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sammy [17]
3 years ago
5

What kind of shape is this? O A. Not a polygon O B. Triangle O c. Quadrilateral O D. Pentagon​

Mathematics
1 answer:
Sophie [7]3 years ago
6 0

Answer:

Add the picture please :) i will go on your page and answer when you add the image. Remember to always double check if you have the image clipped on whenever you ask something that needs an image, thank you.

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What is 3 1/4 - 4 1/2<br>????
nlexa [21]

you have to make sure that they have the same denominator so

31/4 -4 2/4

= - 1 1/4

hope this helped you hon


7 0
3 years ago
Read 2 more answers
It is assumed that the test results for a class follow a normal distribution with a mean of 78 and a standard deviation of 36. I
HACTEHA [7]

Answer:

0.7143

- You know the minimum possible grade of the student

- You want to find out the probability that that grade which is greater than 72 is also greater than 84

- Expect the answer to be 0.7143

- The explanation/steps is given below

- The answer seems (and is) reasonable. You only created a new lower limit.

Step-by-step explanation:

Distribution Type: Normal

Mean: 78

Standard deviation: 36

Range of marks: [78 - 36], [78 + 36]  = [42 to 114]

If you know that a student's grade is greater than 72, what is the probability that it's greater than 84?

In this case, the full probability level is between 72 and the upper limit of 114 (instead of between 42 and 114). First, find the fraction of this probability.

[114 - 72] ÷ [114 - 42]  = 42/72  = 0.5833

So, the probability of a student's mark falling between 72 and 114 is 0.5833.

Now making this a whole interval, 114 - 72 = 42

What fraction of this interval of 42 will bear marks between 84 and 114?

[114 - 84]  = 30

30/42  = 0.7143

Because of the first part of the question "If you know (are sure) that a student's grade is greater than 72...", your answer stops at 0.7143, since 72 was used as the lower limit.

8 0
2 years ago
The Perimeter Of A Parallelogram Is 72 Meters. The Width Of The Parallelogram Is 4 Meters Less Than It’s Length. Find The Length
saul85 [17]

The width would be x-4 and  

Length would be x  

Add all of the sides together  

(x-4)+(x-4) + x + x =72,

Which would come out

4x-8=72

Subtract 8 fro, 72 and you get 64  

Then divided 64 by 4

So. Width is 16 and length is 20 .         given (x-4)  


5 0
2 years ago
What element is 1s22s22p63s23p63d104s24p65s24d105p6
sp2606 [1]

Answer:

carbon

Step-by-step explanation:

it is obvious you can tell

7 0
2 years ago
Sky is a member of her school’s golf team. The table shows her scores from each of her matches. What was her average golf score?
barxatty [35]
70 70 70 70 70 70 70
6 0
1 year ago
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