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Ksju [112]
4 years ago
14

Standard deviations

Mathematics
1 answer:
nevsk [136]4 years ago
3 0

Answer:

WHAT IS THE QUESTION

Step-by-step explanation:

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PLEASE HELP WITH MY HOMEWORK PLEASE.
alexira [117]

Answer:

115°

Step-by-step explanation:

The sum of angle measures of a pentagon is 540°, so your unknown angle can be found from ...

... 103° + 100° +110° +112° +unknown = 540°

... unknown = 540° -425° = 115° . . . . . . . . subtract 425° from both sides

_____

<em>Angles of a polygon</em>

The external angles lf a convex polygon always sum to 360°. The sum of internal and external angles is, of course, 180°. So, an n-sided polygon has internal angle measures that sum to ...

... n×180° - 360° = 180°×(n -2)

Thus, a pentagon has internal angles that sum to ...

... 180°×(5 - 2) = 540°

4 0
3 years ago
-2.105 as a fraction?
Bezzdna [24]
The easiest way is if it doesn't need to be simplified. Multiply -2.105 by \frac{1000}{1000}. You get the fraction -\frac{2105}{1000}. While this is technically the answer, you can simplify this down to \frac{421}{200}. Because 421 is a prime number, this can not be simplified any further. Therefore, the solution is \frac{421}{200}.

\frac{421}{200}.
6 0
3 years ago
20 POINT'S!!!!!!!!!<br> HELP!!!
zalisa [80]

Well, the base and height would still be applicable (essentially, base is just width and height is just, uh, height,)

So basically the area of one triangle is 0.5(7*6), which is 21

The area of one triangle is option c., 21.

3 0
3 years ago
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A cone has a diameter of 3 inches. The cone holds 12 cubic inches of water. To the nearest inch, what is the height of the cone?
Cerrena [4.2K]
Use the equation for the volume of a cone to solve for the height:
V= \frac{1}{3} \pi r^{2}h \\&#10;12= \frac{1}{3} \pi *2.25h \\&#10;h=5.096 inches
5 0
3 years ago
Help with math diagram asap thank u :)
Aleks [24]

Answer:

2

Step-by-step explanation:

5 0
3 years ago
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