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natima [27]
3 years ago
11

A biology class has a total of 25 students. The number of females is 15 less than the number of males. How many males and how ma

ny females are in the
class?
Mathematics
2 answers:
slavikrds [6]3 years ago
6 0
10 females are in the class
meriva3 years ago
5 0

Answer:

10 males

Step-by-step explanation:

because 15 + 10 is 25 so the answer is 10 males and 15 females

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Answer: 0.107

Step-by-step explanation:

En una caja tenemos 8 canicas.

5 son rojas

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Quiero calcular la probabilidad de sacar dos canicas verdes.

La probabilidad de sacar una canica verde en el primer intento, es igual al cociente entre el numero de canicas verdes y el numero total de canicas.

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Ahora, en el segundo intento, en la caja voy a tener 2 canicas verdes (por que ya saque una) y 7 canicas en total. Entonces la probabilidad va a ser:

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Y la probabilidad conjunta (es decir, la probabilidad de sacar las dos canicas de color verde) va a ser igual al producto de las probabilidades individuales.

P = p1*p2 = (3/8)*(2/7) = 0.107

8 0
2 years ago
A rectangle has vertices at (-2, 1), (3, 1). (3,-2), and (-2,-2).
garri49 [273]

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Step-by-step explanation:

6 0
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