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aivan3 [116]
3 years ago
15

What is 9×10^4 equal to

Mathematics
1 answer:
aleksandrvk [35]3 years ago
4 0
9*10^4
Simplify the exponent
9*10,000
Multiply
Final Answer: 90,000
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Please show work thank you
Ne4ueva [31]

Answer: 70 mph

Step-by-step explanation:

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3 years ago
A function is graphed on the coordinate plane. What is the value of the function when x = 2 ? Question 4 options:
Greeley [361]
I believe the answer is 4/3
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3 years ago
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
(- 10.7) and (-3.5)
gogolik [260]

Answer:

-14.2

Step-by-step explanation:

5 0
2 years ago
A kite is fllying 115 ft above the ground. The length of the string to the kite is 150 ft, measured from the ground. Find the an
Kitty [74]

Answer:

The answer is sin θ = 115/150

4 0
3 years ago
Read 2 more answers
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