An example for #1 would be that: 15 is divisible by 3, but not 9. every third multiple of 3, (9, 18, 27,...) is divisible by 9 because 9 is three times the size of 3.
For part two the first number that I thought of is 23.
Volume =length *breadth *height
Volume =area of the cross section *height
320=area of the cross section * 8
Area of the cross section =320/8
=40cm2
Answer:
B.) (1, 8) And (8, 1)
Step-by-step explanation:
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Answer:
(4, 9) and (-10, -8)
Step-by-step explanation:
You'll calculate the amount it was decreased by :
15% is also 15/100
15/100 * 42000
The two 0's in 100 cut 2 of the 0's in 42000 making it :
15/1 * 420
15* 420 = 6300
So, 6300 is the amount that the price is decreased by, but the question says the price of the PC (personal computer) after the decrease has happened not the price it decreased by :
So,
42000 - 6300 = 35700.
