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natulia [17]
3 years ago
12

Ok now this hehehe, i just wanna see if im correct.

Mathematics
1 answer:
Pie3 years ago
3 0

<u>Answer:</u>

<h2>x = 49.4°</h2>

<u>Steps:</u>

given: m∠EFG = 90°

tan(x) = FG/EF

tan(x) = 10.5/9

tan(x) = 7/6

tan(x) = 1.166..

x = tan⁻¹(x)

x = tan⁻¹(1.166..)

x = 49.39.. ≈ 49.4°

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Kazeer [188]

Greetings I am BrotherEye

Answer: How find the volume of a triangular pyramid?

Triangular pyramid volume formula

In words: the volume of a triangular pyramid is one-third of the product of the base area and the pyramid's height

Step-by-step explanation:

Now in mathematical terms Use the formula for the volume of a triangular pyramid: V=13Ah , where A = area of the triangular base, and H = height of the pyramid.

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8 0
3 years ago
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

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Step-by-step explanation:

We are given the following information in the question:

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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.

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7 0
3 years ago
What is the distance between the points (5.-18) and (8,
romanna [79]

Answer:

\sqrt{10}

Step-by-step explanation:

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a^{2} +b^{2} =c^{2}\\3^{2} +1^{2} =c^{2}\\9+1=c^{2}\\10=c^{2}\\\sqrt{10}=c

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$225 + $450

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Now, solve for 6% tax:

$675 × 0.06

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3 years ago
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