runaway173
25.06.2019 •
Mathematics
Calculate the mean of the height of all the students
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Ответ:
y/12=148. for girls
x+y/32=mean height of all students.
(20*151+12*148)/32=mean
Mean=149.875cm
Ответ:
A) the vertex is maximum value
B) the axis of symmetry is x= -1/2
C) the domain is all real numbers
Step-by-step explanation: