1. Math Algebra

The coordinates of quadrilateral VXY Are given below. Find the coordinates of its image after a dilation with the given scale factor V(6, 2), W(-2, 4), X(-3, -2), Y(3, -5) scale factor of 2 This question is confusing me and is worth 3 points please help :)

2. Calculus

A rectangular field is to be enclosed by a fence and divided into three lots by fences parallel to one of the sides. Find the dimensions of the largest field that can be enclosed with 800 feet of fencing. Help me please!!!!!!!!!!! THANK YOU

3. Chemistry HELP

In a constant-pressure calorimeter, 50.0 mL of 0.300 M Ba(OH)2 was added to 50.0 mL of 0.600 M HCl. The reaction caused the temperature of the solution to rise from 21.73 °C to 25.82 °C. If the solution has the same density and specific heat as water,

4. college chemistry

When a 5.00-g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of 2.642 kJ·K–1, the temperature decreases by 0.340 K. Calculate the molar heat of solution of KCN.

5. Physics

Nothing in my physics book addresses this question. Can someone please help?? Two ice skaters, with masses of 69kg and 47kg , stand facing each other on a 19-m-wide frozen river. The skaters push off against each other, glide backward straight toward the

6. DIFF CALCULUS

A swimming pool is 12 meters long, 6 meters wide, 1 meter deep at the shallow end, and 3 meters deep at the deep end. Water is being pumped into the pool at ¼ cubic meter per minute, and there is 1 meter of water at the deep end. a. What percent of the

A drum (see Figure 10.2) has a radius of 0.40 m and a moment of inertia of 2.3 kg ∙ m2. The frictional torque of the drum axle is A 14 m length of rope is wound around the rim. The drum is initially at rest. A constant force is applied to the free end of

8. chemistry

How many milliliters of a 0.200 M HI solution are needed to reduce 21.5 mL of a 0.365 M KMnO4 solution according to the following equation: 10HI+2KMnO4+3H2SO4 ---> 5I2+ 2MnSO4 +K2SO4+ 8H2O

9. Math

A women has \$500,000 invested in two rental properties. One yields an annual return of 14% on her investment, and the other returns 10% per year on her investment. Her total annual return from the two investments is \$59,000. How much is invested at each

asked by Lost in the math
10. calculus

a ladder 6 feet long leans against a vertical building. the bottom of the ladder slides away from the building horizontally at rate of 1/2 ft/sec. A) at what rate is the top of the ladder sliding down the wall when the bottom of the ladder is 3 feet from

11. Chemistry

Weight of empty crucible and cover = 23.104 g Weight of crucible, cover, MgO and Mg3N2 = 24.199 g Weight of crucible, cover, MgOand addition of H2O and heat = 24.290 Calculate the number of moles of Mg3N2.

12. calculus

A cable runs along the wall from C to P at a cost of \$3 per meter, and straight from P to M at a cost of \$5 per meter. If M is 16 meters from the nearest point A on the wall where P lies, and A is 50 mters from C, find the distance from C to P such that

13. chemistry

You need 715 mL of a 45% alcohol solution. On hand, you have a 55% alcohol mixture. How much of the 55% alcohol mixture and pure water will you need to obtain the desired solution?

14. PHYSICS 1301 (COLLEGE)

As shown in the figure below, two masses m1 = 4.10 kg and m2 which has a mass 50.0% that of m1, are attached to a cord of negligible mass which passes over a frictionless pulley also of negligible mass. If m1 and m2 start from rest, after they have each

15. PHYSICS 1301 (COLLEGE)

A box of unknown mass is sliding with an initial speed vi = 5.10 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 4.20 m long. The coefficient of kinetic friction between the rough section of flooring

16. Chemistry

7. The specific heat of wood is 2.03 J/g∙°C. How much heat is needed to convert 550. g of wood at -15.0°C to 10.0°C?

17. Algebra Help

Form a Polynomial f(x) Degree: 4, Zeros: 2+2i;-5, Multiplicity:2 f(x)=a(______________)

18. Chemistry

Is there a reaction between Sodium Acetate and Copper (II) Nitrate. If so, what is the balanced equation for it? Also, what type of reaction is it does it form a precipitate?

