# Questions Asked onFebruary 7, 2013

1. ## Chemistry

At 298 K, the Henry\'s law constant for oxygen is 0.00130 M/atm. Air is 21.0% oxygen.At 298 K, what is the solubility of oxygen in water exposed to air at 1.00 atm? At 298 K, what is the solubility of oxygen in water exposed to air at 0.896 atm? If

2. ## Chemistry

Calculate the value of Kp for the equation C(s)+CO2(g)2CO(g) Kp=? given that at a certain temperature C(s)+2H2O(g)CO2(g)+2H2(g) Kp1=3.33 H2(g)+CO2(g)H2O(g)+CO(g) Kp2=.733 Please show detailed steps.

3. ## physics

The weight of an object is the same on two different planets. The mass of planet A is only forty-five percent that of planet B. Find the ratio rA/rB of the radii of the planets.

4. ## Physics

In a baseball a pitcher can accelerate a .15kg ball from rest to 98 mi/h in a distance of 1.7m a) what is the average force exerted on a ball during a pitch? b)If the mass of the ball is increased, is the force required of the pitcher increased, decreased

5. ## Physics

A plastic rod is rubbed against a wool shirt, thereby acquiring a charge of −4.9 µC. How many electrons are transferred from the wool shirt to the plastic rod? The elemental charge is 1.6 × 10^-19C.

6. ## physics

a car starts from rest at constant acceleration of 2m/s2 at the same instant, a truck travelling at a constant speed of 10m/s overtakes and passes the car i) how far beyond the starting point will the car overtake the truck ii) after what time will this

7. ## home economics

mention the types of disposal of fullness?

8. ## Languege arts

1. Which is the BEST summary of "LAFFF"? (1 point) Angela used a time machine to win a writing contest. Peter and Angela invented a time machine. Peter used a time machine to travel to the future. 2. The author describes Peter's Halloween costume in order

A rectangular garden 50 m. long and 34 m. Wide is surrounded by a uniform dirt road. Find the width of the road if the total area of the garden and road is 4292 m^2.

10. ## statistics

A study found that 81% of households in the United States have computers. Of those 81%, 92% have Internet access. Find the probability that a U.S. household selected at random has a computer and has Internet access.

11. ## Physics

Why are the tires for trucks carrying gasoline and other ﬂammable ﬂuids manufactured to be electrically conducting? 1. To make the truck easier to drive 2. To move the positive charges from the truck to the ground and avoid ﬁre 3. To neutralize the

12. ## Physics

The parachute on a race car of weight 8,810 N opens at the end of a quarter-mile run when the car is traveling at 34 m/s. What total retarding force must be supplied by the parachute to stop the car in a distance of 1,100 m?

Mary's yard is a mess. She needs to hire someone to prune her trees and shrubs. A landscaping service she calls quotes her a price of \$15 consultation fee plus \$8 an hour for the actual work. Mary's neighbor has offered has offered to help her out. She

14. ## 7th grade science help ASAP 2 questions!

4. Most digestion takes place in the _____. (1 point) large intestine mouth small intestine stomach 5. The large intestine maintains ___________ by absorbing water from the _______, or undigested mass. (1 point) homeostasis; chyme digestion; saliva

15. ## chemistry (please someone help)

lewis acid or lewis base? then draw the product. H3C^+ :NH3 ----> I'm assuming H3C is the acid and :NH3 is the base? As for drawing out the product I don't know what to do.

16. ## physics

A particle starts from the origin at t = 0 with an initial velocity of 5.4m/s along the positive x axis.If the acceleration is (-3.4 i + 4.9 j )m/s^2, determine (a)the velocity and (b)position of the particle at the moment it reaches its maximum x

17. ## Psychology

Freud's techniques and assumptions are most evident in today's A) cognitive therapies. B) behavior therapies. C) biomedical therapies. D) psychodynamic therapies. 3. Just as Chinh began telling his therapist about a painful childhood experience, he

18. ## Science Question

Which of the following statements best describes what is happening in a water softening unit? The hard ions are all trapped in the softener, which filets out all the ions. The ions in the water softener are softened by chemically bonding with sodium. The

19. ## Physics

a projectile is launched in the horizontal direction. It travels 2.050 m horizontally while it falls 0.450 m vertically, and it then strikes the floor. What was the original velocity of the projectile? How long was it in the air?

20. ## chemistry

Which best describes the transition from gas to liquid?

21. ## english

Do you think that Joyce has the ability to beautifully describe scenery? Why or why not? Answer in complete sentences.

22. ## Chemistry (Stoichiometry)

Potassium superoxide (KO2)reacts in the following equation: 4KO2 + 2H2O +4CO2 =4KHCO3 + 3O2 If a person wearing an oxygen mask exhales 0.85 grams of CO2 every minute, how many moles of KO2 are comsumed every 10.0 minutes?

23. ## Spanish

5. Which of the choices correctly answers the question? ¿Cómo se llaman tus abuelos? Mis abuelos se llaman Jorge. *Mis abuelos se llaman Jorge y Berta. Mis abuelos se llama Jorge y Berta. 6. Which of the choices best answers the question? ¿Tienes

24. ## chemistry

A scientist is performing an experiment on a powder. Which of the following is a sign that a chemical change has definitely occurred during his experiment? The powder catches on fire. The powder releases bubbles. The powder heats up. The powder breaks

25. ## Physics

An electroscope is a simple device consisting of a metal ball that is attached by a conductor to two thin leaves of metal foil protected from air disturbance in a jar. When the ball is touched by a charged body, the leaves that normally hang straight down,

26. ## Spanish

1. The term "los padres" refers to a family that has two dads. *mom and dad. dads in general. 2. The term "los abuelos" refers to *your grandparents. your grandfathers. grandfathers in general. 3. The term "los tíos" refers to uncles in general. your

27. ## physics

From a height of 2.15 m above the floor of Boston's Fleet Center, forward Paul Pierce tosses a shot straight up next to the basketball hoop with a KE of 5.40 J. If his regulation-size. basketball has a mass of 0.600 kg, will his shot go as high as the 3.04

28. ## Math

''Dan saved \$463 over the 12 weeks of summer break He saved\$297 of it during the last 4 weeks. How much did he save during the 1st 8 weeks.'' I have to draw a picture,write an equation,and write a variable.I don't know how to draw the picture or do the

29. ## Organic Chemistry

What is the Product of 1,4-Cyclohexadiene + KMnO4?

