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Mathematics

1 answer:

Brilliant_brown [7]3 years ago

5 0

Answer: C. x = 6; m∠XOY = 18

Step-by-step:

We see that ZOW and WOX are supplementary, meaning the sum of their angles equal 180.

We also know that WOY is a right angle and equals 90.

Now we can solve

180-108 = 72

90 - 72 = 18

XOY = 18

Because 3x = 18, we know that x = 18 by dividing 18 by 3

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7.75 as fraction or mixed number

UNO [17]

It would be 7 with 75 over 100....it would look like 7 75/100. then simplify it.

4 0

3 years ago

hat is the average rate of change of f(x), represented by the table of values, over the interval [-2, 3]? x f(x) -6 2.5 -2 2.5 0

vodomira [7]

Your table of values is so difficult to read that many of us helpers would just skip your post.

<span>x f(x) -6 2.5 -2 2.5 0 2 2 0 3 5 5 2.5 1 0.5</span> could be put into far clearer format as follows:

x f(x)
-- -----
-6 2.5
-2 2.5
and so on. Please fix it.

The "average rate of change" formula is

f(x2) - f(x1)
av r of c = ---------------
x2-x1

so if you go from (-6, 2.5) to (2.5, 10.5), the av r of c would be

10.5 - 2.5 9 18
------------------ = -------- = -----
2.5-(-6) 8.5 17

This may or may not be your final answer. Again, please put your data table into readable form and then find the av r of c over the interval [-2,3].

7 0

3 years ago

A cylinder has a volume of 187 cubic inches. If the radius is 3 inches, what is the height of the cylinder in inches?

frozen [14]

Answer:

Step-by-step explanation:

V = pi r^2 h

V = 187

pi = 3.14

r = 3

h = ?

187 = 3.14 * 3^2 * h