Answer:
56
Step-by-step explanation:
The n th term of an AP is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Given a₆ = 17 and a₁₃ = 38, then
a₁ + 5d = 17 → (1)
a₁ + 12d = 38 → (2)
Subtract (1) from (2) term by term to eliminate a₁
7d = 21 ( divide both sides by 7 )
d = 3
Substitute d = 3 into (1) and evaluate for a₁
a₁ + 5(3) = 17
a₁ + 15 = 17 ( subtract 15 from both sides )
a₁ = 2
Thus
= 2 + (18 × 3) = 2 + 54 = 56
Answer:
5
Step-by-step explanation:
23 - 10 = 13
13 - 8 = 5
Answer:
678.24 in³
Step-by-step explanation:
radius r = 6 in
height h = 6 in
volume V = 678.24 in³
lateral surface area L = 226.08 in²
top surface area T = 113.04 in²
base surface area B = 113.04 in²
total surface area A = 452.16 in²
In Terms of Pi π
volume V = 216 π in³
lateral surface area L = 72 π in²
top surface area T = 36 π in²
base surface area B = 36 π in²
total surface area A = 144 π in²
Agenda: r = radius
h = height
V = volume
L = lateral surface area
T = top surface area
B = base surface area
A = total surface area
π = pi = 3.1415926535898
√ = square root
Calculate volume of a cylinder:
V = πr²h
Answer
the answer would be C
Step-by-step explanation:
