# Questions Asked onOctober 20, 2015

1. ## AP physics

A child on a sled reaches the bottom of a hill with a velocity of 10.0m/s and travels 25.0m along a horizontal straightaway to a stop. If the child and sled together have a mass of 60kg, what is the average retarding force on the sled on the horizontal

2. ## stats

if the relation between x and u is 3x + 4u + 7 = 0 and the correlation coefficient between x and y is -0.6, then what is correlation coefficient u and y a)-0.6 b)0.8 c)0.6 d)-0.8

3. ## Algebra plz help

1.Identify the domain and range of the following relation. {(3,7),(3,8),(3,-2),(3,4),(3,1)} A.Domain:{3} Range:{-2,1,4,7,8}**** B.Domain:{-2,1,4,7,8} Range:{3} C.Domain:{all real numbers} Range:{all real numbers} D.Domain:O/ Range:O/ 2.Determain whether

4. ## Calculus

Find constants a and b in the function ax^b/ln(x) such that f(1/5)=1 and there is a local min at x=1/5

5. ## English

Identify the correct sentence: A.A great year for music was 1984 B.Nineteen eighty four was a great year for music. C. 1984 was a great year for music. D.A great year for music was nineteen eighty four. C.

6. ## Lnguage Arts

There is a paragragh and I have to circle dependent clauses an underline independent clauses. The paragraph is as follows: Although some people are afraid of ninjas, since they kill tons of people, I think they're cool. Because Ninjas have so many enemies,

7. ## Math

How would you write cos(tan^-1u) as an algebraic expression in u? I know the answer, and I've seen tutorial on how to do it using pathagorus, but how would you do this using identities?

8. ## math

Your state charges 5% sales tax on product on nonfood items. You're buying a light bulb for \$3.00, cereal for \$2.50, and an orange for \$.50. What will be the grand total of your bill?

9. ## physcial science

A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage? A. 8 volts B. 150 volts C. 640 volts D. 600 volts

10. ## Algebra 2

A six-sided die is rolled six times. What is the probability that the die will show an even number exactly two times?

11. ## math

What is 26cm:4m ratio in simplest form?

12. ## Physics

Holding a long rope by its upper end, you lower it onto a scale. The rope has a mass of 0.160 kg per meter of length, and is lowered onto the scale at the constant rate of 1.30 m/s. (1) Calculate thrust. (2) At the instant when the amount of rope at rest

13. ## MATh

-5g - 6 for g= -2 4 16 10 -13 write an algebraic expression for the sum of 3 coins and c coins c+3 c/3 3c c-3 what value of x is a solution to the equation x-2=16 14 18 21 12 z/-12=-5 7 -60 -17 60 estimate the solition of the equation x-8.1=5.3 to the

14. ## help

If you know the power rating of an appliance and the voltage of the line it is attached to, you can calculate the current the appliance uses by A. multiplying the voltage by the power. B. subtracting the power from the voltage. C. dividing the voltage by

15. ## Calculus 1

Sketch the graph of f by hand and use your sketch to find the absolute and local maximum and minimum values of f. (If an answer does not exist, enter DNE.) f(t) = 6 cos t, −3π/2 ≤ t ≤ 3π/2

16. ## physics 11

A swimmer swims perpendicular to the bank of a 20.0 m wide river at a velocity of 1.3 m/s. Suppose the river has a current of 2.7 m/s [W]. (a) How long does it take the swimmer to reach the other shore? (b) How far downstream does the swimmer land from his

17. ## algebra

A manufacturer produces two types of bottled coffee drinks: cappuccinos and cafés au lait. Each bottle of cappuccino requires 6 ounces of coffee and 2 ounces of milk and earns a profit of \$0.40. Each bottle of café au lait requires 4 ounces of coffee and

18. ## physics

A truck loaded with sand accelerates along a highway. The driving force on the truck remains constant. What happens to the acceleration of the truck as its trailer leaks sand at a constant rate through a hole in its bottom?

