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Dahasolnce [82]

3 years ago

7

Which shape has opposite sides that are parallel and 4 sides that are always the same length? A. parallelogram B. rhombus C. tra

pezoid D. rectangle

1 answer:

maria [59]3 years ago

5 0

Square is the answer you are looking for.

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GIVING BRAINIEST IF CORRECT!!<br> Find the area of the shaded region.

Andreyy89

Area of Shaded triangle as a whole: 136cm^2
Area of Rectangle 1 : 20cm^2
Area of Rectangle 2 : 6cm ^ 2

Area of the shaded region :
136 - (20+6)
136 - (26)
110 cm^2

8 0

2 years ago

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What is the sum of the geometric series 2+6+18+...+486?

marin [14]

Answer:

728

Step-by-step explanation:

2+6+18+...+486

a=2

r=6/2=3

$a_{n}=ar^{n-1}\\486=2(3)^{n-1}\\3^{n-1}=486/2=243=3^5\\n-1=5\\n=5+1=6\\S_{6}=2\frac{3^6-1}{3-1} \\=2\frac{729-1}{2}\\=728$

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3 years ago

What is the greatest possible product of a 2 digit number and a 1 digit number?

sladkih [1.3K]

Highest 2-digit number = 99
<span>Highest 1-digit number = 9 </span>
<span>Highest possible sum from 2, 2-digit numbers = 198 </span>
<span>Highest possible sum from 2, 1-digit numbers = 18</span>

5 0

2 years ago

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Vhat is the ninth term of the geometric sequence 3,9, 27, ... ?

ExtremeBDS [4]

I think 36 but not sure

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2 years ago

Which ordered pair is a solution of the equation?

elixir [45]

I'm in middle school but I don't even know what is thatttttt????

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2 years ago

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