Answer:
(C) Sample: the 120 students surveyed. Population: the 1200 students at the high school. Parameter of interest: the average number of hours a student at this high school sleeps per night.
Step-by-step explanation:
The correct answer is (C). The sample is a subset of the population, and the parameter is a characteristic of the population of interest.
20.25 or 20&1/4
100%-15
135%-x
100x=2025
*divide each side by 100*
x=20.25
or
20&1/4
Answer:
Step-by-step explanation:
I multiplied every coordinate by 1/3
The coordinates are in the attachment below
Answer:
(4,-3)
Step-by-step explanation:
This is where the 2 lines meet
Answer:
e = 31
Step-by-step explanation:
The triangle on the left has 2 congruent sides , so is isosceles with 2 congruent base angles of size
=
= 62
Then the interior angle of the triangle on the right is
180° - 62° = 118°
The triangle on the right is also isosceles with 2 congruent base angles, then
e =
=
= 31