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Gwar [14]
3 years ago
7

1/2n+6=8 .. i need help with the check and solving?​

Mathematics
2 answers:
dlinn [17]3 years ago
8 0

Answer:

n=0.25

Step-by-step explanation:

We have to do the inverse to solve for n so first we look at the term +6 and we do 8-6=2 so we know 1/2n is 2. Then we do 1/2 which is 0.5 so we know the denominator is 0.5. After that, 2n=0.5 so n=0.25.

saw5 [17]3 years ago
5 0
Just subtract 6-6 and 8-6 then divide 1/2 by both sides
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snow_lady [41]
<span>By the Pythagorean theorem
AB = </span>√(12²+5²) = √169 = 13 units

\frac{AD}{AB} =  \frac{BD}{BC} \ \to \ BC= \frac{AB*BD}{AD}= \frac{13*12}{5}=   31.2 \ units
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