# Questions Asked onDecember 26, 2017

1. ## statistics

A box contains 10 items, of which 3 are defective and 7 are non-defective. Two items are randomly selected, one at a time, with replacement, and x is the number of defectives in the sample of two. Explain why x is a binomial random variable. & For the

2. ## Math

SinAsin2A+sin3Asin6A/sinAcos2A+sin3Acos6A

3. ## Earth's Dynamic Atmosphere

Which one of the following statements is true about the equinoxes? A. They occur in June and December. B. Days and nights are equal in length everywhere. C. The length of daylight at the Arctic and Antarctic Circles is 24 hours. D. The Sun's vertical rays

4. ## geometry

pqrs is a parallelogram. pr and sq are its diagonals prove area triangle sor =area triangle pqo

5. ## Earth's Dynamic Atmosphere

Variations in air pressure are shown as _______ on surface weather maps. A. geostrophic B. barograph C. topographical D. isobars my naswer is d.

6. ## Earth's Dynamic Atmosphere

The Sun heats the Earth. The Earth then reradiates this heat energy back into space. However, the amount of _______ in the air plays a key role in absorbing much of this exiting heat and warming Earth's atmosphere. A. carbon dioxide B. nitrogen C. oxygen

7. ## Maths

If the sum of circumferences of two circles wirh radii r1 & r2 is equal to the circumference of a circle of radius r, then what is true 1 r1+ r2 = r or sum of their squares= r2

8. ## Earth's Dynamic Atmosphere

Because scientists were so puzzled by the phenomenon of energy through the vacuum of space, what did they call the material they assumed existed between the Earth and the Sun? A. Ether B. Sciosphere C. Plasma D. Albedo my answer is a.

9. ## Earth's Dynamic Atmosphere

In global circulation, _______ move toward the equator and are deflected by the Coriolis effect. A. westerlies B. trade winds C. polar easterlies D. subtropic winds my answer is b.

10. ## Earth's Dynamic Atmosphere

The only substance that exists in the atmosphere as a solid, liquid, and gas is A. glucose. B. water. C. oxygen. D. nitrogen. My answer is b.

11. ## Earth's Dynamic Atmosphere

What process of air lifting can cause deserts to form? A. Frontal wedging B. Localized convective C. Convergence D. Orographic my naswer is d.

12. ## CALCULUS

For the function f(x)=e^(x^(1/2)) , determine the error between the actual function value and the 3rd degree Taylor Polynomial (centered at a = 4) , at x = 4.1 a) 7.57 x 10^-8 b) 1.46 x 10^-8 c) 1.46 x 10^-7 d) 1.46 x 10^-9 e) 7.57 x 10^0

13. ## math

Manas has five piece of string, each 1m 20cm.long.he joins the five Strings. Is the length of the joined pieces less than,equal to or greater than 5?

14. ## Maths

John bought hundred eggs for Rs.40 out of these four eggs were found to be broken and he sold the remaining eggs at the rate of Rs.7.50 per dozen.find his gain or loss percent

15. ## Earth's Dynamic Atmosphere

Earth's weather and climate are directly associated with the amount and angle of incoming solar radiation. In particular, the angle of incoming solar radiation is constantly changing due to Earth's wobbling, or tilting, on its axis. This is called Earth's

16. ## communication

I need help for coming up with an idea of a new product or service in an existing company or brand.

17. ## algebra

the width of a rectangle is 6 1/2 inches the length of the rectangle is 2wice its width. what is the perimeter of the rectangle?

18. ## aneconomicsalytic metheds of

find the max and min distance from the origin to the ellipse x^2+xy+y^2=3

Soi had to find out what inventory valuation method Cineplex uses for an assignment, but I searched their annual reports continuously and I cannot find an answer, does anyone know?

20. ## Calculus

I'm trying to find the integral from -1 to 0 of 1/x^(1/3). Calculators show the answer to be -3/2, but I keep ending up with 0 - (3(-1)^(2/3))/2, which seems to be an irrational number. What am I missing here?

21. ## Earth's Dynamic Atmosphere

What is the mainstream unit of measuring air pressure? A. Inches of mercury B. PSI C. Pounds per square foot D. Centimeters of mercury my answer is a.

22. ## Chemistry

A 2.55-g piece of stainless steel absorbs 131J of heat when its temperature increases by 152°C. What is the specific heat of the stainless steel? How do I do this???

23. ## Language Arts

Choose the term that describes the type of sentence shown. The senior class took a trip to Washington, D.C. and Annapolis for their research project. A Compound** B Simple C Complex D Compound-Complex If not A, I was thinking D.

25. ## English

Is 'inability' the same as 'disability'? According to the dictionary, they seem to be a little different in use. What about that?

26. ## English

1. I'm not going to give up on love. 2. I'm not going to give up love. [Are both the same in meaning? Is there any meaningful differences between them?] 3. I want to get over my limitations. 4. I want to get over my limits. [Can we use both 'limitations'

27. ## English

1. I made up my mind to stop playing computer games. 2. I made a decision to stop playing computer games. 3. I made decisions to stop playing computer games. 4. I made a determination to stop playing computer games. 5. I made determinations to stop playing