# Questions Asked onNovember 5, 2008

1. ## statistics

for a standard normal curve, find the z-score that separates the bottom 30% from the top 70%

2. ## Physics

a hand exerts a constant horizontal force on a block that is free to slide on a frictionles surface. the block starts from rest at point A and by the time it has traveled a distance d to point B it is traveling with speed Vb. WHen the block has traveled

3. ## Chemistry

I did a lab where I put Copper (II) Chloride in water with Alumnim. 2Al + 3CuCl2 -> 3Cu + 2AlCl3 The aluminum on the reactant side weighs 0.5 g and the CuClw weighs 1.69 grams. It said to find the theoricital yield. Did I do this right? 2Al + 3CuCl2 -> 3Cu

4. ## Calculus

According to the US Census, the world population P, in billions, is approximately P=6.342e^(0.011t); where t is in years since January 1, 2004. At what rate was the world's population increasing on January 1, 2005? Give your answer in millions per year. Is

5. ## French

Hi there, can you see if i have translated the following english sentences correctly in french. Summary : (At the beginning of his journey, the little prince finds himself near asteroids 325, 326, 327, 328, 329, and 330, and he decides to visit each one.)

6. ## Chem

What experimental difficulty would you encounter if you had neglected to include a drying step before evaporating the ether solution of fluorene?

7. ## physics

Skye is trying to make her 70 kg St. Bernard go out the back door but the dog refuses to walk. If the coefficient of sliding fricction between the dog and the floor is .5, how hard must skye push in order to move the dog with a constant speed? please

8. ## physics

Water is flowing at 3 m/s in a circular pipe. If the diameter of the pipe decreases to four-ninth its former value, what is the velocity of the water downstream? Answer in units of m/s.

asked by Lines in the Sand122
9. ## Geometry(Very Urgent!!!)

Triangle NQP is an equilateral triangle with the measure of angle N=5x-2y and the measure of angle P=x+2y. Find the values of x and y. Show all work to receive credit.

10. ## Calculus

(a) Find the tangent line approximation for sqrt(9+x) near x=0. (b)Find a formula for the error, E(x),in the tangent line approximation found in part (a). For part A, is the answer y=3. For part b, I don't understand , any help would be greatly

11. ## cardinal directions

what is the difference between Northeast and North of East or East of North. Same with Northwest, what's North of West or West of North?? are these other ways of saying North North East and East North East; North North West and West North West?

12. ## chemistry HELP PLEASE !

A solution consisting of isobutyl bromide and isobutyl chloride is found to have a refractive index of 1.3931 at 20oC. The refractive indices at 20oC of isobutyl bromide and isobutyl chloride are 1.4368 and 1.3785, respectively. Determine the molar

13. ## ap Calculus

A right circular cone has a fixed slant height, s= 12 inches. Determine the radius and the height of the cone with maximum volume

14. ## physics

A 2.6 cm thick bar of soap is floating on a water surface so that 2.14 cm of the bar is underwater. Bath oil (of specific gravity 0.8)is poured into the water and floats on top of the water. What is the depth of the oil layer when the top of the soap is

asked by Lines in the Sand122

how many different bracelets can be made from 7 white beads and 2 grey ones//?

16. ## Calculus

Suppose f(x) is differentiable at x=a. What does tangent line approximation, y=, mean? Select all that apply (A) Local linearization (B) y=f(x)-f(a)-f'(a)(x-a) (C) The best liner approximation of f(x) near a (D) After zooming y is a good approxiamtion to

17. ## Calculus

Suppose f(x) is differentiable at x=a. What does tangent line approximation, y=, mean? Select all that apply (A) Local linearization (B) y=f(x)-f(a)-f'(a)(x-a) (C) The best liner approximation of f(x) near a (D) After zooming y is a good approxiamtion to

18. ## Calculus

Suppose f(x) is differentiable at x=a. What does tangent line approximation, y=, mean? Select all that apply (A) Local linearization (B) y=f(x)-f(a)-f'(a)(x-a) (C) The best liner approximation of f(x) near a (D) After zooming y is a good approxiamtion to

19. ## Calculus

Suppose f(x) is differentiable at x=a. What does tangent line approximation, y=, mean? Select all that apply (A) Local linearization (B) y=f(x)-f(a)-f'(a)(x-a) (C) The best liner approximation of f(x) near a (D) After zooming y is a good approxiamtion to

20. ## slope(using intercepts)

a bamboo plant is growing 1 foot per day. when you first measure it, it is 4 feet tall. a. write an equation to describe the height y, in feet, of the bamboo plant x days after you measure it. would it be: x+y=4? b. what is the y intercept?

