The coordinates of quadrilateral fghj are f(-5, -3), g(-3, 3), h(3, 5), and j(7, -1).
find the midpoint of fj
a) (0,4)
b) (1, -2)
c) (-4, 0)
d) (5, 2)
this is a question from my math chapter 20: figures in the coordinate plane

B.  

Step-by-step explanation:  

We have been given that coordinates of quadrilateral FGHJ are F(-5, -3), G(-3, 3), H(3, 5), and J(7, -1). We are asked to find the coordinates of mid-point of segment FJ.

We will use mid-point formula to solve our given problem.

Upon substituting the coordinates of points F and J in mid-point formula we will get,

Therefore, the coordinates of mid-point of segment FJ are and option B is the correct choice.

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

correct answer is b. 27/8

step-by-step explanation: