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Slav-nsk [51]
3 years ago
5

What is an expression equivalent to 4d-4?

Mathematics
2 answers:
hoa [83]3 years ago
8 0

4(d-1), if you expand it gets 4d-4.


irga5000 [103]3 years ago
8 0

Answer:

4 ( d - 1 )

Step-by-step explanation:

You just have to factorize ;)

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Answer:

  A) 24 ft³

Step-by-step explanation:

The area of the right triangle base is ...

  A = (1/2)(3)(4) = 6 ft²

The volume of the triangular prism is the product of the area of its base (6 ft²) and its height (4 ft).

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_____

<em>Comment on the triangle</em>

You know the 3-4-5 triangle is a right triangle, because you have seen those numbers many times in relation to the Pythagorean theorem. If you don't know that, then you can check to see by using the Pythagorean theorem:

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  25 = 9 + 16 . . . . . true; so the triangle is a right triangle

In any event, there are other means for finding the area of the triangle based on the lengths of its sides. You will get the same area result.

Using Heron's formula, s = (a+b+c)/2 = (3+4+5)/2 = 6.

  A = √(s(s -a)(s -b)(s -c)) = √(6(3)(2)(1)) = √36 = 6 . . . . area of base triangle

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») Evaluate the expression for c = 4 and d = 11.<br> C + d =
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