1. Algebra

The back of George's property is a creek. George would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 300 feet of fencing available, what is the maximum possible area

2. Related Rates

Sand is falling into a conical pile at the rate of 10 m3/sec such that the height of the pile is always half the diameter of the base of the pile. Find the rate at which the height of the pile is changing when the pile is 5 m. high. h= r=5 V=

3. calc 1

If a ball is thrown in the air with a velocity 46 ft/s, its height in feet t seconds later is given by y = 46t − 16t2. (a) Find the average velocity for the time period beginning when t = 2 and lasting 0.5 second 0.1second 0.05 second 0.01 second i tried

4. geography

What are three characteristics that mid-latitude cyclones have in common with all cyclones?

5. Science

An airplane from rest accelerates on a runway at 5.50 m/s2 for 20.25s until it finally takes off the ground. What is the distance covered before take off?

6. Math

1. Find the midpoint AB. Point be is located at (6,6) and point A is located at (-3,-3). There's a straight line connecting them. A) (4.5, 4.5) B) (1.5, 1.5) C) (3,3) D) (2,2) Is the answer D?

7. Calculus

Suppose that 5 J of work is needed to stretch a spring from its natural length of 28 cm to a length of 36 cm. (a) How much work is needed to stretch the spring from 32 cm to 34 cm? (Round your answer to two decimal places.) (b) How far beyond its natural

8. Calc 1

The point (1,0) lies on the curve y=sin(10π/x). A) if Q is the point (x,sin(10π/x), find the slope of the secant line PQ. Points are 2,1.5,1.4,1.3,1.2,1.1,0.5,0.6,0.7,0.8,0.9 Do slopes appear to be approaching a limit? There is no 10π/x on the unit

9. Physics

A pickup truck (2268 kg) and a compact car (1100 kg) have the same momentum. If the same horizontal net force were exerted on both vehicles, pushing them from rest over the same distance, what is the ratio of their final kinetic energies? (ratio: truck to

Toddrick has a photo album. Some pages have one photo on them, and other pages have two photos on them. If Toddrick has 9 photos, how many different ways can he put in the album?

11. History

17. In the 1910s, segregation of the Chinese in Oakland, California was _____________. A. illegal B. carried out by vigilantes C. a matter of preference among the Chinese D. the results of "white only" zoning laws E. legal It says "During the 1910s the

12. math

Can somebody solve this system of euation :2^x+3^y=17 2^x+2+3^y+1=5

13. Chemistry

6g of metal M react completely with 23.66g of chlorine to form 29.66g of the metallic chloride. Find the empirical formula of the metallic chloride. (M=27,Cl=35.5)

14. Math

Mrs. Alvarado gets a raise that increases their income to \$6,500 a month. Their mortgage stays the same. What percent of their monthly income do they now spend on the mortgage? Some things to know: Mrs. Alvarado's income before the raise was 6,000 dollars.

15. math

A circular flower bed is surrounded by a path 4m wide . the diameter of the flower bed is 66m . what is the area of this path

16. Math

What is the simple interest on Rs.4500 from January 5 to May 31 at 8% per annum?

17. Science

New seafloor rock is continually being formed at mid-ocean ridges and old seafloor rock is continually removed at ocean trenches. If the rock on the continents compare with the age of the oldest rocks on the seafloor ?

18. Chemistry

A carbohydrate P contains 40% carbon,6.67% hydrogen.If P has a relative molecular mass of 60.Determine it; 1)Empirical formula 2)molecular formula [H=1,C=12,O=16]

19. math

A circular flower bed is surrounded by a path 4m wide . the diameter of the flower bed is 66m . what is the area of this path

20. Science

In a vacuum the coloured particles would move very quickly... why did they move so much more slow in your solutiin.

21. statistics

Identify the conditions of the independent variable , the dependent variable , their scales of measurement , which measure of central tendency and variability to compute and which scores you would use in the computation . We test whether participants laugh

22. chemistry

A 43.20 mL sample of 0.3260 M sodium hydroxide (NaOH) is required to react completely with 36.70 mL of a phosphoric acid (H3PO4) solution. What is the molarity of the phosphoric acid solution?

23. math

compare the models for 1/3 and 2/6. How does the number of parts relate to the size of the parts.

24. Physics

A proton is released from rest inside a region of constant, uniform electric field E1 pointing due North. 14.8 seconds after it is released, the electric field instantaneously changes to a constant, uniform electric field E2 pointing due South. 8.07

25. Sta 112

This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and

26. Math

How many gallons of water should be added to raise water level 2 inches in a 40 x60 feet pool

27. History

19. Many small business owners in South Central Los Angeles are _______________. A. Korean B. White C. Hispanic D. Black E. Pakistani B?

28. Maths

the scale of a map is 1:20000. Find the length of a road in real life it is 6 cm long on the map

29. Astronomy

"If the Sun were magically replaced with a giant rock that had precisely the same mass, Earth’s orbit would not change. Explain why not." I'm a little confused as to how to answer this. Is it because Earth doesn't orbit the exact center of the sun.

30. science

Large craters are visible on the moon but not common on the earth's surface. Which of the following is the beady explanation of why large craters are not evident in the earth's surface in photos taken from space. A.three quarters of the earth's surface is

32. Physics

A ball is thrown straight up at 24.0 m/s. Ignore the effects of air resistance in your calculations.After 2.00 s?

33. History

11. Groups in Northern Ireland and gangs in major U.S. cities create “exclusive” areas by....... A. government programs B. street names C. Jim Crow laws D. graffiti demarcating territories E. religious laws C?

34. Chemistry

16.6ml of a solution is run into an empty flask. the mass of the flask is 145.0 g. the mass of the flask plus solution is 158.5 g. what is the density of the solution?

35. English & Composition

I need help with writing a topic sentence that briefly but accurately takes into context the quote below. This is a long quote so its difficult to make a topic sentence that deems appropriate in the sense of Allusion D. Topic Sentence Three (Allusion) :

36. algebra

In a sequence given by Tn = a + b bn the 6th and 13th terms are 22 and 71 respectively. Find the values of a and b.

37. algebra

In a sequence given by Tn = a + b bn the 6th and 13th terms are 22 and 71 respectively. Find the values of a and b.

38. math

A bag contains 15 green ,12 red, 11 blue,10, yellow,8 black and 4 white balls what is the minimum number of balls that at least 9 balls of the same color are there

39. Maths whole number.

A group of visited paid a total of \$380 entrance tickets for a zoo. The entrance ticket for a child cost \$4. The entrance ticket for an adult cost twice as much. If there were 10 more adult the childrens, how many adult were there?. My workout 1 chlid -\$4.

40. math

Add .003, 265.8, 83.04, 1972 in decimal form

41. Math

Find the discount or intrest to the nearest cent. \$500 television, 15% off

42. Science

Sometime ago Ununseptum was discovered. However, why was element 117 not considered an element at that time?

43. math

in triangle abc, a line parallel to AC intersects at AB at D and BC at E . If db is 6, ad is 2 and bc is 24, find de if ab and bc include a 60 degree angle

44. math

marcel is standing 5 meters away from a street light. he is 2 meters tall and the light is 6 meters high. how long is marcel's shadow?

45. physics

The weight of a solid in air is four times greater than the weight of solid in water. Find its weight of which solid in water if it has relative density is 64.

46. Math

On the graph of f(x)=2sin(6πx), points P and Q are at consecutive lowest and highest points with P occuring before Q. Find the slope of the line which passes through P and Q.

47. Chemistry

A mass of 0.100 mg TIOH is mixed with 174 ml of pure water. Calculate the pH of this aqueous solution?

48. Economics

Why do you think this country has been on recession over the years, irrespective of the number of great Economists in the country. Why didn't they prevent the recession in the first place? I think the fear of failure in forecast was a contributing factor.

49. Social studies

Can someone make me a fractured fairy of Cinderella. Exposition? Initial incident? Rising Action? Climax? Resolution? THANK YOU.

50. PHYSICS

WORKER ARE LOADING EQUIPMENT INTO A FREIGHT ELEVATOR AT THE TOP FLOOR OF A BUILDING HOWEVER THEY OVERLOAD THE ELEVATORAND THE WORN CABLE SNAPS THE MASS OF THE LOADED ELEVATOR AT THE TIME OF THE ACCIDENT IS 1600KG..AS THE ELEVATOR FALLS,THE GUIDE RAILS

51. Math

Simplify the following ratio. Use values in terms of the smaller measurement units. 4 cups to 5 pints

52. arthmetic sequence

the third of an arithmetic sequence is 14 and the ninth tern is -1. Find the first four terms of the sequence.

53. Pre-Algebra Calculus

NEED HELP PLEASE Mixture Problems 1.Joe created a metal containing 40% platinum by combining two other metals. One of these other metals weighed 12 lb. and contained 45% platinum. If the other weighed 3 lb. then what percent of it was platinum? 2. 12 gal.

54. Chemistry

At stp 10 liters of N2 contains the same total number of molecules as how many liters of He.

