Math, asked by aditya8623, 6 months ago

how many pairs of prime numbers are there which can be used to express 20 as the sum of two prime numbers

Answers

Answered by bhavs1805

0

Answer:

3

Step-by-step explanation:

3,17

7,11

9,11

these are possible pairs

Answered by arhaan69420

0

Answer:

there are 2 pairs

Step-by-step explanation:

13,7

17,3

the one above is wrong

Previous Question

Next Question

Similar questions

Chemistry, 2 months ago

The salt used to make the cake spongy is Caustic soda Washing soda Slaked lime Baking soda...

Geography, 2 months ago

______ is a small industry...

English, 2 months ago

Rewrite the sentence inserting the missing word in the appropriate place: John as well as his younger brothers going abroad for further studies. A. as all his B. younger one brothers C. brothers, are going D. for a further...

Hindi, 6 months ago

जिसे देखने से भय लगे Chang it into one word...

Hindi, 6 months ago

यात्रा से पहले क्या-क्या तैयारियाँ करनी चाहिए, किन बाते की ध्यान रकनी चाहिए और क्या सावधानियाँ बरतनी चाहिए। Please give your answers in point, not giving 50 points for as it is. No spamming, if then reported and no points ...

English, 11 months ago

When is it okay to let your friend make a mistake...

Math, 11 months ago

what is prime number...

Math, 11 months ago

if x+1/x=6 find the value of x-1/x...