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3 years ago

How to expand this logarithm?

1 answer:

5 0

There is a division symbol, division is subtracted. Are you sure you have the problem stated clearly?
 $ln( \frac{-5m-3}{ \sqrt{-4m-7} } )\\ \\ ln(-5m-3) - ln( (-4m-7)^{1/2} ) \\ \\ Power Rule \\ \\ ln(-5m-3) - \frac{1}{2} ln(-4m-7)$

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21x+7y=42 and -5x+5y=10 Find the solution to the system of equations

stiv31 [10]

Answer:

Step-by-step explanation:

x=1 y=3

5 0

3 years ago

You roll a fair 6-sided die what is the probability of rolling a number grader than 4?

Roman55 [17]

Answer:

2/6 or 1/3

Step-by-step explanation:

5, and 6 is greater than 4 if the total is 6 then its 2/6 since there are only two numbers that are greater than 4

5 0

3 years ago

Read 2 more answers

HELP ME PLS ASAP a and b

morpeh [17]

Answer:

1. 5cm

2. 10cm

3. 20cm

4. 40 cm

Step-by-step explanation:

I think you need to double the area of the scaled factor.

6 0

2 years ago

I need help with this question please

irinina [24]

The answer is 0
Let me tell you why
first plug in the numbers
.5(18+14)-(18-14)^2
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16-16
0

4 0

2 years ago

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Compound interest of $1000 is invested at 10% compounded continuously, the future value s at any time t in years is given by s=1

crimeas [40]

Answer: 6.93 years

Step-by-step explanation:

Given

Rate of interest is $r=10\%$

Future value is given by $s=1000e^{0.1t}$

For the investment to double itself, i.e. $s=2000$

$\Rightarrow 2000=1000e^{0.1t}\\\Rightarrow 2=e^{0.1t}\\\\\text{Taking log both sides}\\\\\Rightarrow \ln 2=0.1t\\\\\Rightarrow t=\dfrac{\ln 2}{0.1}\\\\\Rightarrow t=6.93\ \text{years}$

It takes around 6.93 years to double the investment.

8 0

2 years ago