Can somebody help me with this?

Step-by-step explanation:

The slope of a line can be found by determining , or for any two points on the line, and , using the equation, .

From the given line, we can see two points on the graph are and . Plugging those into our equation, we get

This means that the slope of the line is .

To find the y-intercept of the line, you need to find where the line crosses the y-axis, or where . In this case, that is at point .

Finally, to construct the equation for the line, you can use slope-intercept form, which follows the format

where is the slope of the line and is the y-intercept value.

Plugging in the values we retrieved previously, we can construct the equation for the line as follows:

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.