B and D are both rational.
A rational number is a number that can be represented as a ratio fo two integers.
-7/3 is rational because both -7 and 3 are integers. 2.777... equals 25/9. 25 and 9 are both rational numbers.
Hahah it’s funny how there was another one of these in my feed after I just answer on the other one. HAVE A NICE DAY :)
Answer:
Step-by-step explanation:
1) q=90/180=45/90=...=1/2;
2) the formula of the n-th term of the given sequence is:
3) according to the formula 15th term is:
or ≈0.011.
You have to use the Pythagorean theorem a squared plus b squared is c squared so 13 squared plus 18 squared equals c squared. 13x13=169 18x18=324 169+324=493 so c squared is 493 to get c you square root 493 which equals 22.2 so the diagonal, c, is 22.2 centimeters long
