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zhannawk [14.2K]
2 years ago
6

Jonah calculates that the perimeter of the rectangle below is 6 1/4x - 3. Explain his error and include the correct expression.

Mathematics
1 answer:
Natalka [10]2 years ago
3 0

Answer:

Jonah left out the other two sides!

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Gemiola [76]

Answer:

When you see a formula like this, try to operate, so you will see some identities sooner or later. In this case, we have a substraction identity:

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Step-by-step explanation:

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See photo for solution

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Answer:

247/612 bpm

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kompoz [17]

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mars1129 [50]
Area of rectangle = l*w
Area of triangle = (1/2)*l*w

Based on the figure:

Area of triangles = 2*(1/2)*l*w
= 2*(1/2)*24*14 = 336 cm^2

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To find the total surface area, you would add all of the sides together:

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