1,49x^2 and 81^6 are perfect squares<span />
Answer:
The height is 3.625ft.
Step-by-step explanation:
0.5x8xa=14.5
4a=14.5
a=14.5/4=3.625
2 to the second power times a to the negative four power
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four times a to the negative four power
2(2)*a(-4)
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4a(-4)
Or if you can't use negatives
4
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a(4)
Four overtop a to the fourth power
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Step-by-step explanation:
27 * 3 = 81
81 * 3 = 243
Each term is 3x the number before it. Therefore:
3 * 3 = 9
The missing number is 9.
Midnight to 3 a.m.: 20%
3 a.m. to 6 a.m. 5%
Midnight to 6 a.m. = 20% + 5% = 25%