# Questions Asked onMarch 3, 2017

1. ## Science

1. granite lasts a long time when it is used for building in areas where

2. ## language arts

In both "Miracles" and "in Justâ€”," the poets use images that appeal to the senses. In a paragraph, compare the use of imagery in the two poems. First, present images in each poem that appeal to the senses of sight, sound, and touch. Then, state at

3. ## Science

A uniform have metre rule,pivoted at 20cm mark balances horizontally when a mass of 50g is suspended from 4cm mark calculate the mass of the metre rule.

4. ## physics

At what rate is a 60.0-kg boy using energy when he sprints up a flight of stairs 10.0 m high in 8.00 s? A. 75.0 W B. 48.0 W C. 735 W D. 480 W E. 4.80 kW

5. ## Math

The Mall: My sister likes to go shopping. Yesterday she borrowed a wad of money from Mom and went to the mall. She began her excursion by spending \$18 on a new CD. Then she spent half her remaining money on a new dress. Then she spent \$11 on lunch. Then

6. ## Math help plz?!!

Enter the value of arcsin(0.89) as a decimal to the nearest hundredth of a degree in the box. The answer I got was 1.097º

What is a positive coterminal angle to 47° that is between 500° and 1000° and a negative coterminal angle to 47° that is between −500° and 0°? I don't really understand how to do this >.

8. ## Algebra

1. which solid has two bases that are triangles and three lateral surfaces that are rectangles a. triangular pyramid b. rectangular prism c. triangular prism *** d. rectangular pyramid 2. a solid with two parallel and congruent bases cannot be which of the

9. ## math

2. Write the decimal 0.063 as a percent. a) 0.63% b) 6.3%

10. ## American Government

Consider the expressed, nonlegislative powers related to patents and copyrights. Why did the Founding Fathers include these ideas in the expressed powers of Congress? How have patents and copyrights contributed to U.S. history and identity? I have no idea

11. ## Calculus

Consider the differential equation dy/dx = x^4(y - 2). Find the particular solution y = f(x) to the given differential equation with the initial condition f(0) = 0. Is this y=e^(x^5/5)+4?

12. ## Chemistry

At what temperature will 0.0100 mole of argon gas have a volume of 275 mL at 100.0 kPa?

13. ## math

A cab company charges \$2 per cab ride, plus an additional \$2 per mile driven. If a cab ride is 7 miles long, how much will it cost?

14. ## Science

18. The description of the structure of the atom is called the ___. ATOMIC MODEL 19. In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A ______ bond is found in a water molecule. COVALENT BOND 20. Sodium chloride is formed

15. ## Statistics

A basket ball player makes 70% of her free throws. She takes 7 free throws in a game, and makes 5 of her 7 throws. If the shots are independent of each other, Then what is the probability that she makes the first five and misses the last 2?

16. ## Technical writing

Which is the correct comparative form of easy? Select one: a. easiest b. more easy c. easier d. easyer C

17. ## CHEMISTRY

*Consider a 0.15 m strontium chloride aqueous solution. a. Determine the molality (in m) of all solutes in the solution. Assume that strontium chloride completely ionizes when dissolved in water. All solutes means all cations and anions. The molality that

18. ## maths

a man sells two tables at the same price. On one he makes profit of 10% and on other he suffers a loss of 10 %.Find his loss or gain percent on the whole transaction

19. ## math

Peter played his favorite video game for 10 hours last week. Today, Peter's parents restricted him to 5 additional hours each week for the next 8 weeks. Create the function, f(x), that models Peter's total video game time? Is it f(x)=5x + 10 or f(x)=5x + 8

20. ## social studies... help!!

my answers are the ones with the stars.. please help. 8.The 54th Massachusetts Regiment is famous because: a. It helped win the Mexican-American War ***b. It was a famous Confederate army unit noted for its heroism in battle c. It was an African American

21. ## physics

In which of the following situations is the most work done on the object? A. Holding a 50 kg object. B. Carrying a 30 kg object down a 40 m long hallway. C. Lifting a 20 kg object 1 m up. D. Carrying a 15 kg object up a flight of stairs. E. Lowering a 25

22. ## Writiing Skills

As a result, although the swimming or boating may be great, you will have to get up at daybreak to beat the crowds. If rewrote the sentence As a result, although the swimming or boating may be great, the next word should be a) since b) but c) and d) if e)

23. ## writing

What else can they do when repaired walls separate from beams or restoring sockets carry no electricity What correction should be made to this sentence? 1) Insert a comma after walls 2) change the spelling of separate to seperate 3) Change restoring to

24. ## Math

Alberto is painting a large triangle on one wall of his bedroom the base of the triangle is 4ft and height is 8ft it takes 0.2 quart of paint to cover 1 square foot

25. ## Calculus

Write an expression for y = f(x) by solving the differential equation dy/dx = x√y with the initial condition f(3) = 25. I got y = (x^2/4 + 11/4)^2.

