9. (0x) 11. 10. 10,000.z+ 10,000 - 2

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.1: Area And Initial Postulates
Problem 45E: The algebra method of FOIL multiplication is illustrated geometrically in the drawing. Use the...
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11. (2 *)
9. (0x)
10. 10,000.z+ 10,000 · z
14.
12.
125x
13. [(20)(2)")|
15. (xy) V/y"
17. (xłyisi)"
16.
18. (VE/wa)
(x1)
19.
20.
Transcribed Image Text:11. (2 *) 9. (0x) 10. 10,000.z+ 10,000 · z 14. 12. 125x 13. [(20)(2)")| 15. (xy) V/y" 17. (xłyisi)" 16. 18. (VE/wa) (x1) 19. 20.
* Evaluate: Homework and Practice
Math
Trainer
. Online Homeworle
• Hints and Help
· Extra Practice
Why are the addition and multiplication tables in the Explore activity symmetric about
the diagonal from the upper-left corner to the lower-right? For example, why is the
entry in the third row of the second column equal to the entry in the second row of the
third column? Would a subtraction table be symmetric about the same diagonal?
1.
2.
Prove that the rational numbers are closed under addition.
Simplify the given expression.
3. V(27x)
4. V(8x)
5. Vr)" /(ey)
V8x
6. VOx
7. V(2x)? /2y
8.
16x
Transcribed Image Text:* Evaluate: Homework and Practice Math Trainer . Online Homeworle • Hints and Help · Extra Practice Why are the addition and multiplication tables in the Explore activity symmetric about the diagonal from the upper-left corner to the lower-right? For example, why is the entry in the third row of the second column equal to the entry in the second row of the third column? Would a subtraction table be symmetric about the same diagonal? 1. 2. Prove that the rational numbers are closed under addition. Simplify the given expression. 3. V(27x) 4. V(8x) 5. Vr)" /(ey) V8x 6. VOx 7. V(2x)? /2y 8. 16x
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