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Nana76 [90]
3 years ago
15

6 and 15 * Your answer

Mathematics
1 answer:
aliya0001 [1]3 years ago
6 0

Answer:

can you please show more details about the question

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Express
MakcuM [25]
Answer is x-1/3x^2
Merry Christmas
6 0
3 years ago
The sum of twice a number and 13 is 75
Nina [5.8K]
So what they are saying is the sum of 2x +13=75
Therefore we can just solve for 2x, our unknown value.
2x+13=75 now subtract 13 and divide by 2 from both sides of equation to not change the equation
x+13-13=75-13
This leaves us with
x=(75-13)/2=31 therefore x=31 or our unknown value is 31.

I hope this helped. Any questions please just ask. Thank you.
3 0
3 years ago
Help binomial distributions
Ymorist [56]

We have the formula to compute the probability of having exactly k successed over n trials, given a probability p of success (and implicitly a probability 1-p of failure), which is


P(\text{k successed on n trials}) = \binom{n}{k}p^k(1-p)^{n-k}


Now, the probability of at least 3 successes is the union of the following event: exactly three successes,exactly four successes and exactly five successes.


We can compute their probability and sum them:\binom{5}{3}\left(\frac{3}{7}\right)^3\left(\frac{4}{7}\right)^2 + \binom{5}{4}\left(\frac{3}{7}\right)^4\left(\frac{4}{7}\right)^1 + \binom{5}{5}\left(\frac{3}{7}\right)^5 \approx 0.36788


So, the answer is about 36.79%

3 0
3 years ago
How can i solve this???
Ghella [55]

That's simple!!!

-12/19 = b/19

as denominators are same, you can cancel that.

b = -12


7 0
3 years ago
Read 2 more answers
For which equation is (4, 3) a solution?<br> O y=2x-1<br> Oy=3x-4<br> Oy=2x-5<br> Oy= x + 3
Helen [10]
The answer is Y=3x-4
5 0
3 years ago
Read 2 more answers
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