21. ## repost of composition

mentioned earlier that I was doing an essay on the Taj Mahal. Here is my draft for it and I'd like you to revise it;any tips are highly appreciated. I used the first site i found on google when I typed in Taj Mahal essay help (since i cant give a link)

22. ## Science

Does anyone know anything about respiration?? Cause I have to do this chart thing and it says: Respiration uses glucose and oxygen to produce carbon dioxide and water and water is used to carry out all _________. I don't know what the blank is I have read

This is a Quantitative Redox titration. (KMnO4) = 1.8 G.. 500 ML after the experiment we had to record the data of the 3 trials. 1. Trial - VolUme FeSO4 = 10.00 Ml - VOlume KMnO4 11.00 Ml 2. Trial - VolUme FeSO4 = 10.00 ML - VOlume KMnO4 11.15 Ml and we

24. ## algebra

How do I define a variable and write an inequality to model the following situation? The temperature in a refrigerated truck must be kept at or below 38Deg F

25. ## History

Please help me to rhyming words. The word is sleep. And I need to use this words: strret,please,free,whel,resd,queen,each,sneeze,people,meet,team sea.need,dream,meat. Can you please let me know which one rhym, Thank you. 3rd grader need help!!!!

27. ## English

What does it mean to vary the sentence pattern within a written work? (Please give some answer...Not just a web link...And if you give a link please give info on where answer might be located.)

28. ## algerbra 1

i don't understand how to do these 1+3x-x=x-4+2z 3+3x-(x-2)=3x+4

29. ## English

1. They are balls on the desk. 1-2. The balls on the desk are some. (Are they grammatical? Would you change them into correct ones?) 2. Is given name first mame or middle name? 3. I live with my parents in the country. 3-1. I live in the country with my

30. ## stats

Consider an infinite population with 25% of the elements having the value 1, 25% the value 2, 25% the value 3, and 25% the value 4. If X is the value of a randomly selected item, then X is a discrete random variable whose possible values are 1, 2, 3, and

31. ## Physics 12

Midterm review time! I just can't manage to get this question. "A 12kg shopping cart rolls due south at 1.5m/s, 30 degrees E of S. What is the magnitude of the change in momentum sustained by the shopping cart?" I know momentum equals the mass times the

32. ## Math

simplify the following expression and show your problem solving strategy x cubed + x squared + x + 1 + 2(x cubed + x squared + x + 1) + 3(x cubed + x squared + x + 1) + ....100( x cubed + x squared + x + 1)

33. ## Math

1) Solve: 8x ¨C (6x + 4) = 8 x = -2 2) -7x > 1/15 the solution set is: {x | x > -105} 3) Solve 5> -4x + 4 or 10 ¡Ü -4x +3 the solution to the inequality is: [-¡Þ, -7/4] U [-1/4,¡Þ] 4) Use < or > to make the statement true: -9 < 3 5) Graph the

34. ## math need help please

-9 to the 2nd power - (-6) to the 2nd power

35. ## other

i have four legs but can stand on one, i come out in the daylight but not in the sun. i have two sisters who our in power, my grandmother looks like a natural flower. some say im old but i feel like new, i stick to the bottom of your shoe! what am i?

36. ## Physics

Organ pipes, open at one end, resonate best at their first resonant length. Two pipes have length 23.0 cm and 30.0 cm respectively. What is the wavelength of the sound emitted by each pipe? What are the respective frequencies if the speed of sound is 341

37. ## Algebra

I was asked to simplify (-2x^2 times y^-3 times z^-5)^6. The answer I got was -2x^12/y^18z^30. Is this correct? (It must be in positive exponents). Thanks everyone!

