# Samuel

Popular questions and responses by Samuel
1. ## geometry

A park maintenance person stands 16 m from a circular monument. Assume that her lines of sight form tangents to the monument and make an angle of 47°. What is the measure of the arc of the monument that her lines of sight intersect? Please don't just

2. ## Arithmetic

The sum of three consecutive terms of a geometric progression is 42, and their product is 512. Find the three terms.

3. ## 2D Animation

Lesson 3: Wrapping Up Unit 10 2-D Animation Unit 10: Character Animation there are 15 questions plz help me

4. ## science

An empty relative density bottle weighs 25g.it weighs 65g when filled with a liquid and 75g when with water.caculate the density of the liquid.

5. ## Algebra

A rectangle is drawn so the width is 7 inches longer than the height. If the rectangle's diagonal measurement is 46 inches, find the height.

6. ## Probability

The letters in the word MATHEMATICS are arranged randomly. What is the probability that the first letter is E? Preview What is the probability that the first letter is M?

7. ## Probability

A computer password is required to be 9 characters long. How many passwords are possible if the password requires 2 letter(s) followed by 7 digits (numbers 0-9), where no repetition of any letter or digit is allowed?

8. ## General chemistry

Phosphorus pentachloride is produced by the reaction between phosphine and chlorine gas. What mass of chlorine gas would be required to produce 0.015kg of phosphorus pentachloride?

9. ## algebra

A rectangular piece of cardboard measures 17cm by 14cm. Strips of equal width are cut off one side and one end. The area of the remaining piece is 108cm^2. Find the width of the strips removed.

10. ## chemistry

the molarity of 2% by weight of aqueous solution of H2S4(molecular weight = 98)

11. ## math

There are 6 muffins in a package.How many packages will be needed to feed 48 people if each person has 2 muffins? A.4 B.8 C.16 D.24

12. ## Physics

A brass measuring tape is correct at 20 degree Celsius. The value obtained when the length of a field is measured with the rule at 50 degree Celsius appears to be 70.5m. what is the true length of the field Linear expansivity of brass =1.8 ×10 raise to

13. ## physics

(1) a car travelling at a constant speed of 20ms-1 overcomes a constant frictional resistance of 300N. What is the horse power of the engine? ( take 1h.p = 3/4 kw)

14. ## math

Camp Oaks gets 32 boxes of orange juice and 56 boxes o apple juice.Each shelf in the cupboard can hold 8 boxes of juice. What is the least number o shelves needed for all the juice boxes?

15. ## Calculus

A voltage V across a resistance R generates a current I=VR. If a constant voltage of 4 volts is put across a resistance that is increasing at a rate of 0.3 ohms per second when the resistance is 4 ohms, at what rate is the current changing? (Give units.)

16. ## Math

Shelly sews a square blanket that has an area of 144 square ft. It has 36 square blocks each of the same size, what is the approximate length of each side of a block. A.1 foot B.2 feet C.3 feet D.4 feet Please I need help with this asap.i suck at math

17. ## chemistry

Phosgene (COCl2) is an extremely poisonous gas that was used extensively in World War I as a chemical warfare agent. At 300oC, phosgene decomposes to carbon monoxide and chlorine with a Kp = 6.8 x 10-2. Calculate the pressure in the vessel at equilibrium

18. ## math

the minute hand of a clock is 6cm long.how far does the end of the hand travel is 35minute

19. ## chemistry

what will haprn if ammonium chloride solution is used to standardize potassium tetraoxamaganate VII solution instead of ammonium iron II sulphate

20. ## chemistry

A 130.0 mL buffer solution is 0.100 M in NH3 amd 0.135 M in NH3 and 0.135 M in NH4Br. What mass of HCI could this buffer neutralize before the pH fell below 9.00?

21. ## math

If the wheel of a bicycle has a diameter of 60cm, calculate how far a cyclist will have travelled after the wheel has rotated 100 times.

22. ## physics

A stone of mass 0.7kg is projected vertically upward with a speed of 5m/s.calculate the maximum height reached. [Take g=10m/s^2 and neglect air resistance]. "

23. ## 2D Animation

a weighting of 100 in the weight painting mode is represented by which of the following the color blue the ratio 1:1 the color red the ratio 2:1

24. ## Chemistry Help

If it takes three "breaths" to blow up a balloon to 1.2 L, and each breath supplies the balloon with 0.060 moles of exhaled air, how many moles of air are in a 3.0 L balloon? i am trying to use v1/n1=v2/n2 but i am stuck, can u help? thank you

25. ## Physics 11 - Dynamics

While standing on a horizontal frictionless surface a 50.0 kg student pushes against a wall with an average force of 125 N to the right for 0.110 s. Calculate the velocity of this student at 1.110 s. My answer: Vf = 0.275 m/s My solutions book has Vf =

26. ## math

During the summer holidays,your brother earns extra money mowing lawns.He mows 6 lawns an hour and has 21 lawns to mow.How long will it take him?

27. ## Social Studies

Victory at which Battle convinced the British to help the Americans? I'm thinking its the Battle of Saratoga

28. ## chem

What volume of 0.200 M H2SO4 will be needed to neutralize 50mL of 0.178 N NaOH? i don't even know how to start

29. ## Geometry

The area of a regular octagon is 35 cm². What is the area of a regular octagon with sides three times as long?

30. ## Science

How is the equator similar to the prime meridian?

31. ## Math

In a circle whose center is O, arc AB contaisn 100 degrees. Find the number of degrees i angle ABO?

32. ## Math

a 6.5 ounce can of tuna for \$1.39 or a 3 ounce can of tuna for \$0.65. the 6.5 ounce can of tuna costs ________ the 3 ounce can of tuna costs __________ the ______ ounce can of tuna is the better buy

33. ## Algebra

a. For the first company, express in words the amount the cab company charges per ride and per mile. Charge per ride: \$3 per mile \$0.50 b. Write an equation in slope-intercept, point-slope, or standard form. Explain why you chose the form you did.

34. ## maths

From point AandB on level ground,the angle of elevation of the top of a building are 25degree and 37degree respectively.if |AB|〓57m,calculate,to the nearest metre,the distances of the top of the building from AandB if they are both on thesame side of the

35. ## Chemistry

1. You have gone back in time and are working with Dalton on a table of relative masses. Following are his data: 0.602g gas A reacts with 0.295g gas B 0.172g gas B reacts with 0.401g gas C 0.320g gas A reacts with 0.374g gas C a) Assuming simplest formulas

36. ## Chemistry

What is the oxidation half reaction for the following equation: Cr2O7^-2 +Fe+2 - - > Cr^+3 + Fe^+3 Cr^+3 - - > Cr2O7^-2 Fe^+2 - - > Fe^+3 Fe^+3 - - > Fe^+2 Cr2O7^-2 - -> Cr^+3***

37. ## Maths

The total surface area of a rectangular solid is 130cm, if the solid is 7cm long and 5cm wide. Calculate the height

38. ## Science

The efficient of a machine is 75%if the work output is 45J, what is the work input

39. ## General chemistry

If 10g of phosphine is made to react with 15g of chlorine gas, calculate the percentage yield if 5.5g of phosphorus pentachloride was experimentally produced

40. ## science

'Imagine there is a tank of unknown gas that contains 53.31% carbon, 11.18% hydrogen, and 35.51% oxygen by mass. At 35.0 °C and 0.455 bar, 2.00 L of the gas has a mass of 3.20 g. Using this information, answer the following questions. a.) What is the

41. ## chem

why do elements in the same family generally have similar properties?

42. ## social studies

At the federal level, judges are nominated by the President and then those nominees have to be approved by the Senate. The U.S. Constitution does not specify how states can choose their judges so different states use different methods. The three most

43. ## math, science

11o members of a sports club play at least one of the games, football basketball and volleyball. If 20 play football and basketball only,15 play football and volleyball only, 26 play basketball and volleyball only, x play all the three game,2x each play

44. ## American Government

1. Look at the map below. What is true about direct legislation in the United States? *all states have ballot initiatives and popular referendums Very few states have adopted the initiative and the referendum. Most Western states do not have the initiative

45. ## math

Find the perimeter of the given triangle. Round your answer to the nearest tenth if necessary. ∆BCH, if ∆CBH ∼ ∆FEH, ADEG is a parallelogram, BH = 4, HE = 7, EF = 25, and HF = 24.

46. ## English III (11th grade)

Lana woke up, curled in a corner of the seat at the back of the train. She lifted the shade to see that the sun had hidden itself in a bank of clouds fluffy as the eiderdown her mother had wrapped her in as a child. Her darling Ted, a military man with a

47. ## CHEM

on a heating curve graph...what factors determine the lengths of the flat regions of the graph and slope of the curve between the flat regions

48. ## physics sl

A dead dog of mass 2.2 kg and an initial speed of 5.5 m.s-1 slides along a rough horizontal surface and stops after travelling 4.2 m. calculate the frictional force between the dog and the surface (Think of the work the friction has to do to stop the dog

49. ## math

The perimeter of a rectangular concrete patio is 38 meters. The area is 90 square meters. What are the dimensions of the patio?

