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aliina [53]
2 years ago
5

1. Find the lateral area and surface area of the given prism. Round your

Mathematics
2 answers:
KonstantinChe [14]2 years ago
8 0

Answer:

LA = 720 , SA = 780

Step-by-step explanation:

find the missing length of the triangle using Pythagoras then use this value (8) to find the surface area of the sides and the triangle.Add up the values.

lakkis [162]2 years ago
3 0

Answer:

Step-by-step explanation:

To find the lateral surface area of triangular prism, first we need to know the three sides of the triangle. Here, one side is missing and we have to find that using Pythagorean theorem. Let the unknow side of the triangle be 'c'

Pythagorean theorem,

15² + c² = 17²

225 + c² = 289

         c² = 289 - 225

         c² = 64 = 8*8

c = 8 in

a = 17 in & b = 15 in & h = 18 in

\boxed { \text{Lateral surface area = (a + b + c)*h }}

                                = ( 17 + 15  + 8 ) * 18

                                = 40 * 18

                                = 720 in²

\boxed { \text{total surface area = LSA + 2* area of base triangles}}

\text{ area of base triangles =  2* $ \dfrac{1}{2}*base*height $}

                                  = base * height

                                  = 8 * 15

                                   = 120 in²

Total surface area = 720 + 120

                                = 840 in²

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worty [1.4K]

Answer:

Option C

Step-by-step explanation:

{ (\frac{ {x}^{4} }{ {7}^{ - 8} } ) }^{ - 7}

=  \frac{ {x}^{4( - 7)} }{ {7}^{( - 8)( - 7)} }

=  \frac{ {x}^{ - 28} }{ {7}^{56} }

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3 0
3 years ago
Yellowstone National Park is a popular field trip destination. This year the senior class at High School A and the senior class
Rina8888 [55]

Each van carries 13 students and each bus carries 25 students.

<h3><u>Distribution</u></h3>

Given that the senior class at High School A and the senior class at High School B both planned trips to Yellowstone, and the senior class at High School A rented and filled 5 vans and 2 buses with 115 students, while High School B rented and filled 1 van and 6 buses with 163 students, and each van carried the same number of students and each bus carried the same number of students, to determine the number of students in each van and in each bus, the following calculation must be made:

  • 5X + 2Y = 115
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  • Y = 700 / 28
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Therefore, each van carries 13 students and each bus carries 25 students.

Learn more about distribution in brainly.com/question/14310262

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6 0
1 year ago
A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student wants an average (arithmetic mean) of ex
Juli2301 [7.4K]
To find an average you take the numbers to be averaged and add them together then You take the number and divide it by the number of numbers, in this case 4, and that gives you the average.
on this problem you want to do the opposite. you know the average she wants, an 87, so you multiply it by 4. 87*4=348. then you add the three numbers you have (88,81 and 87) and you get 256.
then you subtract 256 from 348 and you get 92. 92 is your answer to check just add 87+81+88+92=348
348/4=87
87 was the average she wanted.
Hope this helped! good luck :)
4 0
3 years ago
I need an answer to this
Ulleksa [173]

Answer:

x=3

Step-by-step explanation:

x+1*5=20

x*5=15

15/5=3

Hope this helps! :)

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3 years ago
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mojhsa [17]

Answer:

no I can't

Step-by-step explanation:

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