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QveST [7]
3 years ago
13

A test consists of 20 multiple-choice questions plus 10 true-false questions. Barry got 7

Mathematics
1 answer:
Arturiano [62]3 years ago
8 0

Answer:

Step-by-step explanation:

20 + 10= 30

30-7=23

23/30= 76.6 (repeating) %

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P varies directly with T and p=10 when T=500. When T=509, find T
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Let,

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