The correct answer would be option B, American agriculture.
American Agriculture is best suited to the use of large plowing and harvesting equipment.
Explanation:
In the United States, Agriculture is one of the main industries of the country. This is a net exporter of the food items.
According to the census of agriculture in the previous decade, there were 2.2 Million farms in the United States. These farms covered 922 million acres of area. This means that on average, each farm was equal to 418 acres.
So when the farming industry is so much prevailing in America, and the space is almost unlimited, then the best method for them is to use large plowing and harvesting equipment, to save time and to get the maximum output.
Learn more about American Agriculture at:
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A staff reading taken on a point whose elevation is to be determined as on a change point is called fore sight-reading. Then the correct option is B.
<h3>What is fore sight-reading?</h3>
Foresight is an observation made on an unknown coordinate point (s). Foresight is a reading that looks "ahead" anywhere along the line of movement because a survey advances from a precise location to unknown positions.
A staff reading taken on a point whose elevation is to be determined as on a change point is called fore sight-reading.
Thus, the correct option is B.
More about the fore sight-reading link is given below.
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John T. Scopes \ The answer is a i hope this helps
I don't know exactly how to label these. I'll start from the left and go to the right. The formula for all of these questions is Sum = a(1 - r^n)/(1 - r)
Left
The complete series is 1 3 9 27 81 and just adding these as you see them, you get 1 + 3 + 9 + 27 + 81 = 121
Sample calculation
i = 1
3^(1 -1) = 1
i = 4
1 * 3^(4 - 1)=3^3 = 27 Just what the series says you should get.
Sum using formula
Sum = 1(1 - 3^5)/(1 - 3) = 1 * (1 - 243)/(1 - 3) = - 242/-2 = 121
Second from the left
Series: 3 6 12 24 48
Sum by hand = 93
Sample Calculation
i = 1
3*2^(1 - 1) = 1
i1 = 3
3 * 2^(3 - 1) = 3 * 2^2 = 3 * 4 = 12 which is what you should get.
Sum using formula
Sum = 3 (1 - 2^(5 - 1) / (1 - 2)
Sum = 3 (1 - 32) / - 1
Sum = 3(-31) / (- 1) = 93
Second from the right.
Series: 2 6 18 54
Sample Calculation
i = 1
t1 = 2* 3^(1 - 1) = 2*3^0 = 2*1 = 2
i = 4
t4 = 2 * 3^(4- 1)
t4 = 2 * 3^3
t4 = 2 * 27
t4 = 54 just as it should
Sum with formula
Sum = 2( 1 - 3^4) / ( 1 - 3)
Sum = 2(1 - 81)/ -2
Sum = 2( - 80) / - 2
Sum = 80
Entry on the right
Series: 1 2 4 8 16 32 64
Sum by hand: 1 + 2 + 4 + 8 + 16 + 32 + 64 = 127
Sample Calculation:
i = 1
2^(1 - 1) = 2^0
2 to the zero = 1
i = 6
t6 = 1( 2^6)
t6 = 1 * 2^6 = 64
Sum using the formula: 1*(1 - 2^7)/(1 - 2) = (1 - 128)/(-1 = 127
Order: Answer
Right comes first
Left
Second from the left
Second from the right.
