Answer:a=-3
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
Given
(x + 2)(x - 7) = 0 ← in standard form
Equate each factor to zero and solve for x
x + 2 = 0 ⇒ x = - 2
x - 7 = 0 ⇒ x = 7
Thus the zeros are x = - 2 and x = 7
Answer: -2
Step-by-step explanation:
3 squared + 1, -2 +-3
10/-5= -2
Answer: x = -2
Step-by-step explanation:
Answer:
138 pounds
Step-by-step explanation:
Let the required weight of the patient be x pounds.
We have that,
156 milligrams of medicine is required for a patient weighing 104 pounds.
Then, 207 milligrams of medicine will be required for a patient having weight as shown below,
Weight of the patient =
i.e. x =
i.e. x =
Hence, the patient needing 207 milligrams of medicine will have the weight 138 pounds.