2 answers:
Answer:
x = ± 
Step-by-step explanation:
Given
9x² = 18 ( divide both sides by 9 )
x² = 2 ( take the square root of both sides )
x = ±
The answer is 2 because I decided
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B.) 81
sq rt of x= 12-3
sq rt of x=9
take the ^2 of both sides to get rid of the sq root
x^2= (9)^2
=81
Answer:
5
Step-by-step explanation:
Number is n
- n - (-3) = 8
- n= 8 + (-3)
- n = 5
Answer:
-7
Step-by-step explanation:
Answer: 32questions
Step-by-step explanation:let the total number of test = x
Therefore: 24/x * 100 = 75
x = 24*100 / 75
= 32questions
Go 0.35•22 and you get 7.7
