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Evgen [1.6K]
3 years ago
9

Estimate the area of each figure. each square represents 1 square foot.

Mathematics
2 answers:
maksim [4K]3 years ago
8 0
I thinks it’s 25ft ^2
Hitman42 [59]3 years ago
6 0

Answer:

12 ft^2

Step-by-step explanation:

If you split up the 4 triangles you would have 8 right triangles

To solve for 1 right triangle you use the formula : 1/2 • l • h

1/2 • 1 • 2 = 1

Since there’s 8 right triangles you do:

8 • 1 = 8

Now the inner shape (a square):

2 • 2 = 4

Add up the areas:

8 + 4 = 12

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2 years ago
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A convex polyhedron has (a + 3) faces, (2a) vertices, and (4a – 1) edges. What is the value of a? a =
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Number of faces: F=a+3
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V+F-E=2
Replacing V=2a; F=a+3; and E=4a-1 in the formula above:
(2a)+(a+3)-(4a-1)=2
Eliminating parentheses:
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4 0
3 years ago
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Find asypmtotes and zero of f(x)=6x/x^2-36
Alona [7]

Answer:

um

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4 0
2 years ago
1.) 268 = 4x - 8(5 - 5x)
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I think? Sorry if I got something wrong!
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