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patriot [66]
2 years ago
11

Use a net to find the surface area of the right triangular prism shown:

Mathematics
1 answer:
vazorg [7]2 years ago
3 0

The surface area of the right triangular prism is 270 sq ft

<h3>Total surface ara of the prism</h3>

The total surface area of the prism is the  sum of all the area of its faces

For the two triangles

A = 2(0.5bh)

A = bh

A = 7 * 12 = 84 sq.ft

For the two rectangles

A = 2lw

A = 2(6*12)

A = 2 * 72 = 144 sq.ft

For the third triangle;
Area  6ft * 7ft

Area = 42 sq.feet

Taking the sum of the areas

TSA = 84 + 144 + 42

TSA  = 270 sq ft

Hence the surface area of the right triangular prism is 270 sq ft

Learn more on surface area of prism here; brainly.com/question/1297098

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At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 18 m
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Answer:

99.7% of customers have to wait between 8 minutes to 30 minutes for their food.

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 18 minutes

Standard Deviation, σ = 4 minutes

We are given that the distribution of amount of time is a bell shaped distribution that is a normal distribution.

Empirical Formula:

  • Almost all the data lies within three standard deviation from the mean for a normally distributed data.
  • About 68% of data lies within one standard deviation from the mean.
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Thus, 99.7% of the customers have to wait:

\mu -3\sigma = 18-3(4) = 6\\\mu +3\sigma = 18+3(4) = 30

Thus, 99.7% of customers have to wait between 8 minutes to 30 minutes for their food.

3 0
2 years ago
Can i get some help about this image please?
melomori [17]

Answer:

B=45

Step-by-step explanation:

let the supplamentary angle of <A is <d

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180-135=d

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1 year ago
Which Postulate/Theorem below would prove that the triangles shown below are congruent?
velikii [3]

Answer:

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<em />

Step-by-step explanation:

Let us first define <em>ASA congruence</em> rule:

2 triangles are called congruent according to ASA congruence rule if 2 angles of the triangle and the corresponding side between these two angles are <em>equal </em>to each other.

In the question figure, we can figure out following conclusions from Triangles \triangle SRT\text{ and }\triangle WXY respectively:

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As per the definition of option d) ASA congruence, the triangles are congruent.

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3 years ago
What are three expressions equivalent to : 2g+10h?. <br> PLEASE!!!!!
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Answer:

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8 0
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