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Genrish500 [490]
3 years ago
10

ASAP Please! :)

Mathematics
1 answer:
Bess [88]3 years ago
3 0
According to the Ti 83:

MAD for Dataset 2 is 1.4444

And the ratio is 5/4
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‼️GEOMETRY‼️
ella [17]

Answer:

A.) 1018 square inches

Step-by-step explanation:

The largest sphere will have a diameter equaling the length of the cube (see picture).

If the side length of the cube is 18 inches, the diameter of the sphere is also 18 inches. Use the surface area formula for a circle:

SA=4\pi r^2

For this formula, we need the radius of the sphere. Divide the diameter by 2:

\frac{18}{2}=9

The radius is 9 inches. Plug this into the equation:

SA=4\pi *9^2

Simplify the equation:

SA=4\pi *81\\\\SA=324\pi \\\\SA=1017.87

Round the result to the nearest whole number:

1017.87 → 1018

The surface area is 1,018 inches².

:Done

Picture:

In a 2D version, we can clearly see that if the circle fits snuggly inside of the square, the diameter of a sphere is the same as the length of a side of the cube.

6 0
3 years ago
Please help !! Correct and first answer I’ll give you brainesttttt ! What is the equation of the line?
jasenka [17]

Step-by-step explanation:

can u give image PlZzzzz ....

7 0
3 years ago
Read 2 more answers
Heeeeellllllpppppppp PLZ FAST
grin007 [14]
The answer to this question is b
6 0
3 years ago
We are interested in finding out the proportion of adults in the United State who cannot cover a $400 unexpected expense without
serious [3.7K]

Answer:

Step-by-step explanation:

given that we are interested in finding out the proportion of adults in the United State who cannot cover a $400 unexpected expense without borrowing money or going into debt.

Sample size = 765

Favour = 322

a) The population is the adults in the United State who cannot cover a $400 unexpected expense without borrowing money or going into debt

b) The parameter being estimated is the population proportion P of adults in the United State who cannot cover a $400 unexpected expense without borrowing money or going into debt.

c) point estimate for proportion = sample proporiton = \frac{322}{765} \\=0.4209

d) We can use test statistic here as for proportions we have population std deviation known.

d) Std error = 0.01785(\sqrt{\frac{pq}{n} }

Test statistic Z = p difference / std error

f) when estimated p is 0.50 we get Z = -4.43

g) Is true population value was 40% then

Z = 1.17 (because proportion difference changes here)

7 0
3 years ago
Ana's statistics skills have been improving during her senior year at Fletcher High School. On her first end-of-the-week assessm
ikadub [295]
3-9= 6  6x4=24 65+24=89 so 89
4 0
3 years ago
Read 2 more answers
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