Answer:
between 8 and 9
Step-by-step explanation:
The square of 8 is 64, which is less than 78.
The square of 9 is 81, which is more than 78.
The square root of 78 will lie between 8 and 9 on the number line.
_____
√78 is near 8.832
The averge rate for time is 1.5 and the averge rate for height is 148
Answer: Marry Christmas!
Step-by-step explanation:
lx-1 l ≤ 13
There are 2 solutions:
x-1 ≤ 13
and
x-1 ≥ -13
Solve each one
x-1 ≤ 13
add 1 to both sides of the equation
x-1+1≤ 13+1
x ≤ 14
x-1 ≥ -13
Add 1 to both sides:
x-1+1 ≥-13+1
x ≥ -12
-12 ≤ x ≤ 14
Answer: (b) -7/2, 6.
Step-by-step Explanation: We put x = 0; then y = 6; y-intercept of the line is (0,6).
For the slope: 4y = 24 - 14x; then, y = (-7/2)x + 6; the slope is -7/2.
