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Course 3 - test 5b
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1.The number of students in four classrooms is 27, 24, 26 and 27. What is the mean average of students in the four classrooms?
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2.Peter ran and jumped three times. The lengths of his jumps are: 4.13m, 4.28m, 3.97m His longest jump was how much longer than his shortest jump?
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3.There are 12 girls and 15 boys in a classroom. What fraction of the students are boys?
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5/9
12/27
15/12
5/4
4.A flock of geese started flying south at 9am. By noon they had traveled 114 miles. What was their average speed?
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12.6 mph
38 mph
57 mph
45 mph
5. expand: 4(x + 5)
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4x + 5
x + 20
4x
4x + 20
6. Compare: square root of 25 - square root of 9 _________ square root of 25 - 9
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Look at the paper version to be sure you are confident about this one.
greater than
less than
equal
greater than or equal to
7. Which of the following shows numbers from least to greatest?
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Choose
1.3, 0, 0.13, 1/3, 1, -1/3
-1/3, 0, 0.13, 1/3, 1, 1.3
1.3, 1, 1/3,0.13, 0, -1/3
0, 1, -1/3, 0.13, 1/3, 1
8. Look at the picture below. What is the measure of angle A?
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9. Classified by sides, what type of triangle is triangle ABC (in photo above)
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Equilateral
Right
Scalene
Isosceles
10. What is the area of a triangle with vertices at (0,0), (0,4) and (4, 5)?
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11. Find the perimeter of the triangle pictured below!
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(Hint... use Pythagorean Theorem to find the missing side) AND don't forget your unit!
Your answer
12. Follow the order of operations to simplify the following expression: 16 - (8-4(2-1))
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13. Simplify the expression in the picture below:
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x^3 y^2 / z^5
x^3 + y^2 / z^5
xy/z
x^2 y^2/z
14. FInd 1/2 bh when b = 14 and h = 7
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15. Solve for x: 90 = 4x + 10
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16. 1 - x = 5/8
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solve for x
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17. 4/5 * 7/8
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35/40
7/10
40/35
8/7
18. 3/8 divided by 3/5
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5/8
8/5
15/40
40/15
19. 4.4 - 0.44 / 2
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20
0.2
1.98
19.8
20. (0.15)^2
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