# Questions Asked onFebruary 17, 2020

1. ## physics

a fly wheel turns at 480rpm ,compute the angular speed at any point on the wheel and the tangential speed 30.0cm from the centre .

2. ## Microeconomics

A third consumer, Larry has preferences U C ( X 1 , X 2 )= ( X 1 +2) 2 ⋅( X 2 +3) and the same income as Jamal and Korra. Find his optimal consumption bundle.

3. ## math

T(d) is a function that relates the number of tickets sold for a movie to the number of days since the movie was released. The average rate of change in T(d) for the interval d = 4 and d = 10 is 0. Which statement must be true?

4. ## math

Alli's ice cream shop offers 5 flavors and 10 toppings. Jali's ice cream shop offers 7 flavors and 7 toppings. Fernando's ice cream shop offers 9 flavors and 6 toppings. Laura's ice cream shop offers 13 flavors. If you want one flavor of ice cream and one

5. ## precalculus

what is the domain and range of log(tanx)? thanks! :)

6. ## accounting

Record the following transactions as general journal entries. Use the gross-price method. Aug. 6 Purchased \$830 of merchandise on account from Johnston Co. Credit terms 2/10, n/30. 8 Bought an \$18,000 truck from Pillner Co., paying \$3,000 down; balance on

7. ## algebra

which function has an amplitude of 2 and a period of p? a. f(x)=1/2cos2x b. f(x)=2cospx c. f(x)=1/2cospx d. f(x)=2cos2x

8. ## math

A total of \$7000 is invested: part at 6% and the remainder at 10% How much is invested at each rate if the annual interest is \$680?

9. ## math

If 10 waves pass in 2 seconds what is the frequency

10. ## Maths

The diameters of bolts produced by a particular machine follow a normal distribution with mean 1.34cm and standard deviation 0.04cm.A bolt is rejected if its diameter is less than 1.24 or more than 1.40cm.i.Find the percentage of bolts which are accepted.

11. ## History

What connection does the author draw between Wilma's childhood illnesses and her later drive in sports?

12. ## math

Find the length of the segment ¯¯¯¯¯¯¯¯ M N with endpoint M at ( 2 , − 3 ) and endpoint N at (8, 5). Round your answer to the nearest tenth, if necessary.

13. ## probability

The probability that is Friday and that a student is absent is 0.3. Since there are 5 school days in a week, the probability that is friday is 0.2. What is the probability that a student is absent given that today is friday?

14. ## Maths

A farmer cuts hazel twigs to make into beam poles to sell at the market.He says that the sticks are each 240cm long but in fact the lengths of the stick are normally distrinuted such that 55% of the sticks are longer than 240cm and 10% are longer than

15. ## math

find x if x-3, 3x+5 and 18x-5 are three consecutive term of a geometric progression

16. ## Math

A train leaves the station at time xequals 0. Traveling at a constant​ speed, the train travels 328 km in 3.4 h. Round to the nearest 10 km and the nearest whole hour. Then represent the​ distance, y, the train travels in x hours using a​ table,

17. ## science

Why does the first method for determining volume work only for a regularly shaped object? Will the second method for determining volume work for any object or just an irregularly shaped one? Why? Is one method of measurement more accurate than the other?

18. ## Math

I don't understand what this question is implying. . The number of cells increased 160 percent. If the original number was 800, what was the final number?

19. ## algebra

A truck costs \$60,000. It depreciates in value \$6,000 per year. Write a linear model in the form v(t)=mt+b, where v(t) represents the current value of the truck after t years of ownership

20. ## math

The probability that James will win two races in the next two days is 1/8 for tomorrow and 1/10 for the day after tomorrow. What is P(win tomorrow, then win the day after tomorrow)?

21. ## math

Suppose 20% of babies are born early, 50% are born on time, and 30% are born late. A nurse uses a random-number table to find the experimental probability that of 5 births , at least 1 baby will be born early. The digits 0 and 1 represents babies born

22. ## Precalculus

How do you use the half angle formulas to determine the exact values of sine, cosine, and tangent of the angle 157 ∘ 30 ' ?