30. ## physics

a man stands on the roof of a building that is 30m tall and throws a rock with a velocity of magnitude of 40m/s at an angle of 33 degress a bove the horizontal. Calculate the following: a.) The maximum height above the roof reached by the rock. b.) The

31. ## Mathematics

The 3rd and 8th term of an arithmetic progression A.P are -9 and 26.what their common difference nd first term?

32. ## Physics

A person can jump a maximum horizontal distance (by using a 45 degree 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

33. ## algebra

Write an inequality that describes the region of the coordinate plane not included in the graph of y

34. ## Math

Explain It Wendell has a box with 36 cherries He divides the cherries equally among 5 friends and himself. Bonnie received 6 cherries. She thinks she should have received one more. Is she correct? Explain

35. ## Physics

If the gas in a container absorbs 203 J of heat, has 100 J of work done on it, then does 59 J of work, what is the increase in the internal energy of the gas? Answer in units of J

36. ## Physics

At some automobile toll-collecting stations, a thin metal wire sticks up from the road and makes contact with cars before they reach the toll collector. What is the purpose of this wire? 1. To warn the drivers 2. To count the vehicles 3. To transfer

37. ## Chemistry

The activation energy for a certain reaction is 113 KJ/mol. By what factor (how many times) will the rate constant increase when the temperature is raised form 310K to 325K? Answer: 7.6

38. ## organic chem

. Use the Henderson-Hasselbach equation: pH = pKa + log [A-]/[AH], where A- is the conjugate base and AH is the weak acid. Calculate the pH of an acetate buffer in which the acetate concentration [CH3COO-] is 3.5 times greater than acetic acid [CH3COOH].

39. ## Physics

A car owner forgets to turn off the headlights of his car while it is parked in his garage. If the 12.0-V battery in his car is rated at 150.0 A · h and each headlight requires 41.4 W of power, how long will it take the battery to completely discharge?

40. ## math

Use the Pythagorean Theorem to find the missing side length. someone please tell me what the Pythagorean Theorem is?

41. ## physics

A rocket of mass 4.5 105 kg is in flight. Its thrust is directed at an angle of 45.5° above the horizontal and has a magnitude of 7.60 106 N. Find the magnitude and direction of the rockets acceleration. Give the direction as an angle above the horizonal.

42. ## chemistry

assume that 44.3g Na2O are formed during the inflation of an air bag.How many liters of CO2-density=1.35g/L are needed to completely react with the Na2O?Explain

43. ## math

a freight train is traveling 30mph. An automobile starts out from the same place 1 hour later and overtakes the train in 3 hours. What was the rate of the automobile?

44. ## Social Studies

14.What did Hernan Cortes do for Spain in 1521? Conquered the Aztec or Fought the Inca Conquered the Aztec? 15.Which country borders both the Pacific Ocean and Caribbean Sea? Cuba or Panama Panama? 16. People that live in the Amazon Rainforest may lose

45. ## vectors

The position vectors, r km, and the velocity vectors, v km/h, of two boats at a certain time are given by ... Boat A:at 10:00 am rA=6i+10j vA=8i–2j Boat B:at 10:30 am rB=8i+5j vB=4i+j ... determine the time at which boat B should head out so that the two

46. ## Physics

A person can jump a maximum horizontal distance (by using a 45 degree 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

47. ## complex figure

Al was designing some new playground equipment. He used triangular prisms, cones, cylinders, and spheres. He did not use any rectangular prisms or cubes. What do you think his equipment looked like?

48. ## Physics

A train moving with constant velocity travels 190 north in 14s and an undetermined distance to the west. The speed of the train is 36m/s. Find the direction of the train's motion relative to north. How far west has the train traveled?

49. ## Algebra

A ladder reaches a height of 16 feet on a wall. If the bottom of the ladder is placed 4 feet away from the wall, what is the slope of the ladde as a positive number?

50. ## Chemistry

A sample of sucrose(table sugar) with a mass of 1.32g is burned in a 1L bomb calori meter. The temperature changed from 25degree celcius to 27.31 degree celcius. Calculate the heat of combustion of sucrose in units of KJ/mol. The formular of sucrose is

51. ## physicis

A 1.0 kg metal head of a geology hammer strikes a solid rock with a velocity of 5.0 m/s. Assuming all the energy is retained by the hammer head, and that it's heat capacity is 0.11 cal/(gC), how much will its temperature increase?

52. ## physics

An air-traffic controller observes two aircraft on his radar screen. The first is at altitude 800 m, horizontal distance 19.8 km, and 24.0° south of west. The second aircraft is at altitude 1000 m, horizontal distance 17.0 km, and 12.0° west of south.

53. ## science

Which material would have a higher specific heat: a. a material made of heavier particles b. a material made of lighter particles c. the mass of the particles does not affect specific heat

54. ## physics

At what distance is the electrostatic force between two protons equal to the weight of one proton?

55. ## physics

The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force SM that the sun exerts on the moon is perpendicular to the force EM that the earth exerts on the moon. The masses are: mass of sun = 1.99 1030 kg, mass of

56. ## Physics

An ideal refrigerator-freezer operates with a COP = 8.0 in a 28°C room. What is the temperature inside the freezer?

57. ## physics/biomechanics

1. Once a person is in the air during a jump can they modify their path in the air of: a) their head b) Their whole body centre of gravity c) their hip joint (yes or no) 2. To achieve peak horizontal distance on flat ground, what should the angle of take

58. ## SS

If the California Current stopped flowing, the temperature in San Francisco would probably be ____.

59. ## Differential Equations

Locate the bifurcation values of a for the one-parameter family and describe the bifurcation that takes place at each such value. dy/dt=e^(-y^2)+a I got that the equilibrium points will be at -sqrt(ln(a)). I don't know if that is fine. I took the partial

60. ## Chemistry

The burning if 18.0 g of carbon produces 55.0 g of carbon dioxide. What is the theoretical yield of CO2? Calculate the percent yield of CO2.

61. ## physics

If the car has a mass of 0.4 kg, the ratio of height to width of the ramp is 13/125, the initial displacement is 1.9 m, and the change in momentum is 0.87 kg*m/s, how far will it coast back up the ramp before changing directions?

62. ## chemistry

What is the mass of 3 moles of barium? Round to the nearest tenth. Don't forget the units.

