Answer:
x = -3 or x = -5
Step-by-step explanation:
Solve for x:
(x + 3) (x + 5) = 0
Split into two equations:
x + 3 = 0 or x + 5 = 0
Subtract 3 from both sides:
x = -3 or x + 5 = 0
Subtract 5 from both sides:
Answer: x = -3 or x = -5
Answer:
66.00
Step-by-step explanation:
Convert 10% to a decimal by moving the point from 10. to 0.10 (back two places) and multiply it by 50 which gives you $5, which equals the tax they payed. Now they want to tip 20% of the entire bill including tax, so convert 20% to a decimal 20. to 0.20. Now multiply .20 * 55(55 is the $50 payed in meals and the $5 payed in taxes added) And you get $11 for the tip. Add 55 +11 and there's your answer
Answer:
Matrix 1: -4269
Matrix 2: 1768
Matrix 3: 647.3561
Step-by-step explanation:
Matrix 1:
Matrix 2: 1768
Determinant =
Matrix 3: 647.3561
Determinant =