23. ## math

Find the first four terms of the sequence whose general term is given by:(a)5n+(1÷2)n_2,(b)2n+1÷3n+2

24. ## English

what is the subject complement in the following sentence? Rachel is a graduate

25. ## Math

The fifth term of an exponential sequence is greater than the fourth term by 13.5 and the fourth term is greater than the third term by 9. Find the 1. Common ratio 2. First term

26. ## education

Most time spent participating in activities in an early childhood classroom that uses DAP are of which type? a. direct instruction b. discussion c. explorations d. relatively equal amounts of time are devoted to each type of activity

27. ## Statistics

A pizza store owner noticed that a random count (Y) of pizzas ordered by students who reside on campus has distribution shown below Y 1 Probability 0.15 Y 2 Prob 0.40 Y 3 Prob 0.25 Y 4 Prob 0.20 1. Find expected number of pizza order E[Y] 2. Determine

28. ## Math

By dividing the number of houses in Antonios subdivision by four and adding 15 you can find the number of houses in hectors subdivision if Hector has 47 houses in his subdivision how many houses are in Antonios subdivision

29. ## science

How does N in NF3 obey octet rule

30. ## Maths

Let s(N) denote the sum of the digits of N. Find the sum of all two-digit numbers N for which s(N^2)=s(N)^2.

31. ## statistics

A production process produces an item, On average, 13% of all items produced are defective. Each item is inspected before being shipped, and the inspector misclassifies an item 12% of the time. What proportion of the items will be "classified as good"? I

32. ## Math

4xsquare-9ysquare=19, 2x+3y=1

33. ## Bible

The revelation was written around A.D.: 83 90 75 64

34. ## social study

Name and identify six physical features in your county

35. ## math

40 is the LCM of which two numbers? 20 and 60 40 and 80 10 and 40 5 and 20 8 is the GCF of what two numbers? 24 and 48 14 and 32 16 and 28 16 and 56

36. ## Physics

A 0.02 kg bullet has a speed of 500 m/sec. What is its kinetic energy

37. ## Maths

There were 336 people at a concert. If 2thirds were children, how many chairs are needed for the adults?

38. ## Maths

In a normal distribution, 4% of the distribution is less than 53 and 97% of the distribution is less than 65.i.Find the mean and standard deviation of the distribution. ii.Find the interquartile range of the distribution.

39. ## algebra

1. Name a pair of vertical angles. ∠2 and ∠5 ∠2 and ∠6 ∠3 and ∠4 ∠5 and ∠6 A? 2. If m ∠=37, what is m∠4? 53 43 37 27 C?

40. ## math

x-2/x+3 + 10x/x^2-9 I got x+2/x-3 But I need to know if there are any restrictions on the variables. I think the answer is if the denominator is equal to zero.

41. ## Science

Do you think tomato and turnip seeds would need the same amount of light as the bean seeds? Explain Can you help me with this question? Any links. Thank you!

42. ## history

In Mexico and most of Central America, most wealth is A. concentrated within the upper class. B. spread out evenly among all the people. C. divided between the middle class and the upper class. D. given to help the poorer class.

43. ## History

Please help, thanks! From the sentence, "The South demanded that the people of the states involved settle the question," What was the position of the majority of the slave owners? A. They demanded that slavery be made legal of the united states, or they

44. ## Math

(7* {10 to the power of -14}) (2*{10 to the power of 4}) Please help! I think it's 14*{10 to the power of -56), but I'm not that sure.

45. ## Physics

A glass bottle full of mercury has mass 500 g On being heated through 35 C, 2.43 g of mercury are expelled. Calculaté the mass of mercury remaining in the bottle (cubic expansivity of mergury is 1.8 x 104 per K. linear expansivity of glass is 8.0 x 10-6

46. ## geography

what is the difference in longitude b/w town a and town b whose local time are 8:00am and 3:00pm

47. ## Technology

Uses of ICT in timing and control

48. ## English

what is the total number of verb types?

