200+40=240
each train cost 10
take 240/10=24trains
The answer would be 68000 you can find it easily by moving the decimal to the right if the exponent is positive if its negative move it to the left.
Answer:
x=0.129171
x=3.87083
Step-by-step explanation:
Answer:
B. 31.62
Step-by-step explanation:
First, find the distance of the line using the distance formula, 
. Plug the two points (-1,0) and (5,2) into the formula and solve. This gives you 6.32, then this is only one line of a pentagon, which has 5 sides, so you need to multiply. Since you are finding the perimeter, which is all of the sides added together, multiply the one side by 5. 6.32*5=31.62.
