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sveta [45]
3 years ago
13

Write a two column proof. given: bd perpindicular to ac and bd bisects ac prove: abd = cbd

Mathematics
1 answer:
ira [324]3 years ago
6 0

1. BD is perpendicular to AC - given

2.BD bisects AC - given

3. <BDC = 90 degrees; < BDA= 90 degrees - definition of perpendicular

4. m<BDC = m<BDA - substitution property

5. m<ABD = m<CBD - definition of a bisector

6. BD = BD - reflexive property

7. ABD = CBD - Angle-side-angle congruency theorem

hope this helps at all

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What value digit in 2,417 is ten times as value of the digit in 2,147
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Answer:

4 in 2,417

4 in 2,147

Step-by-step explanation:

the place value of 4 in 2,417 is HUNDREDS

while the place value of 4 in 2,147 is TENS

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3 0
3 years ago
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to find the right answer multiple by 2

Step-by-step explanation:

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7 0
2 years ago
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Verdich [7]
A = 2(9*11)  + 1/2(8*11) + 1/2(8 * 9)
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Answer
B. 278 in^2
8 0
3 years ago
What's 2/3 written as a fraction with a denominator of 9?<br> A.2/9<br> B.3/9<br> C.6/9<br> D.9/9
Elza [17]
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How many 2s go into 6 and 9
8 0
2 years ago
Wyatt uses 3.15 cups of flour in a recipe that makes 9 shortcakes. Cora uses 2.4 cups of flour in a recipe that makes 8 shortcak
dalvyx [7]
For Wyatt's recipe the rate is:
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 The difference between both recipes is:
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 Answer:
 
0.05 cups of flour per shortcake less is needed for Cora's recipe
5 0
3 years ago
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