Chapter 8: Problem 38
Simplify the squares and square roots. $$\sqrt{9}$$
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Chapter 8: Problem 38
Simplify the squares and square roots. $$\sqrt{9}$$
These are the key concepts you need to understand to accurately answer the question.
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In the U.S. Customary System of measurement, 1 ton \(=2000\) Ib. In the metric system, 1 metric ton \(=1000 \mathrm{kg}\). Use this information to answer Exercises \(69-72\). The mass of a Mini-Cooper is 1.25 metric tons. How many pounds is this? Round to the nearest pound.
The Blaisdell Arena football field, home of the Hawaiian Islanders football team, did not have the proper dimensions required by the arena football league. The width was measured to be 82 ft 10 in. Regulation width is 85 ft. What is the difference between the widths of a regulation field and the field at Blaisdell Arena?
Convert the units of area by using multiple factors of the given unit ratio. $$720 \text { in }^{2}=\text{______}\mathrm{ft}^{2}$$
In one day, Stacy gets \(600 \mathrm{mg}\) of calcium in her daily vitamin, \(500 \mathrm{mg}\) in her calcium supplement, and \(250 \mathrm{mg}\) in the dairy products she eats. How many grams of calcium will she get in one week?
In the Expanding Your Skills of Section \(8.1,\) we converted U.S. Customary units of area. We use the same procedure to convert metric units of area. This procedure involves multiplying by two unit ratios of length. Example: Converting area Convert \(1000 \mathrm{mm}^{2}\) to square centimeters. $$\text { Solution: } \frac{1000 \mathrm{mm}^{2}}{1} \cdot \frac{1 \mathrm{cm}}{10 \mathrm{mm}} \cdot \frac{1 \mathrm{cm}}{10 \mathrm{mm}}=\frac{1000 \mathrm{mm}^{2}}{1} \cdot \frac{1 \mathrm{cm}^{2}}{100 \mathrm{mm}^{2}}=\frac{1000 \mathrm{cm}^{2}}{100}=10 \mathrm{cm}^{2}$$ convert the units of area, using two factors of the given unit ratio. $$4.1 \mathrm{m}^{2}=\quad \mathrm{cm}^{2}$$ $$\left(\text { Use } \frac{100 \mathrm{cm}}{1 \mathrm{m}}\right)$$
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