Answer:
-4
Step-by-step explanation:
-36v+42=186
-36v=144
v=-4
Answer: 63/2π
Step-by-step explanation: C=πd
63=πd
D=63/π
r=1/2d
1/2×63/π=<u>63/2π</u>
For the first 60 positive integers, a = 1, n = 60, l = 60.
Sn = n/2(a + l)
s = 60/2(1 + 60) = 30(61)
For the next 60 positive integer, a = 61, n = 60, l = 120
Sum = 60/2(61 + 120) = 30(61 + 120) = 30(61) + 30(120) = s + 3600
Sum of first 120 positive integers = s + s + 3600 = 2s + 3600
Answer:
80km in 4/5
Step-by-step explanation:
60km × <u> </u><u> </u><u> </u><u>3</u><u> </u><u> </u>= 15×3=45
4
80km × <u> </u><u> </u><u> </u><u>4</u><u> </u><u> </u>= 16×4 =64
5
64 is the answer
<h3 /><h3>V. Cylinder = π . r² . h</h3>
12,704.44 = 3.14 × r² × 14
12,704.44 = 3.14 × 14 × r²
12,704.44 = 43.96 × r²
r² = 12,704.44/43.96
r² = 289
r = √289
r = 17
<h3>#CMIIW</h3>