cristymarinee9207
03.02.2021 •
Mathematics
In Linda’s class of 20 students 14 of the students will practice for the school play. What percent of the class will practice for the school play?
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Ответ:
70%
Step-by-step explanation:
14/20= 0.7 = 70%
Ответ:
x = −b±vb^2−4ac/2a
x= −(20)±v(20)^2−4(5)(−7)/2(5)
x=−20±v540/10
x=−2+3/5v15 or x=-2-3/5v15