mmoniquee
13.04.2020 •
Mathematics
Which number is rational?
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Ответ:
The answer is √5
Step-by-step explanation:
Every integer is a rational number, since each integer n can be written in the form n/1. For example 5 = 5/1 and thus 5 is a rational number. However, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.
Ответ:
x = -10/7
Step-by-step explanation:
Step 1: Combine like terms
4 - 6 + 2x - 9x - 8
-7x - 10
Step 2: Solve for x
-7x - 10 = 0
-7x - 10 + 10 = 0 + 10
-7x / -7 = 10 / -7
x = 10/-7
x = -10/7