Please i need help don't understand this problem.Trina and jessie went on vacation. Trina went scuba diving and reached an eleva
tion of -85.5 meters, which is below sea level. Jessie went hang gliding and reached 87.9 meters which is above sea level.Who is closer to the surface of the ocean? Explain?Trina wants to hang glide at the same number of meters above sea level as she scuba dived below sea level. Will she fly higher than jessie did? Explain?
1 answer:
I will explain this answer with the help of number line which i have shown below.
Considering sea level as starting point i.e origin i will depict how far Trina had gone below sea level and how much Jessie went above sea level.
Distance Traveled by Trina below sea level = - 85.5 meter
Distance Traveled by Jessie above sea level =87.9 meter
Considering sea level as origin i.e 0
Total distance traveled by Trina= 0-(-85.5)=85.5 meter
Total distance Traveled by Jessie = 0+87.9=87.9 meter
So,Trina is nearer to sea level than Jessie.
Now Trina wants to hang glide at the same number of meters above sea level as she scuba dived below sea level.
Then Distance traveled by Trina=85.5 meter
No,she will not fly higher than Jessie because Jessie has traveled 87.9 meter.
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The value of c, if a line with a slope of 3/4 that passes through the points (1,8) and (5,c), is 11.
<h3>What is the equation of a line?</h3>A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation of a line is given by,
y =mx + c
where,
x is the coordinate of the x-axis,
y is the coordinate of the y-axis,
m is the slope of the line, and
c is the y-intercept.
Given that the line has a slope of 3/4 and passes through the point (1,8). Therefore, we need to substitute the slope and the coordinates in the equation of the line, to get the value of the y-intercept.
y = mx + c
8 = (3/4)(1) + c
8 = (3/4) + c
c = 8 - (3/4)
c = 29/4
Now, the line also passes through (5,c), therefore, if we substitute the value of slope and y-intercept in the equation,
y = mx + c
c = (3/4)(5) + (29/4)
c = (15/4) + (29/4)
c = 44/4
c = 11
Hence, the value of c, if a line with a slope of 3/4 that passes through the points (1,8) and (5,c), is 11.
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