Hello from MrBillDoesMath!
Answer:
B = 67.4 degrees (approximately)
Discussion:
From plane trigonometry
sin(B) = side opposite angle B \ hypotenuse
= 12/13
Use a calculator (take the inverse sine of 12/13) gives
B = 67.4
Thank you,
MrB
Answer:
5,009.206
Step-by-step explanation:
25x+20y=455
x+y=20
20x+20y=400
-25x-20y=-455
-5x=-55
x=11
11+y=20
y=9
Solved it as well, sorry if I wasn't supposed to
Answer:
56 that's easy.....
Step-by-step explanation:
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