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Ghella [55]
2 years ago
7

Does anyone know the answers ???

Mathematics
1 answer:
Kamila [148]2 years ago
5 0

Answer:

1) 3

2) -9

3) 12

4) 4

5) -1

Step-by-step explanation:

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Rewrite each statement using the appropriate mathematical language 1. There exists a number b belonging to the set B 2. Even num
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1. b ∈ B 2. ∀ a ∈ N; 2a ∈ Z 3. N ⊂ Z ⊂ Q ⊂ R 4. J ≤ J⁻¹ : J ∈ Z⁻

Step-by-step explanation:

1. Let b be the number and B be the set, so mathematically, it is written as

b ∈ B.

2. Let  a be an element of natural number N and 2a be an even number. Since 2a is in the set of integers Z, we write

∀ a ∈ N; 2a ∈ Z

3. Let N represent the set of natural numbers, Z represent the set of integers, Q represent the set of rational numbers, and R represent the set of rational numbers.

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Step-by-step explanation:

12*10 = 120-50 = 70

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