# emily

Newest questions and responses by emily
1. ## Math

Find the missing length. Round to the nearest tenth of necessary. It is a right triangle with side a being 8 ft and side b being 21ft what is the length of the 3rd side? A 441 B 22.5 C 64 D 19.4* Am I right and please explain I am a little confused.

2. ## Social studies

The late 1400's through the early 1600's was a time of exploration and early settlement of several European colonies. Each European country had different reasons for their exploration and settlement, but all encountered Native Americans during their

3. ## Calculus

Use your graphing calculator to evaluate to three decimal places the value of ∫ 0.5 to 3 ((sinx)/x)dx. I don’t have a graphing calculator so can I please have some help with this question? Thank you in advance!

4. ## Math

Which decimal had the same value as 72/100

5. ## Statistics

A gambler offers to let you play the following game: he will roll two (fair) dice. If the sum of the two dice is 7, you will lose \$8. If the sum of the two dice is 2, you will lose \$7. For any other roll, you will win \$4. What is the expected value of this

6. ## chemistry

aluminum metal is added to a solution of cobalt (II) sulfate

7. ## Math

A cellbphone company charges \$10 per month for up to 500 text messages and \$0.15 for each additional text message. Stanley was charged \$14.50 last month for text messages.

8. ## Math

What is the value of y 2x+3y=105 x+2y=65

9. ## Biology

What are the three layers of skin and a description of thier structures and functions? This is not for a test this is for notes and my teacher didn’t go over it well. Pls help

10. ## Math

Zach is planning to invest up to \$50,000 in corporate and municipal bonds. The lest he will invest in corporate bonds is \$6000 and he does not want to invest more than \$27,000 in corporate bonds. He also does not want to invest more than \$34,650 in

11. ## science

What factors could produce more damage and/or deaths from a “weaker” or lower category storm?

12. ## math

A man has a simple discount note for ​\$6,500​ at an ordinary bank discount rate of 8.61 %, for 50 days. What is the effective interest​ rate? Round to the nearest tenth of a percent

13. ## accounting

A man has a simple discount note for ​\$6 comma 500​, at an ordinary bank discount rate of 8.61 % comma for 50 days. What is the effective interest​ rate? Round to the nearest tenth of a percent

14. ## Science

Is there a scale other than VEI for volcanic eruptions? if so based on what variable?

15. ## Math

An isosceles triangle has a perimeter of 15 m. Find all the integral possibilities for the lengths of the sides in meters. Hint the sum of the lengths of any two sides of a triangle must exceed the third side.

16. ## math

an isosceles triangle has perimeter of 15m. Find all integral possibilities for the lengths of the side in meters. Hint: the sum of the lengths of any two sides of a triangle must exceed the third side.

17. ## math

How to rearrange an equation by using A=2pirh?

18. ## History

How does not doing mercantilism help benefit the ruling country? This is to help me on a essay I can’t find anything on how not doing mercantilism. Thank you

19. ## algebra

What is the probability of each event? a. rolling a sum of a prime number on one roll of two standard number cubes. b. rolling a sum of 5 or a sum of 3 on one roll of two standard number cubes.

20. ## biology

how are phospholipids similar to lipids such as triglycerides and how are they different?

21. ## biology

Can somebody please explain the difference between exothermic and endothermic reactions?

22. ## Language arts

1. reflect on the feedback you received from WriteToLearn about your autobiographical Narrative. (4 points) Which traits are strongest in your autobiographical narrative: ideas, organization, voice, word, choice, sentence fluency, or conversations? Provide

23. ## Chemistry

A person wanted to purchase products at a store (\$43.99) and wanted to use a coupon for 20% off. What would be the final total when the coupon is used on the item and the sales tax (11%) is added? Remember significant figures in your calculations.

24. ## Chemistry

I'm not sure if I'm doing the problem correctly and would appreciate if someone could take a look. Thank you. Question: For the following cell reaction at 25 degree C Ce^+3 | Ce ^+4 0.80M || Pb ^+2 | Pb^0 0.015M | A) Calculate E^0 for the cell. Anode

25. ## social studies

what is the definition of terrorist?

26. ## Science

Which of these correctly describes how a system can store potential energy on the microscopic level?” A. The particles must have position with regards to a reference point if the system stores potential energy B. The particles must be in motion if the

27. ## Science

Study the scenario. An object is at rest. At five seconds, someone comes over and pushes the object with a force of 3 N to the right. Which of the following choices describes the force needed to keep the object in static equilibrium? a. A force of 3 N to

28. ## Integrated Science B

A girl walks with a velocity of 1 m/s, and then increases her speed uniformly to 3 m/s in 4 s. What is the girl’s acceleration? A. 1.5 m/s2 B. 0.75 m/s C. 2 m/s2 D. 0.5 m/s2

29. ## English 10A

While it was yet dark a great strange cry rang out in the churchyard. A. Simple B. Compound-Complex C. Compound D. Complex I know 100% that it isn't simple. I think it is C though. Am I right?

30. ## Math/science

A small rock with a mass of 6g is dropped into a graduated cylinder with 20ml of water. The water rises to 23ml. What is the density of the rock?

31. ## World History

How did the impact of imperial powers on colonies have a drastic effect on the course of human history? I don't how to answer this? Any idea?

32. ## World History

Why did rogue states become more prominent following the Soviet Union’s collapse? I know what a rogue state is but I don't know why it is involved with the Soviet Union and their collapse. I also know that it has something to do with the Cold War. Can

33. ## Math

Jason’s age is 1/4 of his fathers age. 28years later, Jason’s age will be 3/5 of his fathers age. How old was Jason’s father when Jason was born?

34. ## Math

How do I find the remaining frequencies? I believe the entire frequency distribution is 2,6,12,12,6,2, for it is a normal distribution, but I am not sure if the middle values can be equivalent. Is this correct? Can someone please explain this to me? Assume

35. ## Statistics

How do I find the remaining frequencies? I believe the entire frequency distribution is 2,6,12,12,6,2, for it is a normal distribution, but I am not sure if the middle values can be equivalent. Is this correct? Can someone please explain this to me? Assume

36. ## science

An organism is capable of both sexual and asexual reproduction. How could this affect the variability of genes in the members of its species?

37. ## Math

In a Sing Thing, the first 4 singers sang Song 1, the next 4 sang Song 2, and so forth. Singer number 73 sang Song ? A. 18 B. 19 C. 20 D. 73 I got B, is that correct?

38. ## Summer

Hey why is everyone asking school questions in summer? go out and enjoy yourself. (please don't ban me)

39. ## English

Stopping by Woods on a Snowy Evening by Robert Frost Whose woods these are I think I know. His house is in the village, though; He will not see me stopping here To watch his woods fill up with snow. My little horse must think it queer To stop without a

40. ## arithmetic geometric

Determine whether each sequence is arithmetic geometric or neither if the sequence is arithmetic give the common difference if geometric give the common ratio 1. 6,18,54,162, 2. 4,10,16,22 3. 1,1,2,3,5,8 4. 625,125,25,5 5. 5,8,13,21,34

41. ## Physics

A stretched wire of 80cm vibrates with fundamental frequency of 256Hz.If length of wire is reduced to 15cm, the fundamental frequency now will be?

42. ## Math

A ship is travelling with a velocity (30i- 42j), and a trolley is being pushed relative to the ship with the velocity (-5i- 6j). A fly is crawling on the trolley with relative velocity ( -i- 1/2j - k). a) calculate the velocity and the speed of the

43. ## Chimstery

(white Powder) : 42.2% carbon, 6.4% Hydrogen, and 51.4% Oxygen Formula Mass = 342.2965 amu Molecular Formula: Empirical Formula: Identity?what does the drug do?

44. ## Math

Which measure correctly completes the statement? 538.826 L = ? mL A) 528,826 mL B) 5,388.26 mL*** C) 538.826 mL D) 53,882,600 mL *** = My answer

45. ## Math

Estimate the area of a circle with a radius of 16 meters use 22/7 for pi A) 62 square meters B) 531 square meters C) 805 square meters D) 1,608 square meters Can someone explain to me how to do this?

46. ## Math

Ms sue Can you put the link for how to find the volume of a rectangular prism? i dont know how to find it thanks

47. ## Math

How do I find the area of a triangle?

48. ## Math

How do I find the area of a trapezoid?

49. ## Chemistry

1. Outline a procedure to prepare an ammonia/ammonium buffer solution. I'm confused how to start it off.

50. ## Chemistry

28. Explain, in terms of equilibrium shifts, how this buffer mixture resists changes in pH when small quantities of both a strong acid and a strong base are added. The buffer mixture was made up of: monosodium phosphate(NaH2PO4) and disodium phosphate

51. ## Chemistry (PLZ HELP)

1. Outline a procedure to prepare an ammonia/ammonium buffer solution. I'm confused how to start it off. This is an outline of how the steps should be: Step One - Calculate the concentration of hydronium ions in the solution that requires buffering. You

52. ## Chemistry (PLZ HELP)

Hydrazine, N2H4(aq), is used in the preparation of polymers, pharmaceuticals and rocket fuel. Hydrazine has alkaline properties similar to ammonia and will act as a weak base. Given that a 100 mL sample of 0.10 mol/L hydrazine solution has a pH of 10.55 at

53. ## Chemistry

Hydrazine, N2H4(aq), is used in the preparation of polymers, pharmaceuticals and rocket fuel. Hydrazine has alkaline properties similar to ammonia and will act as a weak base. Given that a 100 mL sample of 0.10 mol/L hydrazine solution has a pH of 10.55 at

54. ## Math!!!

Which measure correctly completes the statement? 538.826 L = ? mL A) 528,826 mL B) 5,388.26 mL*** C) 538.826 mL D) 53,882,600 mL *** = My answer

55. ## Math

Can someone explain how to find the volume of a rectangular prism plz? thx!!!!!!

56. ## Math

A bag contains 6 red marbles, 3 white marbles, and 7 blue marbles. You pick a marble without looking. Find the probability of drawing a white marble. Can someone please explain how I would work this out?

57. ## Physics

Why are alpha and beta rays deflected in opposite directions in a magnetic field? Why are gamma rays not deflected at all? Why are alpha particles with the same velocity deflected less than beta particles?

58. ## Physics

A great physicist by the name of Richard Feynman said, "I think it is safe to say that no one understands quantum mechanics." What do you think he meant by this? Does this mean quantum mechanics is wrong? How can we know?

59. ## Physics

Suntan Sally put on her bathing suit and relaxed in a room that was pitch black. At the same time Tanline Timmy put on his bathing suit and relaxed in a room filled with bright light. A couple hours later Suntan Sally had a bad sunburn while Tanline Timmy

60. ## Health

How can tobacco affect the circulatory system? A. Decreases heart rate B. Raises blood pressure C. Softens the arteries D. Causes ulcers How can tobacco affect the body? A. Increases appetite B. Makes teeth whiter C. Slows heart beat D. Causes nausea How

61. ## Math

A stained glass window has an area of 900 square inches. A. Once a window design is made of rectangular pieces that are 5 inches by 3 inches. How many stained glass pieces are used in the window? B. Another window design is made of square stained glass

62. ## Math

It is a beautiful sunny day at the fair. The U.V. index for this day is 8 or higher so sunscreen is a must. The effectiveness of sunscreen is indicated by the sunscreen protection factor (SPF). The higher the SPF number the less U.V. rays can penetrate to

63. ## math

It is a beautiful sunny day at the fair. The U.V. index for this day is 8, or high, so sunscreen is a must for all the young folk. The effectiveness of sunscreen is indicated by the sunscreen protection factor (SPF). The higher the SPF number the fewer

64. ## math

The busy Mother pours herself a coffee into a paper cup before making her way to the amusement park. The coffee temperature is 35 C when the cup is placed on the kitchen counter. The Mother needs to tend to her son and her coffee is forgotten. When the

65. ## math

A plant grew 14 inches over 5 months. The plant grows the same amount each month. Use this rate to complete the table.

66. ## Calculus 1

Hi! Could someone help me with this problem. You have 8L feet of fence to make a rectangular vegetable garden alongside the wall of your house, where L is a positive constant. The wall of the house bounds one side of the vegetable garden. What is the

67. ## Chemistry

Can someone please help guide me through this question? Calculate the change in entropy of the surroundings . No work is done. You begin with 1 mol of CO. The reaction takes place at 298 K. 2CO + O2→ 2CO2 BDE (C≡O): 1072 kJ/mol; BDE (O=O): 495 kJ/mol;

68. ## AP Physics

Determine the change in rotational kinetic energy when the rotational velocity of the turntable of a stereo system increases from 0 to 33 rpm. Its rotational inertia is 6.2×10−3kg⋅

69. ## Algebra 1

Josh and Greg leave from the same place and travel the same route. Josh travels 2 hours and stops. Greg travels 5 hours at double Josh's rate. After five hours they are 256 miles apart. Find the rate and distance of each.

70. ## Algebra 1

Micah Beasley invested \$10,000 for one year, part at 10% annual interest and part at 14% annual interest. Vos total interest for the year was \$1,280. How much money did he invest at each rate?

71. ## Algebra

3p+3=2p+4.5 bar models I just need help understanding how to do it.

72. ## Physics

I did a lab report on gravitation. In the lab, we explored what the relationship is between the distance between two objects and their force of gravity. The independent variable was distance (m) while the dependent variable was force of gravity (N). When I

73. ## Math

A triangle has a perimeter of 48 feet the Exxon’s aid is 5 feet longer than the first side the third side is 3 feet longer than twice the fiat side

74. ## Language Arts

What is a similarity between a haiku poem and a concrete poem?

75. ## Math

When factor pairs begin repaying, I have found all the pairs for a number.

76. ## MATHS

How do i find the average of 9cm, 6cm,10cm and 11cm?

77. ## Maths

what is 0.012 as a fraction in its simplest form? and can you explain how you found the answer?

78. ## MATHS

If A =4 and B=3 Is AB .....12..?? Could you run through the steps to solve it please

79. ## Statistics

A certain player makes a successful first serve 80% of the time. Assume that everything is independent. The propbability that she gets at least 4 serves in is_____? and that she gets no more than 3 serves in is_____?

80. ## math

Explain why sqrt(a+b) does not equal sqrt a + sqrt b, for a>0 and b>0?

81. ## math

Vernon Wells hits a baseball that travels for 142m before it lands. The flight of the ball can be modeled by a quadratic function in which x is the horizontal distance the ball has traveled away from Vernon, and h(x) is the height of the ball at that

82. ## Ratios

A group of students surveyed chose baseball and soccer as their favorite sport in the ratio 3 to 8 if 56 students chose soccer as their favorite sport find the number of students that shows baseball is the favorite sport 132 students were surveyed

83. ## physics

An ice cube at its freezing point is placed in nested Styrafoam cups which contain 240 g of water at 21.5 °C. If the final equilibrium temperature when the last trace of ice melts is 25.0 °C, what was the mass of the ice cube?

84. ## physics

A 24.0 g metal cube at 85.5 °C is placed into a calorimeter containing 125 mL of water at 20.0 °C. The final equilibrium temperature of the metal cube and the water in the calorimeter is 24.8 °C. Determine the specific heat of the metal

85. ## physics

A liquid absorbs 45 kJ of heat, and its temperature increases from 305 K to 315 K. Determine the heat capacity of this liquid.

86. ## physics

An aluminum block absorbs 1.0 x 104 J of energy from the Sun when its temperature increases by 5.0 °C. What is the mass of the block? the specific heat capacity of aluminum is 920

87. ## math

Show that a function f(n)= 2n^3+n^2+6n+3 always produces a number that is divisible by an odd number greater than 1, for any natural number, n. 2n^3+n^2+6n+3 = n^2(2n+1) + 3(2n+1) = (2n+1)(n^2 + 3) what's next?

88. ## math

Show that a function f(n)= 2n^3+n^2+6n+3 always produces a number that is divisible by an odd number greater than 1, for any natural number, n.

89. ## Physics

At what temperature, in degrees Celsius, is the speed of sound in air 341 m/s?

90. ## Writing

Hello! I was on here the other day asking about how I should write up an analysis of a conversation with a four-year-old boy, and I was hoping I could have some help with the grammatical aspect of the paper? Would you mind if I post my analysis here and

91. ## Writing

Hello! I need some help on how to write my (1000-1500 word) analysis paper. My class is about language acquisition in children and I had to analyze a child's spontaneous conversation. I have analyzed it, but I'm unsure of how to write it up. Please help!

92. ## Physics

A flywheel has a constant angular acceleration of −0.84 rad/s^2. What is its angular velocity 15 s after its angular velocity is 5.0 rad/s?

93. ## algebra

what is LCM of 6ab^2 and 3a^2b

94. ## Algebra

Change to fractional notation in simplest form using limit or sum of an infinite series 4.234 (34 repeating)

95. ## Algebra

Find the general term in simplest form for the sequence 2,1,-4,7,-10,13,-16. There's an addition of 3 with alternating signs I think but I'm unable to find a general term.

96. ## Calculus

A rectangular storage container with an open top is to have a volume of 10 m3. The length of its base is twice the width. Material for the base costs \$9 per m2. Material for the sides costs \$150 per m2. Find the dimensions of the container which will

97. ## Calculus

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus, the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 20 ft, find the dimensions of the window so that the greatest possible

98. ## Calculus

Find the slope and y-intercept of the line through the point (6,2) that cuts off the least area from the first quadrant.