JJ PLEASE HELP ME THX WILL MARK BRAINLIEST
1 answer:
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Answer:
Step-by-step explanation:
Subtract the x terms:
Add 5 to both sides:
Multiply both sides by -1 and flip the inequality symbol:
Divide both sides by 5:
Answer:
BC ≈ 8.6
Step-by-step explanation:
Using Pythagoras' identity in the right triangle , that is
BC² = AB² + AC² = 7.3² + 4.6² = 53.29 + 21.16 = 74.45 ( square root both sides )
BC = ≈ 8.6 ( to 1 dec. place )