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ankoles [38]
3 years ago
15

Write in log base 10: log3 7

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
4 0

Answer:

The answer is "0.84509804001426".

Step-by-step explanation:

Given:

\to \log_{3} (7) = 1.7712437491614         \\\\        \to 3^{1.7712437491614} = 7\\\\\to  \log_{10}(7) = 0.84509804001426\\\\\to 10^{0.84509804001426} = 7\\

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Find the cost price when,<br>(a) Selling price = Rs 725 and 15% gain​
Debora [2.8K]

Step-by-step explanation:

Selling Price (SP) = Rs. 725

profit rate (P%) = 15 %

Now

Cost Price (CP)

=  \frac{sp \:  \times 100}{100 + p\%}  \\  =  \frac{725 \times 100}{100 + 15}   \\  =  \frac{72500}{115}  \\  = rs \: 630.42

4 0
3 years ago
A 12-issue magazine subscription costs $36. What is the average cost per issue of the magazine?
Natasha2012 [34]
$3 
its like a pack of 12 magazines costing $36 and you asked the cost of one magazine
by proportion; let average be=?
12~$36
1~?
1/12=?/36
?=(1/12)*36
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7 0
3 years ago
Find the specified element in the inverse of the given matrix
JulijaS [17]
What is the given matrix?
you didn't show a matrix.
the components of the matrix are the elements.
and the elements of the inverse matrix are the elements of the inverse matrix
1) 
so if matrix A is  1   4  1   
                          2   5  2
                          3   6  3
2)
14114
25225
36336

3)
15 24 12
15 12 24
4)
[A]=(15+24+12=51)-(15+12+24=51)
[A]=0
5)
    52    23   25
    63    23   36

    41    11   14 
    63    33   36

    41    12    14
    52    12    25
6)

    15-12   6-6   12-15

     12-6    3-3    6-12

      8-5     2-2     5-8


7) 
     3    0   -3

     6    0   -6

     3    0   -3
 8) 
     (+)3    (-)0   (+)-3

     (-)6    (+)0   (-)-6

     (+)3    (-)0   (+)-3
=

    3  0  -3
   -6  0   6
    3  0  -3

9)
        3 -6  3
N=   0  0  0
       -3  6 -3
10) the inverse of [A]= 1/|A|*[N]
which is in this case ⁻A= 0
because |A|=0

6 0
3 years ago
What value of n makes the equation true -1/5+7=2
Elodia [21]

Answer:

where is the n in the equation?

Step-by-step explanation:

7 0
3 years ago
Who was the first president of united state
STatiana [176]
George Washington
...............
7 0
3 years ago
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