Answer:
81
Step-by-step explanation:
(Refer to image)
Plug in x and z and follow order of operations to simplify the expression
Answer:
<em>2.5%</em><em> of the snakes are longer than 16.6 in</em>
Step-by-step explanation:
The Z score is,

here,
X = raw score = 16.6
μ = mean = 15
σ = standard deviation = 0.8
So,

Z-score is the measurement of how many standard deviation away the data is from the mean. Hence, the value 16.6 is 2 standard deviations right to the mean.
Approximately 95% of the data falls within two standard deviations of the mean. (between the mean-2 times the standard deviation, and the mean+2 times the standard deviation)
So the 5% of data are left in the remaining space. As we have to find the amount of snakes which are longer than 16.6 in i.e we have to find the area to the right of 16.6.
The remaining 5% of amount is divided in two equal parts.
Therefore,
of the snakes are longer than 16.6 in
A Parallelogram. 2 obtuse angles, 2 acute angles. 2 pairs of parallel sides
number of pockets inside jacket
Answer:
-5/2+-1/2√37≤x≤-5/2+1/2√37
Step-by-step explanation:
Step 1: Find the critical points
-x^2-5x+3=0
For this equation: a=-1, b=-5, c=3
−1x^2+−5x+3=0
x=−b±√b2−4ac/2a
x=−(−5)±√(−5)2−4(−1)(3)/2(-1)
x=5±√37
/−2
x=-5/2+1/2√37
Step 2: Check intervals in between critical points
x≤-5/2+1/2 √37 (Doesn't work in original inequality)
-5/2+-1/2√37≤x≤-5/2+1/2√37 (Works in original inequality)
x≥-5/2+1/2 √37 (Doesn't work in original inequality)