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Verdich [7]
3 years ago
15

Which is the correct letter answer of the value of the log equation?

Mathematics
1 answer:
timofeeve [1]3 years ago
5 0

Answer:

The value of the single logarithm is -11 ⇒ answer B

Step-by-step explanation:

* Lets revise the rule of the logarithmic functions

# ㏒ a + ㏒ b = ㏒ ab  

# ㏒ a - ㏒ b = ㏒ a/b

# ㏒ a^n = n ㏒ a  

# ㏒ 1 = 0  

* Now lets solve the problem

∵ log_{b}(\frac{A^{5}C^{2}}{D^{6}})

- Change the single logarithm to an expression by change the

  multiplication to addition and the division to subtraction

∵ log_{b}A^{5}=5log_{b}A

∵ log_{b}C^{2}=2log_{b}C

∵ log_{b}D^{6}=6log_{b}D

∴ The single logarithm = 5log_{b}A+2log_{b}C-6log_{b}D

* Now lets substitute the values

∵ log_{b}A=3;===log_{b}C=2;===log_{b}D=5

- Substitute the values into the expression

∴ The value = 5(3) + 2(2) - 6(5) = 15 + 4 - 30 = -11

* The value of the single logarithm is -11

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Andre45 [30]
We know that
If the scalar product of two vectors<span> is zero, both vectors are </span><span>orthogonal

</span><span>A. (-2,5)
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</span><span>B. (10,-2)
</span>(10,-2)*(1,5)-------> 10*1-2*5=0-----------> are  orthogonal 

<span>C. (-1,-5)
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<span>D. (-5,1)
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the answer is 
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3 years ago
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Answer:

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Step-by-step explanation:

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