Diameter = 6, so length of diagonal = 6
a² + b² = c²
a = x, b = x, and c = 6
x² + x² = 6²
2x² = 36
x² = 18
x = √18
x ≈ 4.2426
x ≈ 4.2 in.
Hope this helps you!
Have an amazing day :)
Answer:
RS = 15 and RT = 18, then ST = 3! :D
Step-by-step explanation:r = 1 --> s=15 & t=18 so st = 270
r = 3 --> s = 5 & t = 6 so st = 30
r = 5 --> s = 3 & t = 3.6 so st = 10.8
etc
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In literal terms:
s = 15/r
t = 18/r
Hope this helped, I'm just in middle school but I'm sure of this! :D
The answer is d hope that helps
Answer:
chisquare = 31.667
degree of freedom = 2
Step-by-step explanation:
Formula for chisquare test = (O-E)²/E
total number observations= 60 + 25 + 15 = 100
Estimated E,
80% x 100 = 80
15%x100 = 15
5% x 100 = 5
chisquare =

= 5 + 6.67 + 20
= 31.667
from the calculation above the value of the chisquare statistic = 31.67
the degree of freedom is the number of samples in the test n - 1
= 3-1
= 2
I have solve this question also in a tabular form to aid understanding in the file i uploaded.
thank you and good luck!
Answer:
2/15+3/15. = (5×2)+(15×3)/15×5 = 10+45/75=55/75 ÷5=11/15