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Leto [7]
3 years ago
12

Which one of the following groups of numbers includes all prime numbers? A. 7, 17, 63, 67 B. 3, 11, 23, 31 C. 1, 3, 11, 23 D. 2,

3, 5, 15
Mathematics
2 answers:
olganol [36]3 years ago
7 0
The prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

A.
7 - is a prime number
17 - is a prime number
63 - is not a prime number because 63 = 3 × 21

B.
3 - is a prime number
11 - is a prime number
23 - is a prime number
31 - is a prime number

C.
1 - is not a prime number

D.
2 - is a prime number
3 - is a prime number
5 - is a prime number
15 - is not a prime number because 15 = 3 × 5
DochEvi [55]3 years ago
4 0

Answer:

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Step-by-step explanation:


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amid [387]
Okay first set up the equation

 x
---      -2     = 5.5
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add over the 2

 x
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3 years ago
REPOST!!!!!! 20 POINTS!!!!!!
kkurt [141]

Answer:

A

Step-by-step explanation:

according to tangent property

we get

  • AM=BM
  • AN=CN
  • BK=CK

Given that

  • AM=6
  • BK=4

Thus our equation is

\rm \displaystyle 2AM + 2AN + 2BK = 34

substitute the given values

\rm \displaystyle 2.6+ 2AN+ 2.4 = 34

simplify multiplication:

\rm \displaystyle 12+ 2AN+ 8 = 34

simplify addition:

\rm \displaystyle 2AN+ 20= 34

cancel 20 from both sides:

\rm \displaystyle 2AN=14

divide both sides by 2:

\rm \displaystyle AN=7

AN=CN

hence,CN=7

therefore our answer is A

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Read 2 more answers
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