1. Whatzit puzzle

more it it thani

2. chemistry

A 49g piece of ice at 0.0C is added to a sample of water at 9.0C. All of the ice melts and the temperature of the water decreases to 0.0C . How many grams of water were in the sample?

3. Accounting

Cruise industries purchased \$10,800 of merchandise on February 1, 2007, subject to a discount trade of 10% and with credit terms of 3/15, n/60. It returned \$2,500 (gross price before trade or cash discount) on February 4. The invoice was paid on February

4. Chemistry

In Millikan's experiment, the charge on each drop of oil was measured in coulombs. Imagine the same experiment, but with charges measured in a fictitious unit called a zeet (). Drop Charge () A 1.38×10−14 B 3.22×10−14 C 3.68×10−14 D 4.14×10−14

5. physics

If you jump upward with a speed of 1.7 m/s, how high will you be when you stop rising?

6. math

Enter the expression asin(x)+15, where asin(x)is the inverse sine function.

7. Chemistry

Why during melting, particles gain energy and vibrate more, until they are able to overcome the forces that hold them in their fixed position? Why during boiling, particles gain kinetic energy and move quickly until they can completely break the forced

8. Chemistry

When 0.340 mol of butane, C4H10, are burned with excess oxygen giving CO2 and H2O, how many moles of oxygen are consumed?

9. Physics

A. You can use any coordinate system you like in order to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity at an angle θ with respect to the horizontal. Let the

10. Calculus

Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be negative if the graph lies below the axis). Find a formula for F(a).

11. Physics - Aristotle and his theory

Aristotle beleived that wood was a combination of fire, water, and earth. Use his 4 element theory to explain why a wooden boat floats on water. His theory is hard for me to understand. The only thing I know is that the boat floats on the water because the

12. Psychology Statistics

Determine whether the numerical value is a parameter or a statistic? In a phone survey of 100 random homes in a country, 21 families had garages. Is this a parameter because the data set of 100 random homes is a population? Is this a statistic, because the

13. Physics & Gravity

The acceleration due to gravity on the moon is about one-sixth its value on earth. If a baseball reaches a height of 51 m when thrown upward by someone on the earth, what height would it reach when thrown in the same way on the surface of the moon? Answer

14. College Math

A card is selected from a standard deck of 52 playing cards. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). Find the probability of selecting · an even number ten or less given the card is a not a heart. · a five

15. Statistics

Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and standard deviation of 4. There are 200 students in a sample. How many of these students will have scores that fall under the

16. Physics

A cube has sides of length L = 0.170 m. It is placed with one corner at the origin as shown in the figure below. The electric field is not uniform but is given by = (-6.00 N/C · m)x + (2.00 N/C · m)z. (a) Find the electric flux through each of the six

17. statistics

Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and standard deviation of 4 There are 200 students in a sample. How many of these students will have scores that fall under the

18. Physics

A freight train has a mass of 1.0 10^7 kg. If the locomotive can exert a constant pull of 7.5 10^5 N, how long does it take to increase the speed of the train from rest to 66 km/h?

19. basic statistics for the behavioral sciences

(a)on a normal distribution of exam scored, poindexter scored at the 10th percentile, so he claims that he outperformed 90% of his class. Why is he correct or incorrect? Because Foofy's score is in a tail of the distribution, she claims she had one of the

20. Comm 100 college

Which of the following statements is true concerning finding similarities? 1. An accurate way to assess similarities is to focus on appearance and clothing. 2.Once you find similarities, you can assume the other person will have similar views on most

21. Environmental Engineering

A bankrupt chemical firm has been taken over by new management. On the property they found a 20,000 m3 brine pond containing 25,000 mg/L of salt. The new owners propose to flush the pond into their discharge pipe leading to the Atlantic Ocean, which has a

22. Chemistry

You carefully weigh out 19.00 of powder and add it to 76.95 of solution. You notice bubbles as a reaction takes place. You then weigh the resulting solution and find that it has a mass of 88.16 . The relevant equation is CaCO3+2HCl ----> H2O + CO2 + CaCl2

23. physics

A certain car is capable of accelerating at a rate of + 0.30 m/s2. How long does it take for this car to go from a speed of 55 mi/h to a speed of 80 mi/h?

