For what values of x is x2 + 2x = 24 true?–6 and –4–4 and 64 and –66 and 4
2 answers:
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Answer:
x = 5
Step-by-step explanation:
using the sine or cosine ratio in the right triangle and the exact value
sin30° = , then
sin30° = =
=
( cross- multiply )
2x = 10 ( divide both sides by 2 )
x = 5
Answer:
Option B: 1.15($45) is the correct answer.
Step-by-step explanation:
Given that:
Total amount of restaurant bill = $45
Tip = 15%
As the bill would be 100% and a 15% tip will be added.
Thus total bill,
Total bill = (100+15)% = 115% of restaurant bill
Total bill =
Total bill = 1.15($45)
Hence,
Option B: 1.15($45) is the correct answer.