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romanna [79]
3 years ago
13

What is the volume? Multiple choice. Please and thank you

Mathematics
2 answers:
mojhsa [17]3 years ago
7 0
The volume is A) 41.9 because you do pi times (radius squared) times height/3
Levart [38]3 years ago
5 0
Its A!!
hope this helps1
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What is 2 with an exponent of negative 2 equal to?
balu736 [363]

Answer:

So since we have 2^-2 We can do 1/2^2  = 0.25

So if you have y^-x = 1/y^x

6 0
3 years ago
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Will mark BRAINLIESTT
bogdanovich [222]

Answer:

2.5

Step-by-step explanation:

16-13.50

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If f(x) = 4x2 and g(x) = x+1, find (f•g)(x)
slamgirl [31]

Answer:

4x^3+4x^2

Step-by-step explanation:

f(x) = 4x^2

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7 0
3 years ago
Can u guys help me please with 5,6,7,8
iogann1982 [59]
An explanation for this is that a straight line has a angle degree value of 180. Therefore if you draw the line that creates a 139 degree angle, the rest of the line would have an angle measurement of what is left of the 180 degrees. So to get x you would start with the 180 degree straight line value and subtract the 139 degrees of the line that divides it. so equation is:
180 - 139 = x
And and you get 41 degrees.
(To word this another way the two angles of x and 139 have to add up to the straight line of 180 degrees. Therefore another equation could be:
139 + x = 180
which is basically the same equation but might be easier explanation for some to understand.)


questions 7 and 8 are the same but instead of straight line with 180 degrees, you start with right angle with 90 degrees. Therefore x and the 18 degree angle have to add up to 90 degrees making an equation of:
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4 0
3 years ago
To estimate the average annual expenses of students on books and class materials a sample of size 36 is taken. The sample mean i
Elena L [17]

Answer:

C) $826.82 to $873.18.

Step-by-step explanation:

Sample mean (M) = $850

Standard deviation (s) = $54

sample size (n) = 36

Z for 99% confidence interval (Z) = 2.576

The confidence interval is determined by the following relationship:

M \pm Z*\frac{s}{\sqrt{n}}

Applying the given values, the lower (L) and upper (U) values are:

850 \pm 2.576*\frac{54}{\sqrt{36}}\\L=\$826.82\\U=\$873.18

The answer is C) $826.82 to $873.18.

6 0
3 years ago
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