# Questions Asked onJuly 24, 2011

1. ## Chemistry

Predict the product(s) for the following reaction: H2SO4(aq) + KOH(aq) --> Choose one answer. a. K(s) + H2(g) + SO3(g) b. K2SO4(aq) + H2O(l) c. No reaction occurs d. K2S(aq) + H2O(l) e. KSO4(aq) + H2O(l) I keep getting: K2SO4(aq) + 2H2O(l) which isn't at

2. ## Statistics

the manufacturer of a certain brand of auto batteries claims the mean life of these batteries is 45 months. A consumer protection agency that wants to check this claim took a random sample of 36 such batteries and found the mean life for this sample is

3. ## Chemistry

A solution contains 32g of per 100.0g of water at 25 degree celcius. is the solution saturated, unsaturated, supersaturated

4. ## statistics

use the given information to find the minimum sample size required to estimate an unknown population mean. Margin of error/; \$137, confidence level:99%, standard deviation = \$535

5. ## Pre Cal

which of the following best describes the behavior of thre function f(x)=(x^2-2x)/(x^2-4) at the values not in its domain? a) one vertical asymptote, no removable discontinuities b) 2 vertical asymptotes c) two removable discontinuities d) one removable

6. ## Statistics

The distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inches and standard deviation 2.5 inches. What is the probability that a randomly selected woman is over 70 inches tall?

7. ## pre cal 2

solve the equation 4cos^2x-1=0

8. ## algebra

Snookers Lumber can convert logs into either lumber ofr lywood. In a given day, the mill turns out three times as many units of plywood as lumber. It makes a profit of \$30 on a unit of lumber and \$40 on a unit of plywood. How many of each unit must be

9. ## ECONOMICS

At a management luncheon, two managers were overheard arguing about the follow- ing statement: “A manager should never hire another worker if the new person causes diminishing returns.” Is this statement correct? If so, why? If not, explain why not.

10. ## algebra

In 1920 the record for a certain race was 46.5 seconds. in 1980 it was 45.3 seconds let R(t) = the record in the race and t=the number of years since 1920 R(t) = 46.5 - t*0.02 what is the predicted record in 2003? 44.84 what is the predicted record in

11. ## independent clause

Identify the : I stood at the window, but I didn't see him.

12. ## Pre Cal

a piece of wire 5 inches long is to be cut into two pieces. One piece is x inches long and is to be bent into the shape of a square. the other piece is to be bent into the shape of a circle. Find an expression for the total area made up by the square and

13. ## math algebra

represent the given condition using a sing variable, x. The length and width of a rectangle whose length is 12 centimeters more than its width. the width of the rectangle is _____. The length of the rectangle is ____.

14. ## Math

The perimeter of a rectangle is 46m. If the width were doubled and the length were increased by 12m, the perimeter would be 82m. What are the length and width of the rectangle?

15. ## CHEMISTRY

Solve for the new pressure in each of the following with N and V constant A sample of Na with a pressure of 770 mmHG at -60C is heated to 23C

16. ## biology

how many chromosomes are present in ostrich? how many chromosomes are present in monkey? how many chromosomes are in lacto bacteria

17. ## stat

Weinberger and Spotts compare the use of humor in television ads in the United States and the United Kingdom. Suppose that independent random samples of television ads are taken in the two countries. A random of 400 television ads in the United Kingdom

18. ## algebra

Factor the expression 25x^2-60xy+36y^2 into a product of binomials.

19. ## Physics

The captain of a small barge notices the front corner of the boat is on a collision course with the edge of a small pier. What could he ask the passengers to do to help him avoid a collision?

20. ## pre cal 2

Find all solutions in the unterval [0,2pi), cos x/2-sinx=0

21. ## home economics

Gear strategy has managed to improve the livelihood of the poor in south africa.

22. ## Gemotry

if A(2,4) and B(3,1) and C(15,7) find the slope of the altitude from A to BC

23. ## Chemistry

For the reaction: V2O5 + 6HCl --> 2VOCl3 + 3H2O If 13.65g of VOCl3 was produced in this reaction, how many grams of V2O5 were reacted in excess HCl? I used stoichiometry and converted 13.65g of VOCl3 into grams of V2O5. I got 73.28 g. However, I feel like

24. ## pre cal 2

Find all solutions in the interval [0, pi], 2sec^2x+tan^2x-3=0

25. ## Physics

How long does it take for the current in an circuit with = 150Ω and = 65mH to reach half its final value?