55. Math

Im stuck on this question of b) and c),i already got a) which is as it can be the distance k can be given as k=squareroot d^2+(10+x)^2 Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it

56. physics

John pushes on a 400 kg refrigerator with a force of 800 N. While sliding a friction force of 300 N acts on the refrigerator. What is the acceleration of this refrigerator?

57. Science

It has been hypothesized that chloroplasts originate from photosynthetic cyanobacteria that became symbiotic inside a host cell.Which of the following observations provides the strongest evidence for this suggestion. A. Microscopically, chloroplasts appear

58. Math

1.The number of apples, a, is 6 less than half the number of pears, p. Write an expression that represents the number of apples in terms of the number of pears. 2.Which equation can be used to solve the following word problem? Jason has 4 more nickels than

59. History

15. In the Sub-Saharan realm, ___________ remains the rule rather than the exception. A. male dominance B. female dominance C. no dominance by gender D. dominance of older members of society E. none of the above What does the qustion mean

60. science

HNO3+HI->NO+I2+H20

61. math

find the length of the hypotenuse of a right triangle, the other tow sides of which measure 9 cm and 12 cm.

62. Maths

I am thinking of a number. I multiply it by 8 and add 15. I get the same answer if I multiply by 2 and add 81.

63. Math

Can you explain this: For my math problem 23 4/7 divided 4 it says to estimate. What do I do?

64. maths

I am a two digit no. If you subtract my second digit from my first digit the difference is 6. (i.e. 9-3= 6 or 8-2=6 or 7-1=6) The product of my digit is 0. What number am I? Could you please answer it as I did not understood the meaning of product of my

65. PHYSICS

WHAT IS THE MASS AND WEIGHT OF 1420LB OF SNOMOBILE AND 412KG OF HEAT PUMP?

66. math

the supplement of an angle is 20 degrees less than 3 times its complement. find the ratio of the supplement to the complement.

67. PHYSICS

A CAR IS MOVING INITIALLY AT A SPEED OF 50MI/H WEIGHTING 3000LB IS BROUGT TO A STOP IN A DISTANCE OF 200FT FIND THE BRAKING FORCE.AND FIND TIME REQUIRED TO STOP ASSUMING THE SAME BRAKING FORCE..AND FIND THE DISTANCE AND TIME REQUIRED TO STOP IF THE CAR

68. Chemistry

concentration of ammonium chloride produced when 21.0 mL of 11.9 M HCL and 18.0mL of 7.50M NH3 are mixed?

69. Intro to Paralegalism I

In what state a person may take the bar examination without a formal legal education?

70. Maths

The scale of a map is 1:500. Find the length of a road in real life if it is 6cm long on the map

71. History

Where is the natural resource located in Canada and/or the United States? I am stuck on this and I need some help.

72. Physics 30

A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the

73. Math

Question: Name a fraction between 1/4 and 5/16

74. math

Ms. Sue I have a question. For this math problem: Name a fraction between 1/4 and 5/16 how do I do that

75. maths

y=3ln5t/2cos2t

76. Math

So is this correct for this question: Name a fraction between 1/4 and 5/16 1/4, 8/32, 5/16

77. Math

Can you help me? My math problem is: 23 4/7 divided by 4 and it says to estimate. What do I do?

78. physics

A 400N weight is sitting on a piston. The diameter of the piston is 8 cm. How much pressure does the weight exert on the piston?

79. Observation of children

A child who has not developed a secure attachment with you.

80. History

Did president Truman make the right decision by dropping two atomic bombs on Japan? Write details into your answer about lives saved or lives lost,alternative decisions, and the USA being the only country to ever use atomic weapons. (USE THREE DETAILS)

81. Writing

You know how there is muggle and mundane, representing humans who do not know of specific worlds? Well, I need a word representing humans who don't know about a world called "Enchantrum". -Make sure the name is magical. Thank You! :)

82. science

Which of the following factors is the most likely explanation for an energy deficit that results in exercise-induced exhaustion. A.Insufficient protein production B.Insufficient mitochondrial function. C.Impair urea elimination. D.Absence of oxygen

83. History

6. In New York, Puerto Ricans moved into the Jewish neighborhood of East Harlem (Bronx) and assumed a dominant presence in the neighborhood. This process is best described as: A. succession B. residential segregation C. racism D. immigration E. recession

84. History

8. We think of the border region between the United States and Mexico as being an Anglo-Hispanic meeting point, but one of the largest groups of _____________ in Mexico can be found just outside the city of Mexicali. A. Germans B. Japanese C. Chinese D.

85. English

I am given this topic to write an essay on..."Do we overprotect our young people or is our young people becoming prematurely tough?" but I have no idea what to write and how to start.

86. Physics

Hail forms high in the atmosphere and can be accelerated to a high speed before it reaches the ground. Estimate the terminal speed of a spherical hailstone that has a diameter of 2.8 cm. Hint: The mass of a piece of hail that has a volume of 1 cm3 is about

87. maths

A group of visitors paid a total of \$380 for entrance tickets to a zoo. The entrance ticket for a childs cost \$4. The entrance ticket for an adult cost twiceas much. If there were 10 more adults than children, how many adults were there.

88. maths

The number 8100 can be factorised as a2×b4×c. What is the value of (a+b)? With method

89. English assignment

How do I start off an essay about racial inequality?

90. s

, what would be the pH of a solution of 0.1 M acetic acid and 1 M sodium acetate if the pKa for acetic acid is assumed to be 4.74?

91. History

20. Most of the workers in maquiladoras are _____________. A. immigrants B. young females C. young males D. unionized E. children B

92. Algebra

(x-2)+1/x+1=2/3

93. maths

there are two taps, the small one uses forty five minutes to fill a tank and the big one uses thirty minutes to do the same how many minutes will the tank be filled when the two taps were opened at the same time to fill the same tank.

94. Math

For my math problem seven tenths exceeds seven thousandths by what number would I subtract seven tenths from seven thousandths (0.7- 0.007) or subtract seven thousandths from seven tenths. (0.007-0.7)

95. math

R,O,C,A are the midpoints of the sides of the rhombus DJSB. if DJ= 16 sq rt of 2 cm and d=120 degrees, what is the perimeter of ROCA?

96. algebra

``if Tn =2- 3 which term of sequence is. (a) - 43 (b) - 82 (c) 91''.

97. Algebra

(x-2)+1/x+1 is a fraction it equals 2/3.find x and the fraction

98. Physics 30

A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the

99. Maths

It takes 3 artists 24 days to paint a building. Calculate how long it will take 6 artists to paint the building if they work at the same rate

100. Math

How do you find a measure of a triangle?

101. physics

A ball is thrown straight up at 20.0 m/s. How fast is the ball moving after 2.00 s?

102. Chemistry

concentration of ammonium chloride produced when 21.0 mL of 11.9 M HCL and 18.0mL of 7.50M NH3 are mixed?

104. Operations

Could someone what do they mean by this question please.How does their work force reflect their global strategy?

105. Birthday

Today is my daughters birthday .Thank you for helping her with her homework.Thank you Ms.Sue aslo she really like you, her name is Kaylah.

106. Math

For this question 3/4% of 75 would I change 3/4 to a decimal and put it over 100?

107. Chemistry

Name the element that has a density of 4.700 g/mL at STP

108. Math

So would it be this: 1/4, 9/32, 5/16

109. Math

Is this the answer to 3/4% of 75: 0.5625

110. Science

How to find the amount of diploid cells, haploid number of chromosoems, and number of autosomes

111. maths

if aman sells an artcile for Rs 1600 he inesures a loss equal to the profit if he sells that artcile for Rs2000.find the cp of that artcile

112. English

Help!!!! I need a sample of English formal letter. immediate plzzzzz

113. english

can anybody can write a creative story not bookish easy on the topic honesty is the best policy

114. none

anybody can help me in studies

115. math

the product of ritas savings and 2 is 36

116. PHYSICS

Do the mass of a body determine the gravity they possess(sun)

117. Physics

Car A travelling at 13 m/s [N] is 190m behind car B which is travelling at 9.0 m/s [N]. At this moment car A starts to accelerate at 6.0 m/s^2 [N] to catch up with car B. After 1.0s, car B also starts to accelerate at 2 m/s^2 [N]. How long will it take car

118. History

5. Residential segregation in the United States today is _______________. A. the result of restrictive state and local laws B. increasing C. decreasing D. a phenomena which has virtually disappeared E. unchanged from the 1960s What does A mean

119. algebra

For the following sequences whose nth terms are given, write down the first six terms of each (a) 4n-1 (b) n3 (c) 5-2n (d) (-1)N *n (e) (n +1)2 (f) n¦ n+2 Thank you, Sir

120. History

10. Many geographers, such as Elder, Knopp, and Nast, refer to theories that explain or inform our understanding of sexuality and space as........ A. queer theory B. heteronormative theory C. gender studies D. spatial theory E. modernization theory A

121. Physics

A student drops a lead ball 4" in diameter from the top of a large live oak tree. As the ball is falling, a bird flies under it, slowing the ball's velocity to 30 feet/sec. Two seconds later the ball strikes the ground. What is the coefficient of friction

122. Physics 30

A frictionless pulley (a 2.0 kg is on the floor while the 3.0 kg is 0.5m high) . when released, momentum of the 2kg is?