19. ## English / Punctuation

Identify the correct sentence, A. Give me a call tomorrow, Veronica, when you get home,so we can discuss the details of the upcoming event. B.Give me a call tomorrow, Veronica, when you get home so we can discuss the details of the upcoming event. C. Give

20. ## physcial science

Which of the following statements about Ohm’s Law is true? A. Increasing the voltage decreases current. B. Keeping the same voltage and decreasing resistance decreases the current. C. Ohm’s law relates power, current and resistance. D. To increase the

21. ## Algebra

he larger of two numbers is eight more than five times the smaller number. The sum of the two numbers is 74

22. ## History

1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in

23. ## MATH

I NEED HELP -5g - 6 for g= -2 4 16 10 -13 write an algebraic expression for the sum of 3 coins and c coins c+3 c/3 3c c-3 what value of x is a solution to the equation x-2=16 14 18 21 12 z/-12=-5 7 -60 -17 60 estimate the solition of the equation x-8.1=5.3

24. ## Physics. Appreciate the help I can get.

A 400.0 kg mass experiences a horizontal push force of +720 N and a friction force of 320 N. A) assuming the mass is initially moving at 5.0 m/s how far will it travel in 6.0s? B) how much work does the 720.0 Newton force do over the distance determined in

25. ## U.S History

1. How did the muckrakers help spark the Progressive movement? A: The muckrakers investigated social problems and published their findings. The muckrakers' articles led to a general public debate on social and economic problems and put pressure on

26. ## physcial science

A device that changes mechanical energy to electrical energy by rotating a coil of wire through a magnetic field is called a(an) A. transformer. B. generator. C. electromagnet. D. current meter.

27. ## physcial science

What creates a magnetic field? A. charged particles that do not move B. moving electric charges C. gravity D. an isolated magnetic pole

28. ## Math -real numbers

Which statement is false? A) the number zero is a rational number. B)some irrational numbers are also rational numbers. C)Every irrational number is a real number. D) every integer is a rational number These questions get me every time:( I think it is D

29. ## math

Leroi and Sylvia both put \$100 in a savings account. Leroi decides he will put in an additional \$10 each week. Sylvia decides to put in additional 10% of the amount in the account each week. 1)Who has more money after the first additional deposit? Explain.

30. ## statics

A store clerk filing an order for 17 models of a new smart-phone inadvertently pulled some older models and included them in the order. There are 25 new models and 12 older models in stock when the clerk filled the order. Determine the probability that the

31. ## Physics (A-level)

A ball was projected horizontally at a speed of 0.52 m s–1 across the top of an inclined board of width 600 mm and length 1200 mm. It reached the bottom of the board 0.9 s later (Figure 4). Calculate: a the distance travelled by the ball across the

32. ## Math

Nick made an array that has 10 counters.Draw 4 arrays that he might have made.

33. ## venture

is increasing the entrepreneurial orientation of firm always a good thing? or are there circumstance or environment in which further pursuit and opportunities can diminish firm performance?

34. ## math

Kim uses decals to decorate 5 cars and 2 bikes. she uses 2/3 of the decals on the cars and 2/5 of the remaining decals on the bikes. She has 6 decals left. How many decals does she use on each car? 2/3 of decals on 5 cars 2/5 of remaining on 2 bikes. 6

35. ## Algebra 1 HELP PLEASE!

suppose P equals {0,1,2,3,4,5,6,7,8,9} and V equals {2,4,6,8,10,12,14,16,18,20}. What is P (circle) V?

36. ## SS HELP PLZ

1)Which of the following does NOT concern dividing up the earth into smaller sections? A. Parallels B. Meridian C. Cardinal Directions**** D. Hemispheres 2)Which of the five themes includes human and physical features at a specific location? A. Locations

37. ## maths

tom and jerry travel from bedok to jurong, a distance of 34km. tom is moving at 1/2 km/h faster than jerry and it took tom half an hour earlier to reach jurong. find the speed at which tom is moving?

38. ## U.S. History

1. How did the muckrakers help spark the Progressive movement? A: The muckrakers investigated social problems and published their findings. The muckrakers' articles led to a general public debate on social and economic problems and put pressure on

39. ## SCIENCE HELP ASAP

1 . What is the major difference between ectotherms and endotherms? A. whether or not the animal builds nests on land B. whether or not the animal has been found on several continents C. whether or not the animal maintains a constant body temperature D.

