lukeperry
25.05.2020 •
Mathematics
Mark brainliest
6-(-9)=?
-2-(-3)=?
Solved
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Ответ:
6-(-9)= 15
-2-(-3)= 1
Step-by-step explanation:
the two negatives cross eachother out which makes it positive on the first one so you add them. and in the second one the same thing happens except it's a negative two which gives you -2+3 which gives you one.
Ответ:
65 degrees
Step-by-step explanation:
Since complementary angles are 2 angles that add up to 90 degrees, all you have to do is subtract 25 from 90.
When you do that you get 65.
Example: 90 - 25 = 65