given a right triangle with a leg of 8 m and a hypotenuse of 12m and determine the length of the other leg in a simplest radical
1 answer:
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Answer:
Step-by-step explanation:
Given that:
There are 3 sizes of dishwasher soaps.
Twenty percent of all purchasers select a 25-oz box, 50% select a 40-oz box, and the remaining 30% choose a 65-oz box. Let X1 and X2 denote the package sizes selected by two independently selected purchasers.
Therefore, random samples of size 2 are taken from the population.
The information is well represented in the table below.
25 25 0.20×0.20=0.04 25 0
25 40 0.20×0.50=0.10 32.5 112.5
25 65 0.20×0.30= 0.06 45 800
40 25 0.50×0.20=0.10 32.5 112.5
40 40 0.50×0.50=0.25 40 0
40 65 0.50×0.30=0.15 52.5 312.5
65 25 0.30×0.20=0.06 45 800
65 40 0.30×0.50=0.15 52.5 312.5
65 65 0.30×0.30=0.09 65 0
The sample distribution of is shown below as ;
25 32.5 40 45 52.5 65
0.04 0.10+0.10 0.25 0.06+0.06 0.15+0.15 0.09
= 0.20 =0.12 =0.30
The value of
= 25(0.04) + 32.5(0.20) + 40(0.25) + 45(0.12) + 52.5(0.30) + 65(0.09)
= 44.5 oz
From the same table above ;
the sampling distribution of is be shown below;
0 112.5 312.5 800
0.04+0.25 0.10+0.10 0.15+0.15 0.06+0.06
+0.09
= 0.38 =0.20 = 0.30 0.12
The value of
= (0×0.38)+(112.5×0.20)+(312.5×0.30)+(800×0.12)
=0+112+93.75+96
=301.75
Answer:
The answer is A
Step-by-step explanation:
Step 1: Use Cosine to find ∅
Cos∅=
∅=Cos(
)
Therefore the answer is A