# Questions Asked onJuly 15, 2019

1. ## probability

Let X be a non-negative random variable. Find the PDF of the random variable Y=lnX for each of the following cases: For general fX, fY(y)= Correct answer: fX(e^y)*e^y 2. When fX(x) = {1/4, if 2

2. ## English

which of the following options is correctly punctuated? A. the runaway truck which had been parked on a steep hill swerved, and teetered before jumping a curb and slamming into a tree. B. The runaway truck which had been parked on a steep hill swerved and

3. ## Accounting

Given the following information, calculate, in order, the amount credited and the outstanding balance. Invoice: \$1,000 Terms: 3/10, n/30 Invoice date: May 5 Payment amount: \$800 Date paid: May 9

4. ## math

Alice has two coins. The probability of Heads for the first coin is 1/4, and the probability of Heads for the second is 3/4. Other than this difference, the coins are indistinguishable. Alice chooses one of the coins at random and sends it to Bob. The

5. ## math

Jennifer went to the post office for stamps. She bought the same number of 8 cents stamps and 10 cents stamps. She also bought as many 2 cents stamps as both of the other two combined. How many of each kind did she get if she paid a total of \$4.40 for them

6. ## history

Which best describes Christianity’s influence on the feudal system in Europe?

7. ## Science

How does the structure of a cell support its function?

8. ## Physics

1.find the derivative of Y =3n²-2 2.find the derivative of Y =sinx

9. ## Calculus and Vectors

Show a graphical method of approximating the instantaneous rate of change at x = 3 for the function ƒ(x) = -x2 + 4x + 1 using secants. Show two graphical approximations. I had the same question but instructed to find it using a numerical method. No

10. ## Careers

What job do you qualify if you do these subjects maths lit,geography,history,life science

11. ## Physics

1.express 3√3 in its basic form 2.A coin is thrown only once what is the probability of obtaining a head?

12. ## Math

Royce is taking violin lessons. The instructor charges an initial fee an hourly fee. The amount Royce pays based on the length of his lesson is shown in the graph below. What is the instructors hourly fee?

13. ## History

Nineteenth century Europe saw the emergence of several powerful ideologies — socialism, nationalism, liberalism, conservatism — that would radically change the nature of politics and society. Using any two of these, write an essay comparing how these

14. ## maths

3sinx-2cosx=o; find G s

15. ## Physics- Motion of a Rocket

If is given that B= Rate of burn of fuel mass So can we right B=dm/dt or -dm/dt, which of these is accurate?

16. ## Child care and family

What best characterizes the term stroke pie? A. It should feature a single individual as the sole support of another. B. It has to do only with financial support, not emotional support. C. It's a favorite American dessert. D. It's a way of assessing how

17. ## history

to what extent did stresemen's rule delay the ascendants of hitler rise to power

18. ## Science

A boy on a bicycle drags a wagon full of newspapers at 2m using 80N force. How much work has the boy done?

19. ## economics

Suppose a particular population has two kinds of health risks, high and low. Let the expected annual health care costs for the high risk be \$5,000, and for the low risk, half that. If there are twice as many low risk as high risk individuals, and if the

20. ## Child care and family

Welfare in the form of Aid to Families with Dependent Children (AFDC) became Temporary _______ for Needy Families (TANF) in 1996. A. Admission B. Attachment C. Assistance D. Acceptance My answer is C.

21. ## Child care and family

Often, child care regulations in the United States provide only A. the minimum standards necessary. B. guidelines for special needs children. C. roadblocks. D. suggestions for continuity. My answer is A.

22. ## Physics

1.find the derivative of y=3n³-2 2.find the value of n,given that n 1,2n,2n 3 are consecutive terms of a linear sequence?

23. ## history

to what extent have zimbabweans benefited from the government policy of indigenization and black empowerment

24. ## Chemistry

How many grams of NO2 can be formed from the reaction between 28 grams of nitrogen and 64 gram of oxygen? N2+2O2⟶ 2NO2

25. ## Natural Sciences

The Moon's gravity is one sixth that of the Earth's gravity.If you can jump 1.5m on the Earth's surface , how high would you jump on the Moon's surface?

26. ## Life orientation

Four things to promote humane farming practices.

27. ## Counseling

What coarses must i choose in collage

28. ## math

From a ship two lighthouse bears N40°E .after the ship traveled 15.0 miles, on a course of 135° they bear 10° and 345° respectively. Find the distance between them and the distance from the ship in the latter to the more distant lighthouse..

29. ## math

which number has a greater absolute value -6 or 2

30. ## Child care, and family

_______ is often a roadblock between parents and childcare workers. A. Language B. Continuity C. Competition D. Codependence My answer is C.

31. ## Science

A train with a mass of 120Mg accelerates uniformly on a horizontal track. the resistance to movement is 5N per KN of the mass of the train. the force in the draw bar of the locomotive is 80KN. Calculate the following 1. the force required for the constant

32. ## science

A weightlifter lifts a weight of 500N from the ground over her head, a distance of 1.8m. How much work has been done to move the weight?