Overall average = 0.736 + 0.2 x Thus, to get a grade of “A” Amy’s overall average needs to be over 90%. This can be written in the form of inequalities as follows, 0.736 + 0.2 x ≥ 0.9 . The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

Question

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Answer 1

Question

Chapter 1.5, Problem 83PE

To determine

Overall average = 0.736+0.2x

Thus, to get a grade of “A” Amy’s overall average needs to be over 90%. This can be written in the form of inequalities as follows, 0.736+0.2x≥0.9. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

To determine

The range of grades that Amy needs on her final exam to secure a “B” grade in her class

To determine

Thus, to get a grade of “B” Amy’s overall average needs to be at least 80% but less than 90%. This can be written in the form of inequalities as follows, 0.9>0.736+0.2x≥0.8. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

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Answer 2

Question

Chapter 1.5, Problem 83PE

To determine

Overall average = 0.736+0.2x

Thus, to get a grade of “A” Amy’s overall average needs to be over 90%. This can be written in the form of inequalities as follows, 0.736+0.2x≥0.9. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

To determine

The range of grades that Amy needs on her final exam to secure a “B” grade in her class

To determine

Thus, to get a grade of “B” Amy’s overall average needs to be at least 80% but less than 90%. This can be written in the form of inequalities as follows, 0.9>0.736+0.2x≥0.8. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 1.5, Problem 83PE

To determine

Overall average = 0.736+0.2x

Thus, to get a grade of “A” Amy’s overall average needs to be over 90%. This can be written in the form of inequalities as follows, 0.736+0.2x≥0.9. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

To determine

The range of grades that Amy needs on her final exam to secure a “B” grade in her class

To determine

Thus, to get a grade of “B” Amy’s overall average needs to be at least 80% but less than 90%. This can be written in the form of inequalities as follows, 0.9>0.736+0.2x≥0.8. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 1.5, Problem 83PE

To determine

Overall average = 0.736+0.2x

Thus, to get a grade of “A” Amy’s overall average needs to be over 90%. This can be written in the form of inequalities as follows, 0.736+0.2x≥0.9. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

To determine

The range of grades that Amy needs on her final exam to secure a “B” grade in her class

To determine

Thus, to get a grade of “B” Amy’s overall average needs to be at least 80% but less than 90%. This can be written in the form of inequalities as follows, 0.9>0.736+0.2x≥0.8. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 1.5, Problem 83PE

To determine

Overall average = 0.736+0.2x

Thus, to get a grade of “A” Amy’s overall average needs to be over 90%. This can be written in the form of inequalities as follows, 0.736+0.2x≥0.9. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

To determine

The range of grades that Amy needs on her final exam to secure a “B” grade in her class

To determine

Thus, to get a grade of “B” Amy’s overall average needs to be at least 80% but less than 90%. This can be written in the form of inequalities as follows, 0.9>0.736+0.2x≥0.8. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

Answer 6

Chapter 1.5, Problem 83PE

To determine

Overall average = 0.736+0.2x

Thus, to get a grade of “A” Amy’s overall average needs to be over 90%. This can be written in the form of inequalities as follows, 0.736+0.2x≥0.9. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

Answer 7

Chapter 1.5, Problem 83PE

To determine

Overall average = 0.736+0.2x

Thus, to get a grade of “A” Amy’s overall average needs to be over 90%. This can be written in the form of inequalities as follows, 0.736+0.2x≥0.9. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

Answer 8

To determine

The range of grades that Amy needs on her final exam to secure a “B” grade in her class

Answer 9

To determine

The range of grades that Amy needs on her final exam to secure a “B” grade in her class

Answer 10

To determine

Thus, to get a grade of “B” Amy’s overall average needs to be at least 80% but less than 90%. This can be written in the form of inequalities as follows, 0.9>0.736+0.2x≥0.8. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

Answer 11

To determine

Thus, to get a grade of “B” Amy’s overall average needs to be at least 80% but less than 90%. This can be written in the form of inequalities as follows, 0.9>0.736+0.2x≥0.8. The inequality thus obtained can be solved to obtain the range of grade that Amy would need on her final exam to get an “A” in the class.

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. 1.1 - Prob. 7PE Ch. 1.1 - Prob. 8PE Ch. 1.1 - 9. Label the equation as linear or nonlinear Ch. 1.1 - Label the equation 3+x3x=4 as linear or nonlinear Ch. 1.1 - Prob. 11PE Ch. 1.1 - Prob. 12PE Ch. 1.1 - Prob. 13PE Ch. 1.1 - Prob. 14PE Ch. 1.1 - Prob. 15PE Ch. 1.1 - Prob. 16PE

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The range of grades that Amy needs on her final exam to secure a “B” grade in her class

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