I'll start 18 and 22 for you, and you should then be able to do the rest on your own!
For 18, what we literally do is apply the distance formula for all the points and add them up. For B to C, we get the distance between them to be
sqrt((x1-x2)^2+(y1-y2)^2)=sqrt((0-4)^2+(3-(-1))^2)=sqrt((-4)^2+4^2)=sqrt(16+16)=sqrt(32). Repeat the process for C to E, E and F, and F to B then add the results up to get your answer!
For 22, since the area of a rectangle is length*width (we know given the right angles and that the opposite sides are equal in how long they are), we can multiply 2 perpendicular lines, for example, BC and CE to get sqrt(32)*sqrt(8)=16 as the area
It passes through the center of the points. (2)
When doing a line of best fit, you want the line to have equal number of points on either side of the line.
Answer: 1500 kilometers
75% of a 2000 - kilometer trip is 1500 kilometers
Step-by-step explanation:
Answer:
49
Step-by-step explanation:
43 +4 make sure you add them
47 +2
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49
Answer:
where is the picture of the graph beautiful
