Elena went 60 meters in 15 seconds Noah went 50 meters in 10 seconds Elena and Noah both moved at a constant speed .how far did
2 answers:
Answer:
4 meters
Step-by-step explanation:
About Elena we know that she moves at 60 meters each 15 seconds:
Distance Time
60m → 15s
and we want to know how far she would go in only 1 second:
Distance Time
60m → 15s
x → 1s
where x is the unknown distance, that we calculate as follows: multiply the cross quantities in the table and divide by the other number in the corner.
In one second she will travel 4 meters.
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Answer:
We conclude the equation is linear because it can be rewritten in the form .
Hence, option D is correct.
Step-by-step explanation:
The slope-intercept form of the line or linear equation
where
is the slope
is the y-intercept
<u>Important Tip:</u>
The graph of a linear equation is always a straight line.
Convert the given equation in the slope-intercept form
subtract 18x from both sides
simplify
divide both sides by 9
Now, comparing the equation with a slop-intercept form of linear equation
- The slope m = -2
- The y-intercept b = -416/9
Therefore, we conclude the equation is linear because it can be rewritten in the form .
From the attached graph, is also clear that the graph of the equation is a straight line.
Hence, option D is correct.