26. ## Physics

An rms voltage of 120 V produces a maximum current of 2.6 A in a certain resistor.Find the resistance of this resistor?

27. ## pre cal 2

find the exact solutions in the interval [0,2pi), sin4x=-2sin2x

28. ## Chemistry

Need guidance on how to solve this one How many liters of water vapor can be produced if 108 grams of methane gas are conbusted at 312K and 98 atm. CH4 + 202 = C02 + 2H20

29. ## pre calculus 2

use the fundamental trig. Identities to simplify tan^4x+2tan^2x+1

30. ## physics

a clock has its second hand 2 cm long. find the average speed and modulus of average velocity of the tip of the second hand in 15 seconds

31. ## Physics

The conducting rod ab shown below makes frictionless contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.855 T, perpendicular to the plane of the figure. The length L of the rod is 25 cm. (a) Find the magnitude of the emf

32. ## CHEMISTRY

The volume of air in a persons lungs is 615 mL at a pressure of 760 mmHG inhalation occures at the pressure in the lungs drops to 752 mmHG, to wha volume did the lungs expand I got 615*760=V2*752=621 i keep getting 621 and the answer is 620 what i'am i

33. ## math

3. The height H of an object t seconds after it is propelled upward with an initial velocity v is represented by , where g is the gravitational pull and h is the initial height. The gravitational pull of the moon is 1.6 meters per second squared. The

34. ## English

Per the guidelines set out in this document OR As per the guidelines set out in this document Which is correct?

35. ## Ida

What does duracell manufacture say about the durability of their brand

36. ## math

the perimeter of an isosceles triangle is 21 meters. the length of one side is 3 meters longer than the length of the other two sides. find the length of each side.

37. ## interest

If \$635 is invested in an account that earns 9.25%, compounded annually, what will the account balance be after 21 years?

38. ## COMM/156

Write a second paragraph of at least 200 words explaining the strategies you will use to overcome those challenges.

39. ## algebra

The area of a rectangular athletic field is represented by the expression 81y^2-16z^2 square meters. Write an algebraic expression to represent one possible set of dimensions(in the sense " length times width") of the athletic field. Include correct units

40. ## chemistry

calculate the amount of energy (kJ) lost when 50 mL of water at 0 Celcius freezes at 0 Celcius

41. ## math

graph (3,5) (8,-1)

42. ## Math

Hi I'm reviewing the following solution in my trigonometry text book and I can't figure out how they got their answer. If someone can help explain how they calculated 542.25 for a^2 (nothing I do comes up with that number): a2=b2+c2-2bcCosA

43. ## Algebra

During the first part of a trip, a canoeist travels 98 miles at a certain speed. The canoeist travels 10 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hours. What was the speed on the FIRST part of the trip?

44. ## Math

Q: A coule borrow Rs. 10,000 to buy a car. The loan agreement specifies that monthly payements are to be made for 4 years. The annual inttrest rate is 10%. Determine the monthly payments?

45. ## computers in day care

A software program features an electronic coloring book, in which children get to paint characters that come to life with the click of a mouse. This type of program is primarily designed to develop children’s A. hand-eye coordination. C. emotional

46. ## Math

Q: Many business transactions involves making or recieving cash payment at various future dates. Discuss by given quantitative example?

47. ## Chem

How do I do this problem Assume you dissolve 2.56 g of malic acid, C4H6O5, in half a liter of water (500.0 g). Calculate the molarity, molality, mole fraction, and weight percent of acid in the solution. (Assume the final volume of the solution is 500. mL)

48. ## Calculus

For the function g(x) = xe power x, there is inflection point at?

49. ## sociology

what is a contemporary sociologist who uses conflict perspective.

51. ## alegebra

solve this system of equation using the substitution method. 6x+8y=72 2x+5y=45

52. ## math

How to calculate angle B if u are given AB=10,6 and AC=6 then angle D=alfa

53. ## Chemistry

According to the experiment procedure, given that the NaOH solution has a concentration of 0.100M, and that the vinegar (acetic acid) has a concentration of 5.0%m/m (mass percent), what volume(mL) of titrant would be required to reach the "equivalence

54. ## pre cal 2

use the given values to evalute all six trigonometric functions secx=3/2, cscx=-3square root5/5

55. ## computers in day care

Which of the following statements about children and computers is not correct? A. Today, many children begin using computers in preschool or day care. B. Some day care providers begin computer-assisted instruction with children as young as two years old.

56. ## math

Perform the indicated operations: -42÷6+(-7)

57. ## pme

a bullet moving at 270 m/s penetrates 5 cm into a tree limb, beforecoming to rest assuming that the force exerted by the tree limb is uniform, find its magnitude? mass of the bullet is 10 g

58. ## math

Which sentence is not a statement? (Points : 1) 2 x 4 = 7 8 + 2 Jan and Ella are neighbors. Bill is a photographer

59. ## Life Orientation

What is human factor that causes ill health,accidents,crises,and disasters within community within South Africa

60. ## Geometry

A bag contains five pieces pf paper wit hthe emasures of various angles. The angle measures are 23,35,23,41,113. Suppose you pick 3 pieces of paper from the bag at random. What is the probability you can form an isosceles triangle with the three angles?

61. ## Geometry

use the distance formula and the Pythagorean Theort to find the distance, to the nearest tenth, from R(6,-5) to U(-2,6). Hellllp! Thansk!!

62. ## Geometry

Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: angles ABC and RPQ are congruent by completing the paragraph proof. AB=RP=13, BC=(?)=53, and CA=QR=26. So segment AB is congruent to (?), segments BC and PQ are congruent and segment CA is

63. ## Geoemetry

Write an equation in point slope form for the perpendicular bisector of the segment with endpoints A(-3,-3) and B(5,6)

64. ## life oriantation

pollution impacts on the community

65. ## physics

Find the value of the magnetic field necessary to cause a proton moving at a speed of 2.50 ×10^3 m/s to go into a circular orbit of 15.5-cm radius. An electron has an energy of 100 eV as it enters a magnetic field of 3.50 × 10−2 T. Find the radius of

66. ## Medical Manager

I have to write a paper on compare and contrast the differences between a medical biller in a physician's office and a medical biller in a hospital? Discuss the responsibilities required in each Please help me thank you

67. ## Calculus

It is estimated that the demand for a manufacturer's product is increasing exponentially at an instantaneous rate of 5% per year. If the current demand is increasing by 4000 units per year and if the price remains fixed at \$850 per unit, how much revenue

68. ## English

What is the tone of Tess of the D'urbevilles? What is the theme of Tess of the D'urbevilles. Thank you.

69. ## Math

Suppose a scientist on Earth throws a baseball upward. The scientist lets go of the ball 2 meters above the ground with an initial velocity of 10 meters per second. How long does it take for the ball to hit the ground (H=0)? (Use the quadratic formula to

70. ## Philosophy

Our text discusses the challenge relativism presents to various ethical and religious viewpoints. Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an

71. ## philosophy

o human beings have any obligations to other animals, in terms of their treatment? If it is wrong to treat animals cruelly, why is it not wrong to eat them? Explain if, and how, you think humans can find a balance between treating animals ethically while

72. ## physics

1/2(v0+v)(v-v0) ----- (a)

73. ## Hum/205 college level

can someone please look over this and tell me what you think?? thanks! The history of the Western Art is a steeped in religious symbolism; but all art is in one way or another, an extension of the religious urge in humanity. However to some westerners it

74. ## physics

1/2(v0 + v) (v- v0)/ (a)

75. ## physics

1/2(v0 + v) (v- v0)/ (a) =

76. ## stats ( please check)

6. X has a normal distribution with a mean of 80.0 and a standard deviation of 3.5. Find the following probabilities: (A) P(x < 77.0) (B) P(75.0 < x < 85.0) (C) P(x > 85.0) (Points : 6) I think I have the first two but I am stumped on the third one. Thank

77. ## buhlebesizwe

A clear explanation of the consequences of drug abuse

78. ## Life orientation

Two community organistions that are giving redress to enviromental or humam factor that cause ill health

79. ## MAT101

Suppose you have a cookie stand, and when you charge \$3 per cookie box you sell 200 boxes. But when you raise your price to \$4 you only sell 120 boxes. Write the equation for the number of boxes you sell as a function of the price you charge. Denote "b"

80. ## think build live success

How can plan of action help you adsress a current problem or challenge you are having with school

81. ## chemistry

describe how you would prepare from the specified stock solution: 400 mL of 0.45 M urea starting with a 6 M urea stock solution

can you tell m about the description on several b2b and b2c technology and application as it relates to a pastry business?

83. ## chemistry

Calculate the volume of the specified titrant required to neutralize 35 ml of .4 M NaOH. Titrant: 0.75 M H2SO4 [2NaOH + H2SO4 „» 2H2O + Na2SO4]

84. ## think build live success

how can our judgements affect our outlook

85. ## Quick Science Question

During hurricane season, Why are they usually late summer and autumn events?

86. ## SCHOOL

SOLVE USING ADDITION AND MULTIPLICATION PRINCIPLE 6X-7

87. ## Enviornmental Science

I need data on hurricane damage on the East Coast since 1900. What was the trend in the human death toll over that time. Why has it changed in that way?

88. ## Enviornmental Science

I also need data on property damage costs over the same time period. Why is that the trend? What has happened since 1900 to influence these results?

89. ## Chem

How much heat is liberated at constant pressure if .928 g of Fe reacts with 26.2 mL of .238 M HCl? Delta H= -87.9

90. ## MAT101

A reservation clerk worked 12.6 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new

91. ## MAT101

Why is it important to be able to identify sets and set theory as related to business operations? What applications do you think functions have for the business world? Can functions be used to predict next year's profits, or how much your company will

92. ## Pre Cal

a 6 foot person is standing x feet away form a 10 foot lamppost. What is the distance d from the base of the lamppost to the end of the persons shadow, espressed as a function of x.

93. ## Pre Cal

a function f is defined as f(x)= square root of (x+4). a) identify the domain of the function b) identify the range of the function c)Compute the intercept d) compute the x intercept E) sketch a graph of the function

94. ## Pre Cal

find the surface area of a box of hieght h whose base dimensions are p and q, and that satisfies either one of the following conditions: a) the box is closed. b) the box has an open top. c) the box has an open top and a square base.

95. ## pre cal 2

Find all solutions in the interval [0, pi], 2sec^2x+tan^2x-3=0

96. ## pre cal 2

Find all solutions in the interval [0, pi], 2sec^2x+tan^2x-3=0

97. ## Pre cal

a sinusoidal function has a local maximum at (0,2) and the next minimum at (Pi/4, -2). a correct equation for the function is

98. ## algebra

robs tractor is just as fast as lucy's. It takes rob 2 hours more than it takes lucy to drive to town. if rob is 80 miles from town and lucy is 60 miles from town, how long does it take lucy to drive to town?

99. ## english

are the past participle correct for the following words appear has appeared seem had seemed finish has finished dance has danced look had looked return has returned wave had waved examine have examined need has needed include have included thank you

100. ## english

Write three paragraphs, with a total minimum word count of 500 words, explaining what your point of view will be and what you plan to accomplish in your paper. “Credit card companies should not be on campus marketing to college students”

101. ## English

I'm having problems with containers? Can you please help me? Thank you. 1) I bought a 6-pack of eggs, a packet (?) of cow's milk cheese and 3,5 ounces (100 gr.) of cooked ham, a bottle of washing liquid and one of floor cleaner. 2) I also bought a two-pack

102. ## Pre Cal

the function y= tan (x/3) has an x intercept at?

103. ## Pre Cal

simplify the expression 2sin^2 t + cos^2 t-2

104. ## physics

find the bouyant force on a copper obect that displaces 2.8 meters cubed of water

105. ## physics

find the acceleration of a 3 kg mass as it moves with a constant speed of 4 m/s along a circle of radius 2 m.

106. ## english

Is gone the past and past participle tense of the word go?