19. STATISTICS

THE DISTRIBUTION OF THE NUMBER OF VIEWERS FOR THE AMERICAN IDOL TELEVISION SHOW FOLLOWS A NORMAL DISTRIBUTION WITH A MEAN OF 29 MILLION AND A STANDARD DEVIATION OF 5 MILLION. WHAT IS YHE PROBABILITY NEXT WEEKS SHOW WILL: HAVE AT LEAST 23 MILLION

20. AP Calc. AB

If a cylindrical tank holds 100,000 gallons of water, which can be drained from the bottom of the tank in an hour, then Torricelli's Law gives the volume of water remaining in the tank after t minutes as V(t)=100,000(1-(t/50))^2, 0

21. Math

Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part

22. Physics

The blades of a ceiling fan have a radius of 0.393 m and are rotating about a fixed axis with an angular velocity of +1.36 rad/s. When the switch on the fan is turned to a higher speed, the blades acquire an angular acceleration of 1.82 rad/s2. After 0.475

23. Spanish 3

I am having trouble with choosing the correct pronouns for these following questions: 1. Él _______ (a su hermano) da la manzana. se*** 2. Tú ______ lavas. (el coche) lo*** 3. Los niños ______ acuestan a las ocho. se*** 4. El hombre ____ (el libro) da

24. physics

A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is above the ground. What is the mass of the box?

25. chemistry

A dilute solution of sulfiric acid is added to 15g of copper and iron mixture. a) the volume of h2 envolved at standard conditions is 4.48L what is the mass of each of the metals constituting the mixture ? Vm=24l.mol.

26. physics

Consider a c-Si solar cell whose fingers have a resistance R=0.1Ω. What would be the finger's resistance (in Ω) if the finger's width is doubled and the finger's height is one third of its initial value?

27. Physics

Sanjay's air boat starts from rest and accelerates at 8.7 m/s2 for a distance of 176 meters. How fast is it moving at the end of the 176 meters?

What is cultural diversity? Why do managers need cultural diversity? Is cultural diversity present in your organization (work, school, church, etc.)? How?

29. physics

A body of mass 4 kg is dropped from a height of 20m .calculate the initial momentum and the momentum just before it strikes the ground (g=10m/s*s)

30. Math

A biologist has a 36% solution and a 14% solution of the same plant nutrient. How many cubic centimeters (cc) of each solution should be mixed to obtain a 25 cc of a 25% solution? I been looking at this for 2 hours please help

31. Chemistry Check

Determine the missing values of deltaH in the diagram shown below ^ | ^ N2O3(g) + 1/2 O2(g) (Enthalpy)| | ^ | | deltaH= +16.02 | | | | | | 2 NO2(g) | | | ^ | |deltaH=? | | | | | | deltaH=?| | | | | | | | N2(g)+202(g) | Answer: Delta H for the right= 66.36

32. Computer Science

Write a program to compute an employee’s weekly pay and produce a pay slip showing name, gross pay (i.e. pay before deductions), deductions, and net pay (i.e., pay after deductions).

33. Science Help

1.) A rail gun uses electromagnetic energy to accelerate objects quickly over a short distance. In an experiment, a 2.00 kg projectile remains on the rails of the gun for only 2.10x10-2 s, but in that time it goes from rest to a velocity of 4.00×103 m/s.

34. physics

a person of mass 80 kg standing on a boat of mass 320 kg which at rest in still water the person is initially 12m from the shore the person walk on boat for 6 sec with a constant speed 1 m/s toward the shore and then stop distance of the person from the

35. French: ms sue or any French expert

Ecrivez le passé compose ou l'imparfait du verbe pour completer chaque phrase Conjugate the verb in passé compose or imparfait Jouer 1. Nous______ au baseball tous les etes Recevoir 2. Elle _____ un chien pour son troisieme anniversaire. Prendre 3. Nous

Read the paragraph below . I'll show them that I can write well , "ling thought. Back in china , she had gotten the best grades in English class . But ever since her family had moved to Florida, her reports had been coming back all marked up . Ling asked

37. english

Identify Prepositional Phrases: Last summer our whole family hiked up a mountain.

38. calculus

use differentials to determine by approximately how many centimeters does the diagonal of a square table increase if its area is increased from 50 square centimeters to 54.45 square centimeters? Area= s^2 Diagonal= sqrt(2s^2) so, D= sqrt(2A) dD=A^(-1/2) dA

39. Physics

A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the body of the top. The string has a length of 54 cm and is wound around the top at a spot where its radius is 2.2 cm. The thickness of the string is negligible.

