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Step2247 [10]
3 years ago
6

Y^2-y-42 pls helpppppp i dunno how to do this one??

Mathematics
2 answers:
beks73 [17]3 years ago
6 0
(y-7)(y+6)
Hopefully this is right :)
krek1111 [17]3 years ago
6 0
(y-7) (y+6) is the correct answer for this question
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How many solutions does the following equation have? ln(x2 + 4x − 5) = 0
lisov135 [29]
Alrighty
remember
log_a(b)=c means a^c=b
and
ln(x)=log_e(x)
and
x^0=1 for all real values of x
so

ln(x^2+4x-5)=0 means
log_e(x^2+4x-5)=0 means
e^0=x^2+4x-5 which simplifies to
1=x²+4x-5
minus 1 both sides
0=x²+4x-6
use quadratic formula or complete the square
x=-2+\sqrt{10} and x=-2-\sqrt{10}
2 solutions
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3 years ago
A coin and a die are tossed. Calculate the probability of getting tails and a 5.
e-lub [12.9K]

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3 years ago
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NeTakaya

Answer: y= -5x+4

Step-by-step explanation:

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3 years ago
Another geometry question♥♥
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Set the 2x - 1 equal to 9 then work backwards. 2x - 1 = 9 Nine minus one is eight divided by two is four. X = 4
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3 years ago
(6783+2684)+2566-25634+(-38757y678+(678)y678)(6788+5445)-78+(5534(78)+684)67y678a456=?
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2259387936

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