Answer:
The correct answer is B
Step-by-step explanation:
The blue line points to the left and has a closed circle, so the value of <em>x </em>has to be less than or equal to -4.
See also
brainly.com/question/8975313The decay factor is 1/2.
The change is (1/2 -1)*100% = -50% per period. Negative indicates a decrease of 50% per period.
2/5 ...........................
I think the answer would be 9t.
Every triangle equals 180 degrees, and we're trying to find the angle of DBA. So, we can identify DAB as a 90 degree angle to start. Then we can identify that ACB = ADB, meaning ADB is 30 degrees. With that information, we have this equation:
DBA = 180 - 90 - 30
DBA = 60