# Leo

Newest questions and responses by Leo
1. ## Linear Algebra

Help me find my error! a)Write down the equation of the plane passing through the point (1,5,7) and parallel to the lines. Line A: Line B: Point x = 3- 2t x = 2 - 2t y = 1 - 5t y = 3 - 2t z = 2 - t z = 1 + 4t Parametric equation of the plane = + t1 + t2

2. ## Math

What is m - 7

3. ## Maths

Andrianna can read 7pages in 10 minutes. At this rate how many pages can she read in 25 minutes?

4. ## Algebra

You invest \$5,500 into a 4.5% one-year CD. Find the balance of the account after five years if it's compounded: a. Quarterly Equation:______________________ Balance: \$_________________ b. Annually Equation:______________________ Balance: \$_________________

5. ## Algebra

How much would you need to invest to get \$30,000 in 10 years for an account offering 2.54% interest?

6. ## Algebra

find the numbers of this geometric sequence: 8, __ , __, __, 648

7. ## Algebra

You just purchased a painting for \$1500 as an investment and it is suppose to appreciate in value at a rate of 3.65% each year. What will it be worth in 25 years?

8. ## Math

Suppose you deposit \$1000 in an account paying 4% annual interest, compounded monthly. How much money will you have after 15 years?

9. ## Latin (GA Connections Academy)

Can you please help me with these translations? I know this is just homework help and not "we're going to solve your problems" but I have been slaving over these problems for hours and yes I have cried. I have scoured every resource available, including

10. ## algebra 2

Logs are stacked 7 rows high. The top row has 15 logs, the second row has 18 logs, and the third row has 21 logs. This pattern continues similarly. What is the total number of logs in the stack?

11. ## Math

Aricela is trying to estimate the distance between her house and the park. On a map with a scale of 0.5 in. = 2 miles, the distance between her house and the park is 2.75 in. Which proportion can Aricela use to determine the distance, d, between her house

12. ## chem

Consider the reaction when aqueous solutions of sodium nitrate and ammonium sulfide are combined. net ionic equation?

13. ## algebra 2

PLEASE HELP ME WITH THIS QUESTION I DONT WANT TO FAIL AND I FEEL AS IF IM WRONG! The average daily minimum temperature for Pablo’s hometown can be modeled by the function f(x)=15.3sin(πx6)+44.1 , where f(x) is the temperature in °F and x is the month.

14. ## Science

Cystic fibrosis is a recessive genetic disorder caused by a mutation of the CTRF gene. The disease is characterized by excessive mucus production along the respiratory and digestive tracts in addition to other symptoms. Cystic fibrosis is a progressive

15. ## chemistry

SO2 and O2 are placed in a 2.00 L container at a temperature of 786 °C and a pressure of 6.99 atm. During the reaction, SO3 forms and the pressure falls to 1.89 atm. Determine how many moles of SO3 are generated.

16. ## Math

In Manorville, the current rate for school taxes is 7.5% of property value Find the tax on a house assessed at 20,000?

17. ## math

If 2/5 of 2/3 division sign is divided by 3/10, what is the resulting value?

18. ## Algebra

Bernie has \$16000 invested, part at 3% and the remainder at 5%. If the yearly interest on each investment is the same, how much interest does he receive each year?

19. ## math

cant find a way tosolve this Five years ago, Ms. Halliday received a mortgage loan from the Scotiabank for \$60,000 at 7.8% compounded semiannually for a five-year term. Monthly payments were based on a 25-year amortization. The bank is agreeable to

20. ## MATH STEVE

A piece of string is 3 yards long. How many 1 1/4-yard long pieces can Julie cut from the string? A. 1 B. 2 C. 3 D. 4

21. ## Math

A piece of string is 3 yards long. How many 1 1/4-yard long pieces can Julie cut from the string? A. 1 B. 2 C. 3 D. 4

22. ## Government

What laws could be created by the idea of artistic expression?

23. ## math

If 2 workers takes 15 hours to make 3 fireplaces, how long 5 workers takes to make 4 fireplaces ?

24. ## Chemistry

For the reaction, calculate how many grams of the product form when 3.2 g of Mg completely reacts. Assume that there is more than enough of the other reactant. 2Mg(s)+O2(g)→2MgO(s)

25. ## Physics

A boy throws a ball off the top of a 30m high building with a speed of 10m/s at an angle of 30 degrees to the horizontal. How far from the base of the building does the ball strike? I broke in up into 2 dimensional: X horizontal values: Xi=0 Xf=?

