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Elis [28]
2 years ago
8

What is the total area of the following composite figure?

Mathematics
1 answer:
Rina8888 [55]2 years ago
4 0

Step-by-step explanation:

there is a rectangle and an octagon within

area of rectangle = 8*9 = 72

there are 4 right angled triangles

area of one such triangle = .5 × 9 = 4.5

total area of triangles = 18

area of octagon = 72-18 = 54 m^2

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Answer:

1) undefined

2) 0

Step-by-step explanation:

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3 years ago
What is the value of 7/8 ÷ 11/12
iogann1982 [59]
The value would be 0.95454545454 (well if you put it in a calculator then this would be your answer)
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Read 2 more answers
Please Answer
Lapatulllka [165]

Answer:

Part A: C. 4 to 1

Part B: 2

Step-by-step explanation:

<h3>Part A: </h3>

What is the ratio of the number of students receiving a C and the number of students receiving an A?

<u>As per table given:</u>

  • 12 students received a C and 3 students received a A

The ratio C/A is:

  • 12/3 = 4/1

The correct answer choice is:

  • C. 4 to 1
<h3>Part B: </h3>

Complete the statement:

For every student receiving a D, ______ students received a B.

<u>As per table given:</u>

  • 4 students received a D and 8 students received a B

<u>The ratio D/B is:</u>

  • 4/8 = 1/2

<u>The statement is:</u>

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7 0
2 years ago
Find the area of this figure.<br> A =
Alexxx [7]
A = 143 m^2 because the height is 11 m and the width is 13 m if you add 9+4.
7 0
2 years ago
1.)Given the recursive definition LaTeX: a_{n+1}=2\cdot a_n+1a n + 1 = 2 ⋅ a n + 1, and that LaTeX: a_1=1a 1 = 1, find LaTeX: a_
aksik [14]

Answer:

1) 1023

2) 8

Step-by-step explanation:

1)

Given:

a_{n+1}=2\cdot a_n + 1 and a_1 = 1

Then,  the next table can be computed (only the first terms are explicitely shown)

n      a_n

1       1

2      a_{2}=2\cdot 1 + 1 = 3

3      a_{3}=2\cdot 3 + 1 =7

4      15

5      31

6      63

7      127

8      255

9      511

10     1023

2)

Given

t_n=n^2-2n

Then,  the next table can be computed

n      t_n

1       t_1=1^2-2(1) =-1

2      t_2=2^2-2(2) =0

3      t_3=3^2-2(3) =3

4      t_4=4^2-2(4) =8

4 0
3 years ago
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