13 to the second power is 169.
Hope this helps!
Answer:
34
Step-by-step explanation:
180 since it is supplementary
then minus 100 which is 80 then minus 12 which is 68 then half that which is 34
Answer:
21.8° (22° to the nearest degree)
Step-by-step explanation:
Using cosine law:
a² = b² + c² - 2bc(cosA)
3² = 5² + 7² - 2(5)(7)cosA
cosA = 13/14
A = 21.7867893
Approximately angle: 22°
18 is the answer because eighteenth has nth in the ending
Answer:the answer would be B
Step-by-step explanation:
the operation is +
