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Morgarella [4.7K]
1 year ago
15

Help me please :) thanks

Mathematics
1 answer:
Nata [24]1 year ago
3 0

The area of a 2D form is the amount of space within its perimeter. The lateral area of the triangular prism is 724.28m², while the total area of the prism is 752.28m². The surface area of the cylinder will be 414 in².

<h3>What is an area?</h3>

The area of a 2D form is the amount of space within its perimeter. It is measured in square units such as cm², m², and so on. To find the area of a square formula or another quadrilateral, multiply its length by its width.

A.) The area of the lateral faces are:

Latera area of the triangular prism = (38×7)+(38×8.06)+(38×4) = 724.28m²

The total area of the prism is:

The total area of the prism = Lateral Area + Area of the base face

                                              = 724.28m² + 2(0.5×7×4)

                                              = 724.28m² + 28m²

                                              = 752.28m²

Hence, the lateral area of the triangular prism is 724.28m², while the total area of the prism is 752.28m².

B.) The surface area of the cylinder can be written as,

Surface Area = 2πrl + 2πr²

                      = (2×π×9×14) + (2×π×9×9)

                      = 252in² + 162in² = 414in²

Hence, the surface area of the cylinder will be 414 in².

Learn more about Area:

brainly.com/question/1631786

#SPJ1

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Answer:

8 : 343

Step-by-step explanation:

Given 2 similar figures

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Here the ratio of edges = 2 : 7, hence

ratio of volumes = 2³ : 7³ = 8 : 343

3 0
3 years ago
A construction zone on Interstate 15 has a speed limit of 40 mph. The speeds of vehicles passing through this construction zone
monitta

Answer:

a. The percentage of vehicles who pass through this construction zone who are exceeding the posted speed limit =90.82%

b. Percentage of vehicles travel through this construction zone with speeds between 50 mph and 55 mph= 2.28%

Step-by-step explanation:

We have to find

a) P(X>40)= 1- P(x=40)

Using the z statistic

Here

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u= 44mph

σ= 3 mph

z=(40-44)/3=-1.33

From the  z-table   -1.67 = 0.9082

a) P(X>40)=

Probability exceeding the speed limit = 0.9082 = 90.82%

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Now

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Area for z>3.59 is almost equal to 1

From the z- table we get

P(55 < X < 60) = P((50-44)/3 < z < (55-44)/3)

     = P(2 < z < 3.67)

     = P(z<3.67) - P(z<2)

     = 1 - 0.9772

     = 0.0228

or 2.28%

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2 years ago
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3 years ago
I’m about to cry from frustration. Help please before I die
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Answer:

\frac{1}{3}x+16=37

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Step-by-step explanation:

The unknown is the number of jelly beans originally in the bag or x

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He then ate 16 more jelly beans

\frac{1}{3}x+16

This was equal to 37 jelly beans

\frac{1}{3}x+16=37

This is the equation

Now solve for x

Subtract 16 from both sides

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Multiply both sides by 3

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