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briannamaee13
17.02.2020 •
Mathematics
Round to the nearest tenth, if necessary. Question: z2 = 361
options:
A.) 18, –18
B.) 180.5, –180.5
C.) 19, –19
D.) 19
Solved
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Ответ:
The answer is option C) 19,-19
Step-by-step explanation:
Given, z² = 361
To eliminate the square of z, take square root on both sides
z = √361
The factor of 361 could not be an even number, since the last digit of 361 is odd. So, eliminate option A)The option B) is a larger number and it cannot be the answer. So, eliminate it.Try option C) works or not. (19)² = 19Ответ:
entering that problem on the tube might get you an answer