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2 years ago

Help me please it about linear equations

Mathematics

1 answer:

Reika [66]2 years ago

3 0

Answer:

The last answer (?)

Step-by-step explanation:

I'm pretty sure it is the last answer becuase the graph shows Brazil going down over time and it is a constant rate of change..

(sorry if it's wrong I learned this a long time ago so I may not be the best :)

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According to the table, Tasha initially had blank dollars before purchasing songs, and the cost of each song was blank dollars?

lesya [120]

Answer:

she had 79.2 dollars before she purchased the songs. Each song costs -24.

Step-by-step explanation:

hope this helps and I hope this is the correct answer God bless you

5 0

3 years ago

What is 2 7/4 in simplest form

Leona [35]

2 7/4=3.75

THE ANSWER IS 3.75

4 0

3 years ago

Read 2 more answers

ABC Auto Insurance classifies drivers as good, medium, or poor risks. Drivers who apply to them for insurance fall into these th

Misha Larkins [42]

Answer:

a. $P(E_1/A)=0.0789$

b. $P(E_2/A)=0.395$ \

c. $P(E_3/A)=0.526$

Step-by-step explanation:

Let $E_1,E_2,E_3$ are the events that denotes the good drive, medium drive and poor risk driver.

$P(E_1)=0.30,P(E_2)=0.50,P(E_3)=0.20$

Let A be the event that denotes an accident.

$P(A/E_1)=0.01$

$P(A/E_2=0.03$

$P(A/E_3)=0.10$

The company sells Mr. Brophyan insurance policy and he has an accident.

a.We have to find the probability Mr.Brophy is a good driver

Bayes theorem, $P(E_i/A)=\frac{P(A/E_i)\cdot P(E_1)}{\sum_{i=1}^{i=n}P(A/E_i)\cdot P(E_i)}$

We have to find $P(E_1/A)$

Using the Bayes theorem

$P(E_1/A)=\frac{P(A/E_1)\cdot P(E_1)}{P(E_1)\cdot P(A/E_1)+P(E_2)P(A/E_2)+P(E_3)P(A/E_3)}$

Substitute the values then we get

$P(E_1/A)=\frac{0.30\times 0.01}{0.01\times 0.30+0.50\times 0.03+0.20\times 0.10}$

$P(E_1/A)=0.0789$

b.We have to find the probability Mr.Brophy is a medium driver

$P(E_2/A)=\frac{0.03\times 0.50}{0.038}=0.395$

c.We have to find the probability Mr.Brophy is a poor driver

$P(E_3/A)=\frac{0.20\times 0.10}{0.038}=0.526$

7 0

3 years ago

The price of a pair of shoes is 45.90. the sales tax is 5%. how much sales tax do you need to pay

grin007 [14]

2.295 rounded out to be 2.30

6 0

3 years ago

Read 2 more answers

No. 4<br> please help, what’s a forty proportional?

jok3333 [9.3K]

Answer:

a/b = c/d --> d = b*c/a

d is the forth proportional

a) d = 2*3/1 = 6

b) d = 3*4/0.5 = 24

c) d = b*5/a = 5*b/a

6 0

3 years ago