26. ## calculus

A cable hangs between two poles of equal height and 40 feet apart. At a point on the ground directly under the cable and x feet from the point on the ground halfway between the poles the height of the cable in feet is h(x) = 10+(0.1)*(x^1.5). The cable

28. ## Social studies

Compare the experience of farmers,coal miners,and union labores during the 1920s. What did many have in common? 1.Economic prosperity 2. Public disapproval 3. Federal assistance 4. Financial hardship I choose A is it correct Ms. Sue

29. ## physics 11

a water bomber flying with a horizontal speed of 85m/s at a height of 3000 m drops a load on a fire below. how far in front of the target fire should the load be released?

30. ## math

The ratio of Jim’s money to Peter’s money was 4 : 7 at first. After Jim spent half of his money and Peter spent \$60, Peter had twice as much money as Jim. How much money did Jim have at first?

31. ## Chemistry

A 25-mL sample of 0.160M solution of NaOH is titrated with 17 mL of an unknown solution of H2SO4 What is the morality of the sulfuric acid solution.

32. ## chemistry

For the reaction 2Na(s)+Cl2(g)→2NaCl(s)2Na(s)+Cl2(g)→2NaCl(s), how many grams of NaCl could be produced from 20 L of Cl2Cl2 (at STP)?

33. ## Physics

Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 7.1Ω and 20.9 W, 29.5Ω and 11.4 W, and 13.6Ω and 12.5 W. (a) What is the greatest voltage that the battery can have

34. ## chemistry

You measure out 3.00 mL of 0.100 M Co(NO3)2, place it in a test tube and add 7.00 mL of water. What is the concentration of the diluted solution in the test tube?

35. ## CIS

Assume you have a computer that contains 1 GB of memory. It contains 4 memory slots. Each slot can contain on of the following memory modules: 128 MB, 246 MB, 512 MB, 1GB or 2 GB. Two of the slots are currently used, each contain a 512 MB memory module.

36. ## ed tech

which of the following strategies might be useful when organizing items in your study area

37. ## rift vally universtiy

prove the profit maximaization of the consume i.e mu=p, according tocardinalist using mathmaticale derivation

38. ## Maths

How many cubes of edge 1/2cm are required to build a cube of side 3cm

39. ## Calculus AP Exam review explanation pls

1)What is the area bounded by y = x^2 and y =3x? A)5 B)9/2 ***C)8 D)11.2 E)25 i believe it to be 8 but im not sure. 2)The region R is bounded by the x-axis, x = 2, and y = x^2. Which of these expressions represents the volume of the solid formed by

A double-slit experiment is performed with light from a Helium Neon Laser on two slits 80 micrometers apart. The first bright interference fringe left of the center is spaced 2m from the bright center. How far away from the double slit is the screen?

41. ## Physics

A(n) 0.34 kg soccer ball approaches a player horizontally with a speed of 6.18 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 31.3 m/s . What is the magnitude of the impulse de-

42. ## physics

A 60kg boy climbs 70 fligts of stairs each 20cm high in one minute how much powers is developed?

43. ## Statistics

A manufacturer estimates that when x units of a particular commodity are produced each month, the total cost (in dollars) will be C(x) = 1/8x^2+4x+200 and all units can be sold at a price of p(x) = 49 - x dollars per unit. Determine the price that

44. ## Math! Help Hurry!

Two vertices of a right triangle have the coordinates (−2, 5) and (9, 5) . What is the length of the side formed by these vertices?

45. ## math

A flower displays contains tulips, roses, and carnations. For every 10 tulips, there are 4 roses and 6 carnation. The display contains 100 flowers. How many of the flowers are tulips?

46. ## physics

A 10-kg mass is moving at a speed of 4.0 m/s. How much work is required to stop the mass? A. 20 J B. 40 J C. 60 J D. 80 J E. 100 J

47. ## chemistry

In an experiment designed to determine the concentration of Cu+2 ions in an unknown solution, you need to prepare 100 mL of 0.10 M CuSO4 as your stock solution. How many grams of CuSO4(s) should you use?

48. ## math

To make green paint, Tyler mixes 14 ounces of yellow paint with 10 ounces of blue paint.How many ounces of yellow paint are there per ounce of blue paint?

