Start by getting all terms with x on one side and all terms without on the other.
6x+7=8x-15
subtract 6x from both sides
7=2x-15
add 15 to both sides
22=2x
divide both sides by 2
11=x
Answer: the answer would be 16 kids walk to school (10 girls and 6 boys)
Step-by-step explanation:
The baby blue whale weighs 30 pounds, since 120 divided by 40 is 30.
Answer:
an = 2/5 * (5) ^ (n-1)
Step-by-step explanation:
The common ratio is 5
(That is the number we multiply by)
The formula is
an = a1 (r) ^ (n-1)
an = 2/5 * (5) ^ (n-1)
Answer:
(
−
∞
,
∞
)
Step-by-step explanation:
