V•w = (-7i +4j)•(-6i +5j) = (-7)×(-6) +4×5 = 42 +20
v•w = 62
Seems to be an arythmetic sequence
common difference is 3 (increases by 3 each time)
an=a1+d(n-1)
d=3
a1=8
an=8+3(n-1)
an=8+3n-3
an=3n+5
Divide 128 by 16 to get how many balloons will go on each post.
128 ÷ 16 = 8
8 balloons per post :)
Answer:
Isolate the variable by dividing each side by factors that don't contain the variable.
x = 1