26. ## Chemistry Homework

Backpackers often use canisters of white gas to fuel a cooking stove’s burner. If one canister contains 2.45dL of white gas, and the density of the gas is 0.720g/cm3, what is the mass of the fuel in kilograms? So

27. ## math plz help ;-;

Assuming that the cone is completely filled with ice cream, which of the following equations below could be used to calculate the total volume of ice cream in the cone (before you start eating it!)? On top of the cone is 18 as the bottom is 26.

28. ## math plz help ;-;

A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2

29. ## math plz help ;-;

What is the equation of the line containing the two points (-4, 8) and (1, -7)? A.y=-3x B.y=3x+4 C.-3y=x-4 D.y=-3x-4 I need help with this Q i don't understand it can anyone show me step by step ;-; sorry

30. ## math plz help ;-;

Determine the x-coordinate of the solution of the system of equations below. You may use any method: 2x-y=10 x+y=2 Determine the y-coordinate of the solution for the system of equations. You may use any method. 2x-y=10 x+y=2 Plz help i really don't

31. ## math plz check ;-; sorry

A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2

32. ## math plz check ;-;

A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2

33. ## math plz check ;-;

Order the following solids from least (1) to greatest (3) volumes. A rectangular pyramid whose base has an area of 60 in2 and whose height is 10 in. third A rectangular prism with a length of 6 in, a width of 5 in, and a height of 10 in. first A right

34. ## math plz help ;-;

What is the y-coordinate of the y-intercept of the linear equation 2x - 3y = 12? Plz help I don't understand how to do this can you show me step by step plz, sorry ;-;

35. ## math plz help ;-;

What is the equation of the line containing the two points (-4, 8) and (1, -7)? a.y=-3x b.y=3x+4 c.-3y=x-4 d.y=-3x-4 plz check if my answer is correct. My answer is c ^^;

36. ## math plz check ;-;

Choose the correct graph for the linear equation 2x - 3y = 12. a.y=-3x b.y=3x+4 c.-3y=x-4 d.y=-3x-4 plz check if my answer is correct. My answer is c ^^;

37. ## math plz help ;-;

Solve the following equation: -2(x-3)+4=8x-20 please help me how to do this step by step plz i do understand how to do this, sorry ;-; And thank you for the ones the helped me with the other Q :D

38. ## math plz help ;-;

1. Solve the system by any method: 2x-5y=-1 2x-y=1 How many solutions does the system of equations below have? Explain your answer. y=3/5x-1 y=6/10x+3 plz help me ;-; i don't understand how to do this, sorry ;-;

39. ## Math help ;-;

Solve the equation. Check your answer. 5x-4(x+9)=2x-3 can anyone help me how to do this plz ;-; sorry

40. ## HELP GRAMMAR ;-; PLZ CHECK IM SORRY ^^;

The first person in the door was she. A.Object of a preposition B.Predicate Nominative C.subject D.direct object The reporter shook hands with the winner and then gave the trophy to her. A.Predicate Nominative B.subject C.Object of a preposition D.direct

41. ## grammar help /;-;/ plz check

Which sentence contains an error in the use of end marks or commas? A.In the garden were rows, and rows of peas, beans, carrots and radishes. B.A wind, nervous colt was bucking and refusing to enter the trailer. C.The book, in my humble opinion, seemed a

42. ## grammar check PLZ HELP ;-;

Which sentence contains an error in the use of end marks or commas? A.Miss K.C. Fairchild will lead the band in a Sousa march. B. Mom, what does B.C. mean? C.Dr. and Mrs. Majeck will attend the party on March,12,2007. D. Address inquiries to Ella Adams,

43. ## grammar check PLZ HELP ;-;

Which sentence contains an item that is either incorrectly italicized or should be italicized? A. On the ship's deck was women reading a novel called (Mystery at Sea). B. He painted the seaplane blue and named it "Kingfisher." C. In (Newsweek), I read an

44. ## GRAMMAR HELP plz check ;-;

Which sentence contains an item that is either incorrectly italicized or should be italicized? A. On the ship's deck was women reading a novel called (Mystery at Sea). B. He painted the seaplane blue and named it "Kingfisher." C. In (Newsweek), I read an

45. ## GRAMMAR HELP plz check ;-;

Which sentence contains an item that is either incorrectly in quotation marks or that should be in quotation marks? A.Read the chapter titled The Hidden Life of Molecules. B.Why did you call the painting Wildlife Number 57? C.A busload of children was

46. ## GRAMMAR HELP plz check ;-;

"You have the answers in the back of the book," he said, "so you should check every answer." A.The period belongs outside of the quotation marks. B. (So) should be capitalized. C. Delete the comma after the word book. D. No revision is necessary. Im

47. ## english (grammar) HELP!!!

