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slamgirl [31]
3 years ago
14

Find an expression for the number of colored border tiles needed for any N x N square center.

Mathematics
1 answer:
nekit [7.7K]3 years ago
7 0

Answer:

8N - 4 border tiles.

Step-by-step explanation:

There are 4 border tiles in each corner and between  the tiles there are N-2 tiles along the 4 sides.

So the number of border tiles

= 4+ 4(N - 2)

= 4 + 4N - 8

= 8N - 4.

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Given f(x)=9-2x, find f(10).<br><br> A.-11<br> B.11<br> C.29<br> D.-29
zaharov [31]

The given function is a linear function that decreases as the value of the

input <em>x</em> increases.

  • The value of f(10), given f(x) = 9 - 2·x is option <u>A. -11</u>

Reasons:

The given function is f(x) = 9 - 2·x

The output of the function is the value of f(x) for a given input <em>x</em> of the function.

The input value, <em>x</em> is substituted into the function to obtain the output value, f(x).

Given that the input, x = 10

We have;

f(10) = 9 - 2×10 = -11

Therefore, the correct option for f(10) is <u>A. -11</u>

Learn more about functions here:

brainly.com/question/10781304

7 0
2 years ago
Read 2 more answers
Jane purchased x number of sweaters for $60. Each sweater was on sale for the same price. Which expression represents the price
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Answer:

X Divided by 60

Step-by-step explanation:

It should be x divided by 60

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