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elena-s [515]
3 years ago
13

The perimeter of a triangle is

Mathematics
1 answer:
Firlakuza [10]3 years ago
5 0

Answer:

Side\ 3 = 6x - 7

Step-by-step explanation:

Given

Perimeter = 17x - 5

Side\ 1 = 3x + 5

Side\ 2 = 8x - 3

Required

Determine the length of the third side

The perimeter of a triangle is calculated as thus:

Perimeter = Side\ 1 + Side\ 2 + Side\ 3

Substitute values for Perimeter, Side 1 and Side 2

17x - 5 = 3x + 5 + 8x - 3 + Side\ 3

Collect Like Terms

17x - 5 = 3x + 8x + 5 - 3 + Side\ 3

17x - 5 = 11x + 2 + Side\ 3

Solve for Side 3

Side\ 3 = 17x - 11x - 5 - 2

Side\ 3 = 6x - 7

<em>Hence, the length of the third side is 6x - 7 units</em>

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Step-by-step explanation:

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3 years ago
On a map the distance between rip and Janeiro Brazil and San Jose Costa Rica is 4 inches.the scale on the map shows that 1 inch=
Vera_Pavlovna [14]

Answer:

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The Distance from Rio de Janeiro and San Jose Costa Rica is then found as  800 miles

Step-by-step explanation:

The dimension of the distance between Rio de Janeiro and San Jose Costa Rica = 4 inches

The map scale = 1 inch to 200 miles

To figure out how many miles it is or the actual distance from Rio de Janeiro and San Jose Costa Rica, we have;

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3 years ago
Allison is evaluating the expression -5-(-2) using integer tiles. She begins with 5 negative tiles as shown
elena-s [515]

Answer:

its B. -3

Step-by-step explanation:

Remove 3 negative tiles .

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