Answer:
x = 1.53, -1.53.
Step-by-step explanation:
9x^2 - 21 = 0
9x^2 = 21
x^2 = 21/9
x = +/- √21 / 3
x = 1.53, -1.53.
Answer:
The integer 'A' represents -8.
1. square root
2. irrational number
3. positive
Step 1: move 64 to a left side, -13 - 64 = 7d
Step 2: -77 = 7d
Step 3:

= d
Step 4: d = -11
Answer:225
Step-by-step explanation: If your decimals are less than 5 then it stays