Prove that the difference between 9th square number and 5th square number is a multiple of 8?
1 answer:
Answer:
Step-by-step explanation:
9th square number = 81
5th square number=25
81-25=56
56 is a multiple of 8 as 8 x 7=56
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It looks about right to me.
Answer:
Step-by-step explanation:
3×1405 and $.65
Answer:
$780
Step-by-step explanation:
P = Original Price
P (100% - 10%) = $702
P (90%) = $702
(P (.9)) / .9 = $702 / .9
P = $780
Check answer:
$780 (90%) = $702
Step-by-step explanation:
6(p+3)-6(p+5)=6p+18-6p-30=-12
A^2-3a+14 is the answer :)