24. Physics

Problem 21.10 A proton with an initial speed of 800000 m/s2 is brought to rest by an electric field. Part B - What was the potential difference that stopped the proton? Part C - What was the initial kinetic energy of the proton, in electron volts?

25. chemistry

The Managing Director of a well-known company on Wall Street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently. One day she decides to go to her primary healthcare provider for a routine checkup. The healthcare provider

26. Physics

A car is moving at 10 m/s when it begins to be accelerated at 2.5m/s2. how long does the car take to reach a speed of 25 m/s? How far does it go during this period?

27. physics

A purse at radius 1.70 m and a wallet at radius 2.50 m travel in uniform circular motion on the floor of a merry-go-round as the ride turns. They are on the same radial line. At one instant, the acceleration of the purse is (1.90 m/s2) + (3.00 m/s2). At

28. algebra

a rectangular garden 70 m wide and 100 m long is to be enclosed by a face.if the face posts are placed evey 10 m how many posts will be needed?

29. religion, social studies

How did the ancient Hebrews maintain their religion as they traveled from place to place?

30. communications100

In which of the following instances are people more likely to look directly at their conversational partner? 1when you are discussing intimate topics 2.when you are talking rather than listening 3.when you are trying to dominate your partner 4.when you are

31. trig

whats the horizontal distance traveled by a model rocket launched with an intitial speed of 120 feet per second when the rocket is launched at an angle of 60 degrees

32. Chemistry

How many moles of H2O (g) are produced when 4.3 grams O2 (g) are consumed? C4H6+O2-->CO2+H2O My try at balance is: C4H6+4O2+3/2O2-->4CO2+3H2O

33. comm 100

Which of the following statements accurately expresses the differences between verbal and nonverbal behavior? 1.Nonverbal behavior has similar grammar and patterns to verbal communication. 2. Verbal behavior is less ambiguous; nonverbal is more ambiguous.

34. physics

(A)A runner is jogging at a steady 7.7 km/hr. when the runner is 3.9 km. form the finish line, a bird begins flying from the runner to the finish line at 46.2 km/hr (6 times as fast as the runner). When the bird reaches the finish line, it turns around and

35. English

I can't find proper synonym in 1 and 3 and I'm not sure about punctuation whenusing linkers.Thank you. 1) Teenagers sometimes feel as if they are caught in a No-Man’s-Land (synonym?) between childhood and adulthood. 2) On the one hand, they want to be

36. Physics

A 44.0 kg man stands on a bathroom scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.90 m/s in 1.19 s. It travels with this constant speed in the upward direction for the next 7.60 s. The elevator then slows

37. Math

During a 220 meter relay race, Jack begins at the starting line and runs for 4 minutes and then passes the baton to Jill. She runs for 3 minutes and finishes the race. If Jack can run 20 meters per minute faster than Jill, then what is Jack's rate of

38. Calculus II

Find the volume of the solid whose base is the semicircle y=sqrt(16−x^2) where −4 is less then or equal to x which is less then or equal to 4, and the cross sections perpendicular to the x-axis are squares.

39. Physics - The scientific method

Is the scientific method a clearly-defined set of steps and procedures? I don't think so... There is not just one scientific method, and each one probably involves solving things in a different way.

40. Statistics

1. The mean and standard deviation of the grades of a group of students who took an economic exam  were 69 and 7, respectively. The grades have a mound-shaped distribution. According to the Empirical Rule,    a) Approximately 68% of the grades were

41. grammar

Identify the sentence written in standard English. a)I couldn't find my hat not anywhere. b)I couldn't find my hat nowheres. c)I couldn't find my hat anywhere. d)I couldn't find my hat anywheres

42. Algebra

A cat can jump the height of up to 5 times the length of it's tail.How high can a cat jump if it's tail is 13 inches long? Please write a multiplication or division equation

43. physics

A truck is traveling with a uniform velocity 24 m/s, when it passes a car at rest, at this instant the car starts to move and accelerate at the rate of 6m/s^2 in the same direction as the truck. a.) How long will it take the car to overtake the truck b.)

