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rosijanka [135]
2 years ago
15

Which side lengths form a right triangle?

Mathematics
2 answers:
Ainat [17]2 years ago
8 0

Answer:

B and C

Step-by-step explanation:

Side lengths of 4, 8, and 12 do not form a right triangle. According to the Pythagorean Theorem, a² + b² = c². In this theorem, "c²" represents the largest side (c) squared

kakasveta [241]2 years ago
7 0

Answer:

C) 2,2,2.82842712

Step-by-step explanation:

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3. Which expression is equivalent to 1+2(x-1)
padilas [110]

Answer:

<em>2x - 1</em>

Step-by-step explanation:

<u>Equivalent Algebraic Expressions </u>

One algebraic expression can be written in several ways by applying known rules and theorems that modify expressions without changing its final value.

The expression:

1 + 2(x - 1)

Can be modified by applying the following operations:

Multiplying the constant by the contents in parentheses:

1 + 2x - 2

Collecting like terms:

-1 + 2x

Or, equivalently:

2x - 1

8 0
3 years ago
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liq [111]

Answer:

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3 years ago
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Harlamova29_29 [7]

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Step-by-step explanation:

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2 years ago
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saveliy_v [14]

Answer:

8.50

Step-by-step explanation:

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5 0
2 years ago
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The length of a rectangular portrait is 1.5 times the width. The perimeter is 10 feet.
disa [49]
In order to solve the problem above, represent the width by x. With this, the length of the rectangular portrait is 1.5x. The perimeter of the rectangle is two times the sum of the length and width. This translates to, 

                                    2 (1.5x + x) = 10 ft, x = 2 ft.

Thus, the length of the rectangular portrait is 3 ft. 
8 0
3 years ago
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