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marusya05 [52]
3 years ago
9

Whats 5a - 2a + 9 ? could someone add how you got the answer to please?

Mathematics
2 answers:
Vinvika [58]3 years ago
7 0
Step 1. Simplify 
3a+9

3a+9 is your answer:

Done! :)

Mila [183]3 years ago
5 0
Combine like terms which are 5a and 2a which=3a then you have 3a=9 so then you divide 3 on both sides and then you get 3 which is your answer so a=3
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drek231 [11]

Answer:

5.946 cm

Step-by-step explanation:

Using the Pythagorean Theorem, we know that in a right angle triangle to find the longest side we must use the equation a^2 = b^2 + c^2

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