3 years ago

A fair die is cast four times. Calculate

Mathematics

1 answer:

Dvinal [7]3 years ago

4 0

Answer:

That's incredible. I have that exact problem on my website.

Here is my explanation.

My website says probability = 0.131944444444445

https://www.1728.org/occupncy8.htm

Step-by-step explanation:

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5 people take 12 hours to build a wall.<br> How long would it take 3 people to build the wall?

mafiozo [28]

Step-by-step explanation:

5p=12h

3p=?(h)

12×3=5h

36=5h

h=36/5

h=7.2 hours

8 0

3 years ago

the ages of two students are in the ratio of 3:5,if the older is 40yrs. How old is the younger student

kati45 [8]

Answer:

24 years

Step-by-step explanation:

total ratio =8

older student=40 years

3/8*40 ÷ 5/8=24

5 0

3 years ago

Given that sin(90 -5ϴ) = Cos(180 - ϴ), Find the value of ϴ<br>

lilavasa [31]

Answer:

30°

Step-by-step explanation:

$\because \: \sin(90 \degree - \theta) = \cos \theta \\ \therefore \: \sin(90 \degree - 5 \theta) = \cos 5\theta....(1) \\ \\ \sin(90 \degree - 5 \theta) = \cos(180 \degree - \theta)...(2) \\ from \: (1) \: and \: (2) \\ \cos 5\theta = \cos(180 \degree - \theta) \\ 5 \theta = 180 \degree - \theta \\ 5 \theta + \theta= 180 \degree \\ 6\theta= 180 \degree \\ \theta = \frac{180 \degree}{6} \\ \\ \huge \red{ \boxed{\theta = 30 \degree}}$