38. ## english

we have just completed the story of washington irving... 'the devil and tom walker'. it is said that the title itself has become a proverb in england. my question is:- write a sentence that uses "the devil and tom walker" as a proverb and explains its

39. ## french

are all of these nouns masculine?: musee cinema stade what are some other irregular nouns? when asked why it's this way by some of my classmates, my french teacher replied,"they just decided it to be that way when they were creating the french language!"

40. ## Calculus - Damon

Find the line which passes through the point (0, 1/4) and is tangent to the curve y=x^3 at some point. So I found the derivative which is 3x^2. Let (a, a3) be the point of tangency. 3x^2 = (a3 - 1/4)/(a-0) I'm not sure how to solve for a. Yes, the point is

41. ## Physics

A 3 m, 250 N/m spring is at the bottom of a 10 m, 20 degree frictionless slope with a 30 m drop off the top of the incline. If a 10 kg wight is placed at the end of the spring when it is compressed 2 m, how fast will the block be traveling just before it

42. ## health help me......

the breathing rate of an infant is 30-50 breaths per minute while that of an adult in 18-20. why do infants have higher respiratory rates then adults?

43. ## science

what test is performed to determine the hardness of a mineral ???

44. ## Calculus

Find the derivative of 10x^2+4y^2=sqrt(7). Is the answer 20x+8y=0

Solve 2x+1=2^x to find the other (not 0,1) intersection. Truly vexing. Thanks.

In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=x+9 and DM=6, find MB. Answer choices: 9 , 3, or 18.

47. ## College Chemistry

What is the ppm of standard Fe that is made by dissolving 0.1405g of reagent grade Fe(NH4)2(SO4)2 6H2O (FM 392.14 g/mol) in DI water in a 500mL volumetric flask containing 0.5mL of 98 mass% H2SO4

48. ## law-major help?

Hi, my friend and I both want to be lawyers. we finally talked after a long time of not seeing each other and we got on the topic of college. and majors. etc. i asked her what do u want to major in? she goes "history.. for LAw" i'm like you want to major

49. ## Math

A few more questions 1. How do you describe the negative square root of 47? I said that it was imaginary, but I got one point marked off for my answer. The descriptions we could choose were Natural, Whole, Integer, Rational, Irrational, and Real. What is

50. ## Math

I am supposed to find f(g(x)). F(x)=5x^2minus 2x=3 and g(x)=4x^2 plus 7x-5 The answer I got was 5(4x^2+7x-5)^2+-2x+3. Is this correct? Thanks!!!

51. ## Algebra 2

Solve by completing the square: x^2+9x+6=0

Immiserizing growth is the special case in which economic growth actually makes a country worse off than before. If the country is big enough to influence world prices and if demand for the good is inelastic enough higher productivity can actually make a

53. ## french

merci pour clarifying the 24 hour clock time. what is the difference between "je voudrais" et "je veux"? do you know any good websites that are either translators or like grammar helpers?

we have just completed the story of washington irving... 'the devil and tom walker'. it is said that the title itself has become a proverb in england. my question is:- write a sentence that uses "the devil and tom walker" as a proverb and explains its

The vertices of triangle ABC are (2,2), B(3,-1) and C(0,1). Find the coordiantes of the circumcenter.

56. ## math

find -x when x -92/29 wouldn't this be 92/29

57. ## medical terminology

which of the folling items represents a symption? abdominal pain.or heme-negative stool

58. ## Algebra 1

Can someone please check my answers? Thank You 1) Find an equivalent expression without parenthesis -(y+87) Answer: -y-87 3) Solve -3x-13x=96 answer: x= -6 4) Find the decimal notation 14/25 Answer: .56 5) Divide if possible 7/0 Answer:0 6) Solve 7x+10=52

59. ## science

from the presence of so many salt and gypsum mines in new york state, what would you infer about NY's environment millions of years ago?

60. ## Algebra 1

11) Tell which real number corresponds to the situation. During a quiz, a person loses 1800 pts. answer: -1800 12) Solve for y z=yq Answer: z-q=y 13) Solve using the multiplication principle 10x=-90 Answer: x= -9 14) Collect like terms 20w+w+14/19w Answer:

61. ## social studies

what does a charter and a joint-stock company have in common? a pilgrim and the mayflower compact?

