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FinnZ [79.3K]
3 years ago
9

Find the measure of angle y. Round your answer to the nearest hundredth. (please type the numerical answer only) A right triangl

e is shown with one leg measuring 8, and the hypotenuse is labeled 13. An angle made with the leg measuring 8 and the hypotenuse is marked y degrees. Answer for Blank 1:
Mathematics
1 answer:
romanna [79]3 years ago
7 0

Answer:

The angle is 52 degree.

Step-by-step explanation:

length of of side, L = 8

Hypotenuse, H = 13

According to the trigonometry,

cos y = \frac{L}{H}\\\\cos y = \frac{8}{13}\\\\cos y = 0.62\\\\y = 52^0

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Snezhnost [94]
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Hope this helps :)
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2 years ago
The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.30 liters. A health camp
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Answer:

H0: μ ≤ 1.30

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|Test statistic | > 1.833 ; Reject H0

Test statistic = 3.11

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Pvalue = 0.006

Step-by-step explanation:

H0: μ ≤ 1.30

H1: μ > 1.30

Samples, X ; 1.36,1.35,1.33, 1.66, 1.58, 1.32, 1.38, 1.42, 1.90, 1.54

Xbar = 14.84 / 10 = 1.484

Standard deviation, s = 0.187 (calculator)

Decison rule :

|Test statistic | > TCritical ; reject H0

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|Test statistic | > 1.833 ; Reject H0

Test statistic :

(xbar - μ) ÷ (s/√(n))

(1.484 - 1.30) ÷ (0.187/√(10))

0.184 / 0.0591345

Test statistic = 3.11

Since ;

|Test statistic | > TCritical ; We reject H0 and conclude that water consumption has increased

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Pvalue = 0.006

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3 years ago
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Answer:

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