40. ## math

one bottle of shampoo costs \$6 for 8 ounces.A second bottle costs \$4 for 5 ounces of shampoo.Which has the lower unit rate?How much lower?

41. ## Math

Please help me with my midterm review my teacher was out sick today and idk how much longer she will be but my midterms Thursday. She only helps people who she has seen done there midterm review and gotten over half of it right so can any of you please

42. ## algebra

A train leaves Orlando at 3:00 PM. A second train leaves the same city in the same direction at 5:00 PM. The second train travels 20 mph faster than the first. If the second train overtakes the first at 10:00 PM, what is the speed of each of the two

43. ## English I

[A Lion asleep in his lair was awakened by a Mouse running over his face.] Losing his temper he seized it with his paw and was about to kill it. The Mouse, terrified, piteously entreated him to spare its life. "Please let me go," it cried, "and one day I

44. ## Intro to Ecology

Global estimates of denitrification in terrestrial ecosystems vary widely but are of the order 200*102 g/yr, and more than half of that total occurs in wetland ecosystems. If restoration results in an increase in wetland area by approximately 25%, it would

45. ## math

An aeroplane was flying at a height of 1800m if it descends at a constant rate of 60m every minuite then what will be its temperature after 15minuites?

46. ## finance

onsider a four-year project with the following information: initial fixed asset investment = \$570,000; straight-line depreciation to zero over the four-year life; zero salvage value; price = \$30; variable costs = \$22; fixed costs = \$210,000; quantity sold

47. ## St charles

The third term of an A.P is 8 and 9th term of the A.P.exceeds three times the third term by 2.find the sum of its first 19th terms.

48. ## MaTh

-5g - 6 for g= -2 4 16 10 -13 write an algebraic expression for the sum of 3 coins and c coins c+3 c/3 3c c-3 what value of x is a solution to the equation x-2=16 14 18 21 12 z/-12=-5 7 -60 -17 60 estimate the solition of the equation x-8.1=5.3 to the

49. ## algebra

a certain molecule contains twice as many atoms of hydrogen as oxygen and one more atom of carbon than hydrogen. If there are 21 atoms altogether in the molecule, how many atoms of carbon are there?

50. ## Math

The ratio of the number of men to the number of women to the number of children in a theater is 3:5:2 there are 69 men in theater A.how many more are there in the theater B.how many children are there in theater

51. ## Chemistry

Microwaves, such as those used for radar and to heat food in a microwave oven, have wavelengths greater than about 3 mm. What is the frequency of radiation of wavelength 13.82 mm?

52. ## matH

-5g - 6 for g= -2 4 16 10 -13 write an algebraic expression for the sum of 3 coins and c coins c+3 c/3 3c c-3 what value of x is a solution to the equation x-2=16 14 18 21 12 z/-12=-5 7 -60 -17 60 estimate the solition of the equation x-8.1=5.3 to the

How much time will it take a car travelling at 88 km/hr (55 mi/hr) to travel 500km?

54. ## Calculus

Estimate the relative rate of change of f(t)=5t^2 at t=4. Use change of 0.01.

55. ## Chemistry

a runner eats granola bars for energy on her 100.0 mile run. Each bar contains 250.1 calories She burns 96.15 calories per km that she runs. How many granola bars does she need to equal the number of calories that she burns? There are also answers to

56. ## Chemistry

A liquid has a density of 4.32 pounds/gallon. What is the mass in kg of 3.201 liters of this liquid? Possible Answers: A) 1.66*10^3kg B) 23.7 kg C)8.05*10^-6kg D)0.0888kg E)1.27kg F) none of the above

57. ## Physics 101

Calculate the increase in length of a 250.00 meter long concrete bridge if it's temperature increases from 10.0°C to 39.0 °C? The coefficient of expansion of concrete is 9.8 X 10^-6 (1/°C)

58. ## Language Arts

what kind of essay is the selection? A. Persuasive ***** B. Reflective C. Expository D. Descriptive

59. ## Math

I don't get how to solve this problem!help 3x(2x^3y) ^6

60. ## MATH

2.8x=-9.24 12.04 -0.030 -3.3 -12.04

61. ## chemistry

A runner eats granola bars for energy on her 100.0 mile run. Each bar contains 250.1 calories. She burns 96.15 calories per km that she runs. How many granola bars does she need to equal the number of calories that she burns?

