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zimovet [89]
2 years ago
11

Which expression is equivalent to 73 ⋅ 7−5?

Mathematics
2 answers:
nadya68 [22]2 years ago
7 0
1 over 7 to the 2nd power
Kruka [31]2 years ago
4 0

The answer is one over 7 to the 2nd power

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Use the original price and the markdown to find the retail price.
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Answer: $88.80

Step-by-step explanation:

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What number comes next 57, 49, 41, 33, 25_
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Step-by-step explanation:

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Let A and B be two sets. For each of the following equalities, say whether the quality is always true, never true, or sometimes
lions [1.4K]

Answer:

hello your question is incomplete below is the missing parts

(a) A\ (A\B) = B\(B\A)

(b) A\ (BA) = B\(A\B)

answer : A\ (A\B) = B\(B\A) = always true

               A\ (BA) = B\(A\B) = sometimes true and sometimes false

Step-by-step explanation:

(a) A\ (A\B) = B\(B\A). = ALWAYS TRUE

using de Morgan's law to prove this

A\ (A\B) = A\ ( A ∩ B^c )

             = A ∩ ( A^C ∪ B )

             = ( A ∩ A^C ) ∪ ( A ∩ B )

             = Ф ∪ ( A ∩ B )

             = ( A ∩ B )

ALSO : B\(B\A) = attached below is the remaining parts of the solution

B) A\ (BA) = B\(A\B) = Sometimes true and sometimes false

attached below is the prove using De Morgan's law

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3 years ago
Find the product (4a+6b)(a-b)
slava [35]
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3 years ago
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