crobinson5087
22.08.2019 •
Mathematics
What are the solutions to the equation x2 + 6 = 87? a. –10 and 10 b. the equation has no solutions. c. –6 and 6 d. –9 and 9
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Ответ:
- 6 - 6
x² = 81
x = +9
x = 9 U x = -9
The solution set is equal to D. {+9}.
Ответ:
Step-by-step explanation:
h=12 and g= 4
A). 9+1=10
A is wrong
B). h-g=12-4=8
B is wrong
C). g=4
C is wrong
D). h-3=12-3=9
D is wrong
Therefore 3 has no value.