62. ## math

john has 24 baseball cards. chard has 13 more cards than john. draw a comparison problem to illustrate how to solve the problem, then slove

63. ## Math Help!

An estimate for -^66 is A. -6 B. -7 C. -8 D. -9 I'm not sure How to do this problem?

64. ## Math

Simplify 3^2 x 5^-3 x 2 Divided by 2^-8 x 3^5 So confused!!

65. ## programming in basic

1 If four statements are entered with the same statement number, the computer will accept the ______ statement with the duplication statement number

66. ## Physical Science

Explain how you can use Boyle's law to determine the new volume of a gas when it's pressure is increased from 270 kPa to 540 kPa? The original volume of gas was 1 l. Assume the temperature and number of particles are consistent. What is the new volume?

67. ## Biology

How much sterile saline would you have to add to add to 0.25 mL of a serum sample in order to prepare 1/50 dilution of the serum?

68. ## Math

Sheryl spends \$9 dollars a week and \$30 dollars a month on dry cleaning

69. ## Uhikty

Math The GCF of two numbers is 5. The LCM is 60. One of the numbers is 20 what is the other number?

70. ## Math

A researcher wants to estimate the mean blood cholesterol level of young men ages 15-25 with a 97.59% confidence interval. The blood cholesterol level of young men follows a Normal distribution with standard deviation σ = 15 mg/dl. How large a sample

71. ## NFCS

A runner is going 3.00 m/s. When he sees the finish line he accelerates at a constant rate of 0.219 m/s2 for the last 11.2 seconds. What was his change in velocity during this time?

72. ## Art

How would the artist ensure that the backgroud imagery appears to be in the distance? Landscape with a staircase and a balustrade by Jean Baptiste Oudry.

73. ## Math

Sara has some fish,2 birds, and 5 hamsters.she has 6 fewer hamsters than fish. How many fish does she have?

A) Use the principle of conservation of energy to calculate the maximum height reached by a projectile shot straight up from ground level with a speed of 120.0 m/s B) What real force (a manifestation of one of the fundamental four forces) would cause the

75. ## Social Studies

PLEASE CHECK THESE MS. SUE!!!!!!!!!!! 3. The Pilgrims wrote the Mayflower Compact to establish ______. a. blue laws b. religious toleration c. government by consent*************** d. representative government 6. Which of the following was not a challenge

76. ## art

how to draw a mouse

77. ## Physics

A 400.0 KG mass experiences a horizontal push force of +720N And friction force of 320N A) assuming the mass is initially moving at 5.0 m/s far will it travel in 6.0 s? B) how much work does the 720.0 newton force do over the distance determine in part a?

78. ## Physics

Two particles are fixed to an x axis: particle 1 of charge q1 = 1.73 ¡Ñ 10-8 C at x = 30.0 cm and particle 2 of charge q2 = -4.41q1 at x = 78.0 cm. At what coordinate on the x axis is the electric field produced by the particles equal to zero?

79. ## Physics

A 400.0 KG mass experiences a horizontal push force of +720N And friction force of 320N A) assuming the mass is initially moving at 5.0 m/s far will it travel in 6.0 s? B) how much work does the 720.0 newton force do over the distance determine in part a?

80. ## physics

A 66 kg man's arm, including the hand, can be modeled as a 78-cm-long uniform cylinder with a mass of 3.6 kg . In raising both his arms, from hanging down to straight up, by how much does he raise his center of gravity?

81. ## History

Can someone please help me with this history question? I looked for the answer but couldn't find it in my lessons or through the internet... Question~ What is a modern day example of judicial review

82. ## maths

A man swim at a speed of 50m/min, swims 100m against the current and 100m with the current. if the time difference between the two times is 3min 45sec. find the speed of the current?

83. ## Math Help!

An estimate for ^123 is? A. 10 B. 11 C. 12 D. 13 How do I do this please help!!

84. ## Math

Marco ran from his house 2.67 miles to a country park. He then ran the 1.5 mile across the loop at the park and back home. How many miles did he run altogther?

