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katrin [286]
3 years ago
9

Find the perimeter of the following regular polygons 1.An equilateral when the length of one side is 3.5cm​

Mathematics
1 answer:
devlian [24]3 years ago
7 0
P=10.5cm
Explanation:
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stich3 [128]

Answer:

C

Step-by-step explanation:

Let f(y)=x.

x=\frac{1}{3}-\frac{1}{21}y \\ \\ x-\frac{1}{3}=-\frac{1}{21}y \\ \\ y=-21x+7 \\ \\ f^{-1}(x)=-21x+7

4 0
1 year ago
Simplify 9 − (−4). (1 point) a −13 b −5 c 5 d 13
Assoli18 [71]

Answer:

d 13

Step-by-step explanation:

Subtracting means adding the opposite.

To subtract -4, you add the opposite of -4 which is 4, so you add 4.

9 - (-4) = 9 + 4 = 13

Answer: d 13

7 0
3 years ago
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A 40 ​-inch board is to be cut into three pieces so that the second piece is 4 as long as the first piece and the third piece is
pav-90 [236]

Answer:

4*4=16 INCHES FOR THE SECOND PIECE. 5*4=20 INCHES FOR THE LONGEST PIECE.

Step-by-step explanation:

6 0
3 years ago
Help please it says choose all answers that apply
Anestetic [448]

Answer:

x = 1

x = 0

x = 1 1/4

Step-by-step explanation:

x = 1

x = 0

x = 1 1/4

The < sign means less than. -1/4 is less than 1, 0, and 1/4, and more than -3/4 and -1. So, 1, 0, and 1 1/4 are the right answers.

<em>Hope that helps!</em>

<em>-Sabrina</em>

8 0
3 years ago
A bag contains tiles with the number 1,3,5,7, and 9.What is the probability of taking out a tile with an even number
kicyunya [14]
Well there are no even numbers in there, so the probability of taking one out must be 0
8 0
3 years ago
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