Answer:
x ≈ 7.1
Step-by-step explanation:
Using the cosine ratio in the right triangle.
cos27° = =
=
( multiply both sides by x )
x × cos27° = 6.3 ( divide both sides by cos27° )
x = ≈ 7.1 ( to the nearest tenth )
PLS HELP! What is the mistake made below in solving x2 – 12x + 10 = 0 using the completing the square method?
2 answers:
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Answer:
see attached
Step-by-step explanation:
We take ~p∧~q∨r to mean (~p∧~q)∨r because "and" normally has precedence over "or." The (~p∧~q) term will only come into play when both p and q are false. It will only affect the outcome if r is also false. This condition is the last line of the table.
