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How can i find the Lewis Representation of NO3 minus in the XYLD form


Create a Python script which will accept two positive integers where the first



number would be the start of a range and the second number would be the end of a



range. Then the application will determine the sum of all EVEN numbers and sum of all



ODD numbers from the given range.




Sample Output:



Start of a Range: 5



End of a Range: 10



Sum of Even nos. is 24



Sum of Odd nos. is 21

Smart Toys, currently has no debt, expects an EBIT of $45,000 every year forever. Its cost of equity is 16 percent. The corporate tax rate is 30 percent. The company can borrow at 8 percent.

a.​What is the current value of the company? 

b.​What will the value of the firm be if the company takes on debt equal to 20 percent of its unlevered value? What if it takes on debt equal to 60 percent of its unlevered value? 

c. ​What will the value of the firm be if the company takes on debt equal to 55 percent of its levered value? What if the company takes on debt equal to 40 percent of its levered value?  


 The function accepts two positive integers ‘r’ and ‘unit’ and a positive integer array ‘arr’ of size ‘n’ as its argument ‘r’ represents the number of rats present in an area, ‘unit’ is the amount of food each rat consumes and each ith element of array ‘arr’ represents the amount of food present in ‘i+1’ house number, where 0 <= i


Note:


Return -1 if the array is null

Return 0 if the total amount of food from all houses is not sufficient for all the rats.

Computed values lie within the integer range.

Example:


Input:


r: 7

unit: 2

n: 8

arr: 2 8 3 5 7 4 1 2

Output:


4


Explanation:


Total amount of food required for all rats = r * unit

= 7 * 2 = 14.


The amount of food in the 1st 4 houses = 2+8+3+5 = 18. Since, amount of food in 1st 4 houses is sufficient for all the rats. Thus, output is 4.


1.Consider the electric flux Φ E=E⋅A of a uniform electric field (whose magnitude is E

) that makes an angle θ with the unit vector n that is normal to a rectangular surface whose area is A. Then the electric flux ΦE can be shown to be equal to:

a. 0

b. EA

c. EA n

d. EA cos θ


2.The flux ϕE=28N⋅m^2/C through the open surface A=6i+10j+5k is given. Find the value of a if the electric field is E=−ai +8k Value of "a"




z1=3.45∠980°

z2=-5+9i

  1. z1+z2 final answer in polar form
  2. z1-z2 final answer in trigonometric form
  3. z2*z1 final answer in exponential form
  4. z1/z2 final answer in rectangular form

Gauss's law combines the electric field over a surface with the area of the surface. From Coulomb's law we know that the electric field falls off as  1/r^2 of the distance r from the charge. How does the surface area change with r?

a.1/r

b.1/r^2

c.r^2

d.ln r



Indicate whether the members of each of the following pairs of monosaccharides have the same molecular



formula.



______________ a. D-Glucose and D-galactose



______________ b. D-Glucose and D-fructose



______________ c. D-Glyceraldehyde and dihydroxyacetone



______________ d. D-Ribose and 2-deoxy-D-ribose

Indicate at what carbon atom(s) the structures of each of the following pairs of monosaccharides differ.


______________ a. D-Glucose and D-galactose


______________ b. D-Glucose and D-fructose


______________ c. D-Glyceraldehyde and dihydroxyacetone


______________ d. D-Ribose and 2-deoxy-D-ribose

z1=3.45∠980°

z2=5+9i


  1. z1+z2 in polar form
  2. z1-z2 trigonometric form
  3. z2*z1 exponential form
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