In 7 hours, a secretary can address 100 envelopes. Another secretary can address 100 envelopes in 6 hours. How long would it take the secretaries, working together, to address 800 envelopes? (Hint: Think of addressing 800 envelopes as eight 100-envelope jobs.)

Q: 34. Prove parts (a) and (c) of Theorem 3.2.3.

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A: The solution is given below:

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A: given

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A: how-many-groups word problem for 0.35 / 1.45

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Q: QUESTION TWO: SOLVE THE FOLLOWING SECOND ORDER DIFFERENTIAL EQUATION CORRESPOPNDING TO THE MENTIONED…

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Q: If F is a field, then it has no proper ideal. От OF

A: Theorem: A field has no proper ideals.

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A: See the details solution in below

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A: This question can be solved using the concept of simple interest.

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A: Given.

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A: Here is the solution.

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A: To simplify the following

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A: Note:- Since you have asked multiple question As per our policy, we will solve the first question…

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A: Simplify the given

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A: . We have to find the term a20

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A: Solution is given below:

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Q: 31. Prove parts (a), (c), and (d) of Theorem 3.1.1.

A:

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A: Solution: The polynomial function with real coefficients that has the given zeros is

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A: A detailed solution is given below

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A:

Q: (4)If D is a ring of integers module 13. Then rad(D) = {0}.

A: given

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A: Given Circumference of the great circle=12π feetTo find surface area:

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A:

Q: If F is a field, then it has no proper ideal. От F O O

A: Recall: A field has no proper ideals.