Answer:
Step-by-step explanation:
= 5(7n + 8) - 2(4n + 6)
Distribute
= 35n + 40 - 8n - 12
Combine like terms
= 35n - 8n + 40 - 12
= 27n + 28
Which two ratios represent qauntities that are proportional
1 answer:
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Answer:
c =
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
c² = 9² + 6² = 81 + 36 = 117 ( take the square root of both sides )
c = ≈ 10.8 ( to 1 dec. place )
