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3 years ago

12

The length of the base of a right triangle is 12 meters. The height of the right triangle is 9 meters. find the area of the righ

t triangle

1 answer:

Komok [63]3 years ago

8 0

Answer:

A=54m²

Step-by-step explanation:

A = hbb/2 =9 · 12/2 = 54m²

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The cost of a week long vacation in a city has a mean of 1000 and a variance of 1200. The city imposes a tax which will raise al

matrenka [14]

Answer:

The coefficient of variation after the tax is imposed is 0.033

Step-by-step explanation:

Given

$\mu =1000$ --- mean

$\sigma^2 = 1200$ --- variance

$tax = 10\%$

Required

The coefficient of variation

The coefficient of variation is calculated using:

$CV = \frac{\sqrt{\sigma^2}}{\mu}$

After the tax, the new mean is:

$\mu_{new} = \mu * (1 + tax)$

$\mu_{new} = 1000 * (1 + 10\%)$

$\mu_{new} = 1100$

And the new variance is:

$\sigma^2_{new} = \sigma^2 * (1 + tax)$

$\sigma^2_{new} = 1200 * (1 + 10\%)$

$\sigma^2_{new} = 1320$

So, we have:

$CV = \frac{\sqrt{\sigma^2}}{\mu}$

$CV = \frac{\sqrt{1320}}{1100}$

$CV = \frac{36.33}{1100}$

$CV = 0.033$

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3 years ago

Find the area of the figure

GenaCL600 [577]

Find the rectangle area

A = 8*4 = 32 in²

Find the height of trapezoid

8-4 = 4 in

Find the area of trapezoid

(5,3+8)*4/2 = 13,3*4/2 = 53,2/2 = 26,6 in²

Find the figure area

26,6+32 = 58,6 in²

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3 years ago

I WILL MARK YOU BRAINLIEST IF YOU ANSWER

liberstina [14]

Answer:

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blsea [12.9K]

......bruh okay......

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3 years ago

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Answer:

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Step-by-step explanation:

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