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Advocard [28]
3 years ago
10

In simplest radical form, what are the solutions to the quadratic equation 6 = x2 – 10x? Quadratic formula: x = x = 5 x = 5 x =

5 x = 5
Mathematics
1 answer:
pav-90 [236]3 years ago
7 0
We are given the quadratic equation:
6 = x² - 10x
We are asked to get the solution of the equation expressed as simplest radical form

The equation can be solved using completing the square method:
x² - 10x + 25 = 6 + 25
(x - 5)² = 31
The solutions are 
x = 5 + √31
and
x = 5 - √31<span />
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Answer:

Step-by-step explanation:

for n ∈ N

Since Actuary Rahul examines low-risk policies, continuing until a policy with a claim is found and then stopping.

∴ the probability that Actuary Rahul examines exactly n policies

(0.9)^{n-1}.(0.1)---(1)

the probability that Actuary Toby examines more than  exactly n policies

(0.8)^n---(2)

Given that policies are actually independent

∴ the probability that the event  (1) and (2) happens simultaneously is

(0.9)^{n-1}*(0.1)*(0.8)^n

∴  the probability that Actuary Rahul examines fewer policies than Actuary Toby

\sum ^\infty _{n=1} (0.9)^{n-1}*(0.1)*(0.8)^n\\\\=(\frac{0.1}{0.9} \sum ^\infty _{n=1}(0.72)^n\\\\=\frac{1}{9} (\frac{0.72}{0.28} )\\\\=\frac{2}{7} \\\\=0.2857

<h3>the probability that Actuary Rahul examines fewer policies than Actuary Toby is 0.2857</h3>
5 0
3 years ago
)) Matt's bill for breakfast at a restaurant was $91. He left an 18% tip. What was the total
gladu [14]

Answer:

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Step-by-step explanation:

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