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Yuliya22 [10]
2 years ago
13

Help me plzz!!!! thank you

Mathematics
2 answers:
Maurinko [17]2 years ago
6 0

Answer: The first one is  144 .   The second one is   C.

Step-by-step explanation:

Debora [2.8K]2 years ago
4 0

Answer:

1) Full surface area = 156unit^2 this is correct.

lateral surface area = 144unit^2, this wasn't asked.

2) C = 528unit^2 is correct.

Lateral = 480unit^2 this wasnt asked.

Step-by-step explanation:

yes the next one is C 528

<em>The formula for finding the surface area is the same for all right prisms and is: </em><em>Surface area = 2B + hP. </em><em>In this formula, B is the area of one of the bases, while h is the prism's height, and P is the perimeter of the base.</em>

In effect;

step 1 = parallel sides indicate the bases of all triangular prism

step 2 = perimeter = 3+4+5 = 12

step 3 = LA = P x H = P x Length which is lateral height

              LA = 12 x 12 = 144

step 4 = SA = 1/2 b x h (height of triangle) +LA

             SA = 1/2 4 x 3      + LA

             SA = 2 x 3 = 6 = 1 base + LA   (+base)

             SA = 6+6 = 12 + 144  = 156 = 2b+LA

IF you remember LA is perimeter x length of prism but label L as H then use little h for triangle h. You can remember.

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Step-by-step explanation:

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Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
  3. Exponents
  4. Multiplication
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<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 6x - 4

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<u>Step 2: Find f(x) + g(x)</u>

  1. Substitute in functions:                                                                                     f(x) + g(x) = 6x - 4 + (-5x + 24)
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Answer:

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