49. ## physics

Object A of mass M is released from height H, whereas object B of mass 0.5M is released from height 2H. What is the ratio of the velocity of object A to that of object B immediately before they hit the ground? A. 1 : 2 B. 1.41 : 1 C. 1 : 1.41 D. 1 : 4 E. 1

50. ## Math - Linear Approximation

I have a follow-up question from a problem I posted earlier: Approximate sin(61π/360): So, sin(60π/360 + π/360) = sin(π/6 + (π/360)) Now the equation for linear approximation is f(x+a)=f(a)+f'(a)(x-a). To get the right answer, that means plugging in

51. ## Database Design and Programming

Assignment Problem. Given the following functional requirements description of the following application, produce an ERD model based on the Crow’s Foot model—that can be implemented. Show all entities, relationships, optionalities, connectivities, and

52. ## physics

Which quantity and unit are INCORRECTLY paired? A. Quantity: F Unit: kg m/s B. Quantity: J Unit: N·s C. Quantity: W Unit: J D. Quantity: P Unit: W E. Quantity: E Unit: kg m2/s2

53. ## Math

In Portland, the tax on a property assessed at \$590,000 is \$6,490. If tax rates are proportional in this city, how much would the tax be on a property assessed at \$710,000?

54. ## Science

1. In paper chromatography, is the substance being tested the solute or solvent? Explain your answer. I think the substance being tested is a solvent. I think this because it is being dissolved to form the ink on the filter paper. 2. A bucket of paint

55. ## Rpcc

You throw a ball horizontally off a building with a horontal velocity of 10 m/s. What is the ball's horontal velocity 5 seconds later? What is the ball's vertical velocity 5 seconds later?

56. ## Math

If Leah walks 5 miles in 60 minutes, then Leah will walk how far in 110 minutes if she walks at the same speed the whole time? If necessary, round your answer to the nearest tenth of a mile.

57. ## rift vally universtiy

Expain the profit maximation codition of plant monoplist

58. ## Mathematics

If 4 painters can paint 3 rooms in 12 hours, how long will it take for: a) 1 painter to paint 3 rooms? b) 1 painter to paint 1 room? c) 4 painters to paint 1 room? d) 2 painters to paint 6 rooms

59. ## math

AB is a chord of a circle with center O, C is the midpoint of the chord AB, extend OC to the point D on the circle. If OC=CD, what is the measure of angle AOB? 90 100 120 60

60. ## Statistics Maths

Iam confused by this and need some help not sure if I am right about this = 3000-7.3x x 50 = 2635 regression equation: number of tickets = 3000 - 7.3x, where x = ticket price. If Yoncebé prices the tickets at \$50, how many tickets is she predicted to

61. ## physics

Mass M1 has twice the mass of M2. M1 and M2 are raised from a height of 5 m to 25 m, and from 14 m to 24 m, respectively. What is the ratio of work done on mass M1 to that done on mass M2? A. 1 : 4 B. 25 : 12 C. 4 : 1 D. 2 : 1 E. 5 : 1

62. ## English

1. What is he wearing on his head? -He is wearing a wig? 2. What is he wearing on his upper body? - He is wearing a T-shirt. 3. What is she wering on her feet? - She is wearing sandals. -------------------------------- We can divide our body into three

63. ## Physics

Scenario : A truck has a mass of 2000kg and is moving at 50m/s and collides with another truck that has a mass of 2000kg moving at a speed of -20m/s. 1)Is this a sticky or springy collision? 2)What is the total momentum after the collision? 3)If both

64. ## English

1. Jenny's friends're not angry. 2. Your friends're generous. (Are the contractions grammatical?) 3. Middle school is not the same as elementary school. 4. Middle school is not the same as elementary school is the same. (Does #3 mean #4? Is #4 the full

65. ## math

I am a secret number with 4 in the ones place a 6 in the tenths place . Who am I ?

66. ## Hcpcs

J codes do not include drug_____. Amount?

67. ## Physic

A force of 7000N is applied to drag a 500 kg cow across a flat level floor to McSlaughter House. The cow has an acceleration of 2.5 m/s2. (a) what's the weight of the cow? (b) what is the normal force acting on the cow? (c) What is the resultant force that

68. ## Physic

A 25 kg box is set on a flat surface with us=0.62 and uk=0.49. A force of 100N is applied to the box through a rope which makes and angle of 30 degrees with the horizon. (a)what's the component of Fa that is attempting to move the box sideways? (b) what's

69. ## Math- Formulas

What are some formulas that you use in everyday life and how do you use them? I already wrote about volume but I need some other ideas.

70. ## Algebra

Zeroes at 1±sqrt(2) ,y-intercept at –4 f(x)=?

