jwagner2277
06.11.2019 •
Mathematics
Which equation has the same solution as 2x^2+16x-10=0
a: (x+4)^2=-3
b: (x+4)^2=-11
c: (x+4)^2=13
d: (x+4)^2=21
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Ответ:
Divide the whole thing by 2
2(X^2+8x-5)
X^2+8x. =5
Half of 8 is 4 sq it so you add 16
X^2+8x+16= 5+16
(X+4)^2=21
Ответ:
For a confined, constant volume of gas, the ratio
P
T
is therefore constant (i.e.,
P
T
=
k
). If the gas is initially in “Condition 1” (with P = P1 and T = T1), and then changes to “Condition 2” (with P = P2 and T = T2), we have that
P
1
T
1
=
k
and
P
2
T
2
=
k
, which reduces to
P
1
T
1
=
P
2
T
2