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| 1. Find the area of a triangle with a base of 10 in. and an altitude of 14 in. | ||||
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| 2. Suppose you're given the formula R = s + 2t. If you know that s is three times greater than t, how could you rewrite the formula? | ||||
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| 3. During a four-week period, you worked the following hours: Week 1—36 3/8 hr Week 2—41 1/4 hr Week 3—41 1/2 hr Week 4—38 3/8 hr What is the average number of hours you worked in one week? | ||||
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| 4. The expression a = 3b2 + 2 can be written in words as the quantity a is equal to | ||||
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| 5. A pipe that is 36 inches long needs to be cut into 21/4 in long pieces. How many pieces would be cut from this length of pipe? (Note: Change 21/4 to an improper fraction before calculating.) | ||||
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| 6. Calculate the current in the circuit shown in Figure A-1. Use the formula I = E/R. | ||||
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| 7. Express the fraction 2/7 as a rounded decimal. | ||||
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| 8. The term rate in percent problems refers to the | ||||
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| 9. Find the value of y in the formula y = 5a − 3b + c, if a = 12, b = 4, and c = 8. | ||||
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| 10. You want to apply a weed killer to your lawn. The directions on the bottle call for mixing 3 ounces of the weed killer with 2 gallons of water. The sprayer you have holds 5 gallons. In order to completely fill the sprayer with a proper mixture, how many ounces of weed killer must you use? | ||||
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| 11. Fractions can be added and subtracted only if they're _______ fractions. | ||||
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| 12. What is the product of 2/8 and 3/5? | ||||
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| 13. Write the decimal 0.006 as a fraction. | ||||
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| 14. An electric heater uses 3/5 watts of power each hour. How many watts of power will the heater use in 1/2 hour? | ||||
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| 15. Which one of the following distances is the longest? | ||||
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| 16. An angle that contains 126 degrees and 32 minutes is a(n) _______ angle. | ||||
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| 17. Corrugated Specialties produces boxes of all kinds. During a normal month they manufacture an average of 67,000 shirt-size boxes. During November they've been told to increase production by 35%. How many boxes will they produce in November? (Note: This question requires two calculations.) | ||||
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| 18. When drawing an angle with a protractor, after you've drawn the first side of the angle, your next step is to | ||||
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| 19. Which one of the following formulas correctly expresses the following statement: The number x is equal to another number n plus the square root of 3. | ||||
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| 20. If a triangle-shaped machine part has sides of 2 1/2 inches, 3 1/4 inches, and 5 inches, the perimeter of the triangle is | ||||
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| 21. The distance h a body will move in a free fall is expressed by the formula h = 1/2 gt2. If g = 980 cm per sec2 and t = 20 sec, the distance h is | ||||
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22. Solve the following equation for y: (square root of ) ![]() | ||||
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| 23. Find the area of a circle with a radius r of 6 feet. Round off your answer to one decimal point. (The formula for the area of a circle is A = π r2 and π should be approximated to four decimal places.) | ||||
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| 24. If the length of a room is 20 feet and its width is 12 feet, the perimeter of the floor area is | ||||
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25. The first step you should take to solve the formula is | ||||
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