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Elza [17]
2 years ago
8

The perimeter of a triangle is 7a-11b . If two of its sides are 2a+b and a-9b, what is the third side?

Mathematics
1 answer:
Masteriza [31]2 years ago
5 0

Answer:

4a plus or minus 1b

Step-by-step explanation:

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The ratio of girls to boys at basketball practice is 2:3. If there are 12 girls at practice then how many boys are there?​
andre [41]

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Can I get some help on these
Rainbow [258]
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4 0
2 years ago
Help me correct this answer pls!!
s344n2d4d5 [400]

Answer:

x=90°

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Step-by-step explanation:

A

D

C

B

let the triangle be named ABD

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