1. Algebra 2

The average daily maximum temperature for Laura’s hometown can be modeled by the function f(x)=4.5sin(πx6)+11.8 , where f(x) is the temperature in °C and x is the month. x = 0 corresponds to January. What is the average daily maximum temperature in

2. Math

5.Simplify x/6x-x^2 a)1/6-x ; where x=0.6 b) 1/6-x; where x=6*** c)1/6x; where x=0 d)1/6 6. 5x^3/7x^3+x^4 a)5/7+x; where x= 0,-7**** b)5/7+x; where x=-7 c)5/7x; where x=0 d)5/7 7.x-2/x^2+4x-12 a)1/6+x; where x=-6*** b)1/6+x; where x= -6, 2 c) 1/x+2; where

1. (-10x^3 + 30x -20) divided by (-5x+5)? a)2x^2-2x+4**** b)-2x^2-2x-4 c)-2x^2+2x+4 d)2x^2+2x-4 2.The width, w, of a rectangular playground is x + 3. The area of the garden is x^3 - 7x + 6. What is an expression for the length of the playground? a.) x^2 -

5. english

In at least one hundred words, explain how Lessing’s childhood experiences may have influenced her storytelling in "Through the Tunnel."

6. maths

If tan A=a/b prove that 2sec theta + 1/ cos theta+2=Õ a2+b2/b

7. Us history

Which of these is an example of a monetary incentive A. Having fun walking a dog B. Making friends on a sports team C. Learning a new skill by studying it D. Earning a allowance for doing chores

8. Physics 11

2 men are fishing from small boats located 36m apart. Waves pass through the water, & each man's boat bobs up & down 15 times in 75s. At a time when 1 boat is on a crest, the other 1 is in a trough, & there is 1 crest between the 2 boats. f=15/75=.2Hz

9. Algebra

A certain forest covers an area of 2,000 square kilometers. Suppose that each year this area decreases by 6%. What is the function that best represents the area of the forest each year and how much area remains after 12 years? Round your answer to the

10. Physics 11

A single wave pulse is sent along a thick rope that's tied to a thin rope, which in turn is attached to a wall. Reflection of the wave will occur at both points A (where the thick rope is attached to the thin rope) & point B (where the thin rope is

11. social studies

What are examples of ownership investments? Select all that apply. A. Stocks B. Bonds C. Savings account D. Fine art collection

12. math

a new sidewalk will be 6 feet wide 160 feet long and filled to a depth of 9 inches 0.75 foot with concrete, ow many yards of concrete are needed? the new sidewalk needs_______ cubic yards of concrete

13. gulf model

anil spent1/4 of his income on food 2/5 donated 1/6 on other expenses if he was left with 10000. find his monthly income

14. math

You roll a red number cube and a blue number cube. Let A be the event "at least one number cube shows a 6" a) Find P(A) by finding the sum of P(6 on red cube, no 6 on blue cube), P(no 6 on red cube, 6 on blue cube), and P(6 on both cubes) b) Describe the

15. Calculus

if a penny is dropped from the top of a 320 ft. building, how fast will it be moving when it hits the ground? v2 = u2 + 2gH, Here, u = initial velocity = 0 v = final velocity g = 32ft/s2 H= 320ft So, v2= 0 + 2 × 32 × 320 or,. v = ✓(2×32×32×2×5) or,

16. math

At the rectangular intersection of two streets, the crosswalks are 60 feet from north to south, and 80 feet from west to east. If a diagonal crosswalk was installed, how many fewer feet would a person have to walk to get from the NW corner to the SE

17. Chemistry

Carbon disulphide reacts with oxygen gas to produce carbo dioxide gas and sulphur dioxide gas (balance)

18. math 11

one hundred meters of fencing is available to enclose a rectangular area next to a river.Give a function A that can represent the are that can be enclosed, in terms of X.

19. Calculus

if a penny is dropped from the top of a 320 ft. building, how fast will it be moving when it hits the ground? So we can find the speed of the penny as instantaneous rate of change of height of penny when it hits ground. Instantaneous rate of change of y

20. Physics

A basketball player who is 2.00 m tall is standing on the floor 8 m from the basket. If he shoots the ball at a 390 angle with the horizontal, what initial speed must he shoot the ball so that it goes through the hoop without striking the blackboard. The

21. Algebra

Use the figure to answer the following questions: ( a triangle with the bottom right corner of it labeled L with (1, 1) x y coordinates. Left corner of the triangle is labeled M at the (-3, 1) coordinates. the top of the triangle is labeled K at the (-2,

23. Physical science CHECK my answers

1. Which of the following correctly lists friction types (excluding fluid friction) from strongest to weakest? (2 points) * a. static, sliding, rolling b. sliding, static, magnetic c. weak, strong, nuclear d. rolling, sliding, static*** 2. Two or more

