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3 years ago

10 pts...PLEASE HELP ASAP!!

Mathematics

1 answer:

rewona [7]3 years ago

5 0

Perimeter Outside: 24

Because if we know that the left side is 5in. then we know the opposite side is 5in.
Same goes for the bottom side(7 in.)

Then we can implement these numbers into this equation “x+x+y+y”

And if we do, we get “7+7+5+5”

Then the answer to the question above is “24”

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3 years ago

An exterior angle of a regular convex polygon is 40°. What is the number of sides of the polygon?

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Answer:

option B

Step-by-step explanation:

Sum of interior angles of a polygon with n sides:

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$Therefore, Each \ interior \ angle = (\frac{n - 2}{n} )\times 180$

$Sum \ of \ one \ of \ the \ interior \ angle \ with \ its \ exterior \ angle \ is \ 180^\circ$

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8 0

3 years ago

An airplane is preparing to land at an airport. It is 53100 feet above the ground and is descending at the rate of 3300 feet per

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9514 1404 393
Answer:
after 7 minutes
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Step-by-step explanation:
Here's the "pencil and paper" solution:
The two altitude equations are ...
y = 41300 -3100x
y = 2800x
They can be solved by setting the expressions for y equal to each other.
2800x = 41300 -3100x
5900x = 41300
x = 41300/5900 = 7
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The planes will both be at 19,600 feet after 7 minutes.

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3 years ago

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