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PIT_PIT [208]
3 years ago
6

Expand the logarithmic expression

Mathematics
2 answers:
Studentka2010 [4]3 years ago
8 0
The mathematical expression of the given above,
                       logb (13/74)^1/2
Distribute the exponent to both numerator and denominator.
                      logb (13^1/2 / 74^1/2)
To simplify, multiply the exponent to the expression and since it is division it may be expressed as difference of two logarithms.
                  (1/2)(logb 13) - (1/2)(log 74)
Slav-nsk [51]3 years ago
4 0

Answer:

 \frac{1}{2}log13-\frac{1}{2}log74 is the expansion of the given logarithmic function.

Step-by-step explanation:

We have been given an expression:

log_b\sqrt{\frac{13}{74}}

Since, we know \sqrt{x}=x^\frac{1}{2}

The given expression can be rewritten as:

log_b(\frac{13}{74})^\frac{1}{2}

Now, using logarithmic property:

log m^n=nlogm so we get:

\frac{1}{2}log_b\frac{13}{74}

Now, using log\frac{m}{n}=logm-logn

Here, m=13 and n=74

\frac{1}{2}log13-\frac{1}{2}log74 is the expansion of the given logarithmic function.

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11 1/4 or 11.25 is the answer
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3 years ago
Mr. smith has 5 courses he teaches at the community college. his course a has 102 students with an average tardiness of 3 studen
Furkat [3]

The percentage of tardiness among the 102 pupils is 2.94.

<h2>Calculation of the percentage</h2>

According to the query,

Course A: Total number of students = 102

                   Number of tardy students = 3

Percent of students tardy in course A = (number of tardy students/total  

                                                                   number of students) * 100

  =(3/102)*100

  = 2.941

  ≈2.94

In case of course B: Total number of students = 85 & tardy student = 5

So, the percent of tardy student = (5/85)*100 = 5.88 %

Therefore, it is concluded that the percentage of student tardiness in course A is 2.94.

Learn more about the percentage here:

brainly.com/question/92258

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5 0
2 years ago
In a 20% off sale a coat was £220. work out the original price
BARSIC [14]
10% of 220= £22
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5 0
3 years ago
C-7.6=-4 what is the value of c
9966 [12]
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4 0
3 years ago
Read 2 more answers
G(x)=-x^2-1-2x<br> f(x)=x+5<br> Find (g-f)(x)
nikitadnepr [17]

(g-f)(x) is x² - 3x - 6

<u>Step-by-step explanation:</u>

Step 1:

Given g(x) = x² - 1 - 2x, f(x) = x + 5. Find (g-f)(x)

(g-f)(x) = x² - 2x - 1 - (x + 5) = x² - 2x - 1 - x - 5 = x² - 3x - 6

3 0
3 years ago
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