62. ## Algebra

Here are questions from my two "alter egos", Rachelle and Gusella, better known as Patti, even better known as Courtney. I am supposed to find f(g(x)). F(x)=5x^2minus 2x=3 and g(x)=4x^2 plus 7x-5 The answer I got was 5(4x^2+7x-5)^2+-2x+3. Is this correct?

63. ## Science

Circle the letter of each scentence that is true about the products of photosynthesis: a: Plant cells use the sugar for food. b: Some of the sugar is made into other compounds, such as cellulose. c: Some of the sugar is stored in the plant's cells for

can you unscramble these letters? ppedoeryre

65. ## science

how has genetic engineering helped people

66. ## geometry

3y-1+2x-28=180 i need help making two equations out of this

67. ## LIT.

The way Cowley uses the phrase "my own country" is an example of

68. ## math

Help subtract 7 4/5 from 18 6/15 Can someone show me how to do this please

69. ## Science

What are the layers of the sun?

70. ## ecomonics

I am trying to understand the math part of supply and demand . I am not getting it,I really need help! The question is: The demand and supply functions for sweatshirts are as follows: DEMAND Supply Quanity Quanity demanded(per period) supplied(/peri

71. ## Science

How do you think the changing environment of the earth influenced the adaptations that allowed a class of vertebrates to thrive?

72. ## Calculus

How do you do this question. f(x) = (5x-1)/(2-3x), find f^(-1)(x). The answer is supposed to be (1+2x)/(5+3x). -------------------------------------- And can you please explain this one to me. Suppose that xy^(3)+2y^(2)+xy+2x^(3) = 0. Find the general

73. ## Calc again sorry

4) The graph of y = (x)/(1+25x^2) for x is greater than or equal to 0 has a horizontal tangent at x = what. So what I did was find the first derivative. I did the quotient rule and ended up with x50x - 1+25x^2 --------------- (1+25x^2)^2 I equated that

74. ## math

f(x)=1/x, g(x)=1/x^2-1, h(x)=1/x-1 and the difference between 6 times the function values of f and 3 times the function values of g is 7 times those of h. how do i solve for x?

75. ## Calculus

Find dy/dx of the function 10x^2+4y^2=sqrt(7). Is the answer 20x+8y=0

76. ## Chemistry

0.27 - actual value of AlCl2 1.1173 - theoritical value of Alcl2 % Error = [(0.27-1.1173)/1.1173] * 100 = -76 % What are some reasons for the -76% error. I thought of 2 but i`m not sure if they're right. - we spilled some of the AlCl2 while the reaction

78. ## Engineering-Water Use

Can u help us find some websites that will help us about the topic about water use conservation? We need to build a essay. What CAN u do?

-7x-3(9-7x)

80. ## Science

I need to know what the source of energy which causes mountain building by folding or faulting? What form(s) of energy is involved? This was the only question I need help with so thanks a bunch for the help!!!! :-D

81. ## math

(4+2i)-(-1+5i) simplify.

82. ## speech

whats a good title for the daliy struggles a person with diabeties have? the thing with this sentence is it doesnt fit with what im suppose to do my topic on because my topic has to be on how to make the world a better place we need.... ( well that's how i

Krugman and Obstfeld make sure to challenge three commonly held “misconceptions about comparative advantage”. They make their arguments intuitively and with little discussion of relative prices. Expand on the challenge to these three “myths”. Use

84. ## calculus

find the limit for the given function lim (sin)^2(3 t))/t^2 t->0

85. ## project management

what is a feasibility study

86. ## Business - Stock Control

I could do with some help... i have to explain what EPOS, EFTPOS and EDI are and i have to give advantages and disadavantages to each. Please could someone help me! it would be a big help thanks

A cable that is used to support a 76 foot tower is secured to the ground 31 feet from the base of the tower. Find the angle of elevation to the nearest degree that the cable makes with the ground. Answer choices: 22 degrees, 24 degrees, or 68 degrees.

In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=10 and DM=2x+1, find MB. Answer choices: 2 , 9.5, or 15.

