Discrete math homework:
which one of the following would disprove the conjecture that the sum of two irrational numbers is irrational?
a) the fact that ? + 2, which is the sum of ? and 2, is irrational.
b) the fact that each of ? + 2 and 5 - ? is an irrational number and that their sum is 7.
c) the fact that each of 2 ? - 2 and 2 - ? is an irrational number and that their sum is ? .
d) none of the above
***the answer is (b). i just don't understand how.**

there is no grid

step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

the answer is a.

step-by-step explanation:

in three games of golf, alex shot two under par four times.

step-by-step explanation:

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