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olganol [36]
3 years ago
12

Jeremy collected data from an experiment he performed in science class. He compiled his data in this table.

Mathematics
1 answer:
Hitman42 [59]3 years ago
6 0
Im pretty sure it’s A
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4. Elena va a una fiesta pero no sabe que ponerse, así que lanza un moneda y un dado al
taurus [48]

Answer:

  • <u>1/4</u>

Explanation:

Hola. Puesto que tu pregunta está en español, te responderé en el mismo lenguage.

Estas son las posibilidades dadas por la combinación moneda/dado

                                      Número de combinaciones

Moneda: prenda

    Cara: vestido                 1 de 2:          1/2

     Sello: falda                    1 de 2:          1/2

Dado: color

    Par: negro                      3 de 6:          3/6

    Impar: café                     3 de 6:         3/6

En total son 2 × 6 resultados: 12 (incluye resultados repetidos, no son todos diferentes entre sí)

¿Cuántas combinaciones tienen vestido y color negro?

  • P(Vestido∩negro) = ?

Es decir: moneda = cara y dado = par

  • Son 1 × 3 = 3.

Por tanto, la probabilidad de vestido negro es:

  • 3 de 12 = 3/12 = 1/4 ← respuesta

Hay otras formas de resolverlo. Por ejemplo;

Como los resultados de lanzar la moneda y el dado son independientes:

  • P(Vestido∩negro) = P(Vestido) × P(Negro)
  • P(Vestido) = 1/2
  • P(Negro) = 3/6 = 1/2
  • P(Vestido) × P(Negro) = 1/2 × 1/2 = 1/4 ← mismo resultado
8 0
4 years ago
Penny reads 13 pages in 1/2 hour. What is the unit rate for pages per hour? For hours per page? How many hours per page
horsena [70]

Answer:

13 pages : 1/2 hour Multiply both sides by 2

26 pages : 1 hour ------>> 26 pages/hr

Flip over 26 pages/hr ----->>> hr / 26 pages = 1 hr / 26 pages

Split up the fraction: (1/26) hr / page

6 0
3 years ago
Read 2 more answers
Help me out with this please​
34kurt

Answer: Its A

Step-by-step explanation:

Its the most reasonable answer the others seem off

8 0
3 years ago
Read 2 more answers
Find the exact value of x.
il63 [147K]

Answer:

here is the exact value of x=16

5 0
2 years ago
Can someone pls help me and explain
icang [17]
The floor tile is made up of 5 pieces of 2 inches by 2 inches square.

Area of 1 square = 2 x 2 = 4 in²

Area of 5 square = 4 x 5 = 20 in²

Volume of the floor tile = 20 x 3/4 = 15 in³

------------------------------------------
Answer: 15 in³ (Answer G)
------------------------------------------

5 0
3 years ago
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