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2 answers:
Answer:
The closest number of juniors and seniors who were inducted is 69.
Step-by-step explanation:
At Lincoln High School, approximately 7% of enrolled juniors and 5% of enrolled seniors were inducted into the National Honor Society last year.
There were 562 juniors and 602 seniors enrolled at Lincoln High School last year.
We will calculate the number of students as:
=
= 69.44
Therefore, the closest number of juniors and seniors who were inducted is 69.
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Answer:
The distance is:
Step-by-step explanation:
The distance of point E to the PQR plane it is the hight (vertical) of piramid PRQE
If point P is located in the middle of line EH, point Q is in the middle of line EF, and point R is in the middle of line AE than:
EP = EQ = ER = 0.5EF = 3 cm and m∠REQ = m∠QEP = m∠REP = 90° so triangles RQE, QPE and PRE are congruent.
RQ = QP = PR so triangle PQR is equilateral and from Pythagorean theorem (for ΔRQE):
Then:
and:
Therefore from Pythagorean theorem (for ΔERK):