50. ## social studies

At the federal level, judges are nominated by the President and then those nominees have to be approved by the Senate. The U.S. Constitution does not specify how states can choose their judges so different states use different methods. The three most

51. ## Algebra

The first term of an A.P is 3 and the fifth term is 9.Find the number of terms in the progression if the sum of the progression is 81.

52. ## math

What are the steps to show the quotient in simplest form? 0.000027/0.000009

53. ## Math

Suppose you drive a car 392 miles on one tank of gas. The tank holds 14 gallons of gas. (Assume the car travels the same distance for each one gallon of gas) The number of miles traveled varies directly with the number of gallons of gas you use. a. Write

54. ## Physics

a wire of length 5.0m and diameter 2.0mm extends by 0.25mm when a force of 50newton was used to stretch it from the end. calculate the stress of the wire

55. ## physics

A ball of mass 4g is thrown from a top of a building with a velocity of 20ms^-1 towards another building which is 40m away @ an angle of 30 (above horizontal). @ what distance above or below will the ball strike the second building? (a)4.58m below (b)

56. ## chemistry

in one sentence,explain why Bf3 with incomplete octet structure is the preferred structure?

57. ## Chemistry

Wha volum of steam is produced when log of propyrie is burnt in excess oxygen at s.t.p?

58. ## College Physics

The point charges in Figure 17.41 are located at the corners of an equilateral triangle 25.0 cm on a side, where qb = +12.0 µC and qc = -4.50 µC. (Assume that the +x-axis is directed to the right.) (a) Find the electric field at the location of qa.

59. ## social studies

Identify three (3) ways that you are impacted by your state or local government. What are some services provided by these levels of government? Why doesn't the federal government take on more of this role? Your essay should mention the principles of

60. ## English

Why traditional african marriage is an advantage for men only not, women

61. ## Math

Suppose you drive a car 392 miles on one tank of gas. The tank holds 14 gallons of gas. (Assume the car travels the same distance for each one gallon of gas) The number of miles traveled varies directly with the number of gallons of gas you use. a. Write

62. ## Chemistry

if 465cm Of Sulphur Oxide (So2) Can Diffuse Through Povous Portition In 30secs How LONg Will Equal Volume, 620cm^3 Of Hydrogen Sulphide (H2S) TaKe To Diffuse Through The Same Partition H 1, S 32, O 16

63. ## Algebra

1/3 of a number is added to 5. the result is one and half times the original number.find the number.

64. ## physics

A water molecule consists of an oxygen atom and two hydrogen atoms. Oxygen has a mass of 16 atomic units (u) and each hydrogen has a mass of 1 u. The hydrogen atoms are each at an average distance of 96 pm ( 96 x 10 -12 m) from the oxygen atom, and are

65. ## mathematics

1. How many real roots does y=x^3+x^2+9x+9 have? 2. If you know that a 6th degree polynomial has at least 5 complex roots, how many complex roots does it have in total? 3. A polynomial function has 3 real roots and 4 complex roots. What is the degree of

66. ## Math

A number plus one-third itself, equals 20. What’s the number?

67. ## math/physics

Estimate the percentage savings in the fuel bill if the thermostat is set back from 68 degrees F to 50 degrees F for 12 hours of the day, and left at 68 degrees F for the other 12 hours, assuming an outside temperature of 15 degrees F all day.

68. ## English

I am to write a speech to be delivered to honour my principal who is due for retirement at send-off party

69. ## physics

Alley club-ax consists of a symmetrical 8 kg stone attached to the end of a uniform 2.5 kg stick that is 98 cm long. The dimensions of the club-ax are that the stcik is 80 cm across and the stone is tied to the stick is 18 cm long. How far is the center of

70. ## Economics!

Suppose a chemical company is in a perfectly competitive industry and has a short run total cost curve of TC = q3 + 5q2 + 10q + 10 and a short run marginal cost of SMC = q2 + 10q + 10. At the price of 49, how many will be produced?

71. ## mathematics

For the function y=4x^2+5/x^2-6x+9, do both of the following: a. State the vertical asymptote of the function and describe how you found it b. State the horizontal asymptote of the function and describe how you found it

72. ## Computer C++ Programing

Using the if… else if, write a menu-driven program that permits the user to select one of the metric conversions: Lengths Weights Volumes Areas Use the following conversions: For Length: Inches to centimeter (1 inch = 2.54 cm) Yards to meters (1 yard =

73. ## Physics 11

Displacement is given by x=2+3t+4t². Find the value of instantaneous acceleration.

74. ## Earth Science

Having studied the data for patterns and trends, you should now be able to draw some conclusions about how knowing the half-life of the element Lokium would help you determine the absolute age of rock in which this element is found. In a paragraph, create

75. ## Chemistry

If 465cm^3 Of Sulphur Oxide (SO2) CAN diffuse Through Povous Portition In 30secs How Long Will Equal Volume

76. ## math

calculate the volume of the solid when the composite of a cube of edge is 28cm and the square -based pyramid of it height is 16cm

77. ## statistics

a survey from teeneage research unlimited found that 30% of teenage consumers receive their spending money from parttime jobs. If 5 teenagers are selected at random, find the probability that at least 3 of them have part time jobs

78. ## Chemistry

In the zinc-copper cell, Zn(s) | Zn^+2(1M) || Cu^+2(1M) | Cu(s), which electrode is negative? Cu^+2 Cu(s) Zn(s)*** Zn^+2

79. ## mathematics

a grocery store has a display of cans stacked in layers. The top layer has 1 can. Every other layer has 4 more cans than the layer above it. If there are 12 layers, use the formula for the sum of a finite series to find the number of cans in the display.

80. ## Science

How is the rate of erosion affected by runoff?

81. ## Chemistry

Write the net ionic equation for MgCO3 + H2SO4

82. ## mathematics

Use the binomial theorem to expand (2x-3y)^5 showing work is appreciated

83. ## mathematics

You set a goal to save at least 1,100 over a six week period. You are trying to decide between two plans. You are trying to decide between two plans Plan A: Deposit \$100 the first week and deposit 25% more each successive week for the next 5 weeks Plan B:

84. ## science

how would you determine the relative density of kerosene using a relative density bottle

85. ## Physics

A car travels 2.06 km in the x-direction, then turns left 70.3 degrees to the original direction and travels an additional distance of 4.23 km. Calculate the x component of the car’s net displacement. Let : d1 = 2.06 km, theta = 70.3 degrees , and d2 =

86. ## physics

Three balls A, B, and C, with masses of 3 kg, 1 kg, and 1 kg, respectively, are connected by massless rods. What are the coordinates of the center of mass?

87. ## math

John, a graduating senior at Bowie High School, is opening a savings account and initially puts in the \$1800 that he received in graduation money. He never adds anymore of his own money, and the bank pays an interest of 15% per year. If he never adss

88. ## math

Write a system of equations, three equations/three unknowns, that has (1, 2, 3) as the solution. for this can I just write any random coefficient and then put that as equal to 1,2 or 3? or if not what type of math would I use?

89. ## maths

Define utility using graph and mathematical expression

90. ## American government

6. What is the main job of the Ohio General Assembly? * 1 point to enforce the laws of Ohio to interpret the laws of Ohio to veto the laws of Ohio to make laws for the state of Ohio 7. Who is the current Governor of Ohio? * 1 point Jon Husted Mike Dewine

91. ## physics

the earth is on average 150million km from the sun calculat its average speed in orbit

92. ## Algebra

Determine whether the graphs of the equations are parallel, perpendicular, or neither. y=-x+2 y=-x-3

93. ## math

Using the vertices: B(-9,1), E(2,3), F(12, -2), G(1,-4). Determine whether BEFG is a rhombus, a rectangle, or a square. List all that apply and show the steps

94. ## physics

A cube of balsa wood (side length = 0.25 m) is tied with a string to the bottom of a waterfilled container. The wood is completely immersed. What is the tension in the string?

95. ## math

the bearing of Y from X is 160¤ and the bearing of Z from Y is 060¤. find the bearing of X from Z.

96. ## Chem 101. Science

Rank the following samples in mass from least to greatest. a) 2 x 1023 S atoms b) 0.25 mol of Cu atoms c) 2 mol of N atoms d) 6 x 1023 Na atoms

97. ## AP BIO

If a particular experiment were known to have a transformation efficiency of 3 x 103 bacteria/ìg of DNA, how many transformant colonies would be expected to grow on the LB/amp/ara plate?

98. ## Math

Why is it that the 1/2 pizza was not reciprocate and where from the 1/5

99. ## Math

Austin pays \$1.50 per day for high speed internet after paying the equipment fee of \$35.00. Identify the constant of proportionality that relates his internet charges (y) to the number of days (x) he has internet.