40. Math

A bank lent \$260,000 to a company for development of two products. If the loan for product A was for \$77,000 more than that for product B, how much was lent for each product?

41. Algebra

A tree is 38.5 feet tall casts a shadow that is 9 feet 4 inches long.A utility pole beside the tree casts a shadow that is sixty-four inches long.Find the height of the utility pole. Show work

42. math

Point e is located at (-2,2) and point f is located at (4,-6). Whats the distamce between points e amd f?

43. Calculus

The number of bacteria after t hours in a controlled laboratory experiment is n=f(t). Suppose there is an unlimited amount of space and nutrients for the bacteria. Which do you think is larger, f'(5) or f'(10)? If the supply of nutrients is limited,would

44. Physics

Please help!! I know how to work the problem to find velocities, but this one has me stumped! A 2.0kg block slides along a frictionless surface at 1.0m/s . A second block, sliding at a faster 4.4m/s , collides with the first from behind and sticks to it.

45. calculus

2 given s(t)=3t +5t+3, find the instantaneous velocity when t i= 5.

46. Calculus

The cost of producing x ounces of gold from a new gold mine is C=f(x) dollars. Do you think the values of f'(x) will increase or decrease in the short term? What about the long term? Explain.

47. math

I'm wonder if im correct? Two physics students built a model rocket for a class project. Once the rocket is launched, its height in feet, h(t), can be found using the height function h(t) = -16t² + 96t where t represents time in seconds my work:

48. Algebra

I need help with this problem, and I think it's a perfect square trinomial problem. X^2+22+121-y^2 I know 11 is the square of 121.

49. Math

Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part

50. physics

Vector A is 10 unit longs and points at 25 degree above the positive x axis. Another vector B is 8 units long and points along yhe positive x axis. Determine the magnitude of A X B.

51. chemistry

Situation: You have 100ml of isotopically labelled water 3H2o. That is, the water is made with the radioactive isotope of hydrogen, tritium, 3H. Compounds that contain radioactive isotopes are called "hot." You pour this 100 mL of "hot" water into the

52. Math

A glass of skim milk supplies 0.1 mg of iron and 8.2 g of protein. A quarter pound of lean red meat provides 3.75 mg of iron and 21 g of protein. If a person on a special diet is to have 7.36 mg of iron and 73 g of protein, how many glasses of skim milk

53. physics

How far from a piece of paper must you hold your father’s 2.00 D reading glasses to try to burn a hole in the paper with sunlight?

54. algebra

A boat was purchased for \$45,000. Assuming the boat depreciates at a rate of \$4700 per year (straight-line depreciation) for the first 8 years, write the value v of the boat as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 8. v(t) = ____,

55. calculus

Find the points of the paraboloid z=x^{2}+y^{2}-1 at which the normal line to the surface coincides with the line joining the origin to the point. What is the acute angle betwwen the normal and the z-axis at these points?

56. math

it is a 3 digit number all the digits are different the first and second digits are multiple of 3 the first digit is greater than the second digit. the sum of the first two digits is 7 more that the third digit the number is not a multiple of 5 the third

57. Algebra

find the complex zeros of the polynomial. Write f in factored form: F(x)= 2x^2-5x^3-20x^2+115x-52=0

58. English

1. If your answer is right, you will get one point. 2. If you answer the question right, you will get one point card. 3. If you answer the question rightly, ou will get one point card. (Which sentence is right?)

59. algebra

A bus was purchased for \$80,000. Assuming the bus depreciates at a rate of \$6,000 per year (straight-line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10. v(t)= ____

60. calculus

Find the points of the paraboloid z=x^{2}+y^{2}-1 at which the normal line to the surface coincides with the line joining the origin to the point. What is the acute angle betwwen the normal and the z-axis at these point

61. physics

A triple beam balance, like the scales we use every week in lab, works using rotational equilibrium. If a 253 g mass is placed on the pan, 1 cm from the pivot, and there are three masses, 1 g, 10 g, and 50 g masses on the other side can be slid back and

62. calculus

Use polar coordinates to find the volume of the given solid. Inside the sphere x^2+y^2+z^2=25 and outside the cylinder x^2+y^2=1

63. math

Mike fills his car's tank up with 20 gallons of regular gas at \$2.09 per gallon. His car averages 25 miles per gallon. How many miles can Mike drive on a full tank of gas?

Please check to see if my answers are right: we need to list the 6 kingdoms with their characteristics and an example each Eubacteria -"true bacteria": bacilli Monera- prokaryote ,: Cyanobacteria Protista- single cell, true nucleus :amoeba Plantae-

65. Persuasive Essay

Will someone help me organize my persuasive essay? I've decided to write about the FITNESSGRAM and why high shcool students who have taken the required courses of physical education should be exempt from it.

66. Math

Tina is trying to choose finger food for her party. She is choosing between 5 types of nuts, 5 types of crackers, and 4 types of cheese. If Tina chooses one of each,how many combinations does she have to choose from?

67. Algebra

CRITICAL THINKING Explain how you know that the slope of the line through (4, 5) and (4, 5) is positive without calculating.

68. Algebra

Find the complex zeros of the following polynomial function. Write f in the factored form. F(x)=2x^4-5x^3-20x^2+115x-52

69. engr

the spacecraft is first put into a circular orbit around Mars. The period of the orbit is 110 minutes. Calculate the altitude of the orbit in km.

70. Chemistry

1)What could have caused the impurity in the sodium hydroxide solution? 2)Why was it necessary to dilute the hydrochloric acid before carrying out the titration? This was a question from a titration practical in which we had to dilute HCL then use that

71. Math

Find the number 4 three times in the table . Write multiplication sentences and division sentences for each 4 . Answer; 1/1*4=4 2/ 2*2=4 3/4*1=4 1/ 4divide 1=4 2/ 4 divide 2=2 3/ 4 divide 1=4 Q2/Name five numbers that are found only once in the table.

72. Algebra

Angel service club is selling flowers. Cost if flower is .50. Sales price is cost of flower plus 40%. How many flowers do they need to sell to make profit of \$500

73. Music

What kind of music does most people listen to?

74. Calculus

If G(x)=(x)/(1+2x), find G'(a) and use it to find an equation of the tangent line to the curve y=(x)/(1+2x) at the point (-1/4,-1/2). My answer: G'(a)=1/(1+2x)^2 Equation of tangent line: y= 4x+0.5

75. math

the number 34,459,425 is the product of several consecutive positive odd numbers. what is the greatest of these numbers?

76. S.S.

13. In Virginia, colonists who could pay their way across the Atlantic were granted 50 acres of land to lease for a modest rental fee. The term for such an arrangement was called A. headright. B. land assurance. C. land granting. D. indenturing.

77. Math

A man is 1.9m tall and he stands 2.4m from the lampost , which is 3.2m high. Find the lenght of the man's shadow.

78. Intermediate Algebra

it takes beth 6 hours to do homework and it takes nina 9 hours. how many hours would it take if they did their homework together?

79. English

Scherer, K. R., Clark-Polner, E., & Mortillaro, M. (This is the primary source) Elfenbein and Ambady (is a secondary source and the date of this secondary source 2002) I am citing a secondary source (Elfenbein and Ambady) into my paper. The primary source

80. algebra

sqrt. w^2+13, find A(0)

81. Physics

Just after hitting the runway, a plane has a speed of 200.0 km/h. The plane decelerates to a stop at a constant rate. a. What is its average speed on the runway in m/s? b. If the plane takes 21 seconds to come to a stop, how much of the runway does it

82. Calculus

A pebble is dropped from an open window 100 meters above the ground. a) What is the velocity of the pebble after 2 seconds? b) What is the velocity of the pebble when it hits the ground?

83. Math

What does the word benchmark percent means?

84. English

1. What was Henk Angenent's record? - He finished the race in 6 hours and 49 minutes. 2. What was Henk Angenent's record? - His record was 6 hours and 49 minutes. (Are both answers right?) 3. In 1963, how many percent of the skaters finished the race? -

86. Algebra

R(x)=(x^3-27)/(x^2-4x+3) find vertical, horizontal, and obliques asymptotes

87. Math

Which of these two sequences form a geometric sequence: 2x, 4x-2, 6x-4, ..... OR x+1, 2x+2, 5x+1, .....? Find the value/s of x and what is the sequenced formed? My answer is neither is a GP since they don't have a common ratio. If this is the case, is

88. history

what is the longest river in Canada?

