Answer:
a)2/5
b)3/5
Step-by-step explanation:
a) 12 are boys and 30 is the whole class so 12/30=6/15=2/5
b)if 12 are boys then 30-12=18 girls
18/30=3/5
<h3>
Answer: 1260 degrees</h3>
Explanation:
There are n = 9 sides to this polygon. Plug this value of n into the formula below to find the sum of the interior angles.
S = 180(n-2)
S = 180(9-2)
S = 180*7
S = 1260
Answer:
i think its D
Step-by-step explanation:
D
Answer:
If y = sin(4x)
y' = 4cos(4x)
Step-by-step explanation:
lim [ f'(x) = f(x+h) - f(x) / h ]
h → 0
sin'(x) = sin(x+ε) - sin(x) / ε