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Serhud [2]
2 years ago
12

a square with an area of 1 square meter is decomposed into 9 identical small squares. Each small square is decomposed into two i

dentical triangles. what is the area in square meters of 6 triangles
Mathematics
1 answer:
Papessa [141]2 years ago
5 0

Area of one big square = 1 square meter

Now the bigger square is divided into 9 smaller square

Area of 9 small squares = Area of 1 big square= 1 square meter

So applying unitary method we can find are of 1 small square.

Area of 1 small square = 1/9 square meter

Now each small square is divided into two identical triangles.

So ,

Area of 1 triangle = 1/2 of area of 1 small square =(1/2) (1/9) = 1/18 square meter

Again applying unitary method to find area of 6 triangles,

Area of 6 triangles = 6 * area of 1 triangle = 6 * (1/18) = 1/3 square meter

Answer : Area of 6 triangles is 1/3 square meters.



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Lian invested an amount of money at an interest rate of 5.2% per year.
Zigmanuir [339]

Answer:

$6500

Step-by-step explanation:

Let the amount of money invested by Lian be $x

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interest earned in first year will be  5.2% of  amount of money invested by Lian .

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interest earned in one year if money invested by Lian is $x

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But , it is given in one year  she received interest of 338 dollars

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equating $338 with  5.2% of $x  , we have

5.2% of x  = 338

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7 0
1 year ago
Calculate δe, if q= 0.764 kj and w= -830 j . express your answer using two significant figures.
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Given:
Q = 0.0764 kJ = 764 J, heat input
W = -830 J, useful work done

From the 1st Law of Thermodynamics, the change in internal energy is
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2 years ago
Last year Lenny had an annual earned income of $58,475. He also had passive income of $1,255, and capital gains of $2,350. What
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<u>Answer:</u>  d. $62,080

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

<u></u>

The capital gain is the profit earned from an investment whereas the passive income is the income generated by very minimal daily efforts.

Given: Annual income earned by Lenny = \$58,475

Passive income =  \$1,255

Capital gain =  \$2,350

Now,  \text{Total gross income =Annual income+Passive income+Capital gain}

=\$58,475+\$1,255+\$2,350=\$62,080

Hence, Lenny's total gross income for the year = $62,080

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1 year ago
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