1. chemistry

Suppose you are asked to find the area of a rectangle that is 2.1-cm \rm cm wide by 5.6-cm \rm cm long. Your calculator answer would be 11.76 cm 2 \rm cm^2 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not

2. Physics

Consider a radioactive sample with a half-life of one week. How much of the original sample will be left at the end of the second week? The third week? The fourth week?

3. Calculus

You have just opened a new nightclub, Russ' Techno Pitstop, but are unsure of how high to set the cover charge (entrance fee). One week you charged $9 per guest and averaged 165 guests per night. The next week you charged$10 per guest and averaged 150

4. College Physics II (Calc-Based)

In state-of-the-art vacuum systems, pressures as low as 1.00 x 10^-9 Pa are being attained. Calculate the number of molecules in a 1.90-m^3 vessel at this pressure and a temperature of 35.0°C. Okay. So I know I have to use the Ideal Gas Law, PV = nRT, I

5. Physics

A stone is thrown vertically upward with a speed of 19.0m/s How fast is it moving when it reaches a height of 10.0m

6. world history

1. How does the story of Coca-Cola relate to the rise of capitalism and entrepreneurship in the 19th and early 20th c? 2. what is the "iron curtain"?

All of the following statements about reading skills are true EXCEPT: A. Different activities require different types of reading. B. It is not always necessary to perform a thorough reading. C. It is best to use skimming when you look for specific

8. English

What does architecture represent in the poem beowulf?

9. Math

420,983 +39,932 Estimate then find the sum

10. Geometry

Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 16x degrees, represent the measure of its supplement as an expression of x.

11. algebra

A person invested 20,000$in stocks and bonds. Her investment in bonds is 5,000$ more than half her investment in stocks. How much did she invest in stocks? how much did she invest in bonds?

39. economics

explain how and why this affects the quantity of ice cream cones demanded by consumers.

my mommy and daddy cant explain explain what is wrong with the reasoning number 5 is a composite number because it has the factors 2 and 2.5 i know its a prime number but i cant explain the answer to the question above.

41. geometry

Rhombus RHOM with acute angle H

42. Calculus

Differentiate: y=sin(2z)+cos^2z

43. psych/600

can anyone help me with the course for Axia college University of Phoenix

44. Algebra 2

Find the point of intersection. (-9/100)(x-10)^2+9=(-1/24)(x-12)^2+6 I got (16.6,0.04).

45. english

choose the plural noon that's spelled correctly. Pianoes, Fathers-in-law, Editor in chiefs.

46. math

joshan bought 78 stickers she bought 4stripsof 10 and some singles how many singles did he buy

47. Finance

Jean will receive $8,500 per year for the next 15 years from her trust. If a 7% interest rate is applied, what is the current value of the future payments? I get a rounded sum of$200,180.

48. Latin Practice

Will you please give me extremely basic sentences that I have to translate into Latin using direct objectums?

49. math

Describe the difference between an open equation and a closed equation. And on my last quest did steve mean 4,0 and 3, -2?

50. CHEMISTRY HELP! D;

1.Br2(g) + ___H2O(l) + ___SO2(g) ---> ___HBr(aq) + ___H2SO4(aq)

51. trig

if 60 m of fencing is available for a rectangular garden, one side of which is against a barn, what areb the dimensions of the garden that will give the maximum area?

52. Algebra 2 Reiny!

Find the point of intersection. (-9/100)(x-10)^2+9=(-1/24)(x-12)^2+6 I don't understand how multiplying y = (-1/2)(x-12)^2 + 6 by 600 would yield -25(x-12)^2 + 3600 ? Is it supposed to yield -300x^2+7200x-43,200+3600?

53. Fractions,Decimals,Percents

4/5=0.8=80% 27/100=0.27=27% 3/20=0.15=15% 8/9=0.88=88% 9/1000=0.009=00.9% 21/50=1.42=142%

54. Algebra

What is the difference between an open equation and a false equation?

55. math

the blueprint for landscaping a yard has a scale of 1/2'' to 1 foot.If the blueprint is a rectangle 18 inches by 22 inches, what are the dimensions of the yard?

56. English

I am doing my summer reading for 9th grade reading assignment & need to write about 10 passages from a variety of literary terms. Could you explain some of these terms?

57. Math

There are two main classes of individuals who can affect the outcome of an experiment: Those who could influence the results Those who evaluate the results When all the individuals in either one of these classes are blinded, an experiment is said to be: A)

58. Maths/Physics

An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). I know that a = 5m/s/s but I need to know at what metre within the run would maximum acceleration occur. Appreciate

59. math

if 60 m of fencing is available for a rectangular garden, one side of which is against a barn, what areb the dimensions of the garden that will give the maximum area?

60. Chemistry

Styrene is a hydrocarbon. If .438 g of the compound is burned and produces 1.48 g CO2 and .303 g of H2O what is the empirical formula of the compound?

61. Algebra 2

Find the point of intersection. (-9/100)(x-10)^2+9=(-1/24)(x-12)^2+6 I don't understand how multiplying y = (-1/2)(x-12)^2 + 6 by 600 would yield -25(x-12)^2 + 3600 ? Is it supposed to yield -300x^2+7200x-43,200+3600?

62. Chemistry

Why does a pound of feathers float, but a pound of lead sink? Is it because of how dense each group is?

63. palomino intermediate

Math? If a circle has a diameter of 42in what is the radius

64. AP Physics

#2 A spy stands on the sidewalk by an apartment building examining a foreign embassy across the street. The spy then climbs 30 m to the top the building and then slides 40 m along a wire at a 20° angle below right to reach a window on the embassy. What is

65. calculus book

sorry i am new to this website. Do any of you know any website that offer free or cheap online book. Calculus Early Transcendentals, 10th Edition NEW! Howard Anton, Irl C. Bivens, Stephen Davis THANK U.