Identify the sentcence that is not punctuated correctly. A. "Did she say 'no more tickets will be sold'?" Ben wondered. B. Lucy begged,"Just don't say, "Lets do lunch,"please!" C."Why did he call you 'bug' just then? Is that your nickname?" she asked. D.

48. ## Data management

A security code consists of either five or six different letters. How many distinct security codes are possible ANS:173659200

49. ## Math

Im stuck on these multiply choice questions for math. Please help. It's due tomorrow!! Question 1- Bob received a credit card statement that has a new balance of \$786.75 and a minimum payment of \$25.60. Bob makes only the minimum payment. He makes no other

50. ## Physics

If it takes an object 68 seconds to make 16 rotations, what would be the period of rotation? T=16/68 Is this right?

51. ## halp

3. What are the solutions of the system? y = x + 5 y = x^2 - x + 2 A. (3,14) and (-1,0) B. (3,8) and (-1,4) C. (3,8) and (-1,0) D. (-3,2) and (1,6) 4. What are the solutions of the system? y = x^2 - 2x - 8 y = x + 2 A. (5,7) and (-2,0) B. (5,3) and (-2,4)

52. ## trigonometry

what is the smalliest positive anglecoterminal of -61 degrees,501,632,1024,-350,721,-0.5 and 512 degrees?

53. ## maths

during a week a student spends 1/5 of her time in bed,1/8 of her time doing home work and 2/5 of her time in lessons.What fraction of her time is left for doing other things?

54. ## Calculus

What is the first derivative of the following function: f(x) = a^(-bx)? (I am lost with this question)

55. ## math

At the local bank, 60% of the employees have 2 or more children. There are 240 employees that have fewer than 2 children. How many employees does the bank have?

56. ## Chemistry

When a 10 g sample of copper oxide is reduced by heating in the presence of carbon monoxide, how many moles of copper are formed?

57. ## Economics (Net Present Value

Approximately 14 million Americans are addicted to drugs and alcohol. The federal government estimates that these addicts cost the U.S. economy \$300 billion in medical expenses and lost productivity. Despite the enormous potential market, many biotech

58. ## calculus

find the minimum and maximum points of the curve y=x^4-4x^3+4x^2

59. ## English plz help quick

what literary term is this and why. I think the world is a series of broken dams and floods.

60. ## english

does this sentence show antithesis The humor almost always proves painful

61. ## Science

1.If the current (in amps) remains the same, but the voltage increases, what effect does this have on the power (in watts) consumed by some device? 2.How is the dimension of time different from the dimensions defining space?

62. ## English

in lord of the flies my character is Simon. I'm writing my concluding sentence and I can't quite figure out how to end it Simon is the most unique character in the novel. with his kindness and independent personality he is............ plz help finish

63. ## history

why did Britain have any control over Canada (1930s)

64. ## history

I have to create a mind map about the Great Depression. there are seven factors contributing to the effect. I need help creating a visual aspect to show the causes and effect. ex. (it's taken) a hockey net that says Great Depression and different sports

65. ## English

my statement is people can be kind without laws or police.. I can't think of points supporting my statement. plz help

66. ## algebra

Consider the equation y=-2√3x-12 -5 a. Write the equation in function notation, y=af(k(x-c))+d. b. Describe the transformations that have taken place from base the function.

67. ## english

should a person pursue someone who seems not to like them?-with the hope of changing their mind

68. ## English

I'm writing a news report about a rocket club sets new launch record. I need ideas on what to write about that heading

69. ## world history

what are the respective strengths of WTLC(workers) and the opponents (management) in the Winnipeg general strike?

70. ## Chemistry

Hello, I'm having some trouble getting started on this question: "Calculate the volume and mass required to make 0.1 M solutions of Propionic Acid (1.0 M) and Sodium Propanoate (96.06 g/mol)" I would normally not have trouble answering this question when

71. ## Algebra 2

Given that f(x) = x² + 4x, evaluate f(-2).

72. ## math

it costs \$12.50 to see a movie at a theater near jason's house. it only costs \$1,95 to rent a dvd from an online service a dvd player costs \$125 to the nearest whole number, how many movies must jason watch on dvd instead of at the theater before he

73. ## English Essay

From reading the short story "The Boat", what are the effects when people refuse to be restricted to the confines of a particular society? This is an essay topic that I chose, and I am not sure if my three subtopics cover it all (anger/disappointment,

74. ## English

From reading the short story "The Boat", what are the effects when people refuse to be restricted to the confines of a particular society? This is an essay topic that I chose, and I am not sure if my three subtopics cover it all (anger/disappointment,

75. ## chemistry

Under standard conditions for all concentrations, the following reaction is spontaneous at 25 ¢XC with EO = 0.16 V. + - 02 (g) + 4 H (aq) + 4 Br (aq) -+ 2 H20 (I) + 2 Br2 (1) If [H+] is a?justed by adding a buffer of 0.10 M NaOCN and 0.10 M HOCN (Ka = 3.5

76. ## Physics

A man is holding an 8.00kg vacuum cleaner at arm's length, a distance of .550m from his shoulder. What is the torque on the shoulder joint if the arm is held at 30degrees below the horizontal?