63. ## Physics

A tortoise can run with a speed of 14.0 cm/s, and a hare can run exactly 15 times as fast. In a race, they both start at the same time, but the hare stops to rest for 2.00 min. The tortoise wins by 20.0 cm. (a) How long does the race take? s (b) What is

64. ## physics/biomechanics

1. Once a person is in the air during a jump can they modify their path in the air of: a) their head b) Their whole body centre of gravity c) their hip joint (yes or no) 2. To achieve peak horizontal distance on flat ground, what should the angle of take

65. ## Applied Calculus......

Under a set of controlled laboratory conditions, the size of the population of a certain bacteria culture at time t (in minutes) is described by the following function. P=f(t)=3t^2+2t+1 Find the rate of population growth at t = 9 min.

66. ## Physics

A golfer has to hit a ball over a tree that is 12.0 meters high from 40.0 meters away. The ball is hit with speed v at an angle (-) to the horizontal. Neglect any effect due to air. The golfer hits the ball with an initial velocity 30 degrees to the

67. ## math

the 4th term of a geometric sequence is 1/2 and the tenth term is 1/128 find the 10th term?

68. ## math

Nate's front yard was 50 feet wide. each time he pushed the mower along the length of the yard, he mowed a path 24 inches wide. To mow the entire yard, how many times did nate nedd to push the mower along the lentgh of the yard

69. ## Education/Technology

In selecting software for the classroom, it is first necessary to ensure that A) the software features both text and colorful graphics. B) the software is at the correct grade level for your students. C) the software addresses diverse learning styles. D)

70. ## Math grade 8 (algebra)

The perimeter of the square is 2cm longer than the perimeter of the triangle.Write an equation for the perimeter of the square and then determine the length of each side of the square. Thank you in advance.

71. ## Physics

Three identical masses of 700 each are placed on the x axis. One mass is at = -100 , one is at the origin, and one is at = 370 . What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses? Take the

72. ## Physics

A block,mass 20kg,is pulled upwards by a force F along a plane inclined at 30 degree to the horizontal.it accelerate along the inclined plane at 2m.s-2. The surface of the inclined exert a friction force on the block calculate the component of the

73. ## Phsysic

Calculate the acceleration of a 2kg block on a horizontial friction-free air table when you exert a horizintial net force of 20N

74. ## Physics

We want to ﬁnd how much charge is on the electrons in a nickel coin. Follow this method. A nickel coin has a mass of about 4.9 g. Find the number of atoms in a nickel coin. Each mole (6.02 × 10 23 atoms) has a mass of about 58.1 g. Answer in units of

How much time does it take a pulse of light to travel through 120 m of water?

76. ## economics

Thursday, December 4, 2008 at 10:30pm by kim. PHYSICS 1. A 4.0 N force acts for 3 ... The following is a list of figures for a given year in billions of dollars. Using this data, compute: (a) GDP; (b) NDP; (c) NI; (d) PI; (e) DI; (f) Net exports

Explain It How can you suse a multiplication fact to find a division fact?

78. ## CONSUMER MATH

Divide 7/24 by 35/48 and reduce the quotient to the lowest fraction.

79. ## space science

What other challenges do you think there would be for engineers designing a spacecraft to travel to mercury?

80. ## Physics

A block,mass 20kg,is pulled upwards by a force F along a plane inclined at 30 degree to the horizontal.it accelerate along the inclined plane at 2m.s-2. The surface of the inclined exert a friction force on the block calculate the component of the

81. ## Physics

In a crystal of salt there are electrons and positive ions. How does the net charge of the electrons compare with the net charge of the ions? 1. Unable to determine 2. Sometimes the net charge of the negative electrons is greater than the net charge of the

82. ## science

1. When you hold a piece of chocolate in your hand, why does the chocolate melt? 2. Which is a larger unit of heat: calorie, kilocalorie, Btu, or joule?

83. ## Mechanics

A hunter aims directly at a target on the same level of 120m away. a.) If the bullet leaves the gun at a speed of 250m/s, by how much will it miss the target? b.) At what angle should the gun be aimed so the target will be hit?

84. ## physics

calculate the acceleration of 2kg block on a horizontial friction-free air table when you exert a horizontal net force of 20N.

85. ## math

The school choir members have collected 6,000 aluminum cans. If the recycling center pays \$2 for 500 cans, how much money will the choir earn?

86. ## physics

whaat happens to the potential energy lost by hammer of pile driver when it falls through a distance and drives a piling into the ground?

87. ## economics

data collected in the imaginary economy of karabekiar reveals that when price of bork increased by 20%, the quantity of bork sold decreased by 15% and the quantity of perf demanded decreased by 10% what is the cross-price elasticity of demand between perf

88. ## MCNDHS

some chemical interaction in a human are shown in the graph below.this graph represents hormons events in the

89. ## CHEM

How many grams of magnesium chloride are needed to prepare 100ml of a 0.325 M MgCl2 solution?

90. ## Movement and Music

Can you please check my semester exam before I turn it in? 1. Children who do poorly in school are primarily ______ learners. a. Auditory b. Kinesthetic c. Spatial d. visual My answer: c 2. A movement program that emphasized divergent problem solving,

91. ## phsicsy

a liquid with density of 1.36*10^3 kg/m^3 through two horizontal sections of round tubing joined end to end. in first section, diameter of the tubing is 10cm and the flow speed is 230cm/s and the pressure is 1.3*10^5, the diameter is 6 cm a the cross

92. ## Science

How would your life be affected if a magnetic-storm shut down electricity in your city?

93. ## chemistry

What is the molarity of the solution containing 6.245g of oxalic acid, H2C2O4 in 750mL

94. ## maths-urgently needed

ABCD is a trapezium, P and Q are mid points of the diagonals AC and BD. If AB=17cm and CD=9cm then the length of PQ is equal to

95. ## Math

In an experiment with light, Rodney used 6 square polarized filters, 3 in. on a side. What was the total surface area of the filters? Count one face only for each filter.

