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creativ13 [48]
3 years ago
10

Factor completely. vwx + wxy - xyz

Mathematics
2 answers:
Ivahew [28]3 years ago
7 0

Answer:

C would be your answer, Hope i can help you

Step-by-step explanation:

xenn [34]3 years ago
6 0
The answer to the question

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The temperature started at 35 F. If the temperature went down 4°F and then up 2 F, whats is the temperature differe relative to
sashaice [31]
35-4+2 = 31+2 = 33 F
6 0
3 years ago
Read 2 more answers
A cell phone provider classifies its customers as Low users (less than 400 minutesper month) or High users (400 or more minutes
Svet_ta [14]

Answer:

a ) See step by step explanation

b) 50%   and  50%

Step-by-step explanation:

The definition of type of user x is:

if x < 400 minutes  per month  low user

if x > 400 minutes per month  high user

The value for these states are of course yes  or no  ( the user is low or high user)

Then:

if the user is low today  xt  (0)    we have the probability of 80% ( 0,8) of have the user in the same condition and 20% (0,2) of having him or her as high user

xt = 1      

If the user is high today xt (1) is high today we have the probability of 70% ( 0,7) of having  the user in the same condition and 30% (0,3) of having him or her as high user

a) Then we construct the stochastic matrix

 Type of user

         (xt)               xt         xt+1  

      Low (0) or L   0,8        0,2

     High(1)  or H   0,3        0,7

The resulting equation system is:

xt  =  0,8* xt  +  0,2* xt+1

xt+1  = 0,3*xt + 0,7* xt+1

1  =  xt + xt+1

Solving for variables         xt+1  =  1  - xt

xt  = 0,8*xt + ( 1 - xt ) * 0,2

xt - 0,8*xt = 0,2 - 0,2xt

xt - 0,6*xt = 0,2

0,4*xt = 0,2

xt = 0,5       and     xt+1  = 0,5

b)  If in January 0,5  ( 50%) of customesr were  low user

In february  teh % of low user customer wll be

xt  =  0,8* xt  +  0,2* xt+1

0,5 = 0,8*0,5 + 0,2*xt+1

0,5 = 0,4 + 0,2 *xt+1

0,1/0,2 = xt+1        xt+1 = 0,5       or   50%

The same answer for March

7 0
3 years ago
When written in scientific notation, the number 4,500 will have a Choose... 2 4 3 as the exponent on the power of ten
nexus9112 [7]
The exponent would be 3.
4.5 x 10^3
6 0
3 years ago
I neeeeeeddddd helppppppppppppppp
Aleks04 [339]

Answer:

x = 4

Step-by-step explanation:

Cross multiply:

21*2 = 14(x - 1)

42 = 14x - 14

14x = 56

x = 4

8 0
3 years ago
Read 2 more answers
When a 49 pound weight is attached to the spring, the spring stretches 7 inches. Assume that the length of the spring y varies d
stealth61 [152]
I'm not totally sure, but it might be y= x/7.
8 0
3 years ago
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