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Feliz [49]
3 years ago
9

Help please

Mathematics
2 answers:
murzikaleks [220]3 years ago
6 0

Answer:

The probability is 16%

Step-by-step explanation:

Let's call A the event in which there is rain tomorrow and B the event in which the football game is postponed.

So, Taking into account that the event A and B are independent, the probability that happens A and B is calculated as:

P(A∩B) = P(A)*P(B)

From the question, we know that P(A) is 80% and P(B) is 20%, so P(A∩B) is:

P(A∩B) = 0.8*0.2=0.16

Then, the probability that it will rain tomorrow and the football game will be postponed is 0.16 or 16%

Gelneren [198K]3 years ago
5 0

there is a 4% chance the game will be postponed

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55 C + 13 is less than or equal to 75 C + 39
alisha [4.7K]

Answer:

Less than

Step-by-step explanation:

55 C + 13 is definitely less than 75 C + 39.

7 0
3 years ago
Francine ran 3 1/2 laps around the circular track in the school gym. The track has a diameter of 1/2 miles. About how far does F
Juliette [100K]

Answer:

Francine run 5.495 miles

Step-by-step explanation:

Given :

Francine ran  3\frac{1}{2}  laps around the circular track in the school gym.

The track has a diameter of 1/2 miles.

To Find :  About how far does Francine run?

Solution :

First we need to calculate the perimeter of circular track :

Perimeter of circle :  2\pi r

Since we are given the diameter = 1/2 miles = 0.5 miles

So, Radius will be (Diameter/2) = 0.5/2 = 0.25 miles

So, The perimeter will be:

2\pi *0.25

0.5\pi

Since \pi =3.14

⇒0.5*3.14

⇒1.57

Thus the circular track is of 1.57 miles .

Since she ran   3\frac{1}{2}  = 7/2=3.5 laps

1 lap = 1.57 miles

So, 3.5 laps = 1.57*3.5 =5.495 miles .

Hence ,  Francine run 5.495 miles


6 0
3 years ago
Which number is the opposite of the number 2? its -2 right?
Luba_88 [7]
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