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guajiro [1.7K]
3 years ago
15

This is a closed plane figure formed by three or more line segments that do not cross over each other.

Mathematics
2 answers:
QveST [7]3 years ago
7 0

This is the sum of the lengths of all the sides of a polygon, expressed in linear units. These are lines that intersect to form right angles.

Komok [63]3 years ago
5 0

Answer:

polygon

Step-by-step explanation: the shape

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the brightness of the illumination of an object varies inversely as the square of the distance from the object to the source of
Free_Kalibri [48]
I=k/d^2

4=k/d^2 and 1=k/64  so if we divide the first by the second we get:

4/1=(k/d^2)/(k/64)

4=(k/d^2)*(64/k)

4=64/d^2

d^2=64/4

d^2=16

d=4 meters


3 0
3 years ago
What's 76 divided by 9 equals something or 9 / 76 equals something what's the answer easy one
zzz [600]
The answer is 76 divided by 9 equals 8.44
4 0
2 years ago
Simplify: -<br> 3<br> 2<br> (4x + 3)
Nezavi [6.7K]

Answer:

-128x-96

Step-by-step explanation:

-32x×4x -32×3

-128x-32×3

-128x-96

8 0
2 years ago
Solve -6x+3y=9, -8x+4y=12 by elimination
Lerok [7]
The answer is 678.09 plus 804
4 0
3 years ago
Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 42. How old is each sister?
xz_007 [3.2K]

Answer:

a: K = 2s

K + s = 42

b: 2s + s = 42

K = 28

s = 14

Step-by-step explanation:

1. Come up with equations based on the information given.

K = Kim

s = sister

Kim is twice of her sister -> K = 2s

When you add Kim's age to her sister's age, you get 42 -> K + s = 42

2. Substitue for K to find out the value of s

K = 2s

2s + s = 42

3. Solve for s

s = 42/3

s= 14

4. Solve for K

K = 2s

K = 2*14

K = 28

7 0
3 years ago
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