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3 years ago

Please help i will give 10 brainliests

Mathematics

1 answer:

-BARSIC- [3]3 years ago

8 0

Answer:nah

Step-by-step explanation:

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Evaluate sin 5pi/4<br> Thank you

kondaur [170]

Answer:

3.92699081699

Step-by-step explanation:

$\frac{5(3.14)}{4}\\$ =15.7/4

3 0

3 years ago

Read 2 more answers

In a certain game of chance, your chances of winning are 0.3. Assume outcomes are independent and that you will play the game fo

sergeinik [125]

Answer:

0.6517

Step-by-step explanation:

Given that in a certain game of chance, your chances of winning are 0.3.

We know that each game is independent of the other and hence probability of winning any game = 0.3 (constant)

Also there are only two outcomes

Let X be the number of games you win when you play 4 times

Then X is binomial with p = 0.3 and n =4

Required probability

= Probability that you win at most once

= $P(X\leq 1)\\=P(X=0)+P(X=1)$

We have as per binomial theorem

P(X=r) = $nCr p^r (1-p)^{n-r}$

Using the above the required prob

= 0.6517

3 0

3 years ago

A DVD player with a list price of $100 is marked down

dsp73

Answer:

$56

Step-by-step explanation:

100 - (100(0.30)) = 100 - 30 = 70

70 - (70(0.20)) = 70 - 14 = 56

5 0

3 years ago

Find x to the nearest hundreths

7nadin3 [17]

I'd say the answer is C.

5 0

2 years ago

Read 2 more answers

Quetion to represent each problem the sum of 15 and six times a number tea is 80 One what is the number

andrew-mc [135]

Answer: 11

Step-by-step explanation: The sum of 15 and six times t will be 15 + 6t = 81.

Now, you subtract 15 from both sides to isolate the constants from the variables on the left side and on the other side and you will end up with 6t = 66. Then, you divide 6 from both sides to finally isolate the numbers from the variable and 66 divided by 6 would equal 11

Hope this Helps :)

6 0

3 years ago