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mojhsa [17]
3 years ago
9

If lnx + ln(x−3)= ln(4x), then x=

Mathematics
1 answer:
bazaltina [42]3 years ago
3 0

Answer:

x=7

Step-by-step explanation:

ln(x)+ln(x-3)=ln(4x)

x≥0,x≥3

combining x≥3

ln[x(x-3)]=ln(4x)

x(x-3)=4x

x²-3x-4x=0

x²-7x=0

x(x-7)=0

x=0(rejected),7

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X=-4 +6+ (11 +4(-3))
lapo4ka [179]

Answer:

x=1

Step-by-step explanation:

x = -4 + 6 + (11 + 4(-3)).

First get the numbers in the parentheses

x = -4 + 6 + (11 - 12)

Since 11 - 12 = -1. We can replace (11-12) with -1

x = -4 + 6 -1

Now add and subtract

x = 1

4 0
2 years ago
The price of an item yesterday was $140. Today, the price fell to $119. Find the percentage decrease.
34kurt

Answer:

-15%

Step-by-step explanation:

4 0
3 years ago
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jose is taking care of a neighbor’s cat. The neighbor will be gone for 5 days and left 3 cans of cat food. The cat is supposed t
Nitella [24]
Hey there, Elizabeth76265!

If the owner left only 3 cans of food for 5 days, that means that we have to divide those cans of food so we can just do simple math and divide 3 by 5
\frac{3}{5} and you get 0.6

So the cat must eat 0.6 of each can everyday.

Thank you for using Brainly.
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3 0
3 years ago
Suppose f−1 is the inverse of a differentiable function f and f(4) = 0, f′(4) = 1. find (f−1)′(0).
Vlada [557]
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4 0
3 years ago
What is 18-3{y}=25 solve
Zanzabum

Answer:

−2.333

Step-by-step explanation:

-7 - 3y  =   -1 • (3y + 7)

y = -7/3 = -2.333

3 0
3 years ago
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