angsoccer02

30.11.2020 • 

Mathematics

Select the correct answer. It takes Leo and Mary 6 minutes to wash a car. If Leo washes the car alone, it takes 5 minutes longer than it takes Mary working alone. When x
represents the number of minutes it takes Mary to wash the car working alone, the situation is represented by this equation:
Which value is a solution of the rational equation that must be discarded because of the context?
ОА
x= -10
OB. x=-5
OC. X=-3
OD. x=0

Ответ:

ashton3952525

10.02.2022

Mathematics

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I took the test and it is not -5. I don'tknow what it is though

Step-by-step explanation:

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Ответ:

lovemichelle638

25.09.2020

Mathematics

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32/sin 48 = 27/sin B or  
sin B = (27/32)*sin 48 = 0.6270 or 
 B = 39°; C=180-48-39 = 93° 
 c^2 = a^2 +b^2 -2abcos C = 32^2 +27^2 -{2*32*27*cos 93}=1843 or 
 c =43

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