Answer:
4.05
Step-by-step explanation:
multiply the following
add the sum (3.5+0.55)
you'll get 4.05
There are many theories and measurement for the speed of light. It is believed that light travels at 299,792 km per second. In the earlier day philosopher Aristotle believed that light didn't travel but happens instantaneously. Therefore, for Galileo and his assistant to be only 1km apart, I would have to agree with Aristotle theory of light traveling instantaneously.
Step-by-step explanation:
2x-12x+36 =90
-10x + 36 = 90
-10x =54
x = - 5.4
Answer:
anything above 7 or not equivalent to 7 can be the answer
Step-by-step explanation:
8÷7=a undifined number but if it is 7÷7 its 1 and if you got 7÷1 it is 7 so anything other than those answers should be it
Answer: Option d.
Step-by-step explanation:
The trigonometric identity needed is:
Knowing that :
Substitute it into :
Simplify the expression:
Solve for . Apply square root at both sides of the expression: