The density of steel is approximately 7.8 grams per cubic centimeter. An empty steel can with a mass of 76 grams has a radius of 6.1 centimeters and a height of 6.3 centimeters. Estimate the thickness of the steel. Round your answer to the nearest hundredth. The thickness of the steel is about ? mm.
Consider a regular hexagonal prism candle with a height and base length of 15cm and 5cm respectively. People put the above candle in a rectangular box so that the candle fits snugly in the box (with the bottom touching as shown in the figure). The volume of that box is equal to . <a href=”https://playtetris.io”>Tetris</a>
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Point ????(−5,8) is reflected across the line ???? = ????. What are the coordinates of ????′? Show your work and explain. Suppose point ????(4, −9) is translated according to the rule (????, ????) → (???? + 3, ???? − 2). What are the coordinates of ????′? Explain. How many lines of symmetry does a regular…