minnahelhoor
28.01.2020 •
Mathematics
M∠ u = (2x−5)° and m ∠w = (x+38)°what is m ∠w?
question 1 options:
49°
180°
87°
90°
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Ответ:
m∠U+m∠W=180
(2x-5)+(x+38)=180
3x+33=180
3x=180-33
3x=147
x=147/3
x=49
m∠W=x+38=49+38=87°
Ответ:
4000 divided by 100 = 40
It will take her 40 weeks to reach 4000
However, 4000-1600=2400
In another 16 weeks she'll get back to 4000
The total of weeks she'll need to save will be 56.
She won't have enough money in 55 weeks.
Step-by-step explanation: