# Questions Asked onJune 22, 2017

1. ## English

Noah Webster supported himself through sales of his spelling book over 100 million copies of the book were sold. This has to be a dangler right? Please tell me I'm right.

2. ## math

Urn A contains four white balls and seven black balls. Urn B contains six white balls and three black balls. A ball is drawn from Urn A and then transferred to Urn B. A ball is then drawn from Urn B. What is the probability that the transferred ball was

3. ## Math

A rectangular prism is being designed to have a volume of 36 cubic units. Find the minimum surface area in square units for the prism if the edge lengths are positive integers.

4. ## math

Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first card is a spade given that the second card is a diamond? (Round your answer to three decimal places.)

5. ## Precal 12

What is the value of k in the function f(x) = (2-k)/(5x+k) if its graph passes through the point (3, -2/19) A. -19/2 B. 4 C. -10 D. No such k exists I think its D, but I am not sure. Please help quickly.

6. ## Calculus

What is the best substitution to make to evaluate the integral of the quotient of cosine of 2 times x and the square root of the quantity 5 minus 2 times the sine of 2 times x, dx? u = sin(2x) u = cos(2x) u = 2x u = 5 − 2sin(2x)

7. ## Phy

A non conducting sphere of radius r charged uniformly with surface charge density sigma rotates with angular velocity omega about the axis passing through its centre. Find the magnetic induction at the centre of sphere.

8. ## math

Cand D are two observation posts on the same horizontal ground at the foot A of a vertical tower AB.the tower is 18m due north of D and 24m east of C.the angle of elevation of B from D is 35¡ã.calculate to three s.f the height AB,distance CD,angle of

9. ## Math

If a1, a2 ,a3 ........an are in Ap such that a5 +a7=16,then find a6.

10. ## Psychology

What are some of the newly published Psychological tests, mostly used for assessment?

11. ## Physics

A hot-air balloon ascends at the rate of 12m/s when it is 80m above the ground at which time a package is dropped over the side . (a) how long would the package take to reach the ground ? (b) with what speed would it hit the ground?

12. ## Science (physics)

A powerful motorcycle can accelerate from rest to 28 metre per second in only 4 seconds what is the average acceleration? How far does it travel in that time

13. ## English

Is this a fragment or a run-on? Since I no longer maintain an office downtown for working on this kind of project.

14. ## math

In a survey to determine the opinions of Americans on health insurers, 400 baby boomers and 600 pre-boomers were asked this question: Do you believe that insurers are very responsible for high health costs? Of the baby boomers, 232 answered in the

15. ## Physics

Find the refractive index of a transparent medium in which light travels with a speed of 1.8×10^8m/s.Given that speed of light in vaccum is 3×10^8m/s?

16. ## Math

Arrange rational numbers in ascending order - 2/4,2/3,8/21

17. ## physic

c. A 2 kg block of ice has been stored in a chiller at a constant 0°C. In order to carry out an investigation, the block of ice needs to be turned into water at a temperature of 75°C. Calculate how much heat energy is required to change the block of ice

18. ## forensic science

Select the correct order of the GC components Column, Recorder, Carrier Gas, Flow Controller, Detector Recorder, Carrier Gas, Column, Detector, Injector port Injector port, Carrier Gas, Detector, Recorder Carrier Gas, Column Oven, Flow Controller, Detector

19. ## math

the seat of real number is the union of the set of irrational number true or false?

20. ## math

zeros are real number? true or false

21. ## civics

what is constitution? in hindi

22. ## Trigonometry

sinα/1+ cosα is equals to.....

23. ## Math

Write the equation of a parabola, in standard form, that goes through these points: (0, 3) (1, 4) (-1, -6) ax^2 + bx + c = y a * 0^2+b*0+c = 3 a*1^2+b+1+c = 4 a*(-1)^2+b(-1)+c = -6 c = 3 a + b + c = 4 a – b + c = -6 a + b + 3 = 4 a – b + 3 = -6 Graph

24. ## physics

A beam of 8.3 Mev alpha particles is directed at an aluminum foil. it is found that the Rutherford scattering formula cease to be obeyed at scattering angles exceedin about 60 .if alpha particle is assumed to have a radius 2*10^-15m. find the radius of the

25. ## Pre-Calculus 12

how to solve 3^(x-2) = 5^x

26. ## economics

Method's of government involvement in an economy

27. ## Physics 2

How many grams of steam at 100C must be mixed with 200g of water at 20C in order for the equilibrium temperature to be 50C?

28. ## Physics 2

What quantity of heat is needed to convert 1kg of ice at -10C to liquid at 20C?

29. ## Thermodynamic

You evaluate a number of different temperature measuring devices in your laboratory classes. a. Explain how at least three operated and justify why you would choose those devices for the scenario below. â€˜A local company requires measuring devices to

30. ## math

Anton use a square cardbaord to make an open box.He cut small squares of the same dimension from the corners of the card board then bent the side upward.The length of the sides of the cardboard is 28 cm. A. What expression represents the length of sides of

31. ## physics

an object of mass 2 kg attached to wire length 5 cm is revolved in a horizontal circle if it makes 60rpm find angular speed

32. ## english II

How is the -ing form used in the following sentence? To get in shape for that marathon, Shelby started running around the block a few times each morning. participial phrase as an adjective participial phrase as a noun participle as an adjective participle

33. ## science

Which of the following is created when the ice of a comet starts to melt into gases?

34. ## Math

If y=1+X+X^2+X^3........|x|

35. ## math

dependent or independent taking a quarter out of a bag and then taking another quarter out of the bag without replacing the first quarter

36. ## maths

An aircraft travels at 250km/h in still air. If a wind of 50km/h blows steadily from the southwest and the pilot wishes to fly due north, find the course he must set and the ground speed of the aircraft. On the return journey the wind speed and direction

37. ## Chemistry

Element x has the highest first electron affinity in its period, the ground state electron configuration of its common is: [Kr] 5s2 4d10 5p6 Element Y is the second largest element in its period; its valence electron are in orbital(s) that have n= 6. What

38. ## creative expression and play

Active play experiences increase children’s awareness of what materials can do and what children can do with materials, while at the same time increasing their skills of: A. sequencing and ordering. B. creating and designing. C. observation and

39. ## creative play

Which theorist believed children individually create their own knowledge about the world through different types of play? A. Piaget B. Erikson C. Freud D. Vygotsky I think its piaget... A?

40. ## math

leo has x plums ,melissa has 8 more plums that leo how many plums do melissa

41. ## Chemistry

The photoelectric effect is a concern in space, where parts of a spacecraft exposed to the sunlight will develop a net positive charge, which can interfere with or damage sensitive cir The panels that cover the exterior of the Space Shuttle are composed of