# Questions Asked onSeptember 8, 2012

1. ## Chemistry

What is ΔG at body temperature (37.0° C) if the concentration of A is 1.7 M and the concentration of B is 0.50 M?

2. ## pyhsics

A cannonball is shot (from ground level) with an initial horizontal velocity of 36.0 m/s and an initial vertical velocity of 21.0 m/s. 1) What is the initial speed of the cannonball? 2) What is the initial angle θ of the cannonball with respect to the

3. ## accounting

Logan Products computes its predetermined overhead rate annually on the basis of direct labor-hours. At the beginning of the year, it estimated that 38,000 direct labor-hours would be required for the period’s estimated level of production. The company

What is the silver ion concentration in a solution prepared by mixing 433 mL of 0.356 M silver nitrate with 467 mL of 0.574 M sodium phosphate? The Ksp of silver phosphate is 2.8 × 10^-18

5. ## Chemistry

If your body develops a charge of -17 (microcoulombs), how many excess electrons has it acquired, and what is their collective mass?

6. ## Trigonometry

The hypotenuse of a right triangle is 34cm. find the length of the two legs, if one leg is 14cm longer than the other.

7. ## physics

A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 9.3 m from the takeoff point. If the kangaroo leaves the ground at a 17.6 degree angle, what is its takeoff speed?

8. ## Chemistry

How many carbon atoms are there in a diamond (pure carbon) with a mass of 50 ?

9. ## physics

A motorcycle daredevil wants to ride up a 50.0 m (50.0 m long, not 50.0 m high) ramp set at a 30.0° incline to the ground. It will launch him in the air and he wants to come down so he just misses the last of a number of 1.00 m diameter barrels. If the

10. ## PHYSICS

A circular loop of flexible iron wire has an initial circumference of 168cm , but its circumference is decreasing at a constant rate of 15.0cm/s due to a tangential pull on the wire. The loop is in a constant uniform magnetic field of magnitude 1.00T ,

11. ## Chemistry

Assume the diameter of a neutral helium atom is 1.40 x 10^(2)pm. Suppose that we could line up the helium atoms side by side in contact with one another. How many atoms would it take to make the distance 5.80 cm from end to end? How do I solve this, and

12. ## Calc 3

Consider the points below. P(2, 0, 2), Q(−2, 1, 4), R(7, 2, 6) (a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R. (b) Find the area of the triangle PQR. * I answered part a and got the correct answer with the vector I found

13. ## Chemistry

A solution of ammonia and water contains 2.90×1025 water molecules and 9.00×1024 ammonia molecules. How many total hydrogen atoms are in this solution? any help would be great.

14. ## 2nd grade of math

Writing in math.Use counters.Tell how to make 10 when adding 8+5. and how it explain?

15. ## Math

It is recommended that there be at least 7 square feet of work space for every person in a conference room. A certain conference room is 13' by 16'. Find the maximum number of people the room can accommodate.

16. ## Trigonometry

A ladder 5 meter long leans against the wall of an apartment house forming an angle of 50 degrees, 32 minutes with the ground. how high up the wall does it reach?

17. ## accounting

The following cost data relate to the manufacturing activities of Black Company during the just completed year: Manufacturing overhead costs: Property taxes, factory \$ 3,000 Utilities, factory 4,800 Indirect labor 9,900 Depreciation, factory 23,900

18. ## Chemistry

A denaturation/renaturation (similar to the one carried out by Anfinsen with ribonuclease) experiment was carried out using insulin. However, in contrast to Anfinsen's results, only less than 10% of the activity of insulin was recovered when urea and BME

19. ## math

Rays AB and BC are perpendicular. Point D lies in the interior of angle ABC. If Angle ABD = 4r-7 and angle DCB = 8r+1, find angles ABC and DCB.

20. ## Chemistry

Naturally occurring boron is 80.20% boron-11 (of atomic mass 11.01 amu) and 19.80% of some other isotope form of boron. What must be the atomic mass of this second isotope in order to account for the 10.81 amu average atomic mass of boron? A. 10.99 amu B.

21. ## Math

By setting x equal to the appropriate values in the binomial expansion ( or one of its derivatives) evaluate the following : sum(k=1 to n) (n,k) k^2

22. ## AP Physics

The volume of liquid flowing per second is called the volume flow rate "Q" and has the dimensions of [L]^3/[T]. The flow rate of a liquid through a hypodermic needle during an injection can be estimated with the following equation. Q = pi * R^n (P2 - P1) /

23. ## Chemistry

An empty beaker weighs 42.75 grams. When completely filled with water, the beaker and its contents have a total mass of 399.95 grams. What volume does the beaker hold Use d=1.00 g/ml as the density of water.

24. ## Physics

What is the average acceleration of a baseball that goes from zero to 47 m/s in 0.132 s?

25. ## physics

A golf ball is dropped from rest from a height of 8.20 m. It hits the pavement, then bounces back up, rising just 5.40 m before falling back down again. A boy then catches the ball when it is 1.40 m above the pavement. Ignoring air resistance, calculate

26. ## spanish

What form of conjugated verb do I use for "tus amigos" is it in the ellos category? so it would be something like Tus amigos estudian para el examen. is that correct?

27. ## algebra

-9x+10y=-9 write the equation in slope-intercept form, what are the slope and y-intercept. I have tried to figure this out but cannot come up with correct answer please help

As company ombudsman, your task is to investigate complaints of wrongdoing on the part of corporate directors and officers, decide whether there is a violation of the law, and deal with the wrongdoers accordingly. Jane, a shareholder of Goodly Corporation,

29. ## Math

A color photograph is 10 inches wide and 8 inches tall. If you want to make an enlargement of this photograph that is 11.2 inches tall, how wide will the enlargement be, in inches?

30. ## chemistry

How do you arrange these aqueous solutions in order of decreasing freezing point: 0.10 m Na3PO4, 0.35 m NaCl, 0.20 m MgCl2, 0.15 m C6H12O6, and CH3OOH?

31. ## Math

Add (9.3x10^3) + (9.3x10^4) + (0.011x10^6) using correct significant figures? Thank You!

32. ## Algebra

The number of medical doctors D (in thousands) in the United States from 1998 through 2006 can be modeled by D = 431.61 + 121.8t, 8 ¡ t ¡ 16 where t represents the year, with t = 8 corresponding to 1998.¢Ó (a) In which year did the number of medical

33. ## Science

How much work is done lifting a 100 N block of ice up to a shelf 3m off the ground? What if you use a ramp? How heavy is the block of ice in pounds?

34. ## physics

Along a straight road through town, there are three speed-limit signs. They occur in the following order: 56 , 33 , and 24 mi/h, with the 33 -mi/h sign located midway between the other two. Obeying these speed limits, the smallest possible time tA that a

35. ## science

calculate the ratio of wavelength o mth line of lyman series and balmer series of H-atom

36. ## Science

Do you have any acrostic poems on living things?

37. ## Finance

Dr. David Dunn is adding a new piece of diagnostic equipment to the department. Two similar models are offered by two different vendors, and both models would serve the needs of the clinic. both also have an estimated useful life of five years, with no

38. ## Calculus

Find the constants a and b such that the function is continuous on the entire line f(x){7, x is less than or equal to -3 ax+b, -3 is less than x is greater than 4 -7, x is less than or equal to 4

39. ## Calculus

What x-values make f not continuous f(x)= x/(x^2 -3)

40. ## Trigonometry

Triangle ABC is a right triangle with right angle at C. CD is perpendicular to AB. BC=4 and CD=1. find the area of the triangle ABC.

Find the change in temperature or elevation. 1) From -16 degrees C to 23 degrees C 2) From -47 degrees C to -38 degrees C 3) From 9 degrees F to -12 degrees F 4) From -16 degrees F to -27 degrees F

42. ## Physics

A boy sledding down a hill accelerates at 1.70 m/s2. If he started from rest, in what distance would he reach a speed of 7.40 m/s?

43. ## algebra

(x + 8)2 = 32

44. ## math word problems

Container A has twice the capacity of container B. Container A is full of sand and container B is empty. Suppose 1/8 of the sand in container B will contain A is poured into container B. What fractional part of container B will contain sand?

45. ## Geometry

Use your geometry tools to draw a convex hexagon with two consecutive sides measuring 5 cm and three consecutive angles measuring 130°

46. ## math

what does prime factorazation mean???

47. ## Linear Algebra

2 people move in the same direction along a line of equation: (x + 3)/10 = (y + 10)/20 = (z - 10)/-20 Mobile M1 is at a point A(-3, -10, 10) and moves at a velocity of 6m/s towards point B(7, 10, -10) where Mobile 2 is found, walking in the same direction

48. ## Chemistry

Calculate mole solute in solution? I added 0.2968g of an unknown to a solution. I found that the molality of the solution is 0.085m and there is 0.0156kg of solvent. Calculate the moles of solute present in solution? Thanks!

49. ## Biology

How many grams of NaCl do you need to make 150ml of a 0.8M stock solution?

50. ## algebra 1

mindy is building a patio that is in a shape of a square. this will cover 56 square yards. find the length of a side of the patio to the nearest tenth of a yard ?

51. ## accounting

Selected T-accounts for Rolm Company are given below for the just completed year: Raw Materials Manufacturing Overhead Bal. 1/1 31,000 Credits ? Debits 390,000 Credits ? Debits 420,000 Bal. 12/31 56,000 Work in Process Factory Wages Payable Bal. 1/1 73,000

52. ## chemistry

how many electrons flow through a wire in 83.9 seconds if the current was 0.32 amps? ( an ampere is a coulomb/sec)and the charge on an electron is 1.602×

53. ## math

x^3-4x^2+5x-2

54. ## physics

A hot-air balloon has just lifted off and is rising at the constant rate of 1.51 m/s. Suddenly, one of the passengers realizes she has left her camera on the ground. A friend picks it up and tosses it straight upward with an initial speed of 13.00 m/s. If

55. ## Math

list all the factors of 48 using an approprate strategy

56. ## Chemistry

Calculate mole solute in solution? I added an amount of an unknown sample to a solution. I found that the molality of the solution is 0.085m and there is 0.0156kg of solvent. Calculate the moles of solute present in solution? Thanks!

57. ## math estimate

can you check: i need to estimate the value of each expression: 7+3q: q = 7.6 i got: 29.8 estimated to : 30 2m^2 - 3m ; m = 1.6 i got: 0.32 estimate to : .3 is that right? x^2 + 7x - 19; x = 4.21 i got: 28.1941 estimate to: 28.2 is that right?

58. ## Math

What are the common factors of 48 and 64?

59. ## chemistry

What is the density of a sphere with a radius of 12.7 meters and a mass of 285 kilograms?

60. ## math

How can the digits 1 through 5 be arranged in the box to make the greast products? The box is 2 row x 3 column. The first bottom column marked with "x".

61. ## Physics

An attacker at the base of a castle wall 3.82 m high throws a rock straight up with speed 7.10 m/s from a height of 1.45 m above the ground. (a) Will the rock reach the top of the wall? __yes __no (b) If so, what is its speed at the top? If not, what

62. ## math

the final grade for a particular course is calculated by dividing total points earned by total points available. There are 6 quizzes worth 15 points each, and 2 exams worth 50 points each. If a student earns 67 points total on the quizzes and wants to get

63. ## Math

Find the intersection point. 3x+2y = 3 2x+10y = -5 I put them into y=mx+b form and got y=-3/2 + 3/2 y=1/5x - 1/2 I can't seem to find the intersection point by graphing it either, since it won't be accurate.

