Mrs. Clark runs 1 3/4 miles in 1/3 hour How many miles can she run in one hour?
1 answer:
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Answer: 16) (17)
(18)
(19) 3x - 18
<u>Step-by-step explanation:</u>
Inverse is when you swap the x's and y's and then solve for y
16) Given: y = x²
Swapped: x = y²
17) Given: y = 2x + 4
Swapped: x = 2y + 4
x - 4 = 2y
18) Given: y = (x + 2)²
Swapped: x = (y + 2)²
√x = y + 2
19) Given:
Swapped:
3(x - 6) = y
3x - 18 = y
For this case we have the following system of two equations with two unknowns:
Adding both equations we have to eliminate the variable "x":
Adding common terms, keeping in mind that different signs are subtracted and the sign of the major is placed:
Answer:
Option A