(-3^4/5^4) * (4^4/9^4) * (-15^2/18^2)
1 answer:
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Answer:
C
Step-by-step explanation:
Using the sine ratio in the right triangle.
sinC = =
=
, thus
∠ C = (
) ≈ 34.85° ( to 2 dec. places )
Answer:
(A) the subtraction property of equality
Step-by-step explanation:
Given
The steps in the question
Require
Justify step 2 to 3
Write out step 2:
Apply subtraction property by subtracting 2x from both sides
Notice that the above equation is represented in step 3.
<em>Hence, option A answers the question.</em>