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4 years ago

How do you find the product 2/5 X 3/9

2 answers:

7 0

$\frac{2}{5} * \frac{3}{9} 

$

So you go from a straight line from one number to another.

2*3 = 6
5*9 = 45

$\frac{6}{45}$

Now simplify and you get your final answer $\frac{2}{15}$

Svet_ta [14]4 years ago

5 0

$\frac{2}{5}×[tex] \frac{3}{9}$
2×3=6
5×9=45
$\frac{6}{45}= \frac{2}{15}$

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Balu had a collection of coins. 1/2 of the coins are from asian countries, 1/3 of them from european countries, 36 are from amer

Georgia [21]

The total number of coins Balu had in his collection was <u>216 coins</u>, computed using the linear equation in one variable, <u>x = x/2 + x/3 + 36</u>.

Asian coins were 1/2 a fraction of this, that is, (1/2)*216 = <u>108 coins</u>.

We assume the total coins with Balu to be x.

The fraction of coins from Asian countries = 1/2.

Thus, the number of coins from the Asian countries = 1/2 of x = x/2.

The fraction of coins from European countries = 1/3.

Thus, the number of coins from the European countries = 1/3 of x = x/3.

The number of coins from America = 36.

Thus, the total number of coins = x/2 + x/3 + 36.

But, we assumed that the total number of coins is x.

Thus, we get a linear equation in one variable as follows:

x = x/2 + x/3 + 36.

We solve this equation as follows:

x = x/2 + x/3 + 36,

or, x - x/2 - x/3 = 36,

or, (6x - 3x - 2x)/6 = 36,

or, x/6 = 36,

or, x = 36*6 = 216.

Thus, the total number of coins Balu had in his collection was <u>216 coins</u>, computed using the linear equation in one variable, <u>x = x/2 + x/3 + 36</u>.

Asian coins were 1/2 a fraction of this, that is, (1/2)*216 = <u>108 coins</u>.

Learn more about fractions at

brainly.com/question/2929160

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3 years ago

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Tom [10]

<h2>Answer:</h2>

$A=4.2025\pi$

<h2>Step-by-step explanation:</h2>

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