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Anestetic [448]
3 years ago
5

How would you solve k^2-5k+6=0

Mathematics
2 answers:
mariarad [96]3 years ago
6 0
K^2-5k+6=0
k^2-5k=-6
k-2.23k=2.44
1.23k=2.44
k=1.99
Usimov [2.4K]3 years ago
4 0
<span>
 k2 + -5k + 6 = 0  

</span> 6 + -5k + k2 = 0
<span>
 6 + -5k + k2 = 0  

</span><span>Solving for variable 'k'.   
</span>
Factor a trinomial. (2 + -1k)(3 + -1k) = 0 2 + -1k = 0 <span>k = {2, 3}</span>

hoped this helped i skipped some steps so you don't have to wait
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Ricardo earned $52,000 last year. He just received a 3% salary increase. What is his new yearly salary?
Juli2301 [7.4K]
<h3>Answer:  53,560 dollars</h3>

=======================================================

Explanation:

Having the salary increase by 3% means we can use the multiplier 1.03

Think of it like 100% + 3% = 1 + 0.03 = 1.03

The new salary is 52,000*1.03 = 53,560 dollars

----------------

The slightly longer way to do this is to first figure out how much 3% of 52,000 is

3% of 52,000 = 0.03*52,000 = 1560

Ricardo earns $1560 more dollars on top of the salary of $52,000

So overall his new salary is $1,560 + $52,000 = $53,560

----------------

Personally, I prefer the first method because it's quicker and it allows for multiple percentage increases to chain together. It also could be used to chain in percentage decreases as well.

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