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1 year ago

Pls help me it so so hrad pls

Mathematics

1 answer:

melomori [17]1 year ago

7 0

The triangle in the right side of the first row, the triangle in the left side of the second row and the triangle in the left side of the third row are labeled correctly.

<h3>What triangles are represented correctly?</h3>

Triangles can be defined in terms of their base and their height. Both are linear measures. The base is one side of the triangle and the height is a line perpendicular to the base that meets the vertex opposite to the base.

Based on this explanation we find that the triangle on the right of the first row, the triangle on the left of the second row and the triangle on the left of the third row are labelled correctly.

To learn more on representation of triangles: brainly.com/question/18884053

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Ostrovityanka [42]

Answer: 72.78% of the drivers are traveling between 70 and 80 miles per hour based on this distribution.

Step-by-step explanation:

Let X be a random variable that represents the speed of the drivers.

Given: population mean : M = 72 miles ,

Standard deviation: s= 3.2 miles

The probability that the drivers are traveling between 70 and 80 miles per hour based on this distribution:

$P(70\leq X\leq 80)=P(\frac{70-72}{3.2}\leq \frac{X-M}{s}\leq\frac{80-72}{3.2})\\\\= P(-0.625\leq Z\leq 2.5)\ \ \ \ \ [Z=\frac{X-M}{s}]\\\\=P(Z\leq2.5)-P(Z\leq -0.625)\\\\\\ =0.9938-0.2660\ \ \ [\text{Using p-value calculator}]\\\\=0.7278$

Hence, 72.78% of the drivers are traveling between 70 and 80 miles per hour based on this distribution.

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3 years ago

Which expressions are equivalent to -2(5x-3/4)?

kogti [31]

Answer:

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Hope this helps

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2 years ago

A court reporter is paid for her work by the hour. If she makes $75 for 5 hours of work, how much will she be paid for working 1

elena-s [515]

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3 years ago

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Vera_Pavlovna [14]

<h3><u>Answer:</u></h3>

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<h3><u>Step-by-step explanation:</u></h3>

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<h3><u>Combine Like Terms:</u></h3>

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