Answer:
23
Step-by-step explanation:
Let one angle be x.
Other angle = x + 30°
Given, angles are complementary;
x + x + 30 = 90
2x = 60
x = 30°
Hence, the angles are 30° and 60°.
Answer:
79%
Step-by-step explanation:
<em><u>m</u></em><em><u>e</u></em><em><u>d</u></em><em><u>i</u></em><em><u>a</u></em><em><u>n</u></em><em><u> </u></em>is the middle no.
arrange the scores in descending order
72,74,76,(78,80),82,92,92
78+80, divide 2= 79%
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Answer:
9
Step-by-step explanation:
Here,
f(1) = 1,
f(n) = 3f(n-1),
f(4)= 3×1(4-1)
= 3×3
=9