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larisa [96]
3 years ago
14

What is the value of n in the equation below a^n/a^3=a^9

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
8 0
One way in which you could do this problem quickly and accurately would be to mult. both sides by a^3, to elim. the fraction:

a^n = a^9 * a^3 = a^(9+3)  = a^12.    Thus, n = 12.
N76 [4]3 years ago
3 0

Answer: 12

Step-by-step explanation:

The given equation : \frac{a^n}{a^3}=a^9...........................(1)

According to the division law of exponent,

\frac{x^m}{x^r}=x^{m-r}

Therefore, \frac{a^n}{a^3}=a^{n-3}...................................(2)

From equation (1) and (2), we have

a^{n-3}=a^9

Since, the base is same in both sides, therefore, the exponents must be same.

\Rightarrow n-3=9\\\\\Rightarrow\ n=9+3=12

Hence, the value of n = 12.

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Find the midpoint of the line segment with the endpoints A and B.
zavuch27 [327]

Answer:

<h2>( 6 , 7 )</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

M = (  \frac{x1 + x2}{2} , \:  \frac{y1 + y2}{2} )\\

From the question we have

m = ( \frac{2 + 10}{2} \:  , \:  \frac{6 + 8}{2} ) \\  =  (\frac{12}{2}  \: , \:  \frac{14}{2} ) \:  \:  \:  \:  \:  \:  \:

We have the final answer as

<h3>( 6 , 7 )</h3>

Hope this helps you

3 0
3 years ago
Bentley is at Sasha’s birthday party where there are 10 girls and 12 boys waiting for a turn to bob for apples. Sasha’s mom will
klio [65]

Answer:

The probability that Bentely will be selected first = 0.046

Step-by-step explanation:

The person will be randomly selected, it is not stated that sex is considered in the selection.

The total number of people present at the party = 10 + 12 = 22

The probability that Bentely will be selected first = 1/22

The probability that Bentely will be selected first = 0.046

7 0
3 years ago
A bakery sold 246 vanilla cupcakes in a day, which was 82% of the total number of cupcakes sold that day. How many total cupcake
IRINA_888 [86]
The total number of cupcakes were 300.
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caley is making some punch for her birthday party.She mixes 1/2 litre of cranberry juice,1/1/2 litres of apple juice,2/3 litre o
vlabodo [156]

Answer:

yes it will contain it  

Step-by-step explanation:

.5 + 1.5 + .66 + .8 = 3.46

7 0
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G(-4)=3(-4)+4<br><br> Find g(-4)
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