Answer:
x = ± 2
Step-by-step explanation:
Given
16 - 2x² = - 64 ( subtract 16 from both sides )
- 2x² = - 80 ( divide both sides by - 2 )
x² = 40 ( take the square root of both sides )
x = ±
= ±
= ± 2
Subtract 1000 by 12. Divide that answer by 2. Add 12 to that answer.
Equations:
1000 -12= 988 988÷2=494 494+12=506
506 boys and 494 girls competed at the special olympics event.
Answer:
x=5
Step-by-step explanation:
4x-10=10
4x=20
x=5
Answer:
The Answer is 600
Step-by-step explanation: 60x10=600
Answer:
The car makes a complete revolution in 8 s.