This table shows the results of four surveys that randomly sampled 30 teenagers about their favorite night to hang out with frie
nds.
According to the unbiased surveys in this table, what percent of the teenagers are likely to prefer hanging out with their friends on Saturday night?
According to the unbiased surveys in this table, what percent of the teenagers are likely to prefer hanging out with their friends on Saturday night?
1 answer:
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Answer:
The perimeter of the Rectangle JKLM is 32 unit.
Step-by-step explanation:
Consider the provided coordinates.
Rectangle JKLM: J(-3, 8), K(-3,-1), L(4, -1), M(4,8)
First plot the points as shown in figure:
The required figure is shown below:
Now find the distance between JK by using the distance formula.
Therefore, the length of JK is 9 unit.
Now find the length of the side JM
Therefore, the length of JM is 7 unit.
The perimeter of rectangle is:
Therefore,
Hence, the perimeter of the Rectangle JKLM is 32 unit.
Perimeter of the triangle ABC is 18.7 units.
Coordinate of the point A is (4, -1), B is (-1, 4) and C is (0, -3).
Length of the side AB =
AB =
AB = 7.07 units = 7.1 units ( rounded to the nearest 10th)
Length of the side BC =
BC =
BC =
BC = 7.07 units = 7.1 units ( rounded to the nearest 10th)
Length of the side CA =
CA =
CA =
CA = 4.47 units = 4.5 ( rounded to the nearest 10th)
Perimeter of the triangle ABC = sum of all three sides = (7.1 + 7.1 + 4.5) units = 18.7 units