2 years ago

Four angles are formed by the intersection of the diagonals of this quadrilateral. Which statement is NOT true?

Mathematics

2 answers:

galben [10]2 years ago

4 0

I think I don’t know sorry

kirza4 [7]2 years ago

3 0

Answer:

Can’t really understand your question!!

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vitfil [10]

Answer: 28

the cost of 7 diaries is 28

Step-by-step explanation:

First you have to find out the cost of one diary by dividing 12 by 3, that will give us 4, and then the last step is multiplying 4 by 7.

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Find the area of a square if its sides measure 2 2/3m

olga55 [171]

Answer:

$7\dfrac{1}{9}\ m^2$

Step-by-step explanation:

If the length of the square side is a units, then the area of the square is

$A=a^2\ un^2.$

In your case, the side length is

$a=2\dfrac{2}{3}\ m,$

then the area is

$A=2\dfrac{2}{3}\cdot 2\dfrac{2}{3}\\ \\ \\A=\dfrac{2\cdot 3+2}{3}\cdot \dfrac{2\cdot 3+2}{3}\\ \\ \\A=\dfrac{8}{3}\cdot \dfrac{8}{3}\\ \\ \\A=\dfrac{64}{9}\\ \\ \\A=7\dfrac{1}{9}\ m^2$

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3 years ago

Help help help!!!!!!!!! <br><br> 7√96m³

harkovskaia [24]

Answer:

6584.22

Step-by-step explanation:

used a calculator (ti-84 plus tx instruments)

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2 years ago

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Please can you answer it because I need the answer

andre [41]

Answer:

For x^2 + 5x - 14 = 0

x1= -7, x2 = 2

For x^2 + 5x + 6 = 0

x1 = -3, x2 = -2

Step-by-step explanation:

Pls see attached....

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3 years ago

Please help me, I am completely lost...

charle [14.2K]

5 is the answer, you are welcome.

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3 years ago