Asked by Hannah

0.0412 = 0.0015 - x / 0.025 + 1/2x

Solve for x.

0.0412 = 0.015-x / 0.525x I am not sure where to go from here since there are two x's.
Answered by john
first put the .015 on the other side by taking it away from the other side so

.0262=-40x+.5x

now add the x's

.0262=39.5x

solve for x
Answered by Hannah
where did you get the 40x from??
Answered by john
x/.025 is (1/.025)*x

1/.025=40
Answered by Hannah
oh ok and you got .0262 by subtracting 0.015 from 0.0412??
Answered by john
yes
Answered by Hannah
do for x I got 6.63e-4. Would you agree? Thank you for your help!!
Answered by Hannah
For soem reason when I enter this answer on my online homework it says that its incorrect, I don't know why.
Answered by Hannah
How did you get 39.5x?
Answered by john
is it .0015 or .015 you wrote .0015 first then .015 second. if its .0015 then its .0397 not .0262
Answered by Hannah
yes its .0015 im sorry for the mistake, so it would be
.0397=-40x +.5??
Answered by john
.0397=-39.5x

x should = -.00101
Answered by Hannah
ok I tryed that to and for some reason it still says its wrong
Answered by Reiny
0.0412 = 0.0015 - x / 0.025 + 1/2x
0.0397 = -40x + .5x
.0397 = -39.5x
x = - 0.001005063

round to whatever decimal you think is needed


btw: (x/.025 = x/(25/1000) = x(1000/25) = 40x)
Answered by Hannah
The original equation was

1.7e-3 = (0.0015 -x)^2 / (0.025 +1/2x)(0.025 + 1/2x)

Square root of both sides is
0.0412 = (0.0015-x) / (0.025 + 1/2x)

Solve for x and when I put in -0.001 or 1.0e-3 it says that it is incorrect, I don't know why??
Answered by adeica
52+(8+25)
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