Analyze and compare both data sets using the data analysis and biases concepts from Chapter 11 of Sekaran & Bougie (2010). Compare only those categories that you find are significant to your analysis in demonstrating whether the US demographics based

65. ## physics

Both car A and car B leave school at the same time, traveling in the same direction. Car A travels at a constant speed of 78 km/h, while car B travels at a constant speed of 88 km/h. How far is Car A from school 2 h later? Answer in units of km

66. ## Chemistry

How do I find the total mass of sample in a solution? I have: Volume of the solvent Mass of the solvent Mass of sample added I do not know what the sample is. Thanks!

67. ## Algebra

A motorboat can maintain a constant speed of 26 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 35 minutes; the return trip takes 17 minutes. What is the speed of the river current?

68. ## Significant Figures

Add (9.3x10^3) + (9.3x10^4) + (0.011x10^6) using correct significant figures?

69. ## Science

A 1000 kg car moves at 60 m/s. What braking force is needed to halt the car (change its momentum) in 6 s?

70. ## Science

A 1 kg poodle running right at 3 m/s has an elastic head on collision with a 9 kg basset hound walking left with a velocity of 1 m/s. After the collision the poodle bounces off to the left at 3 m/s. Whats the basset hounds velocity after the colllision?

71. ## Science

A 0.05 kg arrow with the velocity of 180 m/s is used to shoot a 5 kg block of wood off the top of a log. What will be the velocity of the arrow and wood after contact?

72. ## physics

A rock is thrown vertically upward from the edge of a cliff. The rock reaches a maximum height of 20.6 m above the top of the cliff before falling to the base of the cliff, landing 6.44 s after it was thrown. How high is the cliff?

73. ## Theory to Practice

What fundamental motor patterns do girls tend to have than boys? a. throwing and kicking b. hopping and skipping d. running and jumping

74. ## Physics

A particle moves in a straight line so that its position (x cm) from a fixed point O at time (t seconds) is given by x= t^3-6t^2-15t-5 Find the average speed of the particle in the first 7 seconds

75. ## Chemistry

For another picnic you want to make hamburgers with pickles, again without having any left over. You need to balance the number of packages of buns (which usually contain 8 buns) with the number of packages of hamburger patties (which usually contain 12

76. ## physics

A golf ball is dropped from rest from a height of 8.20 m. It hits the pavement, then bounces back up, rising just 5.40 m before falling back down again. A boy then catches the ball when it is 1.40 m above the pavement. Ignoring air resistance, calculate

77. ## Physics

A driver in a car traveling at a speed of 67 km/h sees a cat 104 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 102 m?

78. ## geometry

the measure of two complementary angles are 16z-9 and 4z+3 find the measures of the angles

79. ## College Physic

Here is the Hw question: An archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of water expelled from the fish’s mouth. Suppose the archerfish squirts water with a speed of 2.3 m/s at an angle of 50 degrees above

A river has a steady speed of 0.276 m/s. A student swims upstream a distance of 1.4 km and swims back to the starting point. If the student can swim at a speed of 1.15 m/s in still water, how long (in minutes) does the trip take? How do I solve this

81. ## Math Ratios

Mary, Jane and Sally shared 756 sweets in the ration of 6:3:5 respectively. How many sweets did Jane get?

82. ## physics

You are on a hike in the mountains. You have 4.92 km left to go before your next campsite. The sun will set in 6.6 h. What avergae speed must you walk to camp at sunset? Answer in units of km/h

83. ## Math

What is an example of a complex fraction?

84. ## Math

How much must you deposit in an account that pays 6% semi-annual interest, compounded annually, to have a balance of \$9000 in 15 years? I'm stuck with this question, please explain the steps for the answer.

85. ## Math

2trains of the same length were running in opposite direction at 54km/hr and 72km/hr respectively.find the length of each train if the faste train passed a man in the slower train in 18seconds.

86. ## Math

If niti drives her car at 5okm/hr from her home,she reaches the office late by 10min. However if she drives at 60km/hr,she reaches the office 5min early.find the distance of the office from her home.

87. ## Math

Can someone show me the steps for how to solve: 1.) f(x) = 4x^4 -3x^3 +2x^2 +x-3 2.) f(x) = x^3 - 2x^2 -5x +6 3.) f(x) = -3x^3 -2x^2 + x -1 Thank you so much :)

88. ## c/c++

Problem Statement :- An ant is standing at the left most corner in a room(matrix of order m*n). It has a sack of sugar cubes,,with cubes having numbers written on them. The ant goes on dropping the sugar cubes in ascending order while moving from that

89. ## Algebra

I need help on these kinds of radical problems. Once I get the examples solved, I think I can do others. 1. What is the solution to the square root of -9? No solution, yes or no? 2. The square root of: 6x/3x? The answer is 2? 3. The square root of -0.01?

90. ## MIS

Reinsurance Group of America and Fonterra what are the advantages of a full-blown versus a phased approach

91. ## Intro to Education

Describe the duties of elementary and secondary school teachers in terms of the recognized criteria for a profession. What are the major differences in duties?

92. ## math

it is dark in room and i went to get two socks of he same colour from my drawer,which contains 26 red,24 blue and 34 brown socks.how many socks do i have to take from he drawer to get at least two socks of the each colour?

93. ## childcare

A child throws a ball with speed and accuracy when he throws a ball to his teacher but his throws are slower and less accurate when plays with a group of friends. This difference is explained by A. classical stage theory B. probility theory C. locomotion-x

94. ## HSM/270

Last few weeks of class and struggling to keep up to graduate, can somebody help me if they have done this before, also i used the PEACE Program for my assignments in this Grant Proposal and Writing class. Thanks Identify where the program planning and

95. ## math

a piece of fabric measuring 32 cm by 15cm was required for each pupil in a year 8 DT lesson. what was the minimum length of 120 cm wide fabric required for 28 pupils?

96. ## Math

How much must you deposit in an account that pays 6% semi-annual interest, compounded annually, to have a balance of \$9000 in 15 years?

97. ## technology

How do different hardware components enable hierarchy in a network

98. ## physics

A hot-air balloon has just lifted off and is rising at the constant rate of 1.51 m/s. Suddenly, one of the passengers realizes she has left her camera on the ground. A friend picks it up and tosses it straight upward with an initial speed of 13.00 m/s. If

99. ## physics

A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 9.3 m from the takeoff point. If the kangaroo leaves the ground at a 17.6 degree angle, what is its takeoff speed?

100. ## physics

An archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of water expelled from the fish’s mouth. Suppose the archerfish squirts water with a speed of 2.1 m/s at an angle of 51 degrees above the horizontal, aiming for

101. ## math

A factory increases the production of cars annually by 5%. If presently it manufactures 610, 000 cars per year, how many cars will it manufacture per year after 3 years

102. ## College Physic

Here is the Hw question: An archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of water expelled from the fish’s mouth. Suppose the archerfish squirts water with a speed of 2.3 m/s at an angle of 50 degrees above

103. ## Algebra

Square root 5-1over x = square root over 5

104. ## Biology

How are radioisotopes used to make biochemical reactions?

105. ## Chemistry

A 70 piece of ice at 0 is added to a sample of water at 6. All of the ice melts and the temperature of the water decreases to 0. How many grams of water were in the sample?

106. ## physics

a boy throws a stone straight upward with an initial speed of 15 m/s on the surface of the earth. what maximum height above the starting point will the stone reach before falling back down?

107. ## healthh

People who are taking medication to stop smoking should stick with it for at least ________. A. 2 weeks B. 6 weeks C. 12 weeks D. 20 weeks i think its A but im not sure.....!!!! HELP!!

