## Beautiful_Lier96 2 years ago 1.According to the rule in a certain soccor leage, the mass of the ball should be 430 grams plus or minus 20 grams. which absolute value inequality describes m, the mass of the ball in grams that satisfies the rule? A: |m-20| ( < or = ) 430 B:|m+20| ( < or = ) 430 C:|m-430| ( < or = ) 20 D:|m+430| ( < or = ) 20 My choice is D. @KonradZuse may you check and see if so ? if so can you tell me ive doone wrong ?

I believe your choice is incorrect. Lets look at it this way. m SHOULD = 430. They want m +/- 20 so that's 410<430<450. This Q is set up funky tho...

so if we want m +20 or m -20 which choices do we look at?

Still here?

4. Beautiful_Lier96

A and B. sorry was doin somethin. @KonradZuse so if its post to be plus or minus 20 grams what sign would it take ?

Well see this is the confusing part. |m - 20| = ? is that ( < or = ) 430?? |m +20| ( < or = ) 430???

6. Beautiful_Lier96

yea

What happened to this?

8. Beautiful_Lier96

i totally confused myself

It's okay. Like I said what is |m-20| and |m+20|? Which one is less than, or equal to 430?

10. Beautiful_Lier96

both of thejm say less than, or ewaul to 430

yes, but wehat is m-20? what is m+20? Which is is less than or equal to 430?

12. Beautiful_Lier96

m- 20. because it would turn into 410

13. Beautiful_Lier96

yes, correct.

15. Beautiful_Lier96

thank you very much. i had thought it would be B untill now. do you think you can help me with my other question also ?