24. Algebra

Which of the following statements is false? The sum of two rational numbers is always rational. The sum of a rational number and an irrational number is always rational. The product of a nonzero rational number and an irrational number is always

25. Algebra 1 B Unit 6: Rational Expressions and Func

1. Solve. (-18x^3+17x+6)/(3x+2) A. -6x^2+4x+3 B. 6x^2+4x-3 C. -6x^2+4x-3 Dx^2-4x+3

26. Physics

A ball rolls without slipping at 5 m/s off an incline of 15 degrees. The ball falls off the incline and enters a hole 4 meters below the incline. What is the horizontal distance between the bottom of the incline and the the hole. I havent the foggiest how

27. Math

A barrele contains 60 gallons of water water leaked out of the barrel at a rate of 5 gallons at the rate how many days did it take for all 60 gallons of water to leak out of the barrele.

28. Math

Find the exact solution of cos2x+sinx=0 in the interval [0,2pi)

29. math

Sudha is twice as old as Garima.10 years ago Sudha was three times as old as Garima.Find Sudha's present.

30. Verbal reasoning

If Tom is taller than Mary ,and Mary is taller than Ann ,who was the shortest ?

31. algebra

You roll a red number cube and a blue number cube. Let A be the event "at least one number cube shows a 6" a) Find P(A) by finding the sum of P(6 on red cube, no 6 on blue cube), P(no 6 on red cube, 6 on blue cube), and P(6 on both cubes) b) Describe the

32. Chemistry

My question: 4a1+302--2A1203 Which reactant is limiting if 0.32 mol A1and 0.26mol oxygen is available. My answer is 0.228 is missing

33. Chemistry

For which of following can the metal ions be separated from one another by adding solution of sodium hydroxide? (a) cobalt nitrate and aluminum nitrate (b) barium nitrate and potassium chloride (c) magnesium nitrate and nickel nitrate (d) potassium nitrate

34. math

Explain how to write a function rule from the table below. Then write a function rule. x|2|4|6| y|1|0|-1| my answer am i right y = -1/2 x + 2

35. physic

A 360kg mine at rest explodes into 3 pieces x,y and z.piece x has a mass of 12kg and it moves with 90m/s .piece x has a mass off 18kg and moves with 62m/s .piece z has a mass of 6kg with unknown velocity. Calculate the unknown velocity of the 6kg piece.

36. math

A model of a rectangular patio at a landscaping business will be enlarged by a scale factor of 2 when it is installed in a customer’s back yard. The area of the new enlarged patio will be 160 square feet. Which is the area of the landscaper’s model? 10

37. Chemistry

A saturated solution of NH4Cl was made using 500g of water at 90 degrees. the solution was cooled to 50 degrees. what mass of NH4Cl was crystallized

38. Chemistry

[Cu(H2O)6]2+ (aq) + 2OH- --> Cu(OH)2 (s) + 6 H2O (l) What would the full equation be for this, rather than the ionic one? I understand that OH- becomes NaOH but where does the Na go on the right hand side? Thanks

39. social studies

discuss the treatment of aboriginal people in Canada during the 20 century

40. Physics

Juan throws a baseball with an initial speed of 40 m/s at an angle of 56 0 above the horizontal. Richard catches the ball at the same height that Juan threw it. How far did Juan throw the ball?

41. Maths

Draw and label a figure to represent the congruent triangle. Then find X and Y. Triangle YXZ congruent triangle CAB, m

42. math

four more than three times a number equals 27

43. Math

why inscribed quadrilaterals have opposite angles that are supplementary?

44. Trigonometry

Find real numbers a and b such that the equation (a- 2)+(b+5)i=14+19i is true.

45. physics

a cube of side 6cm is placed in graduated measuring cylinder 20 ml of watercis then added and the cubes remains at the bottom of the cylinder what will be calculated amount

46. math

You return from a trip with 250 European euros. How much are your Euros worth in U.S Dollars U.S dollars per eurpoean euros European euros per U.S. dollars 0.9251

47. math

Find f(infinity) for the complex function: 1/z+3

48. math

Paul has \$20 to buy either 5 erasers and 30 pencils or 10 erasers and 24 pencils. Each eraser cost \$0.30 and each pencil cost \$0.60. How much will each option cost? How much change will he get back after buying each option?

49. Math

Use the theorems that you that you have learned about inscribed angles and intercepted arcs to explain why inscribed quadrilaterals have opposite angles that are supplementary. Answer in 5-6 lines.

50. Math

Use the theorems that you that you have learned about inscribed angles and intercepted arcs to explain why inscribed quadrilaterals have opposite angles that are supplementary. Answer in 5-6 lines.

51. English

1. He spared me a rooom. 2. He spared a room for me. (Are both the same?) 3. She prepared us a lecture. 4. She prepared a lecture for us. (Are both the same? Can we use Sentence 3?)

52. English

1. He played her a trick. 2. He played a trick on her. 3. He made fun of her. 4. He deceived her. 5. He lied to her. ---------------------------- Are both #1 and #2 the same? Does #1 mean #3 or #4(5)?

53. English

1. He played me the violin. 2. He played the violin to me. 3. He played the violin for me. [Can we use both #2 and #3? Otherwise, is #2 alone correct? Not #3?] 4. He played me a record. 5. He played a record for me. 6. He played a record to me. [Can we use

54. Social Studies

Name two geographic obstacles and one political obstacle that stood in the way of the construction of the Panama Canal. How did engineers and politicians overcome these obstacles?

55. math

Bob places \$5,000 in a special account that accumulates interest compounded annually. Assuming no additional deposits or withdrawals, how much will be in the account after 7 years if the interest rate is 8.5% per annum for first 4 years and 9.25% per annum

56. math

1. List the elements of the following sets: A. V is the vowel of english alphabet B. C is the set of number between 5 and 10 C. T is the set of days of the year D. P is the set of prime number from 2 to 10 E. F is the set of factors of 12

57. Chemistry

Lead(3) nitrate decomposes to form three products owygen lead(2) oxide and nitrogen dioxide (balance)

58. Verbal reasoning

How old is May,if Mary is two years older ,and Robert ,who is a year younger than Mary,will be ten next week?

59. Physics

For safety reasons, park rangers decide to start an avalanche on a mountain slope. They fire an artillery shell at an angle of 430 above the horizontal with an initial speed of 284 m/s. Thirty seconds later they see the explosion. What is the x coordinates

61. history

The posters above suggest that: (Select all that apply. Women’s roles during the war did not change. Women served in factories and other jobs typically dominated by men.**** Women served on the front lines of battle alongside men. Women entered politics

62. physics

A climber is climbing a mountain. He is hanging from the bottom of a pair of anchors forming a Y shape at an angle θ. What is the force F at each anchor, express symbolically ( in terms of L(the climber), and θ)

63. Physics

A basketball player who is 2.00 m tall is standing on the floor 8 m from the basket. If he shoots the ball at a 390 angle with the horizontal, what initial speed must he shoot the ball so that it goes through the hoop without striking the blackboard. The

64. physic, please correct is am wrong

A wheel of a car is measured to rotate 200 revolutions in 24 seconds. Calculate the following. i. The angle turned in radians? θ =degree * 2π/360= θ=200 *2π/360 θ=3.49 ii. The angular velocity in rad/s ω=θxt ω=3.94/24 ω=0.145 rad/s If the diameter

65. Math

If two cars started out at the same spot and traveled in opposite directions for 90 minutes at 60miles per hour -far apart in total miles would they be at the end of the 90 minutes?

66. Chemistry

Calcium bicarbonate reacts with hydrochloric acid to produce three products calcium chloride carbon dioxide and water (balance)

67. Chemistry

Ammonium supphate and sodium hydroide undergo a reaction to produe three products ammonia water and sodium sulphate (balance)

68. algebra 1

Could someone check these? basic honors algebra 1 question of eight students in a class three will be chosen for student government positions. what is the number of permutations of those eight students to hold the three different positions? 24** 336 112 56

69. algebra

Will someone please simplify and clearly define the terms "Rate," "Time," and "Work done," as it relates to the work done by one or more persons. Thank you so much!

70. English

1. I have difficulty/trouble in remembering names. 2. 1. I have difficulty/trouble when I remember names. (Are both the same and interchangable?)

71. Science

Describe the process of decomposition

72. Math

you want to determine the average age when people got their driver's licence you want to collect data from a random sample of at least 400 people Which of these is most valid for collecting data? * Survey an equal number of students of driving age teachers

73. Math

Triangle XYZ is an Isosceles triangle. What is the measure of all the angles if measure angle X is two times the angle Y

74. maths

calculate the total surface area of a cone of height12cm and base radius5cm

75. Science

Imagine you are a laboratory technician studying how a medicine reacts with cancer cells. Describe how learning and developing new skills to analyze a specimen can help make the world a better place. I really need to know this by 9:30 tonight and I'm

76. Maths

Find the value of k if p(4,-2) is the midpoint of the line segment joining the point A. (5k,3)and B(-k,-7)

77. Pre-Calculus

If sinx=-1/2 and x terminates in the third quadrant, find the exact value of tan2x.