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Valentin [98]
3 years ago
6

Which statement best demonstrates why the following is a non-example of a polynomial?

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0
The following statements <span>demonstrates why the following is a non-example of a polynomial.</span>
1. The expression has a variable raised to a negative exponent. 
2. The expression has a variable in the denominator of a fraction.
3. The expression has a variable raised to a fraction. 
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Answer:Robert's minimum age is 11 years.

Step-by-step explanation:

Let x represent George's age.

Let y represent Edward's age.

Let z represent Robert's age.

George is twice as old as Edward. It means that

x = 2y

Edward's age exceeds Robert's age by 4 years. It means that

z = y - 4

If the sum of the three ages is at least 56 years, it means that

x + y + z ≥ 56 - - - - - - - - - - 1

Substituting x = 2y and z = y - 4 into equation 1, it becomes

2y + y + y - 4 ≥ 56

4y - 4 ≥ 56

4y ≥ 56 + 4

y ≥ 60/4

y ≥ 15

z = y - 4 = 15 - 4

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Answer:

45.8 degrees

Step-by-step explanation:

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