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Licemer1 [7]
3 years ago
10

Para hacer un polideportivo se ha comprado una parcela triangular cuyos lados miden 300m , 375m y 362m .

Mathematics
1 answer:
NeTakaya3 years ago
7 0

Answer:

3334650.54 euros

Step-by-step explanation:

We can calculate the area of the triangle knowing its sides by means of Heron's formula:

A = \sqrt{p(p-a)(p-b)(p-c)}

Where p is the semi-perimeter is equal to:

p = \frac{a+b+c}{2}

now, we replace:

p = \frac{300+375+362}{2}

p = 518.5

now, we replace this value and we are left with:

A = \sqrt{518.5(518.5-300)(518.5-375)(518.5-362)}

A = 50440.94 m^2

Now to know the price, we multiply by the price of the square meter:

50440.94 * 66.11 = 3334 650.54

In other words, the value of the parcel is 3334 650.54 euros

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Please answer with explanation
nalin [4]

Answer:

(a)- 2 [ ( - \frac { 1 } { 4 } ) - 12 ( - 1 ) ^ { 2 } ] - 5 [ 24 + 2 ( - 12 ) ] ^ { 2 }−2[(−

4

1

)−12(−1)

2

]−5[24+2(−12)]

2

Do the arithmetic.

Calculate -1−1 to the power of 22 and get 11.

-2\left(-\frac{1}{4}-12\right)-5\left(24+2\left(-12\right)\right)^{2}−2(−

4

1

−12)−5(24+2(−12))

2

Subtract one term from another.

Subtract 1212 from -\frac{1}{4}−

4

1

to get -\frac{49}{4}−

4

49

.

-2\left(-\frac{49}{4}\right)-5\left(24+2\left(-12\right)\right)^{2}−2(−

4

49

)−5(24+2(−12))

2

Multiply two factors together.

Multiply -2−2 and -\frac{49}{4}−

4

49

to get \frac{49}{2}

2

49

.

\frac{49}{2}-5\left(24+2\left(-12\right)\right)^{2}

2

49

−5(24+2(−12))

2

Multiply two factors together.

Multiply 22 and -12−12 to get -24−24.

\frac{49}{2}-5\left(24-24\right)^{2}

2

49

−5(24−24)

2

Subtract one term from another.

Subtract 2424 from 2424 to get 00.

\frac{49}{2}-5\times 0^{2}

2

49

−5×0

2

Multiply two factors together.

Multiply 55 and 00 to get 00.

\frac{49}{2}-0

2

49

−0

Add two terms together.

Subtract 00 from \frac{49}{2}

2

49

to get \frac{49}{2}

2

49

.

\frac{49}{2}

2

49

2

49

=24.5

(b)−a

2

b

2

−3a

3

b

2

a=−

3

1

b=−1

Step-by-step explanation:

Hope it helps u

FOLLOW MY ACCOUNT PLS PLS

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3 years ago
What is twice the sum of 3 and 1<br> 1. Multiply by 2<br> 2. Divide by 2<br> 3. Add 2
faltersainse [42]

Answer:

10

Step-by-step explanation:

Twice the sum of 3 and 1 is 8.

8 times two is 16.

16 divided by 2 is 8.

8 plus 2 is 10.

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3 years ago
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The local car dealership has noticed a 3:1
morpeh [17]

Answer:

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Step-by-step explanation:

3:1

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Ana’s gymnastics scores were posted on the scoreboard in order from highest to lowest score. One digit in her floor score is not
BabaBlast [244]

Answers :a) digits are 1, 2, 3, 4 , b) difference is 0.367

Step-by-step explanation:

The floor score must be higher than 15.133 and lower than 15.500

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Then all the possible digits are 1 , 2 , 3 and 4

The difference between her vault score and her uneven bar score is

15.500 - 15.133 = 0.367

Answers :a) digits are 1, 2, 3, 4 , b) difference is 0.367

\textit{\textbf{Spymore}}

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