108. ## biology

Which are more closely related... Ants and Bees or Flies and Beetles... Thanks! :)

109. ## math

The Russian mathmatician Pafnuti L. Chebychev pved a remarkable theorem called Chebybchev's Inequality: In any data set, if p is the fraction of the data that lies within k standard deviations to either side of the mean, then p is greater than or equal to

110. ## powers of exponents math

simplify each expression: can you check and help me please a) 3*3*3 i got: 27 b) (-2)(-2) i got: 4 c) (-125)(-125)(-125) i got: -1953125. d) -(2)(2)(2) i don't know: e) (-1) (-1) i got : 1 f) -4*4 i don't know:

111. ## physics

A senior citizen walks 0.36km in 11min , going around a shopping mall.What is her average speed in meters per second?If she wants to increase her average speed by 30\% when walking a second lap, what would her travel time in minutes have to be?

112. ## Humanities

Compare and contrast the legacies of cultural syncretism in Africa and the Americas with the resistance to cultural change Westerners encountered in China and India. What cultural factors caused the differences in outcomes?

Evaluate the limit, if it exists. lim , 3 − square root(x) /(9x − x^2) x¨9

114. ## math

Solve using elimation method. -x + 4y = 0.5 -3x – 6y = 10.5

115. ## com/155 universit composition

Write a 150- to 200-word paragraph to explain how purpose, audience, tone, and content impact academic writing. Be sure to use the three components of a good paragraph covered in this week’s readings.

116. ## cross-cultural communication

positive roles a nd actions of individuals that helpthe group acheive its task goals include

117. ## Algebra

x^3 + 6x^2 + 5x + 30 = 0

118. ## math

A steel ball is dropped from rest from the roof of a building. An observer standing behind a window that is part way down the building 120 cm high notes the ball takes 0.125 s to fall from the top to the bottom of the window. The ball continues to fall,

119. ## math

An employment agency requires applicants average at least 70% on a battery of four job skills tests. If an applicant scored 70%, 78%, and 82% on the first three exams, what must he score on the fourth test to maintain a 70% or better average?

120. ## algebra

art's age is two thirds cal's age, and bob is three years older than art. the sum of their three ages is 45. find the age of each one

121. ## Precalculus

Determine a recursive formula for the sequence: 2, 5, 10, 17,......

122. ## algebra

Evaluate the expression for the given value of the variable(s) [-4b-8]+[-1-b^2]+2b^3; b=-2

123. ## chemistry

How many liters is 5.8 mole of neon at STP? Show work

124. ## algebra

Solve the equation check for extraneous solutions 9[9-8x]=2x+3 please explain

125. ## Math

In a class of 29 males and females there are 12 females. Write the ratio of males to females. Solve. Express each ratio as a fraction reduced to lowest terms.

126. ## Pre-Algebra

the sum of a number and 14.5

127. ## math exponents

i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how

128. ## math

find the vaule of t so that the slppe of the line passing through the points (2,t) and (6,10) will be 1/2

129. ## Math

1) x-4-9 2) 15-y-7 3) 31-35-y

130. ## science

(a) Explain why DNA replication is necessary for mitosis. How are drugs that inhibit DNA replication useful in the treatment of cancer? (b) Describe and explain some of the risks and unfortunate, yet common, side effects associated with this kind of

131. ## Cross-cultural communication

You are skeaking to a groupof 25 people for 30 minutes, you should

132. ## Math

In a trapezium ABCD,ABperpendicular DC.if angle A

133. ## science

Explain why a single base deletion could be potentially more damaging to protein synthesis than a deletion of three consecutive bases confined to one triplet?

134. ## geometry

find the vaule of t so that the slppe of the line passing through the points (2,t) and (6,10) will be 1/2

135. ## Trigonometry

The perimeter of an isosceles triangle is 6.6824. find its area.