89. ## physics

A 150 N/m, 5 m spring on a 26 degree incline is compressed 2.3 m and a 5 kg block is placed on it. If we neglect friction, how far up the incline from where it starts will the block travel? How fast will it be traveling when it is 0.2 m up the incline from

90. ## Algebra 1

7) Use cummutative law to find an equivalent expression. 73+yz Answer: 73(y+z) I know this one is wrong but I cannot figure out how to do the problem. 8) Simplify 6[5-9(3-1] Answer: -70 10)The formula b=30a is used in New England to estimate the minimum

91. ## Ssci 2

can anyone give me a "five definitions of economics?" thanks. :)

93. ## math

waht are the common multiples of 2 and 3

94. ## Damon

Thank you so much for all the calculus help! I felt more prepared for the exam!

95. ## Geography

Hello, it says for my Geography homework find these towns with these bits of words in them: Cester, Caster and Eter. Please help thanks!

96. ## Calculus

differentiate y = (x + 2) / (x^3 + x - 2)

what is distributive properties of multiplication?

98. ## math

what is the gcf of 24,32

99. ## social studies

what movie star was in the armed forces

100. ## physics...

As Alan is taking a shower, the soap falls out of the dish and Alan steps on it with a force of 500 N. If Alan slides foward and the frictional force between the soap and the tub is 50 N, what is the coefficient of friction between these two surfaces? I

101. ## College Algebra

Solve the equation by expressing each side as a power of the same base and then equating exponents. 3 (6-3x) = 1/27 {9} {1/9} {-3} {3}

102. ## Geometry(VERY URGENT!!)

In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=x+9 and DM=6, find MB. Answer choices: 9,18, or 3.

103. ## Chemistry

What does a negetive percentage error mean?

104. ## Chemistry

For my theortical yield I got 1.1173 g For my actual yield I got 0.27 g I need to find my percent yield and percent error. Did I do this right? % Yield = (0.27/1.1173) * 100 = 24 % % Error = [(0.27-1.1173)/1.1173] * 100 = -76 %

105. ## Calculus

Find the derivative of the function, xy-x-12y-3=0. Is the answer -14,I got this from 1-1-12=0, which solves to -14.

106. ## math

f(x)=2.5, g(x)=2x+1 and h(x)=x and the difference between 2 times the outputs of f and 3 times those of g is 8 less than 4 times the outputs of h how do i solve for x?

107. ## writing for HR

I am to Create a diagram in PowerPoint® or Word mapping job opportunities starting from, or advancing to, the position focused on in your final project. How do I create this word map or diagram in powerpoint? I know what I want to say but how do I do this

108. ## MATH- LINEAR PROGRAMMING

THE PENN-OHIO BUILDING COMPANY BUILDS AND SELLS TWO TYPES OF HOUSES:"CLEVELAND CASTLES" AND "PITTSBUTGH PALACES". CONTRACTS CALL FOR USING TOTALS OF AT LEAST 20,000 FT OF FRAMING LUMBER AND 8,000 CUBIC FT OF CONCRETE; AND AT LEAST \$9,000 FOR PROMOTION AND

109. ## physics

A 150 N/m, 5 m spring on a 26 degree incline is compressed 2.3 m and a 5 kg block is placed on it. If we neglect friction, how far up the incline from where it starts will the block travel? How fast will it be traveling when it is 0.2 m up the incline from

110. ## math

how many different bracelets from 7 white beads and 2 gray ones.

111. ## social studies

what is the fbi crime index? Can you tell me where i can find imformation on natural crime and legal legal crime. thank you so much amy

112. ## math

if you had 3.6363636 and if you rounded it off to the nearest tenth would the answer be 3.3

113. ## Algebra

Once again, I have some confusing problems for math. If you know any answers, even if you only know one, please tell me the answer and walk me through it so I can actually understand how you get to it. Thanks! #1: A space craft travels at a speed of 8/10

martha has a tax liability of \$6,420 and owes additionaltaxes of \$235 she is entitled to one tax credit of \$374 and another credit of \$563. if her employer withholds \$260 every two weeks from her pay will she receive a refund of \$340 or \$1042 or will she

115. ## social studies

Name Missouri's second largest city which also has French roots

116. ## science

What are 2 abiotic factors that affect the ocean ecosystem?

