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Fact-Checks

4 results
Dec 15, 2025
Most Viewed

What do 25% and 30% represent in financial discount scenarios?

"25%" and "30%" in discount scenarios denote the share of the original price that is removed as a price reduction — for example, 25% off a $200 item saves $50 and yields a $150 final price , while 30%...

Nov 18, 2025
Most Viewed

How is PSA doubling time calculated and what DT predicts metastatic progression after prostatectomy?

PSA doubling time (PSADT) is usually calculated from serial PSA measurements by fitting an exponential growth model — commonly by taking the natural log of PSA values, deriving a slope by linear regre...

Dec 14, 2025

1% of 345 million

1% of 345,000,000 equals 3,450,000 — found by converting 1% to its decimal (0.01) and multiplying by 345 million (0.01 × 345,000,000 = 3,450,000) . Common percentage calculators and how‑to guides expl...

Nov 29, 2025

What measurements are needed to select the correct cylinder diameter and length?

To pick the right cylinder diameter and length you always need two independent parameters because a cylinder’s volume V = π (d/2)^2 h links diameter d and length/height h; if you know volume and diame...

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