What are the solution(s) to the quadratic equation 40 − x2 = 0? x = ±2 x = ±4 x = ±2 x = ±4
2 answers:
Answer:
Step-by-step explanation:
To find the solutions of the quadratic equation given in the problem, you can apply the proccedure shown below:
- Subtract 40 from both sides of the equation.
- Multiply both sides of the equation by -1
- Apply square root to both sides of the equation.
Therefore, by applyin the steps above, you obtain:
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We know the mass if 49g and the volume is 7
, so plug these values into the equation for density:
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To help you remember - my teacher told us to remember "We <span>♡ density," and the heart stands for </span>
</span>
Back to the problem:
We know the mass if 49g and the volume is 7
Answer: The density is 7 g/