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Mathematics 21 Online
OpenStudy (anonymous):

What number sentence would you use to figure out what number goes in the empty box above? A. n + 10 + 3 B. n × 3 + 3 C. n × 3 × 3 D. n + 3 × 3

OpenStudy (anonymous):

OpenStudy (anonymous):

b

OpenStudy (anonymous):

because if you multiply the n's by 3 then add 3, it will laways give you the correct output

OpenStudy (anonymous):

can you help me with another one?

OpenStudy (anonymous):

sure thing

OpenStudy (anonymous):

What number sentence would you use to figure out what number goes in the empty box above? n + 21 (n - 16) × 14 n + 22 - 5 (n - 1) × 3

OpenStudy (anonymous):

that would be (n-1)*3

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

bc if you subsititute n, u get the output

OpenStudy (anonymous):

anymore?

OpenStudy (anonymous):

YES

OpenStudy (anonymous):

What number sentence would you use to figure out what number goes in the empty box above? n + 7 - 2 n × 2 - 2 n × 2 + 2 n × 2 - 3

OpenStudy (anonymous):

n*2-2

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