117. ## math

the number 30 is the least common factor of which pair of numbers

119. ## Algebra 2

How do you simplify this expression? the sqrt of 3/25?

120. ## average daily balance

manuel has a revolving credit account that uses the average daily balance to calculate finance charges. During april 2007( amonth with 30 days) he had an unpaid balance of \$445.12 for 18 days and an unpaid balance of \$221.38 for 12 days. what would his

121. ## math

solve: perimenter of triangle perimeter is 12 meters determine values x, x+1, and x+2 x(x+1)+(x+2)=12

Where can I find US's daily treasury bill rate for years 2000 to 2002? Thanks!

123. ## Algebra II

I am doing the piecewise function x+3 if x is less than -2 x^2 if -2 is less than or equal to x which is less than 1, and finally, -x+2 if x is greater than one. The chart says that x x+3 (x,y) -3 0 -3,0 -2 1 -2,1 How come the three is negative? Is there a

124. ## Astronomy

What is the phenomenon of differentiation and how does it occurs

125. ## government

what is the organizational structure of dominica?

126. ## social studies

Why are grapes able to grow in certain areas of the NORTHEAST????????

127. ## science

How do cells prpare for mitosis

129. ## math

solve for x, expressing x as a logarithmic function of y y=6.4(1/2)^x

3(3+a)=6

132. ## algerbra 1

i don't understand how to do these 1+3x-x=x-4+2z 3+3x-(x-2)=3x+4

133. ## Algebra

Write an equation of the line containing the point (o,-4) and perpendicular to the line y=1/3x+5

134. ## English

my questions is about a play called An Inspector Calls. 1. How is the context still relevant in issues related to modern day parallels? 2. What makes the play convincing ? 3. How effective is the play as theatre? please help Im at a loss.

135. ## Algebra

I have a few things I need some help with. Does anyone know how many cubic decimeters are in 1 liter? And would anyone be able to help me with this problem? The density of a substance is 2.7 g/cm³. What is the density of the substance in kilograms per

136. ## french

comment dit-on "Happy Halloween"?

137. ## Earth Science-9 help!!!

does monroe county produce any of these minerals??? talc zinc garnet gypsum lead magnetite halite titalium. plz help me...

138. ## science

how were magnetite minerals found in NY sate?

139. ## daily balances

manuel has a revolving credit account that uses the average daily balance to calculate finance charges. During april 2007( amonth with 30 days) he had an unpaid balance of \$445.12 for 18 days and an unpaid balance of \$221.38 for 12 days. what would his

140. ## applications

if the costs of a retailers merchindise are rising,which of the following statements is true? a. using FIFO will lower taxes B. using LIFO will increase taxes

141. ## applications

if the costs of a retailers merchindise are rising,which of the following statements is true? a. using FIFO will lower taxes B. using LIFO will increase taxes

142. ## social studies

what are the steps toward democaracy of the early English settlers?

143. ## algebra

find -x when x -92/29 wouldn't this be 92/29

144. ## Algebra

How do you state restrictions for a function?

145. ## Chemistry

How many moles of each of the following are needed to provide 1.0 osmol? a)CaBr2 b)NaOH c)Al(NO3)3

146. ## Chemistry

What is the balanced equation for the preparation of cis-1,2-cyclohexanediol???

How is control used in an experiment?

148. ## physical science

what are the general properties of an acid an a base

149. ## Algebra 1

10)The formula b=30a is used in New England to estimate the minimum furnace output, b, in BTU's for a modern house with a square feet of flooring. A) determine the minimum furnace output for a 2100 ft squared modern house. B) solve formula for a Answer:a)

150. ## Algebra 1

7)use cummutative law to find and equivalent expression 73+yz answer: I don't even know where to start with this one

10)The formula b=30a is used in New England to estimate the minimum furnace output, b, in BTU's for a modern house with a square feet of flooring. A) determine the minimum furnace output for a 2100 ft squared modern house. B) solve formula for a Answer:a)