96. ## Social Studies

26.The oil industry in Mexico is owned by the People or GOvernment Government 27.Many production companies have built facilities in Latin America because of Cheap labor or no taxes no taxes? 28.Who was the first president in 70 years that was not a member

97. ## Chemistry

I don't really understand why unit analysis works. I found a simple example on a website (I can post the link in a comment if you want). It says, For example, convert 18 grams of water to moles. The molar mass of water is 18 g/mol; therefore : 18g H2O x 1

98. ## Just some LA q's, Ms.Sue please

1. When you summarize an informational article, you should (1 point) leave out minor details. use the author's words, including direct quotations. leave out important details. include as much information as possible. 2. Why might a scientist choose to

99. ## physical

The mass of the earth is 5,96 multipy by 10 to the power of 2) kg and that of the moon 7,35 multiply by 10 to the power of 22kg.If the distance between their centres is 3,84 multiply by 10 to the power of 8m,calculate the mass of each ball.

100. ## science

The temperature increase of an object depends on: a. its mass b. its velocity c. the material from which it is made d. answers a and c e. none of the above On a night at the beach, which would you expect to cool faster: the ocean water or the beach sand?

101. ## maths-urgently needed[Differential equations]

solve- dy/dx = 2xy + (y^2/x^2)

102. ## algebra

The model t=100+12 x represents the cost, in dollars of renting a car, where x is the number of days the car rented. What’s the total rental cost if one rents the car for 5 days.

103. ## physics

A tennis ball is struck and departs from the racket horizontally with a speed of 26.7 m/s. The ball hits the court at a horizontal distance of 18.7 from the racket. How far above the court is the tennis ball when it leaves the racket?

104. ## Physics

Two identical rods are placed end to end, separated by a gap of width D. Each rod has charge Q spread uniformly along its length L. Calculate the force between the rods. I need some help. My teacher doesn't give us much help. Thank you!

105. ## geometry

a rectangle PQRS inscribed in a quadrant of circle of radius 13cm. find area of rectangle.

106. ## physics

A patient has a far point of 29.2 cm and a near point of 24.2 cm. What power (in diopters) should be prescribed to correct the patient's vision using: (b) glasses which are worn 0.5 cm away from the patient's eyes?

107. ## math

a bank teller has 54 in \$5 and \$20 bill s. the total value is \$780. how many 5 dollars are there

108. ## Algebra 1

In 1991, the federal minimum wage rate was \$4.25 per hour. In 1997, it was increased to \$5.15. Find the annual rate of change in the federal minimum wage rate from 1991 to 1997.

109. ## SS

During an occluded front, a fast-moving cold front overtakes a slower moving ____ front.

110. ## Science

What subjects, other than astronomy, would astronomers have to study in order to discover black holes?

111. ## social studies

how did the civil war in 1861 affect texas

112. ## health

You can find ways to manage stress by ________. A. Keeping what’s causing your stress to yourself B. Dismissing any signs of stress C. Pushing yourself to work harder D. Getting active and eating healthy i think its B

113. ## physics

When an ideal mono atomic gas is allowed to expand slowly until its pressure is reduced to exactly half its original values, by what factor does the volume change if the process is adiabatic.

114. ## helath

If you’ve decided to lose weight then ________. A. Even modest weight loss can lead to big health benefits B. Modest weight loss can lead to little health benefits C. Large weight loss can lead to little health benefits D. Little weight loss can lead to

115. ## chemistry

Calculate the molarity of a solution that contains 48g of NaCl in 250ml of solution.

116. ## world history

The development of an atomic bomb by the United States did which of these? A. pressured German leaders to surrender B.increased tensions between Truman and Stalin C. worried the leaders of France and Great ritain D.led Stalin to postpone a Soviet invasion

117. ## science

Which of the following would require more energy to heat it from 10°C to 20°C? a. 200 kg of water b. 200 kg of aluminum c. 100 kg of steel How much heat energy is required to raise the temperature of 20 kilograms of water from 0°C to 35°C?

118. ## calculus

find the perimeter of the norman window if a= 11 ft and b= 14 ft

119. ## math

John has 3 unique coins such that the probability of obtaining a head when the coin is flipped is 1/10, 2/10 and 3/10, respectively. If he flips each of the 3 coins once, the probability that at least 1 heads appears is p. What is the value of 1000p?

120. ## Spanish

9. Which of the following says "my sister's birthday? *mi hermana's cumpleaños mi hermana de cumpleaños el cumpleaños de mi hermana mi hermana de cumpleaños 10. The Quinceañera is for a girl who is turning 16, similar to a "coming out party" you might

121. ## CHEM

How many grams of sodium chloride are required to prepare 1.00 liter of a 1.00M NaCl solution?

122. ## CHEM

What is the molarity of potassium iodide solution prepared by adding 5.810g of KI to sufficient water to make a final solution volume of 250.0mL?

123. ## Soc. Studies

The Industrial Revolution led to changes as the U.S. became more economically independent. Which of these changes occurred during this time? A. Cities began to grow, because individuals moved from farms looking for education. B.Low taxes allowed people to

124. ## Phys

Three blocks on a frictionless horizontal surface are in contact with each other. A force F is applied to block A (mass mA). (a) Draw a free body diagram for each block. I've drawn it and it looks like this, but I'm not sure if I'm including everything.

125. ## Physics

A car traveling at 5.0 m/s accelerates at the rate of 0.8 m/s2 for an interval of 3.0 s. Find vf.

126. ## Biology

Hey I am doing a lab, the link is down h t t p : //w w w . sd67 . bc . ca/schools/salc/biology%2012/module%20c%20-%20human%20biology/unit%2010%20-%20respiratory%20system/Homeostasis%20Lab .pdf And I really would like help with #1 My data is right here Pre

127. ## biology

JANUARY 2009. This graph represents hormons and events in the 1.process of fetal growth and development. 2.process of meiotic cell divission during sperm dev elopment. 3.reproductive cycle of males. 4.reproductive cycle of females. i have to choose one of

128. ## Environmental Science 11th grade

If half of a quantity of radioactive material decays in 10 years, in another 10 years?

129. ## TO MS SUE

REMEMBER WHEN I POSTED THIS QUESTION. 1 litre can of paint covers 11m squared. How many cans of paint would you need to cover a perfectly square ceiling that has a side length of 5.2 m? If paint caosts \$29.95 per can and there is a 12% tax. How much would

130. ## Maths

Determine how long in years it will take the value of a motor vehicle to decrease to 25% of its original value if the rate of depreciation based on the reducing balance method is 21% per annum?

131. ## math

could you use doubling to multiply 7x3? explain.

132. ## asap

To get to school Eliza walks east to the corner of her street and then turns north 90 degrees to the left when she reaches the school she realizes that she forgot her lunch and turns southwest 144 degrees to the left to face her house she then walks

133. ## grammar, contractions and negatives

No one, or Someone who bought a car for transportation was not considered sane.

