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# Algebra 1 - 3 5 6 8 11 15 Median =(8 11 2 = 9.5 If you have...

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1. Simplify: 2(5) - 30 divided by 2        a. 17 b. 10 c. 1  d. -10   = (10-30)/2 = -20 / 2 = -10 2. Add: 5/6 +2/3+1/2.       a. 5/18 b. 2/3 c. 8/11  d. 2   = 5/6 + 4/6 + 3/6  = 12/6 = 2 3. Add: 205.8+4.1+85       a. 2184 b. 331.8    c. 294.9  d. 218.4  4. Calculate: 5/8 x16.48-5/6x2.52        a. 69.8 b.  8.2  c. 4.99 d. 1.64  5. How tall is a tree that casts a 25-ft. shadow at the same time a 9-ft. light pole  casts a 15-ft shadow?        a. 15 ft . b. 18 ft. c. 19 ft. d. 41.7 ft.  Let the height of the tree be x 9 25 15 x =   (Cross multiply)

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15x = 9*25 15x = 225 x = 225/15 x = 15 6. The sales tax rate in Oklahoma City is 6.875%. How much tax is charged on  purchase of \$1600?      a. \$23 b. \$80  c. \$110  d. \$160  = \$1,600 x 0.06875 = \$110 7. Find the median of the following numbers: 15, 8, 3, 5, 6, 11       a. 7 b. 6 c. 5 d. 4
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Unformatted text preview: 3 5 6 8 11 15 Median = (8+11) / 2 = 9.5 * If you have an odd number of data values, the median is the middle number. If you have an even number of data values, the median is calculated by adding the 2 middle numbers and dividing by 2. Please double check the numbers you have typed. 8. Complete: 1300 cm(2)=________m(2). a. 0.0013 b. 0.13 c. 1.3 d. 13 = 1300/(100*100) = 1300 / 10,000 = 0.13 9. Given a right triangle with b=4 and c=11, find a approximated to three decimal places. a. 2.646 b. 10.247 c. 10.817 d. 11.705 2 2 2 a b c + = 2 2 2 4 11 a + = 2 2 2 11 4 a =-2 121 16 a =-2 121 16 a =-2 105 a = 105 a = a = 10.247 10. Solve: 8(x-3)=40 a. 8 b. 5 c. 2 d. -2 8x -24 = 40 8x = 40 + 24 8x = 64 x = 64/8 x = 8...
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