152. ## geometry

3y-1+2x-28=180 help me find the value of x and y

153. ## Geography

Hello, i still can't find the town with part of the word Caster in it. Thanks

a company purchased a lathe with a useful life of 4 years and a salavage value of \$5,000.00 if the lathe cost \$45,000.00 what is the lathes first year depreciation using the sum-of-the years digits method? would it be \$12,000.00

155. ## composition fir writeacher

Thank you soooo much! I finished revising it and submitted it and I just now found out that i got a 85% which is still passing. Next time I think I can do better, it's just that i was rushing a bit since this was due today. Thanks again!!-MC

156. ## Math

I want to know did I work these problems right Multiply: ( - 6)² - 4² = 36 – 16 = 20 Multiply ( - 3) ( - 6 ) + ( 4 ) ( -2) = 18 + ( -8) = 18-8= 10 Multiply: ( - 3 ) ³ - ( - 8) ( -2) = (-3) times 3 = -9 (-8) times (-2) = 16 -9 - 16 = -25 -25 Multiply:

157. ## math

1/3 + (-5/6) + -(1/2) =

158. ## math

-1/2- (-5/8)=

159. ## Biology 12

It's midterm time! Can anyone explain the NAD cycle to me in VERY SIMPLE TERMS or have a website that might do it? I keep reading through my notes but I just can't quite get it. Thank you!

2(3a+2)=-8

161. ## Calculus

lim(x->infinity) sqrtx sin(1/sqrtx) Someone please start me off. I don't know how to find the limits of trigonometric functions.

162. ## social studies

i need help with making a poem about the alamance battle

163. ## Derivatives

Find dy/dx for the function, xy-x-12y-3=0. Is the answer -14,I got this from 1-1-12=0, which solves to -14.

164. ## Astronomy

What are two pieces of evidence that the earth is a highly differentiated body

165. ## government

what is a party system?

166. ## scirence...help

name a rock that is both felsic and intrusive. mane a rock that has high dinsity and a course grained texture.

167. ## calculus

Find the derivative of the function below in two ways. F(x) = (x - 7 x sqrt(x)) / sqrt(x) (a) By using the Quotient Rule. (b) By simplifying first.

168. ## physics

The four tires of an automobile are inflated to a gauge pressure of 88500 Pa. Each tire has an area of 0.0276 m2 in contact with the ground. Determine the weight of the automobile. Answer in units of N.

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169. ## History

What were the stages of Greek political development? Were they the natural consequence of the evolution of human society?

170. ## Math

Graph each of the equations given using a T-chart. 1. x + y = 3 2. 3x + y = -4 Help please I don't get it. Thank you,

171. ## Physics SHM

Am self studying SHM, so sorry for the elementary questions. Would someone check/confirm some facts i think I've learned please. 1 If a sine wave graph starts at the origin at time = 0s, the sysyem is in equilibrium? 2 The amplitude at t= 0s is zero. 3

172. ## human resources

How does affirmative action programs assist with managing diversity and promoting equal opportunities?

173. ## Science

I have to design a complex machine and I must follow rubric. I don't understand. Can you help me please?

174. ## physics

A 3 m, 250 N/m spring is at the bottom of a 10 m, 20 degree frictionless slope with a 30 m drop off the top of the incline. If a 10 kg wight is placed at the end of the spring when it is compressed 2 m, how fast will the block be traveling just before it

175. ## social studies

how did the waysof life of native floridians change over time????

176. ## navy college

If 1 5/8 pounds of apples cost 78 cents, how much does 1 pound cost?

177. ## Science

I need to know two waves that are invisible. Thanks this helps a whole lot, I appreciate it!!!!! -Anysa

178. ## virginia history

how did the chesapeake bay form from the susquahanna river

179. ## math

a company purchased a lathe with a useful life of 4 years and a salavage value of \$5,000.00 if the lathe cost \$45,000.00 what is the lathes first year depreciation using the sum-of-the years digits method? would it be \$12,000.00

180. ## Logic

I know this is alot of text, but i'm having trouble understanding what my professor is asking... Study questions and Homework: St. Thomas Aquinas' arguments for the existence of God. Reading and Homework due: November 6, 2008. Work through the following,

181. ## Pre-Algebra

Simpliby an expression (3(4))2