107. ## Pre Cal

which of the expressions are identical? a) cos^2x b)(cosx)^2 c) cos (x^2) d) (sinx)^-1 E) sin^-1 x f) sin (x^-1) g) 1/ sin x

108. ## Basic Statistics

A population of 300 voters contains 147 Republicans, 135 Democrats, and 18 independents and members of other parties. A simple random sample of 30 voters will be drawn from this population. Consider repeatedly drawing simple random samples of size 30 from

109. ## Precal

a 6' person is standing x feet away form a 10' lamppost. what is the distance d from the base of the lamppost to the end of the person's shadow, expressed as a function of x.

110. ## Bio

A biologist marked a cell that he knew was about to undergo meiosis. A short time later he observed the four cells produced by the original marked cell; their chromosome numbers were 17, 17, 18, and 16. He knew these numbers indicated that something

111. ## Algebra

Using complete sentences, explain how to graph y = x - 2 using the slope-intercept method.

112. ## Pre Cal

simplify the quotient: [x(5x+1)-3(x^2+1)]/ [(x-1)^2]

113. ## Chemistry

Write the balanced net ionic equation. Label species as solids liquids gase aqueous. HNO3(aq) + Ba(OH)2(aq) ---> I don't understand the steps? And how to balance it?

114. ## PreCalculus

Write an equation to construct a function whose graph is like that of y=x^2, except for pieces removed for values between 3 and 5, and 8 and 9. I am not sure how to approach this question. Would I make a piece wise function? PLease helpp brains about to

115. ## Vectors

If /U/=9, /V/=11, and theta = 43 deg (angle between), find the magnitude of U+V and give the direction that the that the resultant makes with U.

116. ## Pre Cal

a radio actice substance decays so that half of the substance decays every 2 minutes. if 100 g of the substance are present initially, how many grams will be present after 4 minutes and 8 minutes respectively?

117. ## AP Bio (but its a question about chemistry)

i have no idea how to do this! Calculate the volume of the specified titrant required to neutralize 35 ml of .4 M NaOH. Titrant: 0.75 M H2SO4 [2NaOH + H2SO4 „» 2H2O + Na2SO4]

118. ## AP Bio (but its a question about chemistry)

no idea how to do this... describe how you would prepare from the specified stock solution: 400 mL of 0.45 M urea starting with a 6 M urea stock solution

119. ## Pre Cal/Vectors

Can someone show the steps involved in figuring out this type of problem? Given the magnitudes of vectors u and v and the angle Ό between them, find the magnitude of the sum u + v to the nearest tenth and the angle that the sum vector makes with u to the

120. ## A/P Chem

A student wants to make a 5.00% solution of potassium chloride using .0377 g of the substance.What mass of water will be needed to make the solution?

121. ## Pre Cal

find the domains of the following functions: a) f(x)=x^20 b) g(x)=1/(x-3) c) h(x)=1/(4x^2=21x-18) d) k(x)=sqrt (4x^2-21x-18) e) p(x)=1/sqrt(4x^2-21x-18)

122. ## math

solve by substitution method. 5m+n=36 m-5n=54 the everton college store paid 1,859.00 for an order of 49 caculators the store paid 11.00 for each scientific calculator. the others ,all graphing caculators, cost the store 55.00 each. how many of each type

123. ## math

solve by the elmination method 0.3x-0.2y=4 0.4x+0.3y=49/23

124. ## pre cal

Find all solutions in the interval[0,2pi),cos x/2-sinx=0

125. ## pre cal 2

verify the identity tanx times cotx/cosx=secx

126. ## Pre Cal/ domain

Domain of a) x^20 b) 1/(x-3) c)1/(4x^2-21x-18) d) sqrt(4x^2-21x-18) e) 1/ sqrt(4x^2-21x-18)

127. ## chemistry

how many moles of methane are required to produce 22g of CO2 after combustion

128. ## precal 2

solve the equation 4cos^2x-1=0

129. ## Chemistry

If the Ka of a monoprotic weak acid is 4.3*10^-6, what is the pH of a 0.16 M solution of this acid?

130. ## Pre Cal

simplify the quotient: [(x+1)^3(4x-9)-(16x+9)(x+1)^2]/[(x-6)(x+1)^3]

131. ## Humanities

Can anyone tell me examples of someone who is considered a modern-day social critic?

132. ## chemistry

When 0.100 mol of carbon is burned in a close vessel with 8.00g of oxygen, how many grams of carbon dioxide can form?

