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snow_lady [41]
3 years ago
11

A stop sign is in the shape of a regular octagon. Each side measures 12.4 inches and the apothem of the octagon measures 15 inch

es. What is the area of the stop sign?
Mathematics
2 answers:
saul85 [17]3 years ago
7 0
744 square inches octagon area
Nikolay [14]3 years ago
6 0
The 8 sides of the regular octagon are all the same length, so the perimeter of it is 8*(12.4 in) = 99.2 in.

The area of a regular polygon is half the product of the perimeter and the apothem.
  area = (1/2)(99.2 in)(15 in) = 744 in²

The area of the stop sign is 744 in².
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The probability of randomly drawing either a red marble or a green marble is 80%

The probability of drawing a green marble is the same as the probability of drawing either a red or a blue marble.

3 out of 4

<em>Have a great night!</em>

3 0
3 years ago
Write in slope intercept form an equation of the line that passes through the given points. (-1,7) , (3,-1)
Tcecarenko [31]

Answer! :

y = -2x + 5

Step by Step! :

slope intercept form:

y = mx + b

m being slope, b being the y intercept.

To find the slope, use this equation:

y^2 - y^1 / x^2 - x^1

Plug in your points.

(-1) - (7) / (3) - (-1)

-8 / 4

-2 is your slope! (y = -2x + b)

To solve for b, plug in any one of your points and solve for b. Let's use (3, -1)

-1 = -2(3) + b

-1 = -6 + b

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Your new equation is...

y = -2x + 5

6 0
2 years ago
Determine the area of each circle need to use 3.14 for pi and round to the nearest tenth
maks197457 [2]

Answer:

2461.8 in²

Step-by-step explanation:

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Using r=28 and π=3.14:

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5 0
2 years ago
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Clio Is 1/5 L of water. He pours equal amounts of water into 3 cups how many liters of water are in each cup
oksano4ka [1.4K]

Answer:

1/15 L

Step-by-step explanation:

1/5 x 3

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Alenkinab [10]

Answer:

Kela will be able to travel for 7 stops before her money runs out.

Step-by-step explanation:

Since Kela wants to visit a friend who lives 8 kilometers away, and she'll ride the subway as she can before walking the rest of the way, and she needs to buy an access pass that costs $ 5.50 and there is also a fee of $ 1.25 for each stop, if Kela doesn't want to spend more than $ 15 on the trip, to determine the largest number of stops she can afford, the following calculation must be performed:

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9.5 / 1.25 = X

7.6 = X

Therefore, Kela will be able to travel for 7 stops before her money runs out.

4 0
3 years ago
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