77. ## math

The temperature x in °f is related to the temperature in °c by the relation c(x) = 5/9 (x-32).What is the slope of graph in (b)?

78. ## Chemistry

If 0.85 mol of a diatomic molecule has a mass of 23.8g, identify the molecule? We tried to multiply .85 mol and 23.8g and then multiply by 2 to get an answer, but I believe I might be heading in the wrong direction.

79. ## Math

Mrs. Warren is making a snack for her class. The recipe calls for chocolate chips and peanuts in a ratio of 4:2. If Mrs. Warren needs 15 cups of the snack, how many cups of the chocolate chips does she need?

80. ## Engineering

Determine the relationship between the radius and height of a right-cone with a volume of 300 cm3. This is all there is to the question and I'm not sure what my teacher wants for an answer.

81. ## Chemistry

Jimmy is riding his bike at a speed of 5.5m/s. How long will it take him to go 2 miles? I tried using Dimensional Analysis, but how could you go from 5.5 miles a second to 2 miles?

82. ## math

Maria, who has been a computer consultant for the past 5 years, has 100 regular customers. Her standerd fee is \$90 per hour. She decided to raise her fees, and folowing some research and based on her previous experience, she expects that she will lose a

83. ## math

If the price of an item, after adding the 7.6% sales tax, is \$53.80, what is the price of the item, before tax?

87. ## computer problem

Many day ago my seddenly my computer can't open. The power botton can't light. Please help me.

88. ## Science

in a cladogram, a branch point represents a(n)____________ and a branch that ens without leading to living species represents___________. a. common ancestor,;extinction b.mutation; punctuated equilibrium c.extinct species: common ancestor D.common

89. ## BUS 401

Which of the following statments regarding the cost of preferred stock is true? a.It is typically found by solving for an annuity’s discount rate. b. It is tpically found by solving for an annuity's due's discount rate. C. It is found similarly to a

90. ## math

Moffett’s Candy Factory makes candy in the shape of cylinders. The net of a cylindrical piece of candy is shown below. two circle with diameter of 4cm each and a rectangle with a lenght of 1.5 cm wha is the total surface area of this piece of candy?

91. ## science

which of the following will make it harder in the future to develop sustainable methods for humans using resources? A. there will be fewer renewable resources B.more humans will populate the earth C.biodiversity naturally reduces over time D.more humans

92. ## math

Who proved this statement using deductive reasoning? If a, b, and c are consecutive positive numbers, then a+b+c is divisible by 3.* CARL: Take 4, 5, and 6. 4 + 5 + 6 = 15 which is divisible by 3. So it's true. LAYLA: If we have n, n+1, and n+2, and add

93. ## Calculus 1

I'm asked to find max and min of: L(t)=12+2.8sin((2pi/365)(t-80). I find the derivative as: L'(t)=(5.6*pi/365)*cos[(2pi/365)(t-80)] but I get lost afterwards.

Jungle Jim owes three debts: \$500 due in one year plus interest at 6% semi-annually, \$2000 due in two years, \$1000 due in three years plus interest at 5% compounded monthly. He wishes to discharge these debts by paying \$500 now and two equal but unknown

95. ## Math

P is a point outside of circle Γ. The tangent from P to Γ touches at A. A line from P intersects Γ at B and C such that m∠ACP = 120∘. If AC=16 and AP=19, find the radius of the circle.

96. ## English

11. In which one of the following sentences is the simple subject also the complete subject? A. Crocodiles, quiet as logs, lurked on the riverbank. B. Detectives Homer Fry and Janine Small looked high and low for clues. C. Large and small dinosaurs stalked

97. ## english

6. Which one of the following fragments is a prepositional phrase? A. During the darkest night B. Going to Cleveland C. Listening to her heart D. Completed her assignment I'm stuck between A & B please help me?

98. ## english

4. In which one of the following sentences does the subject come after the verb? A. Brock traveled over miles of dirt roads. B. On the next street, you'll find the shoe shop. C. Whenever he's in town, Jeremy likes to go fishing. D. Where is my Elvis CD? I

99. ## english

1. In which one of the following sentences does the verb agree with the subject? A. There is a million reasons why I shouldn't go. B. Here is the reasons we can't start the car. C. Who is the people in the photograph? D. The book that explains the plays is