133. ## vocab

Consider your key board and a valuable tool about require persistence and patience to master. As a vaguely important to all of you to trade in, it needs to be trained with respect. Don't make it the recipient of your frustrations. The more are issues with

134. ## Chemistry

I have tied to solve this problem but am stuck. Hoping what I have done so far is accurate but need help in conversion. What mass, in grams, of oxygen gas (O2) is contained in a 10.5 liter tank at 27.3 degrees Celsius and 1.83 atmospheres? Show all of the

You’re reviewing reimbursement for a Medicare surgical craniotomy case. The case falls into a DRG1. Which has a relative weight of 3.0970 and a geometric mean length of stay of 6.3. The hospital’s current standard reimbursement rate is \$1500. Calculate

136. ## algebra

factor by grouping if possible and check 5x^3+4x^2-10x-8

137. ## algebra

factorcompletely. if polynomial is prime, state this 9+8t^2-18t

138. ## algebra

factor completely. remember to look first for a common factor. if a polynomial is prime,state this -4t^2+64

139. ## math

A firm develops a new product that will add Rs.50,000 to product. Each year for 5 years. If the discounted 10%. How much will new product add to share holder value?

140. ## Math

The closing price for XYZ Company's common stock is uniformly distributed between \$10 and \$20 per share. What is the probability that the stock price will be greater than \$17? What is the probability that the stock price will be between \$12.50 and \$16?

141. ## math

Q: A couple borrow rs.10,000 to buy a car. The loan agreement specifies that monthly payement are to be made for 4 years. The annual interst rate is 10%. Determine the monthly payement?

142. ## english

heve you ever created or experienced a ''colossal vitality of an illusion'' and later discovered that what you created was just that;an illusion? Describe that illusion.[the great gatesby novel,chepter5]

143. ## Pre Cal/Logarithism

given that f(x)=11^x, find x when f(x)=7 a) x=Ln(7/11) b) x=Ln7/Ln11 c) x= 7/11 d) x= ll sub 7 11

144. ## chemistry

What will be the concentration if 40 grams of sugar is added to 100 grams of water?

145. ## english

Disclose the range of emotions that Jay Gatsby reveals before,during and after his momentous meeting with Daisy Buchanan,a meeting arranged by Nick Carraway at Gatsby's request.[the greats gatsby novel p.79-93]

146. ## chemistry

A sample containing 5.20g O2 gas has a volume of 19.0L, pressure and temperature remain constant, Oxygen is released until the volume is 7.00L how many moles of O2 are removed I know i convert 5.20g to moles which give me 0.1625 moles of O2 and i use the

147. ## Manegerial Economic

can anybody answer my two recent question of manegerail economics? Which i have sent recently math questions?

148. ## physics

a cyclist travels at a distance of 10.0 km. in 30 min. after w/c he speeds up to 40 km/hr for 6.0 more mins. Find his average speed.

149. ## physics

a cyclist travels at a distance of 10.0 km. in 30 min. after w/c he speeds up to 40 km/hr for 6.0 more mins. Find his average speed.

150. ## physic

The star nearest to our solar system is said to be 3.8 ly away. How many km. away is this if a spaceship can travel at the speed 100 times that sound , how long armed it take that spaceship to travel from the earth to the nearest star. Express your answer

151. ## math

what is the equation that responds to a vertical shift up 3 and a horizontal shift left 4 of f(x)=absolute value of x

152. ## algebra

factor the following expression completely: 70w^3-125w^2+30w

153. ## physics

A projectile is lanched om horizontal plane. Variation of slop of trajectory of projectile with time. Where m=0 to1 and t=0 to 10. What will be the horizontal range?

154. ## physics

A projectile is projected with speed u at an angle alpha on an inclined plane of inclination angle bita. Find time of flight nn inclined plane and maximum height attained by projectile w.r.t. Inclined plane, range of projectile on inclined plane, angle of

155. ## math

solve by substitution method: 8x-3y=-94 2x+22=y

156. ## algebra

the perimeter of a rectangle is 226 inches. the length exceeds the width by 37 inches. find the length and the width.

157. ## math

a 6' person is standing x feet away form a 10' lamppost. what is the distance d from the base of the lamppost to the end of the person's shadow, expressed as a function of x