Compare 50-(-65) and (-42)+55
(integer chapter)

Solution:

Given that,

Compare 50 - (- 65) and ( - 42) + 55

Let us first solve them and compare

When a negative sign number is multiplied with another negative sign number, then the result is positive

Therefore,

50 - ( - 65) = 50 + 65

50 - ( - 65) = 115

Remove the parenthesis

-42 + 55 = 13

Compare:

115 and 13

We know that,

115 > 13

Thus, 50 - (- 65) is greater than ( - 42) + 55

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step-by-step explanation:

step-by-step explanation:

we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v