134. ## chemistry

The gaseous product of a reaction is collected in a 30.0 L container at 37 degrees C. The pressure in the container is 2.5 atm and the gas has a mass of 85.0 grams. What is the molar mass of this gas? I know the correct answer is 28.8 g/mol but I need to

135. ## geometry

Name the diameter, radius, center, and the equation of the circle with a diameter that has endpoints at (-3, 4) and (5, -2).

136. ## math

Find the % of Discount Regular Price \$90 Sale Price \$22.50

137. ## Math

Sandra used a triangular prism 10 cm long to refract light into the spectrum. Each triangular end had an area of 3.5 cm squared and sides 3 cm, 3 cm and 2.6 cm. What was the surface of the prism?

138. ## Science

The concentration of k ions inside the nerve cell is about 20 times greater than concentration of these ions outside the nerve cell.what potential difference between outside and inside of the cell would you expect to measure if ths was only due to the

139. ## physics ^^^^^^^^^

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

140. ## Physics

How to calculate a gravitational force exerted on the paralle to the incline if its mass is 20kg is pulled upwards by a force inclined at 30 degree to the horizontal nd it accelerate along the incline plane at 2m.s-2?

141. ## Algeba - Math

A truck rental company offers two plans. One rental plan is \$78 per day and \$.12 per mile driven. Te other truck plan offers no daily fee but it is \$.36 per mile driven. Determine the number of miles that must be driven in one day for the cost to be the

142. ## physical

Prove that the SI unit of gravitatinal feild strength,N.kg to the power of minise 1,is equivalent tothe SI unit of acceleration due to gravity,m.s-2.

143. ## SS

Earth’s oceans cover nearly ____ of Earth’s surface.

144. ## Applied Calculus......

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x)=6x-5x^2 at (-2, -32) I have to use the four step process, but seem to be getting stuck...

145. ## physics

A patient is going to be prescribed bifocals which will be 2.50 cm from the eye. The prescribed powers (in diopters) for the bifocals are +1.60 and -0.40, and these bifocals give the patient normal vision. (a) Without the bifocals, what is the patient's

146. ## physics

4) Suppose the radius of a bicycle wheel is 20 cm. If it rotates at 1 complete rotation per second when you are riding the bicycle, a. What will the tire’s angular velocity be in rad/s?

147. ## Differential Equations

Locate the bifurcation values of a for the one-parameter family and describe the bifurcation that takes place at each such value. dy/dt=e^(-y^2)+a I got that the equilibrium points will be at -sqrt(ln(a)). I don't know if that is fine. I took the partial

148. ## math

Gina read 35% of her 140 page book how many pages did she read?? Show all your work

149. ## Social Studies

1. Rivers that flow into larger bodies of water are called Tributaries or creeks Tributaries 2.Most of Latin America lies within a climate region called the Dry Zone or Tropical Zone Tropical Zone 3.The weather phenomenon El Nino is caused by Earthquakes

150. ## trigonomery

Show that the following statement is true by transforming the left side into the right side. sin θ tan θ = csc θ

151. ## physical

A mass of 1kg on the earth is attracted with a force of 9,8 N.The raduis ofthe earth is 6,38 X 10m,calculate the mass of the earth.

152. ## physics

A clear plastic tube with a diameter of 12cm and 110cm high is filled to the top with mercury. (density = 13.6 kg/m^3). There are three holes, all with a radius of 2 millimeters located 15cm from the bottom, 50cm from the bottom and 80cm from the bottom.

153. ## Medical coding

Which of the following would be coded within the HCPCS Level II series code range of A4206-A8004? A. Ambulance ride to an emergency department. B. Artifical Kidney machine c. Commode chair d. Sterile needle HCPCS Level II drugs are listed mainly in which

154. ## SS

Which of the following describes why waves form?

155. ## urgent urgent urgent

A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps. •Explain the chemical

156. ## health

In order to lose weight you have to ________. A. Burn more calories than you consume B. Eat less C. Burn less calories than you consume D. Eat more i think its b

157. ## math

It takes approximately 15 minutes to code one record. How many personnel hours would be needed to code 1,424 discharges for the month? Round to the second decimal point and show your work

158. ## chemistry

lewis acid or lewis base? then draw the product. H3C^+ :NH3 ----> I'm assuming H3C is the acid and :NH3 is the base? As for drawing out the product I don't know what to do.

159. ## math

the pizza was cut into 10 slices two people ate 4/5 of it they did not eat the same amount how many slices might each have eaten?

160. ## Statistics Helppppp

Invent a dataset with five values, with a mean smaller than the median and both the mean and median smaller than the standard deviation. give the data values and the statistics. Mean= Median= Standard Deviation=

161. ## physical

The mass of the earth is 5,96 multipy by 10 to the power of 2) kg and that of the moon 7,35 multiply by 10 to the power of 22kg.If the distance between their centres is 3,84 multiply by 10 to the power of 8m,calculate the mass of each ball.

162. ## health

hat is physical stress? A. A physical reaction of the body to various triggers B. A physical reaction of the mind to various triggers C. A physical reaction of the soul to various triggers D. A physical reaction to the heart to various triggers i think its

163. ## social studies

how did the conscription act affect texas

164. ## Math

The Midtown Middle School cheerleaders earned \$175 at a car wash. If this amount is 25% of the cost of a new set of uniforms, what is the total cost fora a set of uniforms? Explain your reasoning.

165. ## math

I need help for these two problems and if I can get the steps thank you. 1.solve for x: 0.34=1/(1+x)carrot3 2.If you buy a share of stock for \$15 and sell it 2 years later for \$18.50, what is the annual percentage return (on a compound basis) that you

166. ## Science

How does the temperature change in the sun's atmosphere differ from the temperature change in the sun's interior?

167. ## math

A skateboard is on sale for 85% of the regular price if it is regularly priced at \$40, how much is the sale price show all of your work below

168. ## algebra1

(msqaured+3) (5m+n) is the answer 5mcubed+17mn+3n

169. ## Math

1. Sam has some square tiles. The sides of each tile are 1 inch long. How many tiles would she need to make a square with sides that are 4 inches long?

170. ## Grammar

Change the second sentence in each of the following pairs into an adjective clause. Then, make the adjective clause part of the first sentence. You may have to add commas before and after some of the adjective clauses. 1). The West Bank is in the

Physics

172. ## science

why is it important that the tumble dryer's plug has properly connected earth wire?

173. ## geometry

if hieght 10 cm and radious =7cm of cone then what is the total surface area.

174. ## Grammar

thruout history, traveling traders and merchants took home new product such as tea, spices and fabrics as a matter of fact that's one reason civilizations changed.

175. ## SS

The water for Earth’s oceans originally came from ____.

176. ## Probability

A nickel is flipped and a dime is flipped. 1. What is the probability of obtaining exactly one head? A bag contains five balls numbered 0 through 4. Two balls are chosen at random in succession. The first ball is replaced before the second is chosen. 1.

177. ## writing

I need help to write a summery for the open univercity please write for me one Thanks

178. ## social studies

Most of the Jewish population is_______ in their religious beliefs.

179. ## Chemistry

What is the mass of lithium chloride in 27.8g of a 4.85% (m/m) LiCl solution?

180. ## Science

What are the types of proteins and their biological value?

181. ## math

Find the % of Discount Regular Price \$72 Sale Price \$60

182. ## Algebra

What is the fourth root of 4^4^4? A long wire is cut into three smaller pieces in the ratio 7:3:2. If the shortest piece is 16 cm, what is the area of the largest rectangle that can be created using the longest piece? Find the value of x in the equation

183. ## Physics

Find positions on the x axis for the charges Q1 = -1 C and Q2 = +3 C so that the electric field is zero at x = 0.

184. ## math

1. Rachel, Olivia, and Deon make their own pizzas. All three pizzas are the same size. a. Rachel cut her pizza into four equal pieces and ate three pieces. What fraction of the pizza did she eat? b. Olivia cut her pizza into eight equal pieces and ate five

185. ## physics

A rocket is fired at a speed of 91.0 m/s from ground level, at an angle of 49.0 ° above the horizontal. The rocket is fired toward an 21.4-m high wall, which is located 25.0 m away. The rocket attains its launch speed in a negligibly short period of time,

186. ## Soc. Studies

A boundary was set between Canada and the United States as a result of? A. the Convention of 1818 * B. the Louisiana Purchase C. the Missouri Compromise D. the Monroe Doctrine I think A is the answer but the question is "as a result of" so I question B?

187. ## Physics 202

Find the period of a satellite with a circular orbit 350 above Earth's surface.

188. ## ordering fractions

order these fractions 1/3 1/8 1/6

189. ## medical coding

what is the corresponding HCPCS Level II code for HCPCS Level I code 96360? a. S9373 b. S9374 c. S9376 d. S9375 In what category do you code administration of Procit if not identified by Levels I or II? a. A codes b. G codes c. J codes d. Q codes Which of

190. ## chemistry

Iwish to prepare 3% NH3 from 20ml strong NH4OH and 180ml H2O.Can you help me?

191. ## English

What is best way to combine the two sentences? Some bands wear uniforms. Some bands play marches. 1> Some bands wear uniforms, and some bands play marches. 2. Some bands are wearing uniforms and marching. 3. Some bands wear uniforms and play marches. 1 is

192. ## Physics

Two identical rods are placed end to end, separated by a gap of width D. Each rod has charge Q spread uniformly along its length L. Calculate the force between the rods. I need some help. My teacher doesn't give us much help. Thank you!

193. ## Algebra 1- Math

Solve by elimination 2x-3y=-3 3x-3y=18

194. ## Algebra 1- Math

Solve by elimination 2x-3y=-3 3x-3y=18

195. ## SS

Upwelling occurs when ____.

196. ## math

A car could go 30 miles on 1 gallon of gas. How far could the car go on 8 gallons of gas?

197. ## Education/Technology

If a teacher wants his or her students to create a slide show that features digital pictures of students demonstrating projects the students have completed, the best software to use would be: A) Presentation software. B) Spreadsheet software. C) Database

198. ## chemistry

What is the volume in liters of a 0.760M K3PO4 solution containing 220.9g of potassium phosphate?

199. ## chemistry

How many grams of rubidium chloride are present in 125.0 mL of a 1.75M RbCl solution?

200. ## math

A man sells a nut mixture consisting of 1/3 pecans and 2/3 cashews. Pecans cost 3 times as much as cashews. if a pund of the mixture costs him \$0.40, how much did he pay for a pond of cashews? a pound of pecans?

201. ## english

after so many years of (strife strand)-in business, politics, and the family-he wants only to retire to the peace and quiet of his ranch. strife? we should respect our national leaders,but we should not (idolize discredit) them and assume they can do no

202. ## Round t Numbers2-Digi

It rounds to 30. The number of ones is greater than the number of tens. It is greater than 30. What number is it?

Please this is super duper important do you know where i can read the full book of room one by andrew clements

204. ## math

u have 15 white tiles. if u add some black tiles so that 3 out of 4 tiles are white, how many black tiles will u need?

205. ## Math

A person invests \$4500.oo into 2 different mutual funds. The first has a 4.5% interest rate the second 6%. He made a total of \$225 in the investment. How much did he invest in each fund?

Lourdes ate 25% of a sandwich. Mitch ate 50% ot a different sandwich. Mitch claims that he ate the same amount as Lourdes. Explain how this is possible. Please answer and explain

207. ## Language

1. The distance to the finish line seemed (endless). 2. I have ever ran so (fast). 3. Eli ran a surprisingly (fast) time in the trial. 4. He walked (confidently) to the starting blocks. 5. Is the high jump the first (field) event? 6. We looked (exhausted),

208. ## Chemistry

How much energy as heat is removed from the hand when 5.00 grams of Ga initially at 20 degrees C melts? The value of Heat Fusion is 5.576 kJ-mol and the specific heat of Ga is 0.374 J-g-K. Take the final temp to be 29.76 degrees C.

209. ## math

a florist has 9 dozen roses. all are either red or white. he has 44 more red than white, how many white roses does he have?

210. ## Math HELLPPPPP

Invent a dataset with five values, with a mean smaller than the median and both the mean and median smaller than the standard deviation. give the data values and the statistics. Mean= Median= Standard Deviation=

211. ## L o

What the basic conditions of employment Act applies with regard to the contraventions

212. ## SS

A storm with winds over 120 km/h that can last several weeks is a ____.

213. ## college physics

a rice grain is sitting on top of an apple, it slides down. where does it come off the apple? assuming the apple is a frictionless sphere. Find the angle with respect to the vertical diameter of the apple.

