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Lena [83]
2 years ago
7

Which of the following best describes the term direct variation?

Mathematics
1 answer:
olchik [2.2K]2 years ago
5 0
That would be A...they have to have a constant ratio
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I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER
WINSTONCH [101]

c = 39

hope it helps...!!!

6 0
2 years ago
The source of the error when a computer system fails are either the disk drive, the computer memory, or the operating system. Ve
faltersainse [42]

Answer:

The probability of an operating system error given that a failure has ocurred is P(O/E)= 0.19

Step-by-step explanation:

Hello!

There are three different sources of error when a computer system fails:

D: disk drive error. ⇒ P(D)= 0.50

M: computer memory error. ⇒P(M)= 0.20

O: operating systems error. ⇒ P(O)= 0.30

According to the component perdormance standard:

The probability of failure "E", given that there is a disk drive error is P(E/D)= 0.40

The probability of failure "E", given that there is a computer memory error is P(E/M)= 0.6

The probability of failure "E", given that there is a operating system error is P(E/O)= 0.25

You need to calculate the probability of an operating system error given that a failure has ocurred, symbolically:

P(O/E)

P(O/E)= \frac{P(OnE)}{P(E)}

To reach the probability of the marginal E you have to add all intersections between the event "E" and the events "D", "M" and "O"

       D           M             O       Total

E:  P(E∩D); P(E∩M); P(E∩O);  P(E)

Using the formula of the conditional probability I'll clear all three intersections using the known probabilities:

General formula: P(A/B)= \frac{P(AnB)}{P(B)} ⇒ P(AnB)= P(A/B)*P(B)

P(E∩D)= P(E/D)*P(D)= 0.4*0.5= 0.2

P(E∩M)= P(E/M)*P(M)= 0.6*0.2= 0.12

P(E∩O)= P(E/O)*P(O)= 0.25*0.3= 0.075

P(E)= P(E∩D) + P(E∩M) + P(E∩O)= 0.2+0.12+0.075= 0.395

P(O/E)= \frac{P(OnE)}{P(E)} = \frac{0.075}{0.395}= 0.189 = 0.19

I hope it helps!

7 0
3 years ago
Can someone please help me?<br> find the domain and range using inequalities
cluponka [151]

Answer:

A. Domain:

-  \infty  < x < 0

Range:

y =  - 4

B. Domain:

x =  - 4

Range:

-  \infty  < y <  - 4

6 0
3 years ago
newspaper stand sold 1000 copies of the city newspaper for 1600 write and solve an equation to find thw price of one copy
alukav5142 [94]

Answer:

$1.60 per paper

Step-by-step explanation:

$1600/ 1000= $1.60 per paper

8 0
2 years ago
Who has the correct experimental property?
9966 [12]
Jane has the correct experimental probability
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2 years ago
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