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3 years ago

Question is below with the image (WIll mark brainiest if u answer 1st)

Mathematics

2 answers:

wolverine [178]3 years ago

8 0

Yes, an octagon is a regular polygon as the shape has atleast 3 straight sides and formed angles.

miv72 [106K]3 years ago

6 0

Yes it’s a regular polygon I Think

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Please answer the question in the photo, thanks!

belka [17]

Answer:

$\therefore 2\dfrac{1}{3} \div \left ( -3\dfrac{2}{3} \right ) = -\dfrac{7}{11}$

Step-by-step explanation:

The question relates to dividing a fraction by proper and another fraction

The given expression is presented as follows;

$2\dfrac{1}{3} \div \left ( -3\dfrac{2}{3} \right )$

We rearrange the fractions as improper fractions for easier division as follows;

$2\dfrac{1}{3} = \dfrac{7}{3}$

$-3\dfrac{2}{3} = -\dfrac{11}{3}$

Therefore, we have;

$2\dfrac{1}{3} \div \left ( -3\dfrac{2}{3} \right ) = \dfrac{7}{3} \div \left (-\dfrac{11}{3} \right ) = \dfrac{7}{3} \times \left (\dfrac{1}{-\dfrac{11}{3} } \right ) = \dfrac{7}{3} \div \left (-\dfrac{3}{11} \right ) =-\dfrac{7}{11}$

$\therefore 2\dfrac{1}{3} \div \left ( -3\dfrac{2}{3} \right ) = -\dfrac{7}{11}$

4 0

2 years ago

What is the LCM of 3 and 7

Dima020 [189]

Answer:

The LCM of 3 and 7 is 21.

Step-by-step explanation:

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6 0

3 years ago

Read 2 more answers

Two 5 inch pulleys are Connected by a untwisted straight belt if the first pulley is turned clockwise at 15 rpms in what directi

lorasvet [3.4K]

Answer:2

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Find the value of the expression

Amiraneli [1.4K]

3m^2+2p^2-15

3(3)^2+2(10)^2-15
3(9)+2(100)-15
21+200-15
206

3 0

3 years ago

A rowing team rowed 90 miles while going with the current in the same amount of time as it took to row 10 miles going against th

lys-0071 [83]

Answer:
let x=rate of the rowing team in still water
x+4=rate of the rowing team with current
x-4=rate of the rowing team against current
travel time=distance/rate
..
90%2F%28x%2B4%29=10%2F%28x-4%29
90x-360=10x+40
80x=400
x=5  rate of the rowing team in still water=5 mph

4 0

3 years ago