You can "make 10" out of either the positive number or the negative one.
13 - 8
= (10 +3) -8 = 10 +(3 -8) = 10 -5 = 5
= 13 -(10 -2) = (13 -10) +2 = 3 +2 = 5
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The latter approach would be used for computation using a soroban or abacus.
Answer:
i think the answer is A but im not sure so if your grade depends on it i would wait for someone else to answer
( i am not very good with graphing)
the answer is A the person said it worked
lol i had guessed
Step-by-step explanation:
Answer:
Step-by-step explanation:
plug in 24 for y and 9 for x, to get 24 = 9k, so k = 24/9=8/3
hope this helped:)