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kozerog [31]
3 years ago
12

What is 7/9 x 5 2/5 please!

Mathematics
2 answers:
Zepler [3.9K]3 years ago
5 0

Answer:

4\frac{1}{5}

Step-by-step explanation:

=>\frac{7}{9} * 5 \frac{2}{5}

=> \frac{7}{9} * \frac{27}{5}

=> \frac{7*3}{5}

=> \frac{21}{5}

=> 4\frac{1}{5}

Lina20 [59]3 years ago
4 0

Answer:

4\frac{1}{5}

Step-by-step explanation:

\frac{7}{9} \times 5 \frac{2}{5}

\frac{7}{9} \times \frac{27}{5}

\frac{7 \times 27}{9 \times 5 }

\frac{189}{45}

\frac{21}{5}

=4\frac{1}{5}

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Explain how you got the answer(:
Natali [406]
Hey there :) I'm pretty sure that your answer is D) ∠S ≅ <span>∠Y because corresponding angles of similar triangles are congruent.

I think that it is the answer because if you shift your paper around, and look at the angles from different views, you can tell that angles S and Y are congruent, or the same, because of the way that both angles are at the end of the longer sides of both triangles.

So, your answer is D!

~Hope this helped!~</span>
8 0
3 years ago
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David is 4 times older than Adan. Adan is 2 times older than julio. Julio is 12, how old is David?
dem82 [27]
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3 years ago
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AURORKA [14]
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Pls help i really really need help on this. We just learned this but i can't remember it.
bulgar [2K]

Answer:

114 cm²

Step-by-step explanation:

Area of shaded region

= area of circle -area of square

\boxed{area \: of \: circle = \pi {r}^{2} }

Given that radius= 10cm, r= 10cm.

\boxed{area \: of \: square = side \:  \times side}

Let the length of a side of the square be x cm.

Applying Pythagoras Theorem,

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x²= 200

x =   \sqrt{200}

Area of square

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= 200cm²

Area of shaded region

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= 3.14(100) -200

= 314 -200

= 114 cm²

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