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swat32
3 years ago
11

Which is a good comparison of the estimated sum and the actual sum of 7 7/8 + 2 11/12?

Mathematics
2 answers:
aleksley [76]3 years ago
5 0

Answer:27.20833333

Step-by-step explanation: all you do is add them up and pick b or a for the answers

Amanda [17]3 years ago
3 0

Answer:

D

*thinking*

you would assume that it is 11 the actual is  10 19/24

Wich is not quite 11

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ryzh [129]
I believe the answer is ab
3 0
3 years ago
Read 2 more answers
Show work<br> Find the volume of the pyramid
Burka [1]
<u></u><em>Hello there, and thank you for posting your question here on brainly.

______________________________________________________________
Answer: 128
</em>
<em>Why?
</em><em>______________________________________________________________
To find the volume of a cylinder, we have to use the formula lwh/3. The length is 8, width is 4, and height is 12. So we have to multiply all of those together, then divide by 3. (8 * 4 = 32) -> (32 * 12 = 384) -> (384/3 = 128) The volume is 128.

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<em>Hope this helped you! ♥</em><em>
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3 0
3 years ago
OH NO!!! Madeleine’s data has been corrupted, again! Using the incomplete data file below, which she was able to recover from he
-Dominant- [34]

Answer:

a. N=25

b. X[bar]= 60.52

c. Y[bar]= 106.72

d. SSx= 115.24

e. ∑X*∑Y = 4036684

f. SSxy= 202020.3296

g. √(SSx*SSy)= 449.46

Step-by-step explanation:

Hello!

Using the attached data you need to calculate some statistics.

a) N

The sample size is listed under the first column "subject" You can see that 25 subjects qhere studied so N=25.

b.

The mean of set X is equal to X[bar]= ∑X/n= 1513/25= 60.52

∑X is listed in the second table.

c.

The mean of ser Y is Y[bar]= ∑Y/n= 2668/25= 106.72

∑Y is listed in the second table.

d.

Sum of Squares of set X SSx= ∑X²-[(∑X)²/n]= 91682-[(1513)²/25]= 115.24

e.

∑X*∑Y =1513*2668= 4036684

f.

SSxy= (∑X²-[(∑X)²/n]) * (∑Y²-[(∑Y)²/n])= (91682-[(1513)²/25]) * (286482*[(2668)²/25])= 202020.3296

g.

√(SSx*SSy)= √(115.24*1753)= 449.46

I hope you have a SUPER day!

3 0
3 years ago
Melissa is making clothes for her dolls she has 7/8 yard of fabric each doll shirts require 2/7 of a yard of fabric. how many sh
vichka [17]

7/8 / 2/7 =

7/8 * 7/2 = 49/16 = 3 1/16

 she can make 3 shirts

4 0
3 years ago
T= {(8,4),(-5,-1),(8,-6)}
kow [346]
Ok what am I supposed to answer?
3 0
3 years ago
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