Step-by-step explanation:
ISOCELES TRIANGLE AS IT'S TWO SIDES ARE EQUAL BUT IT'S NOT AN EQUILATERAL TRIANGLE BECAUSE ALL THREE SIDES ARE NOT EQUAL.
(x+1)2-
=it is meant to be (x+1)2
=2(x) + 2(1)
= 2x +2
I think
Answer: C
Step-by-step explanation: Hope this help :D
<span>Given:
xbar = 20 min
standard deviation = 8 min
total sample = 240
Required:
how many gym members are expected to spend 4 min and 36 min on a treadmill today
Solution:
sd</span>² = (∑(x - xbar)²) / N - 1
there are 42 gym members at 4 minutes and 200 gym members in 36 minutes.