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Goryan [66]
3 years ago
7

Nevermind i got the answer

Mathematics
1 answer:
Gwar [14]3 years ago
3 0

Answer:

Good job! :)

Step-by-step explanation:

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The length of a rectangular portrait is 2.5 time the width. The perimeter is 28 what is the length of the portrait
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Answer:

Step-by-step explanation:

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Find the surface area of a pyramid, explain in detail.
aivan3 [116]

Answer:

SA = 52900 + 2300√1313 m²

Step-by-step explanation:

The equation of the surface area of a pyramid:

SA = area of base + 0.5 * perimeter of base * slant height

1. Area of the base: Since it's a square base, 230² m² = <em>52900 m²</em>

2. Perimeter of the base: The base is square, 230*4 m = <em>920 m</em>

3. Slant height: 115² + 140² = h² --> h² = 32825 --> h = <em>5√1313 m</em>

Plug in: SA = 52900 + 0.5 * 920 * 5√1313

Multiply: SA = 52900 + 2300√1313 m²

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3 years ago
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Answer: i think it would be D

Step-by-step explanation:

7 0
3 years ago
Neil eats 1/2 of an apple in 1/6 of a minute. How much time, in minutes, does it take him to eat a full apple? Type your answer
riadik2000 [5.3K]

Answer:

<u>20</u> seconds

Step-by-step explanation:

He eats 1/2 of the apple in 10 seconds, meaning he eats the whole apple in <u>20</u> seconds.

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Simplify the expression:<br> (3k + 2)(4)=
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Answer:

12k+8

Step-by-step explanation:

(3k+2)x4

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12k+8

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2 years ago
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