136. ## science

(a) Investigators often remove blood from a crime scene in order to extract DNA for forensics. Although blood cells do contain nucleic acids, why would blood yield relatively less DNA than semen containing sperm cells? (b)What are some other uses for DNA

137. ## finance

Find the IRR and MIRR of a project if it has estimated cash flows of \$5,500 annually for seven years if its year-zero investment is \$25,000 and the firm’s minimum required rate of return on the project is 10 percent

138. ## Math

The diagonal of a quadilateral are of the lengths 10cm and 24cm.if the diagonals bisect each other at right angels,find the length of each side of d quadilateral.what special name can you give to this quadiletral?

If the temperature increases in a sample of gas at constant volume, then its a. volume increases b. pressure decreases c. pressure increases d. volume decreases Plz help me, I don't know it.

140. ## Trigonometry

Two sides of a right triangle are 8, 15 and 17 units. if each side is doubled, how many sqare units will the area of the new triangle be?

141. ## Help On Math

A movie theater has fixed costs of \$5,500 per day and variable costs averaging \$2 per customer. The theater charges \$7 per ticket. How many customers per day does the theater need in order to make a profit? Give the smallest possible value. The theater

142. ## Geometry

Two angles are complementary. One angle is ten less than three times the other angle. Find the measure of both angles.

143. ## Geometry

Line AB is perpendicular to line BC. Point E is in the interior of angle ABC. If angle ABE = 2x+3 and angle EBC = 4x-9, find x. Then find the measure of both angles.

144. ## math exponents

word problem need help: suppose you own a card shop. you buy one line of cards at a rate of 4 cards for \$5. you plan to sell the cards at a rate of 3 cards for \$5 how may carfds must you sell in order to make a profit of \$100.00 would it be 80 card?

145. ## economic

How do corporate America's acceptance of greed influence how we behave in a capitalist society?

146. ## Geometry

The m angle A is 30 more than twice angle B. If angle A and angle B form a linear pair, find the measure of both angles.

147. ## Algebra

square root>(3x + 1)− square root>(7x + 8)= 1

148. ## MATH

i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how

149. ## math

How can I put A={1,4,7,10,13,16,19,22,25,28} in set builder notation. I just learned this and can't figure it out.

150. ## Physics

Add (9.3x10^3) + (9.3x10^4) + (0.011x10^6) using correct significant figures?

151. ## World history

Should the united states be a demoracy or monarchy? 7th grade

152. ## Algebra

a rectangular garden is located adjacent to a house the family needs to fence in the garden the family wants three side because one side is up against the house the length is 5 meters longer than the width and the area of the garden is 204 square meters

153. ## Math

write a number that rounds to 47,000 when rounded to the nearest thousand and to 50,000 when rounded to the nearest ten thousand.

154. ## chemistry

What mass in kilograms of E85(d = 0.758g/mL) can be contained in a 11.5gal tank?

155. ## Physics

A boy sledding down a hill accelerates at 1.70 m/s2. If he started from rest, in what distance would he reach a speed of 7.40 m/s?

156. ## help math

word problem need help: suppose you own a card shop. you buy one line of cards at a rate of 4 cards for \$5. you plan to sell the cards at a rate of 3 cards for \$5 how may carfds must you sell in order to make a profit of \$100.00 i don't understand how to

157. ## math word problem

word problem need help: suppose you own a card shop. you buy one line of cards at a rate of 4 cards for \$5. you plan to sell the cards at a rate of 3 cards for \$5 how may carfds must you sell in order to make a profit of \$100.00 i don't understand how to

158. ## English 8R - Business Letter Assignment Help!

I have this assignment for my English class. We have to write a business letter to a someone, it can be famous or not. The best part is that we can actually send it to them. So I choose Obama. It's a two paragraph letter. The 1st paragraph, we have to

159. ## biology

what is burgess shale? what is the significance of this discovery to evolutionary biology

160. ## Computer Science: NQC

Write a complete NQC program that spins for 2 minutes a Lego motor connected to the RCX output port B.

161. ## algebra

whats 5h+2(11-h)=-5

162. ## algebra

27=3c-3(6-2c) -3=12y-5(2y-7) -14=2/5(9-2b)