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Svetach [21]
4 years ago
6

What is $1.64 in the mixed number form

Mathematics
1 answer:
jok3333 [9.3K]4 years ago
5 0
The answer is 1 and 16/25 

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Dentify as an increase or decrease. Then find the percent of increase or decrease. If necessary, round to the nearest percent.
love history [14]

Answer:

Step-by-step explanation:

The difference is 130-150 = -20, a decrease.

-20/150 ≅ -0.133, a decrease of 13.3%

4 0
3 years ago
PLEASE HELP If P(A)=0.2 and P(A and B)=0.12, and P(A or B)=0.68, what is P(B)?
ruslelena [56]

Answer:

YOU ADD UP ALL THE DECIMALS

Step-by-step explanation:

6 0
3 years ago
Use the empirical rule to solve the problem. The annual precipitation for one city is normally distributed with a mean of 288 in
nadezda [96]

Answer:

z=-1.99

z=1.99

And if we solve for a we got

a=288 -1.99*3.7=214.4

a=288 +1.99*3.7=295.4

And the limits for this case are: (214.4; 295.4)

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the annual precipitation of a population, and for this case we know the distribution for X is given by:

X \sim N(288,3.7)  

Where \mu=288 and \sigma=3.7

The confidence level is 95.44 and the signficance is 1-0.9544=0.0456 and the value of \alpha/2 =0.0228. And the critical value for this case is z = \pm 1.99

Using this condition we can find the limits

z=-1.99

z=1.99

And if we solve for a we got

a=288 -1.99*3.7=214.4

a=288 +1.99*3.7=295.4

And the limits for this case are: (214.4; 295.4)

8 0
3 years ago
What is the value of x in the equation 2x + 3y = 36, when y = 6?<br> 8<br> 9<br> 27<br> 36
DanielleElmas [232]
9 - substitute y for 6, then subtract that from 36, which is 18. 18 divided by 2 is 9
4 0
3 years ago
Read 2 more answers
Question 8 of 20 5.0 Points The table shows the estimated number of deer living in a forest over a five-year period. Which type
skelet666 [1.2K]
It would be exponential because you just plug in the values to each type of equation to get on that equals on both sides.
HOPE THIS HELPS!!
FEEL FREE TO FOLLOW ME IF YOU NEED ANYMORE HELP IN THE FUTURE
6 0
3 years ago
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