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2 years ago

Qual é a frequência de cada gênero de leitura citados?

Mathematics

1 answer:

Karo-lina-s [1.5K]2 years ago

6 0

Answer:

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Solve with elimination

Fittoniya [83]

I'm pretty sure this is correct

4 0

3 years ago

It takes 4/5 of an hour to paint 2/5 of a room, how long does it take to paint one room?

BlackZzzverrR [31]

Answer:

120 min

2 hrs

Step-by-step explanation:

60 min=1 hr

60 min/5=12 min

12(4)=48 min

24 min=1/5 of room

24(5)=120 min

120 min=2 hrs

7 0

2 years ago

Find the circumference a circle with the diameter AB A (-8,4) and B (4,-1)

Simora [160]

Answer:

C = 13π ≈ 40.82 units

Step-by-step explanation:

C = 2 r π = d π

AB = $\sqrt{(-8-4)^2 +(4+1)^2}$ = 13 units

C = 13π ≈ 40.82 units ( π ≈ 3.14 )

7 0

2 years ago

Please help me, i will give you brainliest

True [87]

Answer:

Step-by-step explanation:

(segment piece) x (segment piece) = (segment piece) x (segment piece)

JN* NK = LN * NM

3x = 2*6

3x = 12

Divide by 3

3x/3 =12/3

x =4

6 0

2 years ago

Determine if the events A and B are independent. Show all steps.

zmey [24]

Answer:

$P(A U B ) = \frac{13}{25}$

Step-by-step explanation:

STEP:-1

Given that events A and B are independent then

P(A ∩B ) = P(A) P(B)

Given that P(A) = 2/5 and P(B) = 1/5

STEP:- 2

P(A ∩B ) = P(A) P(B)

$P(A U B) = P(A) +P(B) - P(A n B )$

$P(A U B ) = P(A) +P(B) - P(A) P(B)$

Step(iii):-

$P(A U B ) = \frac{2}{5} +\frac{1}{5} - \frac{2}{5} X \frac{1}{5}$

$P(A U B ) = \frac{3}{5} - \frac{2}{5} X \frac{1}{5}$

$P(A U B ) = \frac{3}{5} - \frac{2}{25}$

$P(A U B ) = \frac{15-2}{25} = \frac{13}{25}$

4 0

2 years ago

Qual é a frequência de cada gênero de leitura citados?​

Qual é a frequência de cada gênero de leitura citados?