=1/2
you add both on each side then subtract 2 from you anser
Answer:
an = 4n +5
Step-by-step explanation:
First we need to find a common difference
d = a2-a1 = 13-9 = 4
The formula for an
an =a1+d(n-1)
an = 9 + 4(n-1)
Distributing
an = 9+4n-4
Combine like terms
an = 4n +5
Answer:
111
Step-by-step explanation:
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A = 1/2 bh
A = 1/2 (9)(5)
A = 45/2
A = 22.5
answer
22.5 cm^2
Answer:
8 ones, 4 tenths, and 5 hundredths
Step-by-step explanation:
just took the quiz
