y=5/2x-4
Step-by-step explanation:
im pretty sure
Answer:
8.26 x 10^6
Step-by-step explanation:
Scientific notation mean multiply by 10 power
Speed is the rate of distance over time.
<em>The speed of the boat is 13mph south-west</em>
Given
<em />
<em> --- west</em>
<em />
<em> -- south</em>
<em />
The speed is illustrated with the attached image
Because both speeds act at a diagonal, the speed (v) of the boat is calculated using Pythagoras theorem as follows:



Take square root


<em />
<em>Hence, the speed of the boat is 13mph south-west</em>
Read more about speed at:
brainly.com/question/22610586
Answer:
Step-by-step explanation:
-4x + 1 = -4x + 1
1 = 1
infinitely many solutions