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3 years ago

Consider 8x-4 = 810 Because the are equal , the must also be equal. The solution to the equation is x = .

Mathematics

2 answers:

Andrew [12]3 years ago

6 0

Answer:

Consider 8^x-4=8^10

<h2>Because the <em><u>bases</u></em> are equal, the <u><em>exponents</em></u> must also be equal. </h2>

Step-by-step explanation:

Just did it on edge.

Also pt.2 of the problem is going to be x=14

Nostrana [21]3 years ago

3 0

Answer: x = 101.75

Step-by-step explanation:

Hi, to answer this question we have to solve the equation give, by isolating x:

8x-4 = 810

The first step is to Add 4 on both sides:

8x-4+4 = 810+4

8x = 814

Then we have to divide both sides by 8:

8x/8 = 814/8

Finally, the solution is:

x = 101.75

Feel free to ask for more if needed or if you did not understand something.

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Answer with Step-by-step explanation:

Permutation : It is an arrangement of r elements out of n elements.

Combination : it is a selection of r element out of n elements .

Suppose we have a set

S={1,2,3}

If two elements are taken at a time then

Using permutation formula

Total number of outcomes= $3P_2$

Total number of outcomes= $\frac{3!}{(3-2)!}$

Total number of outcomes=3!= $3\times 2\times1=6$

Using combination formula

$\binom{n}{r}=\frac{n!}{r!(n-r)!}$

Total number of outcomes= $\binom{3}{2}=\frac{3!}{2!1!}$

Total number of outcomes= $\frac{3\times2!}{2!}$

Hence, total number of outcomes=3

Total number of outcomes determined by permutation have more outcomes.

Because permutation is an arrangement of elements therefore, it consider order of arrangement of element but combination is a selection of elements it does no consider order of elements

Arrangements of two elements out of 3 elements

{1,2},{2,3},{2,1},{3,2},{1,3},{3,1}

By using combination if two elements taken at a time then combination

{1,2},{2,3},{1,3}

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