Answer:
0.50
Step-by-step explanation:
The chance is the same no matter what happens on each roll, the chance of it landing is always 50% because half the numbers on the dice are even (2,4,6).
Answer:
#1 The balance after 21 months is $9960.
#2 $1,360
#3 The total cost of boring the 750 meters is $37,700.
Answer: 187
Step-by-step explanation:
negative cancels negative so that will turn to positive. (-) x (-) = +
100- (-87)
=
100 + 87
= 187
Answer:
6
Step-by-step explanation:
1. re-write the given system:
cx+3y=c-3; => y= -cx/3 +(c-3)/3
12x+cy=c; => y= -12x/c+c/12
2. according the condition the rule for the parallel graphs is:
-c/3= -12/c
3. to calculate the unknown 'c':
c²=36; ⇔c=±6
