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Which of the r-values satisfy the following inequality? r/2 + 5 ≤ 8

*Choose all that apply*
A ~ r = 9
B ~ r = 12
C ~ r = 15

1 Answer

1 vote
Let's solve the inequality:

r/2 + 5 ≤ 8

Subtract 5 from both sides:

r/2 ≤ 3

Multiply both sides by 2 to get rid of the fraction:

r ≤ 6

Now we can check which values satisfy this inequality:

A) r = 9: 9 is greater than 6, so it does not satisfy the inequality.

B) r = 12: 12 is greater than 6, so it does not satisfy the inequality.

C) r = 15: 15 is greater than 6, so it does not satisfy the inequality.

None of the given values A, B, or C satisfy the inequality r/2 + 5 ≤ 8.
User Dhiraka
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