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3 years ago

Y-intercept y=1/4x-2

Mathematics

1 answer:

klio [65]3 years ago

4 0

Answer:

(0,-2)

Step-by-step explanation:

y intercept is when x=0

y=1/4(0)-2

y=-2

(0,-2)

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Automobile policies are separated into two groups: low-risk and high-risk. Actuary Rahul examines low-risk policies, connuing un

jonny [76]

Answer:

The probability that Actuary Rahul examines fewer policies that Actuary Toby = 0.2857

Step-by-step explanation:

It is said that Actuary Rahul examines a low risk policy

Probability of a low risk policy having a claim = 10% = 0.1

Actuary Toby examines high risk policy

Probability of a high risk policy having a claim = 20% = 0.2

Let the number of policies examined by actuary Rahul before he finds a claim and stop be n

Probability that actuary Rahul examines exactly n policies = $0.9^{n-1} (0.1)$

Probability that Toby examines more than n policies = $0.8^n$

Since the claim statuses of policies are mutually independent, the probability that both events happen simultaneously = $0.9^{n-1} (0.1) (0.8)^n$

probability that both events happen simultaneously = $\frac{0.1}{0.9} (0.72^{n})$

The probability that Actuary Rahul examines fewer policies that Actuary Toby = $\sum\limits^ \infty_1 {\frac{0.1}{0.9} 0.72^{n} }$ = $\frac{1}{9}\sum\limits^ \infty_1 { 0.72^{n} } = \frac{1}{9} (\frac{0.72}{1-0.72} ) = \frac{1}{9} (\frac{0.72}{0.28} )$

The probability that Actuary Rahul examines fewer policies that Actuary Toby = 0.2857

5 0

3 years ago

4x - 6 = 30 can you solve it

olya-2409 [2.1K]

Answer:

x = 9

Step-by-step explanation:

take -6 to the other side so you add it to 30 = 36

equation is now 4x = 36

divide 4/4 and 36/4

x = 9

6 0

3 years ago

Expand 5(2x - 1) plsssss help some one

diamong [38]

10x-5

You multiply each term in the parentheses by 5

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3 years ago

A group of 196 students needs to be seated in a square formation for a yearbook photo. How many students should be in each row?

givi [52]

Answer:

There should be a number of 14 students in each row

Step-by-step explanation:

Find the factors of 196 then find the Greatest factor pairs which give you the numbers of 14 and 14. Now you have your answer of 14 rows and 14 columns.

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3 years ago

A cyclist at a grocery store, 180m from his home decides to go to the post office which is 510m from his home in the same direct

KatRina [158]

A) -180m
b) 510-180=+330m
+330/45=7.333m/s
c) total distance = 840m
average speed = 840/105
= 8m/s

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3 years ago

Y-intercept y=1/4x-2​

Y-intercept y=1/4x-2