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KATRIN_1 [288]
3 years ago
9

Which square number below 100 also prime numbers?

Mathematics
1 answer:
AnnZ [28]3 years ago
4 0
There's no this kind of number because when a number is a square number, it equals its square root multiplies itself, which contradicts with the definition of prime number (<span>A </span>prime number<span> is a natural </span>number <span>greater than </span>1<span> that has no positive divisors other than </span>1<span> and itself)</span>. There's only 1=1×1, but since 1 isn't included in prime number, there's no answer to your question. 
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Wewaii [24]
Each team needs two people for a 3-legged race.
Therefore, the number of orders (combinations) of 2 people at a time from 8 is
₈C₂ = 8!/(2!6!)
      = (8*7*6!)/(2*6!)
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      = 56/2
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Answer: 28
8 0
3 years ago
10.1 and 10.15 witch one is greater
RUDIKE [14]

Answer:

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Step-by-step explanation:

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~

6 0
3 years ago
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poizon [28]

Answer:

D

Step-by-step explanation:

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1 people = 15/4 = 3.75

so, 6 people = 3.75 × 6

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7 0
3 years ago
The length of a rectangle is 8 feet more than its width. If the width is increased by 4 feet and the length is decreased by 5 fe
alexgriva [62]
Let the width be x.

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x(x + 8) = (x+4)(x +3)

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x² + 8x =   x² +7x +12        Eliminate x² from both sides

8x = 7x + 12

8x - 7x = 12

x = 12

Dimensions of original rectangle :  x,  x + 8

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3 years ago
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Tema [17]
The answer is the first option

6 0
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