Answer:
Step-by-step explanation:
the formula for an arithmetic sequence is
a, a+d,a+3d,a+3d etc, where d is the common difference
we have the terms -6, 13,23
first term is -6
-6+19=13
however, 13+10=23
this is not an arithmetic sequence
Answer:
Quartz, Cups
Step-by-step explanation:
1 gallon = 16 cups
1 quartz = 4 cups
1 pint = 2 cups
1 fluid ounce = 1/8 cups
Download photo math, it helps quicker! step by step.
Formula: Distance = rate * time
570 = (R+(R-18))*3
570 = (2R - 18)*3
190 = 2R-16
208 = 2R
R = 104
Eastbound Train: 86mph
Westbound Train: 104mph
