math

A polygraph machine correctly identifies a lie 81% of the time, and incorrectly identifies a true statement as a lie 8% of the time. If a person being examined with the machine lies 10% of the time, what is the probability that a statement identified by

214. ## Finite Math

A fair coin is flipped. If the flip results in a head, then a marble is selected from an urn containing 1 red, 4 white, and 9 blue marbles. If the flip results in a tail then a marble is selected from an urn containing 3 red and 3 white marbles. If the

215. ## Algebra

A petroleum company has two different sources of crude oil. The first source provides crude oil that is 35% hydrocarbons, and the second one provides crude oil that is 60% hydrocarbons. In order to obtain 120 gallons of crude oil that is 55% hydrocarbons,

216. ## mathURGENT!!!!

the midpoints of the sides of a triangle are (1,1),(4,3),and (3,5). find the area of the triangle. what is the answer and can u explain how u got it step by step? please...

217. ## Physics

How many significant figures are in 1.30470

218. ## physics help

Just after opening a parachute of negligible mass, a parachutist of mass 85.5 kg experiences an instantaneous upward acceleration of 1.12 m/s2. Find the force of the air on the parachute.

219. ## Grammar

The plan was to quickly attack England and afterwards Turkey. Is the sentence correct?

221. ## math

(-7)(-4)(-2)=-56

222. ## Geometry

The angle of elevation of a ladder leaning against a wall is 45°. If the distance from the base of the ladder to the wall is 15 feet, find the length of the ladder.

223. ## algabra

why are prime numbers beter when writing codes?

224. ## Physics

Three objects with masses m1 = 7.4 kg, m2 = 11 kg, and m3 = 18 kg, respectively, are attached by strings over frictionless pulleys (M1 hangs off the left side of the table and M3 hangs off the right side of the table with M2 between them on the table). The

225. ## Abnormal Psychology

In comparison to children with autism, children with schizophrenia A. tend to be younger at diagnosis. B. show a more chronic and declining course. C. show similar social and language deficits. D. show less intellectual impairment. I think its C or D but

226. ## math

(3x+1)^3/(3x+1)^3 +1 use the chain rule to complete the derivative

227. ## Poltics

Who is the President of The Department of Human Services for Wayne County in Michigan?

228. ## Calc

Set the first derivative and second derivative of x^2/x-2 equal to 0. Solve for 0.

229. ## math

a disk has an area of 250 square inches.what is theradius of the disk?

230. ## vocabulary

very few starting pitchers have the to pich well for nine innings.

231. ## Calculus

simplify log2(4x^2 2^x)

232. ## Biology (cell-molec)

You wish to perform a restriction digest in a 20uL volume. Your DNA is 0.20 ug/uL and you wish to digest 1.0 ug. Your restriction enzyme is provided as 0.2 U/uL. Fill in the appropriate volumes: H2O, 10Xbuffer, DNA, and restriction enzyme. Please show

233. ## MATH

Given Pr(a)= 0.9, Pr(C|A)= 0.78 and Pr(D|B) = 0.38. find a. (A|C) = b. (A|D) = c. (B|C) = d. (B|D) =

234. ## math

Angelique has five more than 3times the number of movies passes that she had last week. Let x represent the number of movie passes that she had last week. X(5x3)=15x

235. ## Calculus (math)

Write a formula for f^-1 (x) if f(x) = (x+5)/(3x-4) and state the domain of f-1

236. ## Math

Eliminate the parameter in the pair of parametric equations to find the corresponding rectangular question. x=h+ asecQ y=k+ tanQ

23×17

238. ## Computers

How can computers affect our health?

239. ## chemistry

What is the final temperature of water when 2.70 grams of calcium chloride is dissolved in 25 mls of water at 25.5 Celcius.

240. ## math

For the functions f(x)=3x-12 and g(x)=(x/3)+4, find each of the following a) f o g (x) b) g o f (x)

241. ## Math

2x-1/3 +3 or=6

242. ## collegemathwordproblem

When a number is decreased by 30%of itself, the result is 28. What is the number?

243. ## collegemathwordproblem

When 80% of a number is added to the number, the result is 252. How do I find the number?

244. ## English

Hi i need help with an example of a Nominative Absolute sentences using an example from Emily Bronte's wuthering heights

245. ## calculus

Left f(x) = 1/x+2 and g(x) = x-1/x. Simplify as much as possible and sstate the domain. f 0 g(x) g 0 f(x)

246. ## Calculus

Im finding local Min and max of x^2/x-2 I know I take the derivative of the first one but how do i derive this one. And the second one especially don't know how to do.

247. ## Punctuation

Select the correctly punctuated sentence. A) It was an exhausting complicated surgery. B) It was an exhausting, complicated surgery. C) It was an exhausting, complicated surgery My answer is B

248. ## Word problem

A new car worth 45K is depreciating in value by 5K per year. How can I write a formula that models the cars' value,y, in dollars, after x years?Then using the formula determine after how many years the cars' value will be 9K.

249. ## physical science

how much heat is absorbed by contacting 10 grams of 100 degree C steam by a students hand.

250. ## Punctuation

Select the correctly punctuated sentence. A) His greatest fears were a stroke, a heart attack, and blindness. B) His greatest fears were a stroke a heart attack and blindness. C) His greatest fears were a stroke, a heart attack, and blindness I answered A

251. ## math

23 divided by 6=3.83333333333 the 23 is my points and i divide it to find my gpa how do i round the answer

252. ## math

4(3) exponent is 2

253. ## Word problem

A new car worth 45K is depreciating in value by 5K per year. How can I write a formula that models the cars' value,y, in dollars, after x years?Then using the formula determine after how many years the cars' value will be 9K.

254. ## Math

2(2+7)+(6x-5)=37

255. ## Physics

A 59.1 N/m spring is unstretched next to the 90 degree angle of an incline, and the system is released from rest. The mass of the block on the incline is m1 = 21.4 kg. (Neglect the mass of the pulley). If the coefficient of kinetic friction between m1 (the

256. ## English

I have to come up a reason for my claim help please? Thanks! My claim: technology is harmful to children and teens.

257. ## Punctuation

_____ are primarily used to separate sentences. A) commas B) periods My answer is B

258. ## collegemathwordproblem

When 80% of a number is added to the number, the result is 252. How do I find the number?

259. ## Physics

A simple pendulum consists of a light rod of length L = 0.9 m anchored at a fixed point (like the ceiling), and a small mass m = 0.5 kg attached to the free end.  The configuration is moved to an angle Î¸ = 39 degrees from the vertical and released from

260. ## Physics

A massless string connects three blocks as shown below. A force of 24 N acts on the system. What is the acceleration of the blocks and the tension in the rope attached to the 2 kg block?

261. ## calculus

Find the equation of the tangent line to the graph of the function f(x)=x-3/3x-5 at x=1

262. ## math

if f(x)=3/x+x^3 and g(x)=1-x^2 find d/dx f(g(x)).

263. ## math

if there are 7 boxes of items and the least amount of items in any one of the boxes is 2 and the greatest amount in any one of the boxes is 4. What are all the possible total amounts of items in the 7 boxes combined?

264. ## math/algebra

How do I find the quotient of 5/22 & 6/11?

265. ## social studies

what is venezuela's human development index

What do these mean? They are supposed to represent things but I don't understand them. C=2╥r for r, S=P+Prt for t, and A=2lw+2lh+2wh for h

267. ## college percentages

One number exceeds another by 24. The sum of the numbers are 58. What are the numbers? please help!

268. ## math

which measures is closest to 59mm? A 50mm B 65mm C 6mm D 6cm

269. ## math

How do I find the numbers adding up to 58 if one of those two numbers is greater by 24?

270. ## Chemistry

how many grams of hydrogen occupy 40 ml at 300.15 K and 710 torr?

271. ## math

what is 37% of 100

302. ## math

Find the second derivative. f(x)=(2x^2+4)^7/2

303. ## Math

Solve using Augmented Matrix Methods -4(x1) + 6(x2) = -8 6(x1) - 9(x2) = 12

304. ## Math

Estimate the sum by rounding: 7.68+3.52

305. ## College chemistry

When your body metabolizes amino acids, one of the final end products is urea, a water so liable compound that is removed from the body as urine. Why is urea soluble in water, when hexamide, a related compound is not?

306. ## Health 8 (2nd question)

Describe the effects of alcohol Answer - There were 283 deaths recorded as alcohol-related and could cause blackouts, memory loss and anxiety. Am I correct and is my answer is good????

307. ## math

what is the prime factorization of 1 bilion using exponents?

308. ## Math

Complete the analogy. Monday : Tuesday :: Saturday : _

309. ## Spanish Beg. 1 - help!

spanish words to talk about names so far I got... comom te llamas and me llamo is there a website that list all spanish words to talk about names I just need two more please help!

310. ## calculus

Find the derivative of (x^2)(e^-3x)

311. ## Writing

I have to do a research paper & I want my topic to be on Pixar's influences on the world. My thesis: Pixar is a positive influence on the world. My supporting evidences - 1) Has helped the animation industry 2) Has helped the film industry 3) Has inspired

312. ## math

if there are 7 boxes of items and the least amount of items in any one of the boxes is 2 and the greatest amount in any one of the boxes is 4. What are all the possible total amounts of items in the 7 boxes combined?

313. ## math

Suppose f is a linear function such that f(1) = -1 and f(3)=2. Then f(4)=?

314. ## Grammar

She is fascinated to monkeys. Or She is fascinated by monkeys? Which do I use? To or By?

315. ## Discrete Math

A bag contains 4 red, 6 white and 9 green marbles. How many ways can 3 red, 2 white and 1 green marbles be selected? Do you used permutation or combination, give your reasoning.

316. ## Social Studies

What national interests lead to ultranationalism?

317. ## English

I need a paragraph of 50sentences?

318. ## calculus

Find the limits lim_x->2 x^3+x lim_x->2 (x^2-4)/(x-2)

319. ## Social Studies

Which underlying circumstances occurring during the interwar period of 1919 to 1939 may have influenced whether or not nationalist interest was nationalist or ultranationalist?

320. ## Social Studies

List the unique circumstances of the interwar period that may have led to ultranationalism.

321. ## physics

A bullet is ﬁred straight up from a gun with a muzzle velocity of 253 m/s. Neglecting air resistance, what will be its displacement after 2.9 s? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m

322. ## math

1,405ft 1 and 3/4in.cut into 1/2 in.thick slices.how many slices are there?

323. ## math

find the first derivative y= 2/5square root2x+1

7(s-5)=42

325. ## physics

A tennis ball is dropped from 1.24 m above the ground. It rebounds to a height of 1.05 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s 2 . (Let down be negative.) Answer in units of m/s

326. ## chem

a new compound composed of just Hex-Nuts and bolts is formed.A 13.7 Kg sample of the new compound is separated into its component elements with the following result 3.84 kg. of hex-nuts and 9.90 kg of bolts. 1. How many hex-nuts are present in the 13.7 kg

327. ## Math

Find all solutions of the equation (sec(x))^2−2=0 The answer is A+Bk where k is any integer and 0

328. ## physics

A ball is thrown straight up with an initial speed of 60 m/s. How high does it go? Assume the acceleration of gravity is 10 m/s 2 . Answer in units of m 010 (part 2 of 2) 10.0 points How long is it in the air? Answer in units of s

329. ## Calc

Find all solutions of the equation (sec(x))^2−2=0 The answer is A+Bk where k is any integer and 0

330. ## math

Is this the right answer? 42+x-3(x-2)+11 42+8-3(8-2)+11 47×6+11 282+11 293

331. ## Physics

2 resistors 3 Ω and 6 Ω are connected in parallel across a 6 V battery. What is the current flow through the 3 Ω resistor? 6 A 3 A 4 A 2 A Both B and D sound possible to me..

332. ## Social Studies 8 - help!

What kind of business(es) did Vanderbilt control (location, dates number of employees, etc.)?

333. ## Calculus 1

Find the derivative of y with respect to x. y=(x^6/6)(lnx)-(x^6/36) So far this is what I've gotten: y=(x^6/6)(lnx)-(x^6/36) y=(1/6)x^6(lnx)-(1/36)x^6 y'=(1/6)x^5(1/x)+lnx(x^5)-(1/6)x^5 What do I do now?

334. ## Social Studies 8 - help!!!!! (2nd question)

What organizations or buildings named after cornelius vanderbilt? So far I only got Vanderbily University is there anything else????? I google it and that's all it gave me please help me!!!!!

a particle moves in a straight line such that its position x from a fixed point 0 at time 't' is given by x= 5 + 8sin2t + 6cos2t 1. Find the period and amplitude of the particle. 2. Find the greatest speed of the particle. Could you please explain the

336. ## Math

How do you find the percentage of a number? I have no clue how you do that. An example I have is 850 students are attending a camp, 38% of them play musical instruments. What number of people play instruments? I don't get how to solve that and here's

337. ## MATH

HELP? Exam in 20 mins -dont' have any idea how to do this question; please helpp.. anyone! PLEAZE A.S.A.P. minimize p= 15x +18y subject to x+2y= 36 x>=0 y>=0

338. ## math

42+×-3(×-2)+11 × IS 8

340. ## physics

When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm

341. ## maths

BEGGING FOR HELP!!! EXAM IN 20 MINS LOST ON HOW TO DO THIS Q. Company has \$ 20 million dollars for two types insurance. Insurance A-homeowners have a 10% annual return. Insurance B-Auto has a 12% annual return. The total amount of Homeowners Loans should

342. ## Math

What is the volume in cubic feet, of a box that is 3ft long, 8th wide, and 16ft high?

343. ## math

5n+2÷6 N is -4 5×-4=20+2=22÷6 3 4/6

344. ## Calculus

The population (in thousands) of the Tzitzit bird is well described by a function of the form P(t) = ae^kt, where t is the time in years and a and k are constants. If the population was 10 thousand when t-0 and 300 thousand when t=3, determine the

345. ## Chemistry

25.0mL of an acidic 0.100 mol/L tin (II) chloride solution required an average volume of 12.7 mL of potassium dichromate solution for a complete reaction. The amount of concentration of the potassium dichromate solution is _______ mmol/L How do you go

346. ## physics

wile e coyote pushes a 1500n rock toward the edge of a cliff with the road runner below. he gives a rock acceleration of .8m/s^2. what is the net force of the rcok?

347. ## Science 207

As we reach a possible peak in oil production, what alternatives are forming? Consider the role of OPEC, perhaps in reorganizing and monitoring oil production. What do you think is the most viable way to address after effects of this possible peak?

348. ## physics

a wagon is pulled at a constant speed at an angle of 46 dregress with a force of 100N. ehat is the force of friction between the wagon and the ground ?

349. ## math

3a+2-5a=-14 combine like terms right?

350. ## Math

Sare estimated 32x45 by using 30x40. How could Sara make a more accurate estimate?

351. ## accounting

Okay so I need help Identifying the reporting issues in this case with references to the conceptual framework pyramid, such as revenue recognition, full disclosure, historical cost, etc. So this gym offers one year memberships. Members can use any of the

1.48=w+x/10