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Gennadij [26K]
3 years ago
6

Using the numbers 4.3, -1.07, and -2.917, write an expression containing both addition and subtraction that simplifies to a nega

tive number.
Mathematics
1 answer:
Advocard [28]3 years ago
6 0

Answer:

-1.07+(-2.917)-4.3=-8.287

Step-by-step explanation:

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A driver has three ways to get from one city to another. There is an 80 % chance of encountering atraffic jam given he is on rou
lukranit [14]

Answer:

The probability is 0.64

Step-by-step explanation:

What we want to calculate here is conditional probability.

Let P(A )= Probability of using route A = 50% = 0.5

Let P( B )= probability of using route B = 25% = 0.25

Let P (C )= probability of using route C = 25% = 0.25

Let T be the probability that he will be in a traffic Jam

The probability that he will be in a traffic Jam if he uses route A = 80%

Mathematically this is written as P( T | A) which is read as probability of T given A

so P( T | A) = 0.8

Same way for B and C which can be written as follows;

P( T | B) = 60% = 0.6

P( T | C) = 30% = 0.3

Now, what do we want to calculate?

He is in a traffic Jam, and we want to find the probability that he used route A. This means we want to find P(A) given T which can be written mathematically as P ( A | T)

We can find this using the other parameters and especially the equation below;

P ( A | T) = P(A) • P( T| A) / {P(A) • P ( T | A) + P(B)• P(T| B) + P(C) • P(T|C)

P( A | T) = (0.5 * 0.8)/ ( 0.5)(0.8) + (0.25)(0.6) + (0.25)(3) = 0.4/(0.4 + 0.75 + 0.075) = 0.4/0.625 = 0.64

4 0
2 years ago
It takes 2 bags of feed for each turkey every week.How many bags of feed do i need to fees 2 turkeys for a month?
Morgarella [4.7K]

it takes 2 bags for each turkey for a week

4 weak are there in a month

so for one turkey=4*2

                            =8

so for one turkey its 8 means

2 turkey=8+8

             =16

therefore it takes 16 bags for two turkey in a month

7 0
2 years ago
Please help it’s argent!!
vichka [17]

Answer:

=($25×5)+($125×5)

=$125+$625

=$750

6 0
1 year ago
What is the slope of (-1,2) and (0,-4)
Serga [27]

Answer:

- 6

Step-by-step explanation:

slope =  \frac{ - 4 - 2}{0 - ( - 1)}  =  \frac{ - 6}{0 + 1}  = \frac{ - 6}{ 1}  =  - 6 \\

3 0
3 years ago
Can someone please help on this problem and how it is done? Picture is attached. Thank you​
Vikki [24]
The angle passes 90 degrees plus an additional 55 degrees
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