Factor 2a^4-3a^2-9
= (2a^2+3)(a^2-3)
<span>GCF (12,32) = 4
4 is your answer</span>
60 W = 0.06 kW
Lifetime = 0.06 kW * 190 h = 11.4 kWh
The lifetime of the bulb is 11.4 kWh, or kilowatt-hours
Answer:
148
Step-by-step explanation:
The total yield was ...
64,100 +8,120 = 72,220 bushels
The average yield was ...
(72,200 bu)/(488 ac) = 148 bu/ac
Your yield per acre is 148 bushels.
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<em>Comment on corn yield</em>
Average corn yield in the US in 2018 was 176.4 bushels per acre. The highest was 270 bu/ac in a southeastern Washington county.