85. ## Science

1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in

86. ## maths

a water tank is filled by two pipes in 48 minutes. if the larger pipe fill it alone in 40 minutes less time the smaller pipe. find the time it takes for the smaller pipe to fill the tank alone.

87. ## Math Help!

An estimate for ^3 is A. 1 B. 1.2 C. 1.7 D. 2 How do I find the answer? Help please?

88. ## Counting and Probability

We call a number special if every digit in the number either is a 1 or borders a 1. For example, 11111, 13, 141, 1441, 515151, and 101 are all special, but 10001, 222, 122, and 1333 are not special. How many 2-digit numbers are special?

89. ## physcial science

The type of current in your home is mostly A. direct current. B. alternating current. C. series current. D. produced by batteries.

90. ## Counting and Probability

There are 5 boys and 4 girls in my class. All of them are distinguishable. In how many ways can they be seated in a row of 9 chairs such that at least 2 boys are next to each other?

91. ## physcial science

What type of current is produced by a battery? A. parallel current B. alternating current C. direct current D. potential current

92. ## Math

Hailey has bottles that hold 678 pennies each. About how many pennies does she have if she has 6 bottles filled with pennies?

93. ## Math

Can someone please help/show me how to Graph linear equations?? Directions~ Graph the following linear equations by plugging in values for x, solving for y, and keeping track of your x- and y-values in a table. You should determine at least three points on

94. ## U.S. History (Ms. Sue)

1. How did the muckrakers help spark the Progressive movement? A: The muckrakers investigated social problems and published their findings. The muckrakers' articles led to a general public debate on social and economic problems and put pressure on

95. ## Marh

what is the nearest square mile for 59,424.02?

96. ## College Physics

A 1670 kg car rolling on a horizontal surface has a speed of 80 km/hr when it strikes a horizontal coiled spring and is brought to rest in a distance of 6.5 m. What is the spring constant (in N/m) of the spring? (Ignore nonconservative forces such as

97. ## Social Studies

Why did the king issue the proclamation of 1763? A. to enforce tax on sugar B. to establish british soldiers in the colonies C. to encourage settlements of lands west of the applachian mountains D. to prevent further conflict with native americans over

98. ## Math

How many square tiles with sides 1ft long on each edge would be needed to cover the floor of an 8 by 13ft room? Work Multiply 13ft by 8ft?

99. ## math

What types of problems can be solve using the gcf?? What types of problems can be solve using the least common multiple ??

100. ## math

if k+1,2k-1,3k+1 are three consecutive terms of a geometric progression,find the possible values of the common ratio

for the word algae what is its prefix, suffix, and root? is it: prefix-none suffix- none root- algae?

102. ## Math

How many square tiles with sides 1ft long on each edge would be needed to cover the floor of an 8 by 13ft room? Work Multiply 13ft by 8ft?

103. ## Math

P(n,3)=5! Solve for n?? Help, please! I did n!/(n-3)!=5! n(n-1)(n-2)(n-3)!/(n-3)!=5! cancelled out (n-3)! was left with n(n-1)(n-2)=5! n^2-n(n-2)=5! n^3-n^2=5! n^3-n^2-120 What do i do???

104. ## science

Red car is A. Blue car is B. The Blue car is slower than the A. The Red car starts at a starting point 40m behind the Blue at what point do they meet?

105. ## PHYsics URGENT

a 7.0 kg object weighs 55 N when submerged and weighed in water. A) what is the value of the buoyant force of the water on the object b) what weight of water is displaced by this object? c) water weighs 0.0098 N per cubic centimeter. What volume of water

106. ## Health

What hormone is the adrenal medulla responsible for secreting? A. Gonadocorticoids B. Estrogen C. Epinephrine D. Androgen C. Epinephrine??????

107. ## Spanish

La maestra eres enferma. Los estudiantes estás enfermos Which one of these are grammatically correct? Im having a hard time choosing one.

108. ## jps school

if p+qth term of GS is m and p-qth term is n find pth and qth term

109. ## Pre-algebra

How would you solve this equation? (t+8)(-2)= 12

110. ## Physics

Help!?!?! A pontoon boat starts from rest and accelerates at a constant rate of 0.25m/s^2 over a displacement of 290 meters. 1. Find the magnitude of the boats final velocity? 2. Find the time it takes the boat to travel this displacement.

111. ## Math

Dominick is incharge of ordering supplies for his hamburger stand, Burger buns come in packs of 12 and patties come in packs of 20, he needs the same amount of both, what is the least number of each that he can order? please help! replys/answers are

112. ## math

k+1,2k-1,3k+1 are three consecutive terms of a geometric progression, find the possible values of the common ratio

113. ## Jersey jineta lidere school

What is caca landa importante

114. ## probability

Ivan rolls a dice he the rolls it again what is the probability that the first roll will be odd or the sum will be odd?

115. ## Maths plz help

A test contain of 12 question out of which candidate are to answer 10.if the first 6 question are compulsory,in how many ways can each candidate select her question????? Plz show working

116. ## physics

If the rope pulling on the leg exerts a 120-N force on it, how massive should be the block hanging from the rope that passes over the pulley?

117. ## math

the 6:00 a.m. temperatures for four consecutive days in the town of lincon were -12.1 c, -7.8 c, -14.3 c, and -7.2 c. what was the average 6:00 a.m. temperature for the four days?

118. ## U.S. History

1. What actions did progressives take to deal with the issue of child labor? A: Progressives established a National Child Labor Comittee in 1904 to work to abolish child labor. 2. How did Roosevelt's policies help protect the health of consumers and the

119. ## history

what event convinced south Carolina to spend representatives to the first continental congress ? A. passage of the currency act B. passage of the intolerable act C. passage of the navigation act D. passage of the stamp act is it D

120. ## government voting

Can a prisoner convicted of a felony vote? in usa

121. ## U.S. History

What was the impact of Eugene Debs and the Socialist Party on the 1912 election?

122. ## Social Studies

Which of the following would not describe a result of the Sugar Act? A. Smugglers were happy with the tax because now the merchants were forced to pay. B. It taxed molasses C. It called for more customs officials. D. Colonies in New England were the most

123. ## physcial science

If a step-up transformer has a primary coil with 15 turns, how many turns would be required in the secondary coil in order to increase the voltage from 80 volts to 160 volts? A. 8 turns B. 30 turns C. 80 turns D. 160 turns

124. ## ALGEBRA

Write a translation for 5 units to the left and up 8 units. I already know the new coordinates just need to know how to translate it.

125. ## math

Mom and I are having a difference of opinion on this question, can you please help. what is the distance between the two numbers on the number line. -7/4 and 3/8 are the two numbers. I made -7/4 into -14/8 then did -14/8 -3/8 next -14/8 + -3/8 =-17/8= - 2

126. ## Math

Three fourths of college students use the internet more than the library. Nine hundredths use the library more. How many times more students use the internet?

127. ## Pre-calculus

(y-7)^2 = 12x Find the directrix

128. ## English

Hello. I will be extremely grateful for help. 1)Do you think it's possible to say "If I got it right, you received a letter from Mona" (meaning "if I understood correctly")? 2)Is it correct to say "All this happened in summer" or is it "this all"?3)Please

129. ## english

which one of these topics would be good for a rhetorical analysis paper? - Governess contribution to The Upper Class in 19th Century England and Jane Eyre - Puritan and Cavalier poets -The Psychology of the Cult Experience. by glenn collins -Beowulf vs.

130. ## Math

Socks are on sale 4 Pairs for \$5. How much would you pay for 8 Pairs of socks?

131. ## Pre-algebra

How would you solve this problem? (s-4/9)(-2/3)=-4/5

132. ## math

How do i divide 6 by 2/7

133. ## Math 142 (calculus)

Determine d^2y/dx^2 for y=(5x^5+7)^4

134. ## Math

How many numbers can be formed by multiplying some or all of the numbers 2,3,4,5,6,7,8? The answer is 48 but I don't know how to get there?

135. ## Physics 101 (I'm stupid)!

And Astronaut wearing an environment suit has a total mass of 130 kg. What is his weight on earth? What would his weight be on Mars where the acceleration of gravity is 3.26? What is his mass on Mars? Why? If he should end up adrift and deep space what

136. ## math

4=4*6-2+3 Where should I put the grouping symbols to make this true??

137. ## Physics help

A plane flies 230 mph at 60 degrees north of west for 2.5 hours. Answer the following questions. A. How far did it travel total? B. How far west did it go? C. How far north did it go? D. How fast did it go west? I don't know how to do this problem :(

138. ## Physics 101 help (dumb it down please)

A 12,000 kg truck moving to the right at 22 m/s collides with and sticks to a 1200 kg car moving to the right at 16 m/s. What speed do the two vehicles move after the collision in what direction Also Calculate the Kinetic energy converted to heat sound and

139. ## Calculus 1

Find the derivative dy/dx for the following. Simplify your answer. y=(ln(x^2))/(x^3) I got (2/x x^3-3x^2 ln(x^2))/((x^3)^2) for the derivative is that correct? Or no?

140. ## chemistry

If 5.00 g of PCl5 is reacted with excess water, how many grams of H3PO4 and HCl would be produced?

141. ## Math

Of rug has a length that is two times its width. The area of the rug is 8 square feet. What is the length And width of the rug?

142. ## Math

y=2x-4 6x-12=3y

143. ## U.S. History (Ms. Sue)

1. What was the impact of Eugene Debs and the Socialist Party on the 1912 election? A: Eugene Debs and the Socialist Party led efforts to regulate business to be focused at the national level. They also led Congress to pass a number of proposals to

144. ## Physics

400 grams of a metal at 300 C is added to 100 grams of of water at 20 C. Assuming all the heat lost by the metal is gained by the water and that the final temperature or water and metal is 95 C, calculate the specific heat of the metal. Using grams and

Calculate the change in internal energy of a system if 25000 J of heat is added to the system while the system does 40000 J of work on its surroundings. Does this represent an increase or decrease of internal energy?

146. ## PHYsics 101

How much heat must be added to 4.00 kg of aluminum to cause its temperature to rise from 22°C to 252°C unit of answer must be Joule

147. ## Algebra

What is the vertex form of the equation? y=x^2-6x+8 I have the answer I just need to make sure I have the steps.

148. ## Math

What is the GCF(greatest common factor) of 9 and 25

149. ## MATH

1/2 x -1/3 -1 1/6 -2/3** -3/8 -1/6** Can't choose between B and D

150. ## Physics 101

Calculate the increase in length of a 250.00 meter long concrete bridge if it's temperature increases from 10.0°C to 39.0 °C? The coefficient of expansion of concrete is 9.8 X 10^-6 (1/°C)

151. ## math

Suppose an amount increases by 100%, then decreases by 100%. Find the final amount. Would the situation change if the original increase was 150%? Explain your reasoning. THANK YOU!

152. ## History

what did the olive branch petition ask the king to do? 1 Protect the colonists rights 2 leave America 3 start another war 4 stop taxation. My answer A

153. ## Analytical Mechanics

a gun is fired with muzzle velocity v0 = 1000 m/s straight up along the z-axis. While moving through the air the Earth's gravity pulls on the bullet, which has mass m = 20 grams and the bullet's air resistance force can be approximated by the relationship

154. ## physics

calculate the work done on n mole of a vander waal gas is an isothermal expansion from volume vi to vf.

155. ## Hiatory

n 1775, A Month After Lexington And Concord, This Declaration Was Written, Mostaly By Thomas Jefferson And John Dickinson, At The___ 1 First continental congress 2 Second Continental congress 3 Confederation Committe 4 Consitition Convention My answer #3

156. ## Social Studies

PLEASE CHECK THESE MS. SUE!!!!!!!!! 2. How did Captain John Smith's leadership save the settlement at Jamestown? a. He led the settlers in finding large quantities of gold and silver. b. He threatened to send any settler who refused to work away from

157. ## Math

I do not know how to do this problem can someone help me please. Thank you. Determine if the given ordered triple below is a solution. (3, 3, -5) x + 9y = 30 2x - 8y = -18 5y + 2z = 5

158. ## Math

How would you solve this problem? (s-4/9)(-2/3)=-4/5

159. ## math

if the relation between x and u is 3x + 4u + 7 = 0 and the correlation coefficient between x and y is -0.6, then what is correlation coefficient u and y

160. ## math

\$112 in 8 hours

161. ## math

From cape to home is 500km I drive from Home at a 100km/h how long will it take in hours

3x+3(x-1)

163. ## English

1. With trains and ships, today's detectives move fast. 2. By trains and ships, today's detectives move fast. 3. By train and ship, today's detectives move fast. ================ I can find Sentence 1 in the book "Around the World in Eighty Days." What

164. ## English

1. It is 20th October. 2. It is October 20th. 3. It is the 20th of October. 4. It is 20th of October. ================ Which one is correct? Do they use only #1 in Britain?

