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tresset_1 [31]
3 years ago
11

Need help with this, i dont understand so please also explain!

Mathematics
1 answer:
Ne4ueva [31]3 years ago
3 0
The rule for dividing exponents is:
For exponents with the same base, you can subtract the exponents and put the difference as exponent over the base. Remember that the fraction bar acts as a division sign! Or: \frac{ a^{m} }{a^{n} } = a^{m} \div a^{n} = a^{m-n}

For example: \frac{ a^{5} }{a^{2} } = a^{5} \div a^{2} = a^{5-2} =  a^{3}

Back to your problem:
You're asked to simplify \frac{a^{12}  b^{8} }{a^{2}  b^{4}}.

Use your exponent rule for dividing exponents. 
\frac{a^{12} b^{8} }{a^{2} b^{4}}\\ 
= a^{(12-2)} b^{(8-4)}\\
= a^{10}  b^{4}
---
Answer: a^{10} b^{4}

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Determine whether a triangle with sides 12 cm, 14 cm and 18 cm is an acute, right or obtuse triangle.
Vanyuwa [196]
Obtuse... (Sorry it is not labeled) Not a right angle since it does not have a 90 degree angle neither acute since it isnt below 60 degree and obtuse due to being over 90 degree

4 0
3 years ago
Jim walks 2 kilometers during each trip to school how many trips will Jim have to make in all to walk a total of 8 kilometers ​
denpristay [2]

Answer:

huibyhbyh

Step-by-step explanation:

4 0
3 years ago
I'm doing a task which involves magic v's, a maths pattern which has the rule of having the same total on each side. For e.g.
iogann1982 [59]

Answer:

--1-- (of set 23456)

2   4

5 3

 6

--2-- (of set 23456)

2   3

5 4

 6

--3-- (of set 23456)

2   5

6 3

 4

--4-- (of set 23456)

2   3

6 5

 4

--5-- (of set 23456)

3   5

4 2

 6

--6-- (of set 23456)

3   2

4 5

 6

--7-- (of set 23456)

3   6

5 2

 4

--8-- (of set 23456)

3   2

5 6

 4

--9-- (of set 23456)

3   5

6 4

 2

--10-- (of set 23456)

3   4

6 5

 2

--11-- (of set 23456)

4   5

3 2

 6

--12-- (of set 23456)

4   2

3 5

 6

--13-- (of set 23456)

4   6

5 3

 2

--14-- (of set 23456)

4   3

5 6

 2

--15-- (of set 23456)

5   4

2 3

 6

--16-- (of set 23456)

5   3

2 4

 6

--17-- (of set 23456)

5   6

3 2

 4

--18-- (of set 23456)

5   2

3 6

 4

--19-- (of set 23456)

5   6

4 3

 2

--20-- (of set 23456)

5   3

4 6

 2

--21-- (of set 23456)

6   5

2 3

 4

--22-- (of set 23456)

6   3

2 5

 4

--23-- (of set 23456)

6   5

3 4

 2

--24-- (of set 23456)

6   4

3 5

 2

--1-- (of set 34567)

3   5

6 4

 7

--2-- (of set 34567)

3   4

6 5

 7

--3-- (of set 34567)

3   6

7 4

 5

--4-- (of set 34567)

3   4

7 6

 5

--5-- (of set 34567)

4   6

5 3

 7

--6-- (of set 34567)

4   3

5 6

 7

--7-- (of set 34567)

4   7

6 3

 5

--8-- (of set 34567)

4   3

6 7

 5

--9-- (of set 34567)

4   6

7 5

 3

--10-- (of set 34567)

4   5

7 6

 3

--11-- (of set 34567)

5   6

4 3

 7

--12-- (of set 34567)

5   3

4 6

 7

--13-- (of set 34567)

5   7

6 4

 3

--14-- (of set 34567)

5   4

6 7

 3

--15-- (of set 34567)

6   5

3 4

 7

--16-- (of set 34567)

6   4

3 5

 7

--17-- (of set 34567)

6   7

4 3

 5

--18-- (of set 34567)

6   3

4 7

 5

--19-- (of set 34567)

6   7

5 4

 3

--20-- (of set 34567)

6   4

5 7

 3

--21-- (of set 34567)

7   6

3 4

 5

--22-- (of set 34567)

7   4

3 6

 5

--23-- (of set 34567)

7   6

4 5

 3

--24-- (of set 34567)

7   5

4 6

 3

Step-by-step explanation:

This javascript code is extremely brute-force, but it does the job:

function checkIfInSet(i, set) {

   return i.toString().split('').sort().join('') === set;

}

function checkIfMagic(s) {

   return (parseInt(s[0]) + parseInt(s[1]) == parseInt(s[3]) + parseInt(s[4]))

}

function printMagic(s) {

   console.log(`${s[0]}   ${s[4]}`);

   console.log(` ${s[1]} ${s[3]}`);

   console.log(`  ${s[2]}\n`);

}

function checkSet(set) {

   let counter = 1;

   for(let i=1; i<99999; i++) {

       if (checkIfInSet(i, set) && checkIfMagic(i.toString())) {

           console.log(`--${counter++}-- (of set ${set})`);

           printMagic(i.toString());

       }

   }

}

checkSet('23456');

checkSet('34567');

6 0
3 years ago
What is the surface area of the regular pyramid below? I’ll would be helpful if you guys list down the steps !
meriva

Answer:

The answer to your question is A = 648 u²

Step-by-step explanation:

I attach the solution because it said that I was writing improper words.

6 0
4 years ago
What is 6 to the second power divided by 2 (3) plus 4
nikdorinn [45]
The answer is 10.


6^2/2(3)+4 is the formula

6^2=36
36/2(3)+4
2(3)=6
36/6+4
36/6
6+4
10

I did PEMDAS. P is  for Parentheses. E is for exponents. M is for multiplication. D is for Division. A is for adding. S is for subtracting.




3 0
3 years ago
Read 2 more answers
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