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FinnZ [79.3K]
3 years ago
8

In the number 9440 how many times greater is the 4 marked x more Han 4 marked y

Mathematics
1 answer:
allsm [11]3 years ago
4 0
I dont even know what your asking 
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miv72 [106K]
What if you divide it by 100?
8 0
2 years ago
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A university with a high water bill is interested in estimating the mean amount of time that students spend in the shower each d
Bas_tet [7]

Answer: (4.0845,\ 6.5755)

Step-by-step explanation:

As per given , we have

n = 11

\overline{x}=5.33\\\\ s=1.33

Since population standard deviation is missing, so we use t-test.

Critical t-value for 99% confidence :

t_{\alpha/2,\ n-1}=3.106   [using two-tailed t-value table]

Confidence interval :

\overline{x}\pm t_{\alpha/2}\dfrac{s}{\sqrt{n}}\\\\= 5.33\pm (3.1060)\dfrac{1.33}{\sqrt{11}}\\\\\approx5.33\pm1.2455\\\\=(5.33-1.2455,\ 5.33+1.2455)\\\\=(4.0845,\ 6.5755)

Hence,  99% confidence interval for the mean amount of time that students spend in the shower each day.= (4.0845,\ 6.5755)

7 0
3 years ago
HELPPPP ASAP PLEASE!!!!
wlad13 [49]

Answer:

the answer is C

Step-by-step explanation:

7 0
3 years ago
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WhAt is the answer to -12 - 3=-51
svet-max [94.6K]
Greetings!

Simplify both sides of the equation.
-12 - 3=-51
-15 \neq -51

Both sides of the equation are not equal.

Hope this helps.
-Benjamin
7 0
4 years ago
Find the surface area of the regular pyramid.
spayn [35]

Answer:

Answer = 93.6

Step-by-step explanation:

frist multipy 9 x 13 to get 117 than divided it by 2 = 58.5, than times it by 3 since there is three sides.

(58.5 x 3 is 175.5)      

Than for the base multipy 7.8 x 9 = 70.2, but since its a tri, divided it by 2 = 35.1.

Add 58.5 and 35.1 to get 93.6

5 0
2 years ago
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