sherylpoche23
12.09.2019 •
Mathematics
4(4x - 3)=-76 explain you solution process
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Ответ:
4(4x - 3)=-76
mutiply the bracket by 4
(4)(4x)= 16x
(4)(-3)= -12
16x-12= -76
move -12 to the other side
sign changes from -12 to +12
16x-12+12= -76+12
16x=-76+12
16x= -64
divide both sides by 16 to get x by itself
16x/16= -64/16
Cross out 16 and 16, divide by 16 and then becomes 1*1*x= x
x=-64/16
x=-4
Ответ:
Volume = Length * Width * Height
Base Area = Length * Width
Then..
Volume = Base Area * Height
6/21 = (4/5)H
H = (6/21) * (5/4)
H = 10/28
H = 5/14 ft