44. Genetica

Say a normal woman, whose father had hemophilia, marries a normal man. Do you know what would be the probability that their first child will have hemophilia and could you explain it to me? I'm clueless

45. psychology

if there is a positive correlation between the number of computers one possesses and the person’s heart health. what is a third variable (X) that may explain this correlation that is a cause of each one of the two variables. If X goes up the number of

46. math

write the opposite, reciprocal, and absolute value of each number . A: -1/2 #: 4 C: 0

47. Math

A single card is drawn from a standard deck of cards. Find the following probabilities. A face card is a jack, queen, or king. P(face card | queen) ________ P(king | face card ________

48. science

(A)A runner is jogging at a steady 7.7 km/hr. when the runner is 3.9 km. form the finish line, a bird begins flying from the runner to the finish line at 46.2 km/hr (6 times as fast as the runner). When the bird reaches the finish line, it turns around and

49. Physics

Heyy is anybdy good at physics I am stuck on this question ... ... A camper van with a mass of 2500 kg has a maximum driving force of 2650 N. The camper van drives along a straight road at a constant speed of 90 kilomatres per hour. At this speed, air

50. Physics

A raindrop of mass 61.60 mg (that is milli- gram) falls in quiet air (no wind). Due to the air resistance force, the drop has a maximum velocity called the terminal velocity of magnitude, 11.00 m/s, which is reached high above ground. What would be in N

51. math

If Jill climbed 100 feet more, how many feet above sea level would she be?

52. Physics

A bus travels 270 km south along a straight path with an average velocity of 89 km/h to the south. The bus stops for 25 min, then it travels 250 km south with an average velocity of 68 km/h to the south. How long does the total trip last? Answer in units

53. Chemistry

Elemental sulfur occurs as octatomic molecules, S8. How many moles of fluorine gas, F2, are needed for complete reaction with 50.5 g sulfur to form sulfur hexafluoride? Do not enter units.

54. Chemistry

Elemental sulfur occurs as octatomic molecules, S8. How many moles of fluorine gas, F2, are needed for complete reaction with 50.5 g sulfur to form sulfur hexafluoride? Do not enter units.

55. physics

A ball on the end of a string is whirled around in a horizontal circle of radius 0.22 m. The plane of the circle is 1.69 m above the ground. The string breaks and the ball lands 2.68 m away from the point on the ground directly beneath the ball’s

56. Physics - The Branches of Physics

Give at least one example of an application of each branch: Motion -cellphone Properties of Materials Sound -Radios Light -Candle Electricity -Calculator Magnetism -VCR's Properties of atoms -Computers Nuclear physics -? Could you check to see if Ive done

57. Spinal Cord Injury @ T5

I'm not quite understand how spinal cord injuries work. If you have a complete spinal cord injury @ T5, what does that mean in terms of what you can do? There is so much info on the cervical region of the spinal cord but I can't find much on the thoracic

58. communications

Which would be an appropriate way to use the DECIDE tool in response to research suggesting that there are differences between the way men and women communicate? 1.Define your communication goal regardless of the differences. 2. Not evaluate the

59. Chemistry

Not sure of my answers, pls help me out. I have to indicate the kinds of intermolecular forces that occur between the solute and the solvent in which the molecule is most soluble. a) glucose b) naphthalene c) dimethyl ether d) alanine (an amino acid)

60. statistics

write a data set that fits the following description. there are 7 numbers in the data set the minimum is 17 the range is 45 the median is 32 the mode is 41

61. Math

Jack is riding his bike 65 miles in on an 8 hour ride. He is riding up Mt. Hood, which is 11,249 feet. How many feet will Jack travel today?

62. math

arrange the following from least to greatest 3/8,2/4,6/9,9/12

63. physics

A soccer ball is kicked from the ground with an initial speed of 20.4 m/s at an upward angle of 41.0˚. A player 42.2 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the

64. Math

Chris works an electrician with the Central Electric Company. He earns \$16.25 per hour with time and a half after 40 hours. If he works 43 hours Monday through Friday, how much will he earn?

65. math

application of the laws of exponent. show different ways of simplifying each of the following expression. answer the question that follow. 1. 2^5 * 2^4 2. x^4 * x^7 3. (3^2)^3 4. (m^4)^5 5. (5^3 * 2^2)^2 1. how did you simplify each expression above? 2.

66. English

I left out a few sentences on family relationships I'd like you to check. Thank you. I think the word choice an be improved. 1) Teenagers sometimes feel as if they are caught in a No-Man’s-Land (synonym?) between childhood and adulthood. On the one hand,

67. blc

The ratio of pennies to dimes I have is 3:5. I have a 2:3 ratio of dimes to quarters. If I have 75 quarters, how many pennies do I have?

68. Genetics

A male with singed bristles (sn) appeared in a culture of Drosophila. How would you determine if this unusual phenotype was due to an X-linked mutation? Can you show the crosses that you would do to determine this?

69. science

an object is ejected sideways with a speed of 10 meters per second, a height of 78.4 meters above the ground. How long does it take to reach the ground?

70. English

Hi everyone! I need some help in answering the following questions for a class task: N.B**I ALREADY HAVE SOME OF THE ANSWERS BUT IT WOULD BE GREAT TO ADD MORE FACTFUL INFROMATION** Compare the island in the opening and closing chapters of the novel(10)

71. math

find the ratio of the volume of a sphere with a radius of 10 meters to the volume of a cube with a side of 10 meters

72. College Math

Sales at a computer retail store were \$1,000,000 in 1982 and \$1,790,000 in 1987 let x=0 represent 1982 find the equation giving year sales. estimate sales in 1990. Could you guys help me with this.

73. Math

A square is 10.5 sq ft by 10.5 sq. ft. The tiles used are 1 sq. ft. How many tiles will be used to fill the space?

74. English

I'm finding it difficult to summarize a newspaper article on the Sundance Film Festival. Would you please help me with synonyms? 1) The festival is held in Park City, Utah and represents one of the world’s premier showcases (synonym: main settings?) for

75. math

john had an unpaid debt of \$1,177.79 on a credit card at the beginning of the month. He made a payment of \$430.00 and made purchases of \$366.02 during that month. If the interst rate of john's credit card was 4.5% per month on the unpaid balance,find his

76. algebra

Ms. Sue, I apologize, but all I'm getting is answers, I need to know how to work them out myself as my teacher didn't make himself clear.

77. Physics

A 46.0 kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.85 m/s in 1.07 s. It travels with this constant speed for the next 6.80 s. The elevator then slows down (undergoes a uniform

78. Math

(5x-9y+8)-2(3x-7y+5)

79. Math

Find the equation of the circle that satisfies the given conditions. Center at the origin and passes through (7, 9) 130 = ?

80. MATH(order of operations help)

Why do we need the order of operations? What is the order of operations?

81. college math

write the decimal as a fraction or a mixed number. write your answer in simplest form. .3282 so far i got this, 3282/100,000 then simplified to 1641/50,000

82. geometry

Find the perimeter of a triangle who's vertices are X(-6,2), Y(8,2), and Z(3,14).

83. math

write the opposite, reciprocal, and absolute value of each number . A: -1/2 #: 4 C: 0

84. Trigonometry

In a right triangle ABC, C = 90°, B = 38° 35' and a = 6.434 mi. Solve for all the missing parts using the given information. (Round each answer to three decimal places for sides and to two decimal places for angle.)

85. Scientific Notation

Just started learning about the scientific notation, and its actually quite easy, but I don't know why im still struggling with it. For example it says express the following measurements in scientific notation: 5800m The answer is 5.8 * 10^3 What confuses

86. Comp 156

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

87. English

Could you please check these sentences, especially the word-choice and sentence connectors? 1) Marcus Shawcross believes that the television had turned the average person into a mindless lump (synonym) who just obeys what the television tells him. 2) He is

1+1/12+1/3

89. Finite

write an equation of a line containing the given point and perpendicular to the given line(4,7);4x+y=8

90. math

Find the amount of compound interest earned in an account that opens with \$21,000, earns 5.4% interest compounded daily, and is held for 15 years. Assume 360 days in a year. (Round your answer to the nearest cent.)

91. Algebra II

One half of the sum of three consecutive multiples of 10 is 90. What are the multiples of 10?

92. Algebra II

Solve the following equation for v: S = (-1/2)gt2 + vt

93. english

could you please explain me how to use the following verb forms effectively along with constructions : 1. to be 2. to be able 3. have been able

94. Calculus

Graph of a piecewised function is f(x)=1, x>0 and f(x)=-1, x-3 I did the following: My f(x)=1, x>0 graph started from the point (0,1) and extended right infinitely. My (x)=-1, x-3 the limit is undefined. I know the correct answer is lim f(x)=-1 as x-->-3

95. English

Hi can you please help correct this paragraph or give me direction. Thank you, the assignment is: Your cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You

96. Biology

Define th seven characteristics of living organisms?

97. Genetics

What is the difference between genetic inheritance and epigenetic inheritance?

98. Math

How many feet of climbing in one day on a 65 mile ride over Mt. Hood (Mt. Hood is 11,249 feet)?

99. Math

Solve for a: -2(4a+8)=24

100. algebra

which of the following expressions can be used to increase 8500 by 2.5%. a. 8500x1.025 b.8500x0.125 c.8500x0.025

101. English

Thank you very much. I'm doubtful about the verb choice in these three sentences. Can you please have a look at them? 1) The journalist believes that parents should give their teenagers space to find their own identity by letting them make their own

7x+8(2y+2x)

103. Math

Could someone explain to me how to work these math problems. Thanks. -4 -n -4n + 15 -10 - (-7n) + (-9n)

104. math

if john had an unpaid balance of \$1,854.80 on his credit card statement at the beginning of the month and he made a payment of \$45.00. If the interest rate of john's card wasw 2.5% on the unpaid balance per month. find the finance charge and the new

105. Biology

How much NaC3H5O3 (in grams) is needed to create a 1000 ml volume of Ringer’s lactate solution

106. Math (probability)

A used car sales lot has 25 vehicles manufactured prior to 1990, 36 vehicles manufactured between 1990 and 1995, and 31 vehicles manufactured after 1995. If a car is picked at random, what is the probability that it was manufactured after 1995?

107. chemistry

WHAT ABOUT mixing solid sulphur & iron filings

108. English

Can you check these other sentences, too. Thank you. 1) Michael Brown believes that shows such as the “Funniest Home Videos” have a negative effect on the children. 2) They show children making fun of their parents while the TV hosts, along with the

109. kcc ..... mechanics(sub)

2 spherical ball aer kept inside ..weight of ball a 3000N. weight of ball b 2000N.. and all surfaies are smooth find the reaction between ball and container............plz sir give me the answer this question ...in this question figure is given but i m not

110. Math

If a,b,c are the roots of x^3-2x^2+x-3=0, find the value of (b+c)(c+a)(a+b)

Could 8th grades books to read? I am more on a college/highschool reading level but i need the appropriateness for an 8th grader. thanks.

112. animals

im moving and i have cats. Is it ok to let them out the first day or do i need to wait?

113. Math

Write the following argument symbolically and then determine its validity: 1. If you are fair-skinned, you will sunburn. 2. If you sunburn, you will not go to the dance. 3. If you do not go to the dance, your parents will want to know why you didn't go the

114. science

is there an explanation for sliding rocks in the death valley dried up lake? and if not do u have a hypotheis on how they do? this is making ne stressed trying to find an answer but this is very interesting?

asked by SJH all the way_<3
115. Genetics

Can you help me determine the phenotype and proportions expected from these crosses in chickens? a) RR Pp x rr Pp b) rr PP x Rr Pp c) Rr Pp x Rr pp

116. english

I am having a hard time coming up with a theme for the book "Once upon a town" can someone help me?

117. Chemistry

How many atoms of Fe do you have if you have 3.76*10 to the power of -2 mole of iron atoms?