214. ## Maths

Rs 10000 from 8th may to 26 november 10% ?

215. ## SS

Which of the following describes how water molecules move in a wave?

216. ## math

Jon and Anne had an equal aount of money. Jon spent \$10. Anne spent \$30. Now Jon has 2x as much as Anne. How did they each have at 1st?

217. ## Chemistry

If a 8.0mL sample of blood plasma has a mass of 8.223g and contains 1.233g of urea, what is the mass/mass percent concentration of urea in the sample?

218. ## Chemistry

Cow's milk contains 32g of protein in 1052g of milk. What is mass/mass percent concentration of protein in the milk?

219. ## Chemistry

What is the mass of a 8.64% (m/m) AlCl3 solution containing 7.59g AlCl3?

220. ## math

if it takes 2 cups of peanut butter for every 3 1/4 cups of flour how many cups of flour are needed for 5 cups of peanut butter

221. ## math

A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3?

222. ## math

Find the % of Discount Regular Price \$25,000 Sale Price \$22,000

223. ## health

What can a parent do to help their child develop a positive body image? A. Watch television with their child and discuss the media images that they see B. Criticize the child for what he or she eats C. Force the child to exercise without breaks D. Withhold

224. ## U.S History

The development of an atomic bomb by the United States did which of these? A. pressured German leaders to surrender B.increased tensions between Truman and Stalin C. worried the leaders of France and Great ritain D.led Stalin to postpone a Soviet invasion

225. ## health

Extreme efforts to lose weight among teenagers can lead to ________. A. Obesity related illnesses B. Eating disorders C. More energy D. High self-esteem i think its b

226. ## Science

A car of mass m travelling at 20 m/s east on a straight level road and a truck of mass 2m travelling at 20 m/s west on the same road. What is the velocity of the car relative to the truck?

227. ## chemistry

I have no idea how to begin solving these problems... Calculate the normality of a 1.0 molal solution of each of the following acids: a. HCl b. H2SO4 c. H3PO4 Calculate the molality of a 1.0 normal solution of each of the following acids: a. HCl b. H2SO4

228. ## Math

What would be the second number in row 23? Row 0= 1 Row 1= 1 1 Row 2= 1 2 1 Row 3= 1 3 3 1 Row 4= 1 4 6 4 1 A.1 B.23 C.44 D.46 B?

229. ## Math

This chart shows how high a ball bounces when dropped from different heights If this ball is dropped from 350 in how high will it bounce? Drop in inches Bounce Height 50 25 100 50 150 75 200 100 A.200 B.175 C.150 D.120 B?

230. ## Math 9

My family went to starbucks. We ordered 3 drinks. My daughter's drink was .90 cents less than my drink and my sons drink was \$2.20 more than my drink. The total bill was \$12.90. How much was each drink? Use algebra. k so i did this: x+ (x-.90) + (x+2.20) =

231. ## Math

Tim was on an exercise program that required him to do one push up the first day and double the numberh e does each day How many push ups will he have to do on the eigth day 10 16 64 128 16?

232. ## Math

Write an equation you could use to solve each problem. Solve each equation by systematic trial. Josie had only nickels in her purse. The value of the coins was 80 cents. How many nickels were in Josie's purse?

233. ## Algebra 2

Solve and Graph: ( i know that second part would be difficult but can you possibly explain it more) -3©¦x+4©¦-5 ¡Ý 10 Please explain. I would really appreciate it. I'm not in school, i'm homebound and mom will not allow me to attend tutuoring at

234. ## geometry

in a triangle D =h+4, area of triangle is 120 sq .cm . then find the base and height of triangle

235. ## maths

Consider the polynomial f(x)=17x4+21x3+60x2+Ax+B. Suppose that for every root λ of f(x)=0, 1/λ is also a root of f(x)=0. What is the value of A+B?

236. ## Grammar

Combine each pair of sentences by changing one of them into an adverb clause. 1). Jerusalem is a great vacation destination. It is filled with interesting historical sites. 2). Traveling through the desert in Israel can be tiring for visitors. Temperatures

237. ## language

which passages in this excerpt were especally stirring?

238. ## SS

The layer in the ocean where the temperature varies with depth is called the ____.

239. ## math

the 4th term of a geometric sequence is 1/2 and the tenth term is 1/128 find the 10th term?

240. ## Math

Sue and bob both jumped rope to raise money. Together they earned \$24. Sue earned twice as much as bob. How much money did each earn?

241. ## Algebra

Linear Function graphing. y=-x ???

242. ## math

a wheel is 68cm. how far does it roll after two complete turns or revolution. find the circumference of the circle.

243. ## physics

which way do electric-field lines point, from high to low potential or from low to high? Explain please

245. ## philosophy

I am suppose to identify some of the features and values you associate with a just society. I want to write about healthcare but i don't know where to start can someone please help.

246. ## healh

Posture, ________, is maintained as a result of muscle contraction. A. Such as singing and painting B. Such as sitting and standing C. Such as jumping and skipping D. All of the above

247. ## World History to 1500

My history professor has asked that we present 3 possible research paper topics to her based on mythology or a belief system that may influence present time. I am having trouble with this. I have lots of ideas. .reincarnation, karma, paganism..even

248. ## history

How mr andrew treat his workers

249. ## Language

1. We arrived (late) for the track meet. 2. The locker room smelled (musty). 3. Will the first event begin (soon)? 4. The (anxious) participants filled the bleachers. 5. Can you line up (quickly)? 6. I can't believe I finished (first)! 7. Is the high jump

250. ## chemistry

If 4.32 g of Cu combines with 1.09 g of S to form 5.41 g of chalcochite, what is the empirical formula of chalcochite?

251. ## Biology

You are studying a large population of claims of which 396 are pink (t) and 557 are Tan (T). Tan clams are completely dominant over pink clams. Calculate the following: 1. The frequencies of each allele. 2. The expected genotypic frequencies. 3. The number

252. ## math

Simplify x-y/3x+3y

253. ## math

a coat,shirt and tie cost \$300. coat costs twice as much as the shirt. shirt cost \$40 more than twice the cost of the tie. what are the cost of each item?

254. ## algebra

If x+y= 12 and xy equals 50, what does x squared plus y squared equal to?

asked by We have a competition tomorrow xD Help!
255. ## math

Someone has a 1 in:32 in scale model car. the length of the model car is 6 inches. what is the actual length of the car?

