Is 68 a prime or composite number?
2 answers:
First, you must know the definition of prime number which is any number above one that has no factors other than 1 and itself (examples: 2,3,5,7,etc) and composite has the opposite meaning So look at the factors of 68: 1,2,4,17,34,68 It has factors other than 1 and itself So that means 68 is a composite number
The number 68 is a composite number because 68 can be multiplied by 2 and 34 and 4 and 17
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(2x² - 8x - 10) ÷ 2 = 0 x² - 4x - 5 = 0 x² + x - 5x - 5 = 0 x(x+1) - 5(x+1) = 0 (x+1)(x-5) = 0 x+1 = 0 or x-5 = 0 x = -1 or x= 5 S = {-1;5}
Answer:
2a+8
Step-by-step explanation:
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There are 12 outcomes. The coin can land on either heads or tails, and then you can extract any number from 1 to 6 from the box. So, the outcomes are
Heads, 1 Heads, 2 Heads, 3 Heads, 4 Heads, 5 Heads, 6 Tails, 1 Tails, 2 Tails, 3 Tails, 4 Tails, 5 Tails, 6
Answer:
12x + 15y=34
x=34/12 = 17/6
y=34/15
____________________
-6x + 5y=3
x=3/-6 = 1/-2
y= 3/5
Step-by-step explanation: