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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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During a certain week, a post office sold Rs.280 worth of 14-paisas stamps. How many of these stamps did they sell?
Novosadov [1.4K]
So basically ...

You convert the rupees in paisas. One rupee is equal to one hundred paisas, so ...

280 × 100 = 28,000

And then we divide,

28,000 ÷ 14 = 2000

The post office sold 2000 stamps!

Hope this helped! :)
6 0
3 years ago
Which statements are true about the median of a data set? Check all that apply. The median isn’t affected much by one outlier. T
sasho [114]
These are all the right answers:

The median isn’t affected much by one outlier.

The median is the number in the middle of an ordered set of data.

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Hope this helped :)
7 0
3 years ago
Read 2 more answers
8.25 × 10–4 in standard form.
Elanso [62]

The 10^-4 means that the decimal point is 4 places to the left of where it is in 8.25 (if the exponent was positive the decimal point would be to the right). If you move the decimal point 4 places to the left you get an answer of 0.000825 which is 8.25 * 10^-4 in standard form.

7 0
2 years ago
Use distributive property to write an expression that is equivalent to 6(u+12)
nirvana33 [79]

Answer:

6u + 72

Step-by-step explanation:

6(u + 12)

Distribute 6 to u and 12

6(u) + 6(12)

6u + 72

6 0
3 years ago
What expression is equivalent to 5 to the 6th power?PlZZZ HElP
Akimi4 [234]

Answer:

5^6 = 125 * 125

Step-by-step explanation:

The given expression can be represented as:.5⁶

Required

Find equivalent expression

5^6

Express 6 as 3 + 3

5^6 = 5^{3+3}

Apply the following law of indices

a^{m+n} = a^m * a^n

So, we have:

5^6 = 5^{3} * 5^{3}

Express 5^3 as 125

5^6 = 125 * 125

Hence, option (b) is equivalent

8 0
2 years ago
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