165. ## U.S. History

Why was Susan B. Anthony important in history? A: Susan B. Anthony was important in history because she was one of the leaders of the National Woman Suffrage Association. She also helped form the International Concil of women in1888. This organization

166. ## spelling

I need to make a sentence using the word renaissance.

167. ## math

If a sweater is 30\$ and is on sale for 60% off what was original price

168. ## schook of health

Construct 10 mathematical expression using mathematical symbols 1,2,3,4,5 for two each

169. ## Chemistry DR BOB help!!

I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? (thank you) HINT To balance the equation, make sure that the number of each atom on the reactant side is the same as the number on the product side. Should the

170. ## Chemistry DR BOB help!!

I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? (thank you) HINT To balance the equation, make sure that the number of each atom on the reactant side is the same as the number on the product side. Should the

171. ## algebra,

This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. The equation 2a + b = 15.7 can be used to find the side lengths. If one of the longer sides is 6.3

172. ## Math Pre-Algebra

How would you solve this problem? (s-4/9)(-2/3)=-4/5

173. ## Science

Compute the number of grams if there are 10.7g of c2h6 in complete combustion

174. ## Algebra

Your test scores in one class are 85 and 88. What possible scores can you earn on your nest test to have a test average between 86 and 90, inclusive?

175. ## Algebra

Find the slope of the line through the given points, (6,5) and (8,1).

176. ## Calculus...need help

Prove that the integral 1/root(ax^2+bx+c)dx=1/root(a)|n(2ax+b+2root(a(ax^2+bx+c)]+k....please i don,t no it

177. ## math

the sum of 3 less than 5 times a number increased by 10 is 24.what is the number?

178. ## MATH

Debbie has two pieces of rope one 20ft.long the other 14ft. Long for a project,she needs to cut them up to produce many pieces of rope that are all of the same length with no rope left over.what is the greatest length in ft. That she can make?

179. ## Math

a 14.5 gas tank is 3/4 full. How many gallons will it take to fill? Please help me set this up. Thanks!!!

180. ## Algebra

A mother takes 48 minutes to mow the lawn when she works alone using a gas mower. Her daughter takes three times as long using a reel mower. How long would it take them to mow the lawn together?

181. ## Math

The ratio of games the Falcons won to the games they lost for the 2013 football season was 7:5. What is the ratio of games won to the to the total number of games played? What kind of ratio did you describe?

182. ## Mathmatics

Solve the problem. Make sure your answer is in simplest form. 5/8 x 4/15 =

183. ## math

Please let me know if I figured this out correctly. Thank you! -10 2/7 divided by (-4 4/11) -72/7 x -11/48 = 99/42 = 2 15/42

184. ## chemistry

Calculate the volume, in milliliters, of a 0.290 M LiOH solution that will completely neutralize each of the following: a. 40.0 mL of a 0.130 M H3PO4 solution b. 24.5 mL of a 0.535 M H2SO4 solution

185. ## Geometry

Plane R contains points ,M,and Y. Plane Z intersects with plane R at SM, AY intersects plane R at point Y. . Point A is not in plane Z or plane R. MY forms a right angle with MS. A. What is measure of < SMY? B. Name three points that are noncollinear. C.

186. ## Math

The student council sold refreshment at cost. A case of 24 cans of the fruit punch cost \$7.68. Each can fills 1 cup of punch. A box of 48 cups cost \$1.44. How much did the council charge for a cup of fruit punch?

187. ## college writting two

Could this be a thesis lower minimum wages are detrimental for disabled and college students.

188. ## Math

Sandy can jog 3 2/5 in 5/6 hour. Find her average speed in miles per hour.