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White raven [17]
3 years ago
7

Find the area of polygon

Mathematics
1 answer:
taurus [48]3 years ago
3 0

Answer:

to find the area of a polygon

formula: area = 1/2 x perimeter x apothem

Step-by-step explanation:

 Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.

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The average basketball has a diameter of 9.5 inches. What is the volume of an average basketball?
Elodia [21]

the formula for volume of sphere is 4/3||r^3

diameter=2radius

in the formula we need to have radius but we have been given diameter so we convert diameter to radius

d=2r

r=d/2

9.5÷2

4.75

6 0
3 years ago
What is 2x – 3 < 7 and 5 – x ≤ 8?
iren2701 [21]

Answer:

\begin{bmatrix}x

Step-by-step explanation:

2x -3 < 7 \\ 5 - x \leq  8\\\\\mathrm{Isolate}\:x\:\mathrm{for}\:2x-3

7 0
4 years ago
Read 2 more answers
Please help me! I need this to complete my math hw
babymother [125]

Answer:

  1

Step-by-step explanation:

You "complete the square" by adding the square of half the x-term coefficient. Here, that is ...

 ((-2)/2)² = 1 . . . . value added to complete the square

If you want to keep 0 on the right, you must also subtract this value:

  x² -2x -36 = 0

  x² -2x +1 -36 -1 = 0 . . . . . . add and subtract 1 on the left

  (x -1)² -37 = 0 . . . . . . . . . . . written as a square

4 0
3 years ago
PLEASE HELP ME
MA_775_DIABLO [31]

Mean: $620, Mode: $600

Let's sort the rank stats.

First quartile: $580

Median: $610

Third quartile: $645

85th percentile: $685

OK, we're ready.  What happened to a and b?

c. $645 is the third quartile, 75th percentile.  That means 25% of the salaries are higher.

Answer: 25%

d.  $685 is the 85th percentile, 15% greater.

Answer: 15%

e.  The mean is the sum of all the salaries divided by the count.  

Mean = Sum / Count

So the sum is the count times the mean,

Sum = Count × Mean  = 100 × $620 = $62,000

Big payroll.

Answer: $62,000

4 0
3 years ago
Find the slope through the given points Show your work. (2, 3) and (-5, 4)
belka [17]
The answer is (7,-1).

x1-y1 and x2-y2 gives you 2-(-5) and 3-4, so you now have a point which is (7,-1) which is the slope.
7 0
3 years ago
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