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Arturiano [62]
3 years ago
15

Your teacher has asked you to write a small lesson on finding the area of a regular octagon. She gives you the following diagram

and asks you to use this diagram in your lesson as an example.
Explanation of how to find the area of any regular polygon.

Calculation of the area of the regular octagon provided above. Be sure to write the formula first and to show all your work.

Mathematics
1 answer:
prisoha [69]3 years ago
8 0
I did the work for it and I got an area of  136, sorry I don't think I got it.. thought that if I told you before I left you wouldn't pin it to yourself wondering why I just left.. again, my apologies. hope you get the correct answer! :(
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Share £180 in the 4:5
marissa [1.9K]
4 + 5 = 9
£180 / 9 = £20

£20 x 4 = £80
£20 x 5 =£100

Answer:
£80 : £100

hope it helped :)
4 0
3 years ago
A boat's value over time is given as the function f(x) and graphed below. Use A(x) = 400(b)x + 0 as the parent function. Which g
ser-zykov [4K]

Answer:

Please see attached graph

Step-by-step explanation:

We know that the equation tht represents the boats avlue is given by

A(x) = 400(b)^x + 0 = 400(b)^x

A(x) = 400(b)^x

An increment in the rate of 25% a yeard is given by

b = 1.25

A(x) = 400(1.25)^x

Which graph can be seen below

3 0
3 years ago
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Fill in the blank: _ _ _ _ _ _ × _ _= 11111111
galina1969 [7]
5555555.5 × 2 = 11111111
Hope it helps!
5 0
3 years ago
2. Kelsea needs a test average of at least 90 to get an "A-" this marking period in math. Her three test grades
Luda [366]

Answer:

<u>Equation:  87 + 91 + 86 + x = 360</u>

<u>Solution: 264 + x = 360</u>

<u>x = 360 - 264</u>

<u>x = 96</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

First three Kelsea's test grades : 87, 91 and 86

2. What score must she get on her fourth test to receive at least an A- ?

Define variable:  x that represents the grade needed by Kelsea on her fourth test to receive at least an A-

Equation:  87 + 91 + 86 + x = 360

Solution: 264 + x = 360

x = 360 - 264

x = 96

<u>Now you can understand if the previous work you did is correct</u>

6 0
3 years ago
What is the variable equal to? t • 5 = 60
Tomtit [17]

Answer:

12

Step-by-step explanation:

t x 5 = 60

60/5 = 12

7 0
2 years ago
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