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Studentka2010 [4]
3 years ago
11

A rectangle made of square tiles measures 10 tiles long and 8 tiles wide. what is the width of a similar rectangle whose length

is 15 tiles?
Mathematics
2 answers:
ahrayia [7]3 years ago
5 0

Answer:

13

Step-by-step explanation:

postnew [5]3 years ago
4 0

Answer:

12 or 13

hope this helps

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Which of the following functions computes a value such that 2.5% of the area under the standard normal distribution lies in the
fiasKO [112]

Answer:

a) NORM.S.INV(0.975)

Step-by-step explanation:

1) Some definitions

The standard normal distribution is a particular case of the normal distribution. The parameters for this distribution are: the mean is zero and the standard deviation of one. The random variable for this distribution is called Z score or Z value.

NORM.S.INV Excel function "is used to find out or to calculate the inverse normal cumulative distribution for a given probability value"

The function returns the inverse of the standard normal cumulative distribution(a z value). Since uses the normal standard distribution by default the mean is zero and the standard deviation is one.

2) Solution for the problem

Based on this definition and analyzing the question :"Which of the following functions computes a value such that 2.5% of the area under the standard normal distribution lies in the upper tail defined by this value?".

We are looking for a Z value that accumulates 0.975 or 0.975% of the area on the left and by properties since the total area below the curve of any probability distribution is 1, then the area to the right of this value would be 0.025 or 2.5%.

So for this case the correct function to use is: NORM.S.INV(0.975)

And the result after use this function is 1.96. And we can check the answer if we look the picture attached.

6 0
3 years ago
Help plz..And No links!! I repeat No links!!<br><br> = 1 pumpkin
Sedaia [141]

Answer:

In the table:

<u>select 7 pumpkins for Reagan.</u>

<u>select 6 pumpkins for Miles </u>

<u>and select 3 pumpkins for Norma.</u>

Step-by-step explanation:

Have a nice day! :-)

6 0
2 years ago
Read 2 more answers
What is the greatest common factor of 12x 16x 8x
slega [8]

Answer:

4x

Step-by-step explanation:

The Factors of 12

1,12, 2,6 3,4

16

1,16 2,8 4,4

8

1,8 ,2,4

The highest factor they share is 4 so it would be the GCF. Then you would have to add the x back into the GCF

Hope It helped

8 0
3 years ago
Identified the pattern for the following sequence find the next three terms in the sequence -1 3 -9 27
Nastasia [14]
Each term after the first is obtained by multiplying the previous one by -3 so the answer is  -81 ,  243
7 0
3 years ago
I need help with 1 and 3 please
schepotkina [342]
For #1
city A's mean would be 10.5, then you would divide it by the number of numbers there is which is 5,So 10.5/5 is 2.1

city B's mean would be 11.6  then you would divide it by the number of numbers there is which is 5, So 11.6/5 is 2.32.

thats all I have don't know how to do #3 sorry 
4 0
3 years ago
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