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3 years ago

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Overlapping triangles

1 answer:

never [62]3 years ago

5 0

Answer:

Overlapping triangles are triangles that occupy some of the same space. They share lines or angles! Sometimes it is beneficial to pull the triangles apart and look at them separately in order to use them in math problems. Just like workers' duties can overlap, so can the area of triangles!

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PLEASE HELP ME OUT IM FAILING MATH

MrMuchimi

Answer:

Step-by-step explanation:

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3 years ago

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Our environment is very sensitive to the amount of ozone in the upper atmosphere. The level of ozone normally found is 7.8 parts

Alexxandr [17]

Answer:

The value of the test statistic is $t = 2.67$

Step-by-step explanation:

The null hypothesis is:

$H_{0} = 7.8$

The alternate hypotesis is:

$H_{1} \neq 7.8$

Our test statistic is:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

In this problem, we have that:

$X = 8.2, \mu = 7.8, \sigma = 0.6, n = 16$

Then

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$t = \frac{8.2 - 7.8}{\frac{0.6}{\sqrt{16}}}$

$t = 2.67$

The value of the test statistic is $t = 2.67$

5 0

3 years ago

Multiply.<br> (5x2-6x+2) x (4x2-3x)

stich3 [128]

Answer:

<em>18x² - 84x + 96</em>

Step-by-step explanation:

(5 × 2 - 6x + 2) × (4 × 2 - 3x)

5 × 2 (4 × 2 - 3x) - 6x(4 × 2 - 3x) + 2(4 × 2 - 3x)

80 - 30x - 6x(4 × 2 - 3x) + 2(4 × 2 - 3x)

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96 - 84x + 18x²

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Hope this helps! :)

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3 years ago

Write the following phrase as an expression<br> "the product of 6 and n"

Kamila [148]

Answer:

6n

Step-by-step explanation:

A product refers to the multiplication of two or more numbers.

6n is the equivalent of 6*n

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2 years ago

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DENIUS [597]

Wdym by animal testing? Like doing experiments on rats as an example?

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3 years ago