-3.8 + (-1.7) = -3.8 - 1.7
-5.5 the answer is D
Answer:
11+2n
Step-by-step explanation:
Arithmetic sequence=a+(n-1)d
a=first number
n=nth term
d=difference
a=9
n=?
d=-2
So let's solve
9+(n-1)(-2)
9+(2n+2)
9+2n+2
Collect like terms
9+2+2n
11+2n
So the nth term is 11+2n
Answer:
Answer c is your correct answer just answered it on edmentum mark me brainliest
Step-by-step explanation:
1 + 1 + 1 + 2 = 5
5 x 9 = 45
Therefore, the total number of km is 45.
Answer:
x^2-16
Step-by-step explanation:
A= (b)(h)
A= (x+4)(x-4)
x^2-4^2
x^2-16