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Mashutka [201]
3 years ago
9

Answer the blank bits bc I can't get it ahwnqnsi​

Mathematics
2 answers:
madam [21]3 years ago
7 0
The answer to b is: 8a,5b and 3ab
mina [271]3 years ago
3 0

Answer:

b. 5 ( I think)

c. don’t know

e. -4 and 7

Sorry this one’s a lot harder

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Selecting an Instructor At a convention there are 7 mathematics instructors, 5 computer science instructors, 3 statistics instru
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a-length\ one\ of\ the\ same\ sides\\\\a-9-length\ of\ third\ side\\\\a+a+a-9=63\ \ \ \ \ \ |add\ 9\\a+a+a=63+9\\3a=72\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |divide\ by\ 3\\a=24\\\\a-9=24-9=15\\\\The\ shortest\ side\ is\ 15.
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