The earliest known evidence for the Pythagorean Theorem comes from an ancient clay tablet called, “IM 67118.” This tablet uses the theorem to determine the length of a diagonal within a rectangle, and ...

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The density of an object or substance is its mass divided by its volume: Density = Mass ÷ Volume. The units of density depend on the units used for mass and volume, but are usually: g/cm³ (if mass is ...

Click to see a step-by-step slideshow. STEP 2: Write out the problem, circle the key pieces of information and draw a bar. Label the whole bar 38 g. Draw a second bar directly underneath the first and ...