Mathematics, 11.03.2020 16:29 atkinsonl1076
What is the missing statement and the missing reason in
step 5?
Statements
Reasons
1. MZADE -60°
1. given
2. ZADE and ZCDF are vert. Zs 2. def. of vert. Zs
3 ADE CDF
3. vert. ZS
4. MZADE - m2CDF
4. def. of a
5. ?
5. ?
6. 45 - 3x
6. subtr. prop
7. 15-X
7. div. prop
(3x+15)
60°
Statement: 60 = 3x + 15; Reason: substitution
Statement: x = 15; Reason: subtraction property of
equality
Statement: 60 = 3x + 15; Reason: transitive property
Statement: x = 15; Reason: subtraction and division
properties of equality
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What is the missing statement and the missing reason in
step 5?
Statements
Reasons...
step 5?
Statements
Reasons...
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