256. ## Math

Emil had great luck at the game,but Kim did not. Together they won 16 prizes. Emu won 10 more than Kim. How many did each win?

257. ## math

Find the % of Discount Regular Price \$125 Sale Price \$100

258. ## math

write each expression in terms of sine and cosine: csc^3 theta/cot theta * tan^2 theta/sec^2 theta

259. ## Education/Technology

Removable media are useful for a classroom teacher because they A) are read only. B) cannot be erased accidentally. C) have the greatest capacity of any storage device. D) are portable. I believe the answer is C, is this right?

260. ## complex figure

Gab was told she needed to construct a sign using 2 cylinders, 2 cones, a rectangular prism, and a triangular prism. What do you think her sign looked like?

261. ## Earth Science

If a tree has grown out of the side of a rock cliff and a house was recently built on the land above causing the tree a lot more rain water to run off where the tree lives, it's roots have started to be exposed and are now growing faster and bigger with

262. ## Social Studies

what was travel in east Africa in the past like?

263. ## math

the product of 16 and c is increased by 6 to equal the qoutient 25 and 9. what is c?

264. ## AP Human Geography

What is a simile for Hungary and Translyvania?

265. ## Algebra 2

Solve for a: Y= a+b/over/n make sense? Y= a+b --- n

266. ## Math

An employee has a certain percentage of her paycheck put into a retirement fund. The table shows how y the amount withheld is based on x dollars earned Which of the following entries could be another line from this table? X Y 500 25 1500 75 1800 90 A.x 750

267. ## Accounting

An index fund is autu fund that My answer is invest s only uncertain kinds of stock, such as those related to transportation

269. ## college algebra

I you are given two real numbers, explain how to determine which one is lesser.

270. ## health

t is recommended that a person ________ to manage and reduce stress. A. Talk to family and friends B. Eat more frequently C. Beat oneself up D. None of the above i think its A

271. ## Chandra

What is the colour of KI3

272. ## math

How do you explain to a 3rd grader that 1/2 + 1/8 > 1 whole

273. ## Math

09+36=75 05+04=23 08+01=63 06+16=32 09+09=78 03+09=6 03+81=?? Can u solve & share the logic behind this??

274. ## To :: Ms.Sue

Ms.Sue when you answered my question you said x= 3.87 but then the daughters drink would be \$2.97 and the sons drink would be \$5.97 not 6.07 and the total wouldnt add up to \$12.90, it would add up to 12.81.... i don't get this

275. ## math 3

Damian run1/10 of a mile. then, he walks 1/10 of a mile. Finally, he jogs 1/10 of a mile. if he continues the pattern, which activity will Damian do next after he finished 1 mile of exercise?

276. ## math

what is the common ratio for this geometric series? 15 11 7 3 .5

277. ## Algebra

equivalient expression without using grouping symbols [5n-m-2p]

278. ## History

Which of the following examples would be necessary for a country with a mercantilistic economy. The printing and usage of a international currency for all countries The devaluing of a national currency to inflate prices and create an artificial demand for

279. ## Chem ap

What is the concentration of cations of a 2 molar CoCl3 solution?

280. ## Calculus

I need help solving the integral of t * e^-3t dt I know that I have to solve using integration by parts and so I've let u=t to rid of dt and dv=e^-3t which I believe would yield -(1/3) * e^-3t as v. Am I doing this correctly? Thanks. I appreciate the help.

281. ## Algebra

Simplify (1-1/3)(1-1/3)(1-1/4)(1-1/5) . . . (1-2013) I really need to understand this. I don't care about the answer. XD

282. ## mat

To fill square that was 2 feet by 2 feet .what was the area of concrete poured?

283. ## math

13 2/9 - 8 8/9

284. ## CHEM

What is the molarity of a calcium sulfate solution prepared by adding 27.89g of CaSo4 to sufficient water to make a final solution volume of 1.00L?

285. ## Education/Technology

A teacher takes daily attendance and enters grades for report cards. This would be best served by software managed at which level? A) District level. B) Classroom level. C) Statewide level. D) National level. I think the answer is B but would like a second

286. ## Environmental Science 11th grade

The process of separating 238-U to produce material containing a higher concentration.

287. ## math

Find the % of Discount Regular Price \$25,000 Sale Price \$22,000

288. ## HARD PHYSICS

which way do electric-field lines point, from high to low potential or from low to high? Explain please

289. ## ela

how do i write a essay

290. ## health

What type of questions should a patient ask a doctor before getting cosmetic surgery? A. How many years has the doctor performed the surgery B. Who administers the anesthesia C. In which state is the doctor licensed to practice surgery? D. All of the above

291. ## Math

Mary sells roses for \$24.98 a bunch. At the end of the day she had collected \$274.78. How many bunches of roses did she sell?

292. ## Algebra

What is x when 6(x+4)+4(x+5)=74

293. ## Spelling

How is the word dissolution related to the word solution?

294. ## Math

A nickel is flipped and a dime is flipped. 1. What is the probability of obtaining exactly one head? A bag contains five balls numbered 0 through 4. Two balls are chosen at random in succession. The first ball is replaced before the second is chosen. 1.

295. ## maths-urgently needed[Differential equations]

solve- dy/dx = 2xy + (y^2/x^2)

296. ## Maths

Explain prisms

297. ## math

how do i get the mixed number 3 7/4 in to simplest form

298. ## Chem

What structure do you get when you mix benzoic acid with H3O+? Where benzoic acid is a benzene ring with COOH attached to one of the hydrogens in the ring? Please help!

299. ## Math

An employee has a certain percentage of her paycheck put into a retirement fund. The table shows how y the amount withheld is based on x dollars earned Which of the following entries could be another line from this table? X Y 500 25 1500 75 1800 90 A.x 750

300. ## Algebra 2

A teacher announces that exams count 20% of the 1st quarter's average. If a student has a 75 average, what must he get on his exam in order to bring his grade to at least to an 82?

301. ## Algebra 2

Solve for b: T= 3/over/4 ab make sense? T= 3/4 ab

302. ## Algebra

What is x when 6(x+4)+4(x+5)=74

303. ## Math

2. Jacob cuts a square pyramid along the edges. What shapes does he now make and how many of each shape are there?

306. ## SS

Which of the following influences ocean tides?

63=9x-9

308. ## lois craig

how to dew arrays and an expanded algorithm