49. ## Maths

If the sum of the first n terms of the series 4+7+10+... is 209, find n

50. ## Statistics

Tom and Jerry play one game per day. It is known that Tom's winning chance is P[W]=0.6 and if he does not win then he loses. Game results are assumed to be independent. AFter 4 days, variable T indicates a total number of games won by Tom. So J=4-T is the

51. ## Finance

You invested \$2,000 in the stock market one year ago. Today, the investment is valued at \$1,620. What return would you need to get next year to break even overall?

52. ## math

A pyramid has a height of 5 in. and a surface area of 90 in Find the surface area of a similar pyramid with a height of 10 in. Round to the nearest tenth, if necessary.

53. ## physics

On a summer day, when the temperature outside is 30.0 °C, I hear a 7.50×10^2 Hz bell from the clock tower at URI, which I know is 2300. m away from my house. a) Calculate the speed of sound in air on this day. b) Calculate the wavelength of the sound. c)

54. ## physics

In lab you learned to calculate the depth of water based on the time it takes for a sound wave to travel to the ocean floor and back, assuming that sound travels at a speed of 1500 m/s in the ocean. If I conducted the same test above the Mariana Trench,

55. ## physics

Consider what happens if I drive toward the clock tower on a day when the speed of sound is 345 m/s . Assume I approach the stationary clock tower at a speed of 15.0 m/s when it rings the 7.50 × 10^2 Hz bell. Calculate what frequency I will hear. 5) Now

56. ## Algebra

How many pounds of \$1.60 tea must be added to tea costing \$1.80 per pound to make a new mixture of 100 pounds costing \$1.75 per pound?

57. ## English

grammatical name of spontaneous

58. ## Math

How many triplets of positive integers (a,b,c) satisfy a^6+b^6+c^6=140000004.

59. ## Math

Find the smallest n>0 for which moving its terminal digit to the front results in 3n.

60. ## Math

Determine r when he is 15cm, s= 215cm ^ and π=3(1/7) in algebraic process

61. ## Math

-4x-2y=-12 4x+8y=-24 Solve by elimination And i need a solution

62. ## Civics

Which of the following are powers that the U.S. government holds because these powers have generally been held by national governments A) enumerated powers B) implied powers C) inherent powers** D) prohibited powers

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63. ## chemistry

how to balance equations

64. ## math

A relation contains the points (-5, -10), (-2,-4), (-1,-2), (4,8) and (5, 10). Is this a function?

65. ## calculus

integrate (x^2-x+12)/(x^3+2x)dx

66. ## math

Which value correctly completes the statement? 6,501.5 km= _____m

67. ## Careers

Which career that can I choose Maths Literacy, acconting, business, economic

y=10(1.5)x

69. ## Math

I'm trying to the mode for this set of data: 34, 20, 27, 23, 24, 27, 32, 34. Both 34 and 27 repeat twice, so which one would be the mode? Would I have to take more steps to find it in this case, or would they both be the mode?

70. ## Maths

A machine is used to fill cans of soup with nominal volume of 0.5 litres.The quantity of soup actually delivered is normally distributed with mean m litres and standard deviation s litres.It is required that no more than 1% of cans should contain less than

71. ## science

why is the earth's temperature not just right anymore?

72. ## science

what does the light represent?

73. ## civics

Describe a situation in which a state governor might ask for federal troops to be sent his or her state. How would this situation be an example of responsibilities that the federal government owes to the state its an essay i have to write and i need help

74. ## Poetry

I don't know what title to use for this poem. I was thinking something to do with silence or being misunderstood. Also, is there anything I should change? (This is my rough draft of my free-verse poem.) I know, a lot of poems lately, sorry! Will they hear