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Otrada [13]
4 years ago
5

I don't know how to do it

Mathematics
1 answer:
Fofino [41]4 years ago
5 0
There is no ten-thousandth...
You might be interested in
Si un triángulo tiene una hipotenusa de 15 cm y un cateto que mide 12 cm, ¿cual es la longitud del otro cateto?
BartSMP [9]

Answer:

   

9cm

Explicación:

El teorema de pitagoras nos dice que la hipotenusa al cuadrado es igual a la suma de los catetos al cuadrado:

c^{2} =a^{2} + b^{2}

Donde c es la hipotenusa y a  y b son los catetos.

Por lo cual, podemos reemplazar c por 15cm y a por 12cm :

15^{2} =12^{2} +b^{2}

Finalmente , debemos resolver la ecuación para b, así que b es igual a :

225=144+b^{2} \\225-144=144+b^{2} -144\\81=b^{2} \\\sqrt{81} =b\\9=b

Por lo tanto, la longitud del otro cateto es 9 cm

3 0
3 years ago
[(3 x 2) - 2 x 1.25]
kondor19780726 [428]

Answer:

3.5

Step-by-step explanation:

[(3 x 2) - 2 x 1.25] = [6 - 2 x 1.25]

                            = [6 - 2.5]

                            = 3.5

5 0
3 years ago
Read 2 more answers
Please help me<br> I don’t know this
Marianna [84]

Answer:

1. 10/21

2. 11/21

Step-by-step explanation:

5 0
3 years ago
4) A skating rink rents skates at $3.95 for the first hour plus $1.25 for each additional hour. When you returned your skates, y
galina1969 [7]

Answer:

3 hours

Step-by-step explanation:

First we can find how much money you had to pay for keeping the skates for the additional hours:

$7.70-$3.95=$3.75

Now we find how many hours you kept the skates...

$3.75/$1.25 per hour=3 hours

3 0
2 years ago
If x = -6, which inequality is true?
ziro4ka [17]

Answer:

1-2x>13

Step-by-step explanation:

1-2x>13

-2x>13-1

-2x>12

x>-12/2

x<-6

7 0
3 years ago
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