1. Identify the necessary condition in each of the following pairs: It has four sides. Seeing viruses. It is a rational number. It is a mammal. It is a square. Having a microscope. It is a real number. It is a marsupial. а. b. с. d.

Q: 1. Draw a square. 2. Divide each of the square's straight lines into fourths. In a clockwise order:…

A: Explanation: Draw a square ABCD of all four sides equal and angle between the adjacent sides as 900.…

Q: 8. What is S10 for 1 +2+4+ 8+ ... ? а. 256.5 b. 511 с. 1023 d. 2047

A: Given series is 1 + 2 + 4 + 8 + ...

Q: Assessment: Directions: Answer the following applying the formula for the permutation and…

A: we know tha C(n,r)= n!/(r!(n-r)!) and P(n,r)=n!/(n-r)! see 2nd ,3rd and 4th step.

Q: 9. Simplify the powers of i. a. -101 b. ¡4

A:

Q: Write out a careful proof of the fact that the square of an odd number is odd.

A:

Q: 4) You want to know if an octopus (octopi are very intelligent!) can tell the difference between…

A: To determine whether the octopus can tell the difference between circles and rectangles based on the…

Q: 2. For a positive real number b, the value V-b =

A: The given expression is -b

Q: All stoichiometry problems use Avogadro's number (6.02x1023). O True O False

A:

Q: Is 1326 a a triangular number? What about 1.37.8?

A: 1326 is the 51st triangular number because  and  is 1 more than 51.Similarl,1378 is the 52st…

Q: 15. What is the value of 3*+2 = 27? а. -1 b. 1 с. 3 d.

A: Using options,

Q: 36.) Which set of numbers best describes the number -4? a. whole numbers b. integers c. rationals…

A: Consider the given number -4 The best describe set of number is integers.

Q: Simplify. Assume that all variables represent postive  Real numbers

A: As per our guide lines, we'll able to solve only one question. Please upload the question again.

Q: 2. Prove the statement: The sum of the squares of any two consecutive integers is odd.

A: I have assumed that n be any integer. Then i have found the sum of square of two consecutive…