Question

i will medal
Sally made the conjecture that the sum of any two prime numbers is a prime number.



Which equation is a counterexample to her conjecture?



A.


2 + 5 = 7


B.


2 + 11 = 13


C.


15 + 4 = 19


D.


3 + 11 = 14

Answer 1

what do you think?

Answer 2

i have no idea

Answer 3

1 sec k?

Answer 4

take a guess

Answer 5

I would say D and my answer is explained here http://openstudy.com/study#/updates/546565cde4b0d1b198de8e68

Answer 6

thanks

Answer 7

im back i agree with Michael_Clifford_Girl

Answer 8

np and thx

Answer 9

@megax nice profile picture im a fan of fnaf

Answer 10

what fav animatronic

Answer 11

Foxy

Answer 12

myn are golden freddy and spring trap i also like the purpleman and the cryingchild from fnaf 4

Answer 13

ya but the minigame is sad because a older brother killes a younger one i also like mangle and bonnie and chica basacally all of them :)

Answer 14

wait springtrap is purpleman

Answer 15

:P i know i came out of nowhere but i like mangle ^0^

Answer 16

lol there all pretty cool

Answer 17

lol and thats why i like purpleman

Answer 18

ya nightmare kinds kinda through me off and fnaf4 is wat got me scared to death again but none of them scare me anymore lol :P

Answer 19

@Michael_Clifford_Girl what school do you go to and which grade?

Answer 20

same like fredbear is scary af ;3;

Answer 21

lol nightmare is terrafing at first sight and nightmare ballonboy is just his inner self he realy is satan

Answer 22

8th and k12

Answer 23

we all go to k12 and only 2 go to 6th next though i wont be in k12 but ill still use openstudy because i like the sight and i can make new friends like you guys

Answer 24

why not use k12 next year

Answer 25

same in 9th im getting out of k12. k12 is so stressful in my opinion

Answer 26

:c my teachers stress me out to the max

Answer 27

same and im living on Hawaii,Oahu

Answer 28

yea but its good in some ways like Thursdays are always small

Answer 29

except in a differ stress my teacher is mi mum

Answer 30

typo sorry my mom

Answer 31

I live in wyoming :/ my language teacher is so strict

Answer 32

ouch grammar cop

Answer 33

well da gramma cup no fuuun looooool :P

Answer 34

cop not cup ;3; lol

Answer 35

thanks for fanning me

Answer 36

xD

Answer 37

brb

Answer 38

that's like saying iron can instead of iron man

Answer 39

lolol

Answer 40

I ALWAYS CALL HIM IRON CAN XD

Answer 41

haha

Answer 42

to annoy my brother

Answer 43

;] im so nice

Answer 44

(JOKER) BATFACE!

Answer 45

#RANDOM

Answer 46

baightman and smoker lol

Answer 47

shmoker is wat i meant

Answer 48

XD YES

Answer 49

XD diparman for superman

Answer 50

greenbanner

Answer 51

who is shmoker

Answer 52

GENIUS *0*

Answer 53

for greenlanter

Answer 54

:] brb gotta annoy Dan

Answer 55

dantdm

Answer 56

shmoker joker batman baightman lol :P

Answer 57

lol

Answer 58

your his twin that wrecked the lab OOOOOOOHHHHHHH NNNNNNNOOOOOO GRIM TRAY SAVE YOURSELVES

Answer 59

oh and the iron can thing was from a video vannosgaming made on mod prop hunt

Answer 60

xD back

Answer 61

oops gmod

Answer 62

the twin brother who wrecked the lab

Answer 63

:[ I have a sore jaw now

Answer 64

xD

Answer 65

OOOHH NOO GRIM TRAY SAVE YOURSELVES

Answer 66

XD LOL

Answer 67

its a me retarded mario from smg4s vidios #RANDOM

Answer 68

its a me a fartio

Answer 69

:3 im gonna play roblox here soon ^0^

Answer 70

ooohhhhh you have it 2

Answer 71

i have 2 accounts

Answer 72

roblox? :P

Answer 73

ya

Answer 74

I use my younger sisters account :P my account was banned :c

Answer 75

sister's*

Answer 76

@megax do you have roblox

Answer 77

oh @Michael_Clifford_Girl you can just make a new one

Answer 78

did not now i quit the updates have had two virises

Answer 79

I know but I spent 300 dollars on my other one so i just took my sisters ;3

Answer 80

what?

Answer 81

really?

Answer 82

it was my moms idea

Answer 83

oh :P

Answer 84

oh hey @Michael_Clifford_Girl I can make on for you and message da user and password to you

Answer 85

do either of you have oovoo

Answer 86

what that

Answer 87

like facetime but better by a bit

Answer 88

what facetime?

Answer 89

all i got is skype

Answer 90

wait do you have an ipod ipad iphone from apple

Answer 91

nope

Answer 92

just a pc

Answer 93

its like skype 2 but a bit better i think and i dont have skype

Answer 94

what about vent

Answer 95

aka ventrilio

Answer 96

ohh great because you can download it on your pc :) i did

Answer 97

whats dat