Answer:
480
Step-by-step explanation:
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Answer:
Mathew will earn $360.72 from his food
Step-by-step explanation:
We know that:
1 bushel of wheat = $5.40
And Matthew produced 66.8 bushels of heat this year
To find how much Matthew will earn from his field, multiply:
5.40 x 66.8 = 360.72
Therefore he will earn $360.72 from his field.
Hope thjs helps!
Answer:
x - 9 = ±9
Step-by-step explanation:
We have been given the following equation;
(x-9)^2=81
We are to determine the resulting equation after taking the square root of both sides.
The square root of the expression in the left hand side is;
((x-9)^2)^(1/2)
The square and square root are inverse functions and as such they simply cancel out yielding;
x-9
Now, the square root of 81 is simply ±9 since 9*9 = 81;
9^2 = 81
Thus the square root of 81 is ±9. The resulting equation is thus;
x - 9 = ±9
This can be simplified by adding 9 on both sides of the equation to yield;
x - 9 + 9 = 9 ± 9
x = 9 ± 9
x = 9 + 9 = 18 or x = 9 - 9 = 0
x = 18 or x = 0
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