Answer:The product of an integer and 1 is the integer.
Step-by-step explanation:
Any integer's sum and the reverse is equal to zero. You can add two positive integers the result will always be a positive sum, including two negative whole numbers dependable yields a negative aggregate. To discover the whole of a positive and a negative number, take the outright estimation of every number and after that subtract these qualities.
explanation:
An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load. The inclined plane is one of the six classical simple machines defined by Renaissance scientists.
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1x1 = 1,2x2 = 2.......12x12 = 144, 13x13 = 169, 14x14 =WAIT!
13 is it!
-1 * 13 =...(drumroll please)
<h2>-13</h2>
Answer:
40 minutes
Step-by-step explanation:
We have a load and a discharge, given by a speed that would be a barrel / minute.
Which means that the loading rate is: 1/20
And the discharge rate: 1/40
Since they are contrary, the result would be the subtraction between these two rates:
1/20 - 1/40 = 1 / x
1 / x = 0.025
x = 1 / 0.025
x = 40
Which means it will take 40 minutes to fill under the mentioned conditions