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Tasya [4]
3 years ago
8

Ruth develops a blueprint with the help of a triangle. The longest side of the instrument measures 14 inches and one of the side

s measures 12 inches. Determine the length of the other side of the instrument.
Mathematics
1 answer:
Vlada [557]3 years ago
4 0

Answer:

7.2 inches

Step-by-step explanation:

Pythagorean Theorem

a

You've been given the longest side = 14 and the side of the triangle = 12,

Do 14^{2} - 12^{2}, which will give you an answer of 52.

After doing this since you're calculating a side and you've been given the longest side already it can't possibly be an answer of 52.

Square root 52 and you'll get 7.2.

Your answer should be 7.2 inches.

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ANEK [815]

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3 years ago
Consider the e-billing case. The mean and the standard deviation of the sample of n = 65 payment times are xbar= 18.4730 and s =
Travka [436]

Answer: The null and the alternative hypotheses are given below:

H_{0}:\mu=18.6

H_{a}:\mu

Under null hypothesis, the test statistic is:

z=\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

        =\frac{18.4730-18.6}{\frac{3.9045}{\sqrt{65}} }

        =-0.26

\therefore z=-0.26

Now we have to find the left tailed critical value at 0.01 significance level using the standard normal table.

The critical value is:

z_{critical}=-2.33

Since the test statistic is -0.26 lies in acceptance region because the critical region is beyond -2.33, therefore, we fail to reject the null hypothesis.

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3 years ago
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6 0
3 years ago
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Solve pls brainliest
Talja [164]

Answer:

Mixed number: 5(1/10)

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Step-by-step explanation:

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8 0
3 years ago
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Solve for x: -3|2x + 6| = -12
Yuri [45]
-3|2x + 6| = -12
|2x + 6| = -12/-3 = 4
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