Answer: x=20
all angles in the triangle are 180 degree, so:
2x+3x+4x=180
9x=180
divide both sides by 9
x= 20
Answer:
6
Step-by-step explanation:
I'm so sorry...i solved this on a calculator so i'm not so sure how to explain once again i'm sorry.
I believe the answer is D
U can multiply on some answers but some are trick questions
Answer:
8.898% will remain after 20000 years.
Step-by-step explanation:
First week need to know the half-life of carbon-14.
In this case it's 5,730 years.
There are calculators available online. (I'm too lazy to run through the equation.) 8.898% will remain after 20000 years.