71. ## Maths

How many cubes of edge 1/2cm are required to build a cube of side 3cm

72. ## Stast

Mean=15.854, Median=15.99, Mode=16.21, SD=0.661381 1) what is the probability that a randomly chosen bottle will contain 16 ounces of soda? 0.22075, 0.587357 2)What is the value of soda associated with a Zscore of -1.5

73. ## Math

I need to describe a situation that's linear and nonlinear, but I'm not sure how. Can someone explain, or give an example?

74. ## math

think of a number. Triple it. Add 100. double the result. Add 100. divide the result by 4. subtract one a half time the original number. What is the result?

75. ## physics 11

a canon is shot horizontally at 15 m/s off a cliff, which is 36m above water. how far away from the cliff should the target enemy boat be when the canon is shot?

76. ## biology

why does the knee jerk reflex still work for people who have spinal cord injuries?

77. ## MATHEMATICS

What is the slope of the line that passes through (2, 5) and (−1, 5)? A. Undefined B. 0 I think its 0

78. ## math

(a) Mr. Smith divides a sum of money between his three children Alex, Billy and Charlie in the ratio 3 : 2 : 7. If Charlie received \$120 more than Alex, how much money did Billy receive?

79. ## math

You bought two varieties of rice, costing 5 cents per ounce and 6 cents per ounce each, and mixed them in some ratio. You then sold the mixture at 7 cents per ounce, making a profit of 20 percent. What was the ratio of the mixture?

80. ## Maths

How many cubes of edge 1/2cm are required to build a cube of side 3cm

81. ## Physics

p = mv Scenario #4 At a station ,a train weighs approximately 1000kg and is moving at 50m/s on a railway and collides with an incoming train weighing 1000kg and moving at -20m/s. 1)If these two trains stick together and begin to move after having being

82. ## Maths

Allan buys a used car for his daughter by paying a 20% deposit and \$275 per month for 4 years. If the car has a cash price of \$10 400, find the flat interest rate (p.a.) correct to one decimal place. I got 14.7% but the answers say 58.7 could someone

83. ## physics

Determine the ionization energy required to extract the electron totally out of a hydrogen atom, and put it at rest

84. ## Math

What criterias do two graphs have to meet in order to be isomorphic? I know they must have the same number of vertices and edges. Do they both have to be bipartite/non-bipartite?

85. ## calc

If f is the focal length of a convex lens and an object is placed at a distance p from the lens, then its image will be at a distance q from the lens, where f, p, and q are related by the lens equation 1f=1p+1q What is the rate of change of p with respect

86. ## maths trigonometry

solve the equation (cos theta +1)(tan theta minus 1)=0 for solution between 0 and 2pii.

87. ## maths trigonometry,

find all solutions between 0 and 2pii for (tan theta =1)and (cos theta =negative 1/2).

88. ## Algebra

A clock's minute hand moves 60 grade in 10 minutes and 180 grade in 30 minutes low far does it move from 11:00 to 11:40? What is the problem asking you to find? The measure of the angle on a clock from What do you need to know to solve the problem? What is

89. ## Algebra 2

If the slope turns out to be 4/0 in an equation them is it undefined. Also, therefore, would the y intercept not be able to be determined or can it be determined?

90. ## Social Studies

what industries did fishing help to grow in the 1800s

91. ## math

points] Two alloys A1 and A2 are composed of two basic elements. The ratios of the compositions of the two basic elements in A1 and A2 are 5 : 3 and 1 : 2, respectively. A new alloy is formed by mixing the two alloys A1 and A2 in the ratio 4 : 3. What is

92. ## calculus

dt/dx= ((x^2+a^2)^(1/2))/v1+((b^2+d^2)^(1/2))/v1 the function dt/dx has a zero at a unique x on (0,d). Use this to justify your discovery that d= (x^2+a^2)^(1/2) + (b^2+d^2)^(1/2)

94. ## math

The ratio of marks obtained by Ashpreet and Bhupinder on an exam is 6 : 5. If the combined average of their percentage scores is 68.75%, and the sum of their marks is 275, what was the exam out of?

95. ## math

If x : y = a : b, prove that x : y : (x + y) = a : b : (a + b)

96. ## maths trigonometry

solve the equation (2cos theta +1)(tan theta minus 1)=0 for all values between 0 and 2pii.

97. ## math

(b) If I give you \$40 then the ratio of my money to yours is 4 : 5. On the other hand, if you give me \$40, then the ratio is 8 : 1. How much money do both of us have?

98. ## Math

Find the dimensions of a right triangle that maximizes the area when the perimeter is 10 cm

99. ## Algebra

f(2)=f(4)=0, f(3)=−2. f(x)=?