Answer:
16 rounded to the nearest 10 is 20
21 rounded to the nearest 10 is 20
so I don't really know but I guess you should put the x as 20 for sure UwU
Answer:
3-10-(15) equals 8.
Step-by-step explanation:
3-10 equals -7. Then -(-15) becomes a positive because two negatives make a positives producing +15 so it becomes -7+15 which finally becomes 8.
Answer and explanation:
They are not equivalent because if we simplify the second expression, the result isn't the same:
7(y×b)+3b
= 7(yb)+3b
=7yb + 3b
Therefore 7yb+3b≠7y+7b+3y
And even though you meant
7(y+b)+3b
=7y+7b+3b
=7y+10b
7y+10b≠10y+7b
Answer:
Complementary angles: the angles whose sum is 90° are called complementary angles.
Supplementary angles: the angles whose sum is 180° are called supplementary angles.
Step-by-step explanation:
hope it might help....