Answer:
16.8
Step-by-step explanation:
16.8
X/7=12/5
5x=84
X=16.8
Answer:
8 times greater
Step-by-step explanation:
for this we just have to reverse multiplication and we can do that with division.
so 864/108=8
we can check our answer with
108*8=864
Answer: The percent of red lights last between 2.5 and 3.5 minutes = 95.44% approx.
Step-by-step explanation:
Given: Mean time = 3 minutes
standard deviation = 0.25 minutes
The probability of red lights last between 2.5 and 3.5 minutes :-
The percent of red lights last between 2.5 and 3.5 minutes = 95.44% approx.
Answer:
1296 m³
Step-by-step explanation:
Volume = area * height.
Take any of the given faces. I have taken 12m & 12 m.
Area of this face = 1/2 * 12m * 12m
= 72 m²
Height = 18 m.
Thus,
Volume = 72m² * 18m = 1296 m³
Step-by-step explanation:
3b+5<-2
subtract 5 from both sides
3b< -7
divide by 3
b < -7/3