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Savatey [412]
3 years ago
5

Write 200 in simplest form.

Mathematics
1 answer:
slega [8]3 years ago
8 0

Step-by-step explanation:

Therefore, 200/100simplified to lowest termsis 2/1.

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Joel is mailing a large envelope to his cousin. The envelope has pictures inside, so he doesn't want to bend it.
Nuetrik [128]

Answer: Put a cardboard piece inside the envelope then mail it

Step-by-step explanation: If you make the cardboard piece the exact size as the pictures then put it behind all of the pictures it would make it hard for the pictures to bend if it has support.

8 0
3 years ago
What is the factored form of this expression? 2x^3+5x^2+6x+15
Licemer1 [7]

Answer: (2x+5)(x^2+3)

Step-by-step explanation:

6 0
2 years ago
Assuming that the population is normally​ distributed, construct a 9090​% confidence interval for the population mean for each o
jasenka [17]

Given:

Set A: 1 4 4 4 5 5 5 8

Mean: 4.5

Standard dev: 1.9

 

Set B:

Mean: 4.5

Standard dev: 2.45

 

% =  90 

Set A:

Standard Error, SE = s/ √n =    1.9/√8 = 0.67  

Degrees of freedom = n - 1 =   8 -1 =  7   

t- score =  1.89457861

<span> <span><span> <span>   </span> </span> </span></span>

Width of the confidence interval = t * SE =     1.89457861* 0.67 = 1.272685913

Lower Limit of the confidence interval = x-bar - width =      4.5 - 1.272685913 = 3.23

Upper Limit of the confidence interval = x-bar + width =      4.5 + 1.272685913 = 5.77

The 90% confidence interval is [3.23, 5.77]

 

Set B:

Standard Error, SE = s/ √n =    2.45/√8 = 0.87  

Degrees of freedom = n - 1 =   8 -1 = 7   

t- Score =  1.89457861

<span> <span><span> <span>   </span> </span> </span></span>

Width of the confidence interval = t * SE =     1.89457861* 0.87 = 1.641094994

Lower Limit of the confidence interval = x-bar - width =      4.5 - 1.641094994 = 2.86

Upper Limit of the confidence interval = x-bar + width =      4.5 + 1.641094994 = 6.14

The 90% confidence interval is [2.86, 6.14]

 

<span>We can obviously see that sample B has more variation in the scores than sample A. The fact that the standard deviation is 2.45 for B and 1.9 for A). Therefore, they yield dissimilar confidence intervals even though they have the same mean and range.</span>

6 0
3 years ago
At the rate shown in the table, how many weeks did it take to sell 700 books? [Type your answer as a number.]
Yuri [45]

Answer:

3

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
COMPLETE THE EXERCISE BELOW TO DECOMPOSE 930
PolarNik [594]
I saw the complete problem:

complete the exercise below to decompose 930

930 = _____ tens = ____ x ____

My answer is:

930 = ninety-three tens or 93 tens = 93 x 10
5 0
3 years ago
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