Answer:
(-3, 2)
Step-by-step explanation:
x + y = -1 = x = -1 - y
-3( -1 -y ) -4y = 2
4 + 3y - 4y = 2
-y + 4 = 2
-y = -2
y = 2
x + 2 = -1
x = -3
Answer:
The number of feet she will travel back is 1 or 7 feet
Step-by-step explanation:
Here, we need to solve the quadratic equation
That will be as follows;
0 = x^2 -8x + 7
x^2-x-7x+ 7 = 0
x(x-1)-7(x-1) = 0
(x-1)(x-7) = 0
x = 1 or 7
The number of feet she will travel before coming back to the surface of the water is 1 or 7 feet
Answer:
Lisa is wrong because she didn't list the numbers from smallest to greatest. 67 is the median height.
48, 54, 67, 68, 73
Step-by-step explanation: