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Chapter 2: Q9AR. (page 69)
Solve each system of equations by the substitution method.
3x + y = 19
2x 鈥� 5y = 鈥�10
The solution of given system of equations is x = 5, y = 4.
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Tell whether each statement is true or false. Then write the converse and tell whether it is true or false.
P is the midpoint of implies that .
Prove the following statements by filling in the blanks.
Given: is the bisector of
Proof:
Statement | Reasons |
1. is the bisector of | 1. ? |
2. ?, or ? | 2. ? |
3. | 3. ? |
4. , or | 4. ? |
5. | 5. ? |
6. | 6. Substitution Prop. (Steps ? and ?) |
Write a definition of a right angle as a biconditional.
State the hypothesis and the conclusion of each conditional.
if S is the midpoint of
.
State which postulate, definition, or theorem justifies the statement about the diagram.
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