Solve the equation: (5y + 2)(y - 3) = -13(2 + y)
1 answer:
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Answer:
Price of Caleb's groceries before tax= $6.4
Step-by-step explanation:
Let price of groceries before tax be = $
Sales tax % = 2.5%
Sales tax applied =
Actual sales tax paid = $1.60
∴
Multiplying both sides by 100.
Dividing both sides by 25.
∴ Price of groceries before tax= $6.4
Answer: C, E, F
Step-by-step explanation:
- Plug in the "x" and "y" values from the ordered pairs into the equation.
- For A: 3 =
→ 3 ≠ 1 → A is eliminated.
- For B: 5 =
→ 5 ≠
→ B is eliminated.
- For C: 2 =
→ 2 = 2 → C satisfies the equation.
- For D: 10 =
→ 10 ≠
→ D is eliminated.
- For E: -1 =
→ -1 = -1 → E satisfies the equation.
- For F: 3 =
→ 3 = 3 → F satisfies the equation.
- Therefore, C, E, and F are the answers.