The distance travelled by boat after 1 hour will be 10km.
<h3>What is speed?</h3>
Speed is defined as the ratio of the time distance travelled by the body to the time taken by the body to cover the distance.
The distance will be calculated as:-
a²+b²=c²
9² + 3 ²= c ²
81+9 = c²
100 = c²
c = 10 km / hour
The distance travelled after one hour will be calculated as:-
Distance = Speed x Time
Distance = 10 x 1 = 10 Km
Therefore the distance travelled by boat after 1 hour will be 10km.
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960 watts = 24 hours
4 days = 96 hours
960 (watts) x 4 (days) = 3840 watts
12 hours= 480 watts
6 hours = 240 watts
18 hours = 720 watts
3840 (4 days) + 720 (18 hrs) = 4560
Answer:
-1.75
Step-by-step explanation:
add -12 and -5, you get -17, and 4 and 6, get 10, add -17 and 10 to get -7, and divide by 4 and get -1.75
Let us assume the total number of people at the concert = x
Then
Number of people wearing black dresses or suits = (20/100) * x
= x/5
Number of people wearing navy = (1/4) * x
= x/4
Number of people wearing brown = 0.35 * x
= (35/100) * x
= 7x/20
So
The number of people wearing a variety of colors = x - [(x/5) + (x/4) + (7x/20)]
= x - [ (4x + 5x +7x)/20]
= x - (16x/20)
= x - (4x/5)
= (5x - 4x)/5
= x/5
So it can said from the above deduction that 1/5th of the total number of people were wearing variety of color dresses.