BardiFan
06.10.2021 •
Mathematics
The payroll clerk told Lisa that 4/15 of her weekly income is withheld for her taxes. What amount is withheld each week if she earns 1,305 per week?
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Ответ:
■
a = 141°
b = 13°
c = 26°
■ Step-by-step explanation:
a = 128 + b
c = 2b
a + b + c = 128
replace a & c
(128 + b) + b + 2b = 180
4b = 180 - 128
4b = 52
b = 13°
a = 128° + 13° = 141°
c = 2×13° = 26°