89. physics

What is the velocity of the fallen ball that has 5kg

90. ALGEBRA

A(w)= sqrt. w^2 + 13, A(-c)=

91. physics

Traveling at a speed of 19.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.21 s have elapsed?

92. English

Here is my question. Can I end a sentence with the word (in)? Here is an example of my sentence with the word (in) at the end of my sentence. This alters the way we view lifespan development, as individuals truly never stop evolving and changing their own

93. calculus

can anyone help me with that question what is the domain of log(log(x)the base is 0.2)

94. S.S.

11. Under the _______ system, Spanish conquistadores were rewarded with local villages and control over the local labor force. A. encomienda B. plantation C. impresario D. land reform A?

95. Human Relation - HELP!!!

Why parents considered as our role models?

96. chemistry

which of the following is consistent with the line spectrum of the hydrogen atom? one of the choices is the nucleus is udnergoing gamma decay. but this si not one of the answers. Im just wondering what kind of decay happens?

97. Algebra

Factor (y+2)^2-81

98. algebra

A(w)= sqrt w^2+13, find A(r+1)=

99. algebra

find the zeros of f:f(x) = 10 − 4x x= ____

100. math

amy made bags filled with M&M's and skittles. She used 48 M&M's and 30 skittles. she used the same number of each candy in every bag. what is the maximum number of bags she could make?

101. Chemistry

What is the maximum velocity (in m/s) acquired by an alpha particle when accelerated between two plates with a potential difference of 580.0 volts? Note: An alpha particle is essentially the nucleus of a helium atom - 2 protons and 2 neutrons.

102. Criminal Justice/Report Writing

Which of the following is one of the reasons the Uniform Crime Reporting Program __________ in 1982? A. was renamed the Summary Data Reporting System B. discontinued collecting and tracking statistics C. was revised D. broke ties with the FBI I am torn

103. English

I need help annotating please help me In the recent years, the media has shared with the public two very different stories involving children who committed acts of violence. Both minors were charged with murder and sent to adult state prison to serve their

104. physics

Traveling at a speed of 12.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.42 s have elapsed?

105. Music

Is Sonata by Domenico Cimarosa in binary form?

106. algebra

A(w) = sqrt. w^2+13, find A(4)=

107. Calculus

Find the slope of the curve f(x)=1/(x^2+3). My answer: (-2x)/(x^2+3)^2

108. S.S.

1. In the southern campaign launched by the British, Cornwallis lost a battle with the Americans under Nathaniel Greene at A. Savannah. B. Cowpens. C. Camden. D. Charles Town. B?

109. Algebra

(1990,52),(1992,55),(1994,59), (1996,63),(1998,66) With out calculating find a 2-year period that had a greater rate of chsnge than 1990-1992 explain your reasoning

110. english

explanation about one touch of nature make the whole world kill"

111. algebra

g(x)=6x^2+7, find g(c+5)=

112. pcshysi

a man weighing 80 kg is standing on a trolly weighing320 kg the trolly is resting on a horizontal rails if the man start walking on the trolly along the rails at the speed 1 m/s then after 4s his displacement relative to ground will be

113. Algebra

detremine whether the relation is a function or not 1)y=-15 2)x=5 3)((1,0),(1,4),(-1,1)) 4)((6,3),(5,-2),(2,3)) PLEASE EXPLAIN WITH DEETAILED

114. algebra

f(x)=|x+5|; f(a)=9 find smaller value and larger value

115. calculus

how would you represent the area outside given y= 4cos(2theta) but outside y=4 ?

116. English

1. When did the Eleven Cities Tour take place in 1997? -It took place on January 4. 2. What was the date of the Eleven Cities Tour in 1997? - It was January 4. 3. What was the date of the 1997 Eleven Cities Tour? - It was January 4. ------------------ Are

117. english

elavorate the quote"one touch of nature make the whole world kill"

118. Art

Who is Neville Brody?

119. algebra

Q(t) = 5, if 0 ¡Ü t ¡Ü 5 −t + 7 if 5 < t ¡Ü 8 t − 1 , if 8 < t ¡Ü 11 Q(0)=__ Q(x),6< x