An instructor was conducting a study to see the effect of sleep  on problems answered correctly.                    Amont of Sleep  Correct Answers                                                                                                                                                                                                                                                                           X                               Y                               9                               10                               8                               8                               7                               6                               6                               4                               5                               2 ∑ X = ∑X² = ∑ Y = ∑Y² = (∑ X) ² = (∑ Y) ² = ∑ XY = Numerator = Denominator after taking the Square root  =  r xy =

Q: ello what do you mean by is requiered equation of QR

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Q: How did u get v(x)=14.4? My calculator say its -361.4625?

A: The variance is never negative and it cannot be -361.4625. From previous parts the marginal…

Q: 10- There is a rectangular playing field in Alaska Denali Park for a grizzly Bear with an area of…

A: NOTE: Refresh your page if you can't see any equations. .

Q: 10 Describe a first step in integrating dx. x² -4x-9

A: This problem is related to the integration. By looking into this problem we can see first of all we…

Q: ?= 2/3?(3?−5)^4 Find?′

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Q: What is the value of x in the equation O x = = 2/²/² O x = 3²/ = 4¹/ O O x x = 6¹ -1/2 = 3 1/2 C

A: Please see the below picture for detailed solution.

Q: •2valuate Cach expression for P -4,2=8Y and 10

A: The given values of the variables are,

Q: (1/2)t -(1/5)v = 7/2 (2/3)t + (1/4)v = 7/12 Could you please solve the above sysytem? Thanks

A: Consider the provided equations, 12t-15v=72...... (1)23t+14v=712 ...... (2) Solve the above…

Q: Find the value of the following - 2/2 /2V...

A: Consider the provided expression, 222222......∞ Find the value of the provided expression. First we…

Q: 19. What is the equivalent value of *Vx+ Tdx 20. In evaluating (&+ Idx x dx which one is to be used?…

A: The solution for the above question is as shown below.

Q: 4 dx 2 + x3 1

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Q: Solve for x. х-2 х+7 2х- 1 O A. А. -5 ОВ. 5 O C. С. -2 6 D. 8

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Q: Exponents Simplify each expression, and eliminate any negative exponents. 29. (a) x.x* (b) (2y²) (c)…

A: We have to simplify the expressiona x3x4  = x3+4   =x7         since am.an=am+n

Q: (b) Simplify the following equation using positive indices only 8(3x+2)27(2x+0.5) 18 * 81(x)32(x+1)

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Q: Explain why the following equation has one and only one real solution. Make sure you state why you…

A: Since f(x)=x7+x3+x-1 is a polynomial thus it is continuous over all the real number ,(-∞,∞). since…

Q: (4) square root of 3/4

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Q: Let u=lnx and v=lny. Write the given expression in terms of u and v: ln times the square root of x…

A: you can clearly understand if you follow the below solution

Q: A = 1 1 0 0 1 -1

A: Note the following fact :

Q: What does 0/0 mean? And what does x/0 (where x is a real number) mean

A: ## we want to find what does 0/0 and x/0 means where x refers a real number.

Q: If x² + = 1, find an expression for dx

A: Since you have submitted two questions, we'll answer the first question. For the second question…

Q: 1/3 of × = 18. Identify the ×.

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Q: 8(7x – 5)7 dx

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Q: Solve for x: 2log,5(x)+4=3. Round your answer to 3 decimal places.

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Q: (1/64)3n x 8 =26

A: Formula:

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A: As per our guidelines we are supposed to solve 3 sub parts , kindly repost the remaining part as…

Q: How would you go from x squared = 6/5 to x=square root of 30/5

A: given x2=65

Q: so, CfOr) = ?

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Q: - 209 + कर х Find a 18.6 25.0 0= - X 48800x²

A: The given equation is  -209x2+9.8148600x2-0.57x=0

Q: A ball is dropped from a height of 15 feet and bounces. Suppose that each bounce is 5/8 of the…

A: A ball drop from a height of 15 feet and each bounce is 5/8 of the height of the bounce before.To…

Q: xdx = 0 -00

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Q: How do you find the value of zc?

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Q: * lif z= 4i / (-3-4i) , find |z

A: