andrew5182
23.03.2021 •
Mathematics
23 + b = 30. Substitute 10 for b.
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Ответ:
Explanation:
23 + b = 30
-23+ b = -23
B = 7
Ответ:
23+10=30
23+10≠30
Ответ:
No
Step-by-step explanation: The set of counting numbers {1, 2, 3, 4, ...} is called the set of natural numbers. The natural numbers begin with 1 and go on indefinitely.
Decimals are not natural numbers unless they have a 0 after the decimal point that repeats. However, 2.8 does not so it's not natural.