It usually mean <span>multiplication.</span>
Answer:
4 days and 18 hours.
Step-by-step explanation:
1440 Watt hours = 1 day
6840 Watt hours = x
<em>Cross multiply.</em>
1440*x = 6840*1
1440x = 6840
<em>Divide both sides by </em><u><em>1440.</em></u>
1440x/1440 = 6840/1440
x = 4.75 days
4.75 days is <u>4 days and 3/4 of a day; because 3/4 = 0.75</u>
<em>We have to find 3/4 of 1 day.</em>
<u>1 day is 24 hours.</u>
3/4* 24
<em>Divide 24 by 4.</em>
3*6 = 18
So, 18 hours.
Therefore a light bulb consumes 6840 Watt hours in 4 days and 18 hours.
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The mode is the number that apppers the most on any graph.
0 appears twice
1 doesn't appear at all
2 appears once
3 appears once
4 doesn't appear at all
5 appears four times
6 appears three times
7 appears five times
8, 9, or 10 do not appear on the graph at all
So to find the mode we find the number that appears on the graph the most, the number that appears on the graph the most is 7, it appears 5 times, so 7 is the mode of this graph.
Answer:
B) a²-(2*4)
Step-by-step explanation:
Since we are looking for the gray area only, we need to find the total area of the figure, but subtract that from the area of the unshaded area.
The total area of the figure is a*a=a²
The area of the unshaded figure is 2*4=8 units^2
This means the gray area is a²-(2*4) units^2, making B correct