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kogti [31]
3 years ago
15

In a group of 20 students, 5 of them wear

Mathematics
1 answer:
il63 [147K]3 years ago
8 0

Answer:

15 of them do not wear glasses

Step-by-step explanation:

20-5=15

Hope this helps. Have a great day :)

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1. composite number any number that is not a prime number 2. even number number that divides evenly into another number 3. facto
Whitepunk [10]

1. A composite number is a number that has more than 2 factors. 2. An even number is a number that has 2 as one of its factors. 4. Odd numbers may have many factors but 2 cannot be one of them. 5. Prime number canoot be divisible by 2 because the only factors they have are one and itself.

7 0
3 years ago
The perimeter of a convex pentagon is 15 feet. What is the effect on its perimeter if each side is doubled?
Ad libitum [116K]

Answer:

If  each side of pentagon is doubled then its perimeter will also be doubles. The new perimeter is 30 feet.

Step-by-step explanation:

Let the length of all five sides of pentagon = <em>v, w, x, y</em>, and <em>z</em>.

Perimeter of pentagon = Sum of lengths of its all five sides = (<em>v + w + x + y + z</em>) = 15 feet

If each side of pentagon is doubles then,

New perimeter of pentagon = (2<em>v + </em>2<em>w + </em>2<em>x + </em>2<em>y + </em>2<em>z</em>)

= 2 (<em>v + w + x + y + z</em>)

= 2 (15)

= 30 feet

Therefore, if each side of pentagon is doubled then its perimeter will also be doubled.

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Answer:

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Step-by-step explanation:

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