Answer:
x = 5, -1
Step-by-step explanation:
0 = 3x^2 - 12x - 15 or
3x^2 - 12x - 15 = 0
By solving for x, use the Quadratic Formula.
… x = 5 and/or -1
Answer:
Options 1, 3 and 4 are true
Step-by-step explanation:
The legs EF and DF of the right triangle DEF have lengths of 24 units and 7 units, respectively. By the Pythagorean theorem,

Find trigonometric functions:




Thus, options 1, 3 and 4 are true
In first calculation Miranda was first calculating tax of a 7% of 19$ tennis racket and than she added it to cost of tennis racket. In second calculation she automatically calculated 107% of a price of tennis racket that she will pay at register.
Answer:
The weight of an adult dog is 45 pounds.
Step-by-step explanation:
9 pounds is 20% of the adult weight. To get to 100%, you have to multiply 20 by 5. Multiply 9 by 5 and it will be 45. Sorry for answering late.
Yes, you multiply the numerator by the numerator and the denominator by the denominator