I need to know how to work this math problem: 3n + (-7) -5n +1

119. algebra

how do i simplify -10 - (-7n) + (-9n)

120. math

a company borrowed \$3100. it must make monthly payments of \$178.37 for 18 months to pay off the loan. Ust the constant ratio formula to find the annual percentage rate...thanks for helping me....kk

121. physics

The speed of a point on a rotating turntable, which is 0.264 m from the center, changes at a constant rate from rest to 0.902 m/s in 1.94 s. At t1 = 0.64 s, find the magnitude of the tangential acceleration. Answer in units of m/s2 I assumed the velocity

122. Alg

.Write an algebraic expressoin for4 times the sum of q and p HELPPP PLZZZ :)

123. Math

Hello. I am trying to help out my sister and find patterns in numbers.... Ex/ 1+2 2+2 3+2 4+2 My question is... I can't figure out what the pattern is in the following set... 1 goes to 4 2 goes to 7 3 goes to 10 and 4 goes to 13...... I initially thought

124. English

How are the classes you are taking this quarter going? How is the classes you are taking this quarter going? I often get confused. Which one is the correct way to say it?

125. Pre-Calc

I'm so stuck-this stuff is so far above me right now-Please help where do I even start? Any hint would be so helpful- (3x^3-5^2+6x-9)/(x+5) or can someone direct me to a site that can solve this and show the steps-I don't even know where to start Thank you

126. Shop

Answer each statement with either T if it is true or F if it is false am not sure sure with these so please help 11. Moving machinery can be wiped clean if done properly 12. In an emergency, machines can be operated without guards 13.Dull cutting tools are

127. math

[-8+(-1)]+[8+(-6)]+(-6) Am I doing this right? I think I'm confusing myself please help... I have: [-8-1]+[8-6]-6 [-9]+[-2]-6 -11-6=-17

128. English

Could you please check how I turned the sentences from direct into indirect speech? Thank you. 1) Look, Merlin, Arthur said, “the word Excalibur is written on it.” “Yes, Excalibur is the greatest sword in the world. But its scabbard is more

-8/3•2

130. Math

Calculate the distance between latitude 4¤N and 14¤N of the equator on the same longitude 3¤E

131. algebra

simplify : 1/2( 2x-1)-(3x-3/2)

132. What is a counter

What is a counter

133. trig

tan ø = 5; Quad I How do I find the other 5 function values?

134. Math

Hi, I was just curious if anyone remembers how to turn a repeating fraction into a decimal?

135. algebra

translate the sentence to an algebraic inequality.The height of the members of the basketball team is at least 79 inches. want to know if this right Height A+HeightB+HeightC+HeightD+height E>=79

136. Microeconomics

What would happen if the government decided to limit the number of CD players that could be imported into the United States?

137. us history

who first told Nixon about Watergate?

138. Algebra help

Find the requested probabilities. P(B) if P(B)=1/5

139. Opinion

What makes parallel a samurai with a warrior hero? what tells us that the warrior heroes of different societies and cultures have so much in common? How unique are the samurai compared to the other warrior heroes?

140. Opinion 2

Which do you think says more about a culture and what it believes in: the warrior heroes of history that a society honors, or the warrior heroes of fiction a society creates?

141. functions

what is the domain of f(x)={2x^2 -2,if x < or= 1 {x+1,if x>1?

142. Comp 156

Write a paragraph of at least 200 words identifying three challenges that might arise when writing a paper.

143. Comp 156

Explain the time management strategies you will use when writing a successful academic paper.

144. Math

Evaluate if r=-8: |-15-r|+|r|=

145. Pre-Calc

I'm so stuck-this stuff is so far above me right now-Please help (3x^3-5^2+6x-9)/(x+5) or can someone direct me to a site that can solve this and show the steps-I don't even know where to start Thank you

146. geometry

MN and ML are oppisite rays if

147. Math

What is greater 92.784 or 92.0784

148. statistics

MEAN=80,SD=10, S=8, N=25 E(M)= SE(M)=

149. Math

The Orange County Teachers' Credit Corp. offers an account which pays 14% compounded quarterly. What is its effective rate of yield?

150. History

The Earliest Remains Of Hominid Ansestor Of Human Have Been Found In Which Region.? Anyone Could Answer This