If d > 0 and 5d² - 45 = 0, what is the value of d?
- +3
- -3
- +2
- None of these
Explanation
5d² - 45 = 0
5d² = 45
d² = 9
d = ±3
Given d > 0, so d = 3.
Last verified on 08-03-2026
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5d² - 45 = 0
5d² = 45
d² = 9
d = ±3
Given d > 0, so d = 3.
Last verified on 08-03-2026
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