12b−15>21?? How is this done? Need help ASAP
2 answers:
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Answer:
Step-by-step explanation:
the Pythagorean theorem is
c is the hypotenuse which is the side opposite of the right angle
plug the numbers into the Pythagorean theorem
when squaring a square root, just take the number in the radical and get rid of the radical
subtract 26 from both sides
find the square root of 143
143 is prime so it can just be written as
Answer:
x ≤ 1
Step-by-step explanation:
8 + 4x 12
4x 12 - 8
4x ≥ 4
Dividing both sides by 4 gives;
x ≤ 1