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Naya [18.7K]
3 years ago
9

Please help!!! Which of the following require proof in a logical system? Check all that apply.

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
7 0

Answer:

A. Corollaries

B. Theorems

Step-by-step explanation:

Corollaries are some forms of theorems

Postulates and axioms are a given, their true value is accepted without proof.

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Answer:

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Step-by-step explanation:


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To Rationalize the denominator of 5-√7/9-√14, you should multiply the expression by which fractions?
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<u>Answer</u>

9+√14


<u>Explanation</u>

To Rationalize the denominator of 5-√7/9-√14.

To rationalize this we multiply both the denominator and denominator by the conjugate of the denominator.

The denominator is 9-√14 and its conjugate is (9+√14).

(5-√7)/(9-√14) = (5-√7)(9+√14)/(9-√14)(9+√14)

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                        =  (45 + 5√14 - 9√7 - √98)/67

                        = (45 + 5√14 - 9√7 - 7√2)67

This is the rationalized expression.  

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