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galben [10]
2 years ago
10

I'm confused on how to find the surface area of a triangular prism​

Mathematics
1 answer:
Vinvika [58]2 years ago
6 0

Answer:

The general formula for the total surface area of a right prism is T. S. A. =ph+2B where p represents the perimeter of the base, h the height of the prism and B the area of the base.

Step-by-step explanation:

hope this helps

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Find the surface area and the volume of the figure <br> Round to the nearest tenth if needed.
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Answer:

  • See below

Step-by-step explanation:

<u>Surface area:</u>

  • S = 2(lw + lh + wh) + 2πrh
  • S = 2(9*4 + 9*5 + 4*5) + 2*3.14*2*3 = 239.7 cm² (rounded)

<u>Volume:</u>

  • V = lwh + πr²h
  • V = 9*4*5 + 3.14*2²*3 = 217.7 cm³ (rounded)
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Describe in words how to graph the line y=3
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A restaurant customer left a $3.50 as a tip. The tax on the meal was 7% and the tip was 20% of the cost including tax. (Complete
Maru [420]

Answer: 17.50

Step-by-step explanation:

20% of x = 3.50

(20/100) x = 3.50  Divide top and bottom of the left number by 20

(20÷20) / (100÷20)  *  x = 3.50

(1/5) x = 3.50           Multiply both sides by 5  

x = 3.50 * 5

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The meal cost 17.50

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Suppose the population of a town is 17,400 and is growing 2% each year.
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Answer: 20,532

Step-by-step explanation:

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348(9)=3132

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A ball is chosen at random from a bag containing 150 balls that are either red or blue and either dull or shiny. There are 36 re
tino4ka555 [31]

Answer:

The probability of the chosen ball being shiny conditional on it being red is; 0.375

Step-by-step explanation:

Let A be the event that a red ball has been chosen

Let B be the event that a shiny ball has been chosen

Let S be the total outcomes = 150 balls

Thus;

P(A ∩ B ) = 36/150

A ∩ B' = 150 - 36 - 54

A ∩ B' = 60

Thus; P(A ∩ B') = 60/150

P(A') = 54/150

P(A) = (150 - 54)/150 = 96/150

Thus, probability of the chosen ball being shiny conditional on it being red is;

P(B | A) = P(B ∩ A)/P(A)

Thus; P(B | A) = (36/150)/(96/150)

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