Assignment Task :

Show all work on the following problems. Write neatly. Circle final answers to each question.

1. Use the fact that 1in≈2.54cm to convert 370 kilometers to miles. Round your final answer to the nearest tenth of a mile. 

2. Solve the following system of equations using either of the two algebraic methods discussed in class. 

−2x+6y=6

−7x+8y=−5

3. A city council consists of seven Democrats and five Republicans. If a committee of five people is selected, find the probability of selecting 2 Democrats and 3 Republicans. 

4. On picture 

5. On picture 

6. On a windy day, a kite with an 80-foot string is tied to the ground 25 feet away from a lemonade stand. How far above the lemonade stand is the kite flying? 

7. The weight for 12-month-old baby boys is normally distributed with a mean of 22.5 pounds and a standard deviation of 2.2 pounds. Find the percentage of 12-month-old baby boys who weigh more than 23.6 pounds. 

8.  On picture 

9. Laura can read 12 pages of her history textbook in 25 minutes. If she continues reading at the same rate, how many full pages can she read in three and a half hours?

 

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  • Posted on : December 16th, 2018

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