Find the balance at the end of 6 years of $5000 investment in an account with a nominal annual rate of interest of 2.5% compounded quarterly over the first two years and then grows according to nominal annual rate of discount of 6% convertible monthly over asked by JM 67. Algebra Two Use Interval Notation to define each interval: All real numbers at least 5 units from 8. asked by Amy 68. EDU-352 What are five to seven movements in the field of educational technology that you believe the K-12 large, urban school district should pay attention to. Thank You, asked by Jake 69. budgeting After you have set your budget-related goals, the next logical step is to: A. figure out your expenses. B. make a budget worksheet. C. figure out your expected disposable income. D. try out your budget for a couple of months. asked by Vickie 70. Algebra 2 prove or disprove the following statement. Irrational numbers of the form a+√b are closed under multiplication where a and b are natural numbers asked by Moore 71. Math: please help what is an equation of the line in slope intercept form? m=2/7 and the y-intercept is (0,-12) A.) y=2/7x+12 B.) y=2/7x-12 C.) y=12x-2/7 D.) y=12x+2/7 I think the answer is C or D. I help. I don't really know how to do it. Thank You. asked by Cassie 72. pRE ALGEBRA PROBLEM:A BALL WAS DROPS 27 INCHES AFTER THE FIRST SECOND AND THIRD BOUNCE THE HEIGHTS WERE 18 12 AND 8 hOW MANY DID IT TAKE TO GET TO 3 INCHES asked by ShadowKitty 73. Physics URGENT HELP An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou. asked by Melody 74. Science stubborn: _____________ :: lively:animated asked by Gracie 75. math An investment earned interest of Php2,100 at the end of 3 years. How much was initially invested at 8% simple interest? asked by joan_asap 76. physics the rubber cord of a sling shot has a cross section 2.0 millimetre squared, and an initial length of 20 centimetres. The cord is stretched to 24 centimetres to fire a small stone of mass 10 grams. Assuming that elastic limit is not exceeded, calculate the asked by karok 77. Grammar Replace with or replace for? Sentence: I want to replace algebra (with/for) trigonometry. If I use the word with, then does that's an I want trigonometry and not algebra? If I use the word for, then does that mean I want algebra and not trigonometry? Any asked by Anonymous 78. MATH You have a bag of marbles containing 13 red marbles, 8 green marbles, 7 yellow marbles, and 7 blue marbles. What is the probability of drawing a green marble, putting the marble in your pocket and then drawing a yellow marble? asked by Kim 79. math the blueprint for landscaping a yard has a scale of 1/2'' to 1 foot.If the blueprint is a rectangle 18 inches by 22 inches, what are the dimensions of the yard? asked by emily 80. Math I need help on finding the median, and I'm not quite getting it. Question : Find the median of 3,6,7,9,9,10 I am thinking 8 because 7+9= 16 ---- 2 So, I am diving 16 by 2 which is 8. It is one of my answer choices though. Thanks asked by Ti'Nazia 81. insurance Ordinary life insurance is another term meaning the same thing as: A. term life insurance. B. decreasing term insurance. C. whole life insurance. D. level term life insurance. i think c? asked by Vickie 82. Math, HELP!! URGENT! Please Simplify: (1/8)(40v−24y)−(1/7)(21v−35y+9)−(1/6) (1/11)(55x−22)−(1/2)(18x−2v) asked by Lucas 83. MGMT303 1. (TCO 2) Organizations have both an internal and an external environment. Describe the general environment and give at least one specific example of each dimension, other than the examples given in the text and in the lectures asked by Simon 84. math one positive integer is 3 more than another. the difference of their reciprocals is 1/6. find the twonumbers. asked by christine 85. MATH I NEED HELP 1.If f (x)= square root x^2 -1 and g (x) = square root x-1 , which expression represents f (x)/g(x) for x >1 ? A. square root x-1 B. square root x C. 1 square root x+1 D.square root x+1 My answer was D. 2. f (x)=x^2 +3 upward 10 units A. g (x)= (x +13 )^2 asked by Queta 86. Algerbra 3/4t-5/6=2/3t asked by Casey 87. Physics An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou. asked by Melody 88. budgeting Emilio is employed as full-time mechanic in the service department of an auto dealer. In his spare time, he draws political cartoons and sells them to the weekly newspaper in his home town. He is paid$35 for each cartoon, which amounts to an additional

Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates

What should you do before you begin reading? A. Review the introduction and conclusion. B. Ask yourself questions about what lies ahead. C. Study graphic aids. D. Both A & B. I think its A...?

91. math

Joe and his 7 friends share 3 liters of juice how much juice each friend gets

92. Chemistry

Heat 1kg of CaCO3, get 560g of CaO. Write the reactant equations and solve the mass of CO2 that born. The CaO is 100% pure. Anyone help me, pls?

93. Math

3/10-1/10+4/10=

95. budgeting

Financial advisors generally figure that one's disposable income will be _____ percent (%) less than the gross income. A. 5 - 10 B. 10 - 20 C. 20 - 30 D. 40 – 50 I think its A or B because usually its 10%....

96. budgeting

Jamal currently earns $20,000 a year in gross wages. On January 1, he is due to receive a 2% COLA. What will his gross income be after the COLA takes effect? A.$19,600 B. $20,100 C.$20,400 D. \$24,000 I think its c...

97. English

Why use a Epithet or kennings in Beowulf?

98. Algebra I

how do I graph the quadratic function in intercept form for y=(x+3)(x-5)

99. Precalculus

Solve for a. a/a+5 - 2 = 3a/a+5

100. Algerbra

2(4-2r)=-2(r+5)

101. Grammar

When do you use... Replace with Replace for

102. Math

19+ 25/5 - (2+6) = 5+ (8-3)^2 X (8+1) =

-2n=-46