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Margarita [4]
3 years ago
7

Which answers best describes the series: 3+9+2.7+8.1+...

Mathematics
1 answer:
stiv31 [10]3 years ago
5 0
Every second number s probably three times the first number.

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-0.75 is it rational or irrational
Mademuasel [1]

-0.75 is a rational number because it can be expressed as the fraction -3/4 and it is an integer

6 0
3 years ago
Read 2 more answers
What is the sum of the interior angles of the polygon shown below
DanielleElmas [232]

Answer:

720 degrees.

Step-by-step explanation:

The sum of the interior angles of a convex polygon with  n  sides is

180(n - 2)  degrees.

In this case,  n = 6 sides, so the angle sum is

180(6 - 2) = 180(4) = 720 degrees.

The reason this works is that if you draw a diagonal from one vertex to the others (see attached image), you get 2 fewer triangles than the number of sides.  Each triangle contains a total of 180 degrees, so the total of all the interior angles is 180(n - 2).

7 0
2 years ago
PLEASE HELP I WILL GIVE BRAINLIEST! Mason already has 11 plants in his backyard, and he can also grow 1 plant with every seed
slava [35]

Mason needs 9 more seed packets to have a total of 20 plants in his yard.

Simplified:

20-11=9

6 0
2 years ago
3. Name three colinear points?
Alex787 [66]

Answer:

ABC

Step-by-step explanation:

They are on the same line.

4 0
3 years ago
Howard is designing a chair swing ride. The swing ropes are 55 meters long, and in full swing they tilt in an angle of 29? . How
Allushta [10]

Answer: 50.85 meters

<u>Step-by-step explanation:</u>

cos 29 = \frac{55}{h}

55 cos 29 = h

48.10 = h

Pole  = h + 2.75

        = 48.10 + 2.75

         = 50.85

3 0
3 years ago
Read 2 more answers
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