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Amanda [17]
3 years ago
7

Paul needs to find 310% of 72%. which expression should he use?

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
4 0

Answer:

2.232, or 223.2%

Step-by-step explanation:

(3.1)(0.72)

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The diagonal of a square is 8 cm.
VladimirAG [237]

the length of the side of this square is 4\sqrt{2} \:or \:5.65cm

Answer:

Solutions Given:

let diagonal of square be AC: 8 cm

let each side be a.

As diagonal bisect square.

let it forms right angled triangle ABC .

Where diagonal AC is hypotenuse and a is their opposite side and base.

By using Pythagoras law

hypotenuse ²=opposite side²+base side²

8²=a²+a²

64=2a²

a²=\frac{64}{2}

a²=32

doing square root on both side

\sqrt{a²}=\sqrt{32}

a=±\sqrt{2*2*2*2*2}

a=±2*2\sqrt{2}

Since side of square is always positive so

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2 years ago
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y=C_1e^{2x}+C_2e^{-2x}+C_3xe^{-2x}
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3 years ago
Beth has 250 comic books in her collection. She begins to sell 20 of them each week. Martin has 80 comic books in his collection
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Answer:

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Step-by-step explanation:

Given that

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