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Thepotemich [5.8K]
3 years ago
15

Find the perimeter of the triangle.

Mathematics
1 answer:
Rudiy273 years ago
8 0

Answer:

12 + 10 + 15,62= 37,62

Step-by-step explanation:

According to the Pythagorean Theorem, you will have this:

{a}^{2} + {b}^{2} = {c}^{2} \\ \\ {10}^{2} + {12}^{2} = {c}^{2} \\ \\ 244 = {c}^{2} \\ \\ 2\sqrt{61} = c \\ \\ 15,62049935 ≈ c \\ \\ 15,62 ≈ c \\ \\ 12 + 10 + 15,62 = 37,62

* There was an error in the correct answer, so I corrected it, as you can see.

I am joyous to assist you anytime.

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FinnZ [79.3K]

The percent of change = ((new value - old value) / old value) × 100%

Our new value = $261.50

Our old value = $382

Plug our values into the equation above.

(($261.50 - $382) / $382) × 100% = -31.54%

8 0
3 years ago
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The mean annual income for adult women in one city is $28,520 and the standard deviation of the incomes is $5600. The distributi
pshichka [43]

Answer:

E(\bar{x}) = 28520

Standard error of mean = 689

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $28,520

Standard Deviation, σ = $5600

Mean of sampling distribution =

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As per Central Limit Theorem, if the sample size is large enough, then the sampling distribution of the sample means follow approximately a normal distribution.

Sample size, n = 66

Since the sample size is large, we can use normal distribution for approximation.

Standard error of mean =

\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{5600}{\sqrt{66}} = 689.31 \approx 689

7 0
3 years ago
Which value from the set {3, 8, 9, 14} makes the equation true?
garik1379 [7]

the answer would be 8.

2 times 8 = 16 minus 5 = 11

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3 years ago
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Answer:1.5

Step-by-step explanation:

3 0
2 years ago
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