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3 years ago

Need help asap plz help

Mathematics

1 answer:

Soloha48 [4]3 years ago

8 0

Number three is D and number 4 is also D.

Explanation for number three:

When you divide 12 by 3, you get 4. This gives us the number we need to multiply 10 by to get our answer. 10 x 4 = 40

Explanation for number 4:

In the last question, the first step to getting to the answer was to divide the first two numbers. This is no different. When you divide 32.5 by 5, you get 6.5. Then you multiply 10 and 6.5, which equals 65.

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Solve <br>In 2x + In 2=0

irakobra [83]

Solving $ln(2x)+ln(2)=0$ we get, $x=\frac{1}{4}$

Step-by-step explanation:

We need to solve: $ln(2x)+ln(2)=0$

Solving:

$ln(2x)+ln(2)=0$

Adding -ln(2) on both sides:

$ln(2x)+ln(2)-ln(2)=0-ln(2)$

$ln(2x)=-ln(2)$

Using logarithmic rule: if $log_a b =c\,\,then\,\, b=a^c$

So,

$2x=e^{-ln(2)}$

Simplifying:

$2x=(e^{ln(2)})^{-1}\\e^{ln(2)}=2\\2x=(2)^{-1}\\2x=\frac{1}{2} \\x=\frac{1}{2x2}\\x=\frac{1}{4}$

So, Solving $ln(2x)+ln(2)=0$ we get, $x=\frac{1}{4}$

Keywords: Logarithms

Learn more about Logarithms at:

#learnwithBrainly

4 0

4 years ago

Write each repeating decimal using bar notation.

Ahat [919]

Answer:

___

2.034

over .034

0.92

over 2

0.7

over 7

Step-by-step explanation:

3 0

3 years ago

The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the s

valkas [14]

The volumes are the same.

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3 years ago

5^2= (-5)^2 <br> true or false

Nonamiya [84]

It’s True because of 5 square is equal to 25
Than (-5) square is also get the same value as 5^2

8 0

3 years ago

Is the value of 4 in 46,395 36 times the value of 4 in 14,906

expeople1 [14]

Yesthe value of 4 in 46,395 36 times the value of 4 in 14,906

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3 years ago