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egoroff_w [7]
2 years ago
9

What's the answer???????

Mathematics
1 answer:
mars1129 [50]2 years ago
7 0

Answer:

i belive 7

Step-by-step explanation:

becuse 3+6 in one line = 9 so 2 + 7= 9

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HELP!!!!<br><br> x ÷ 5.35 = 1.2
zloy xaker [14]

Answer:

x=6.42

Step-by-step explanation:

Multiply both sides by 5.35.

x=1.2×5.35

Simplify 1.2×5.35  to  6.42.

x=6.42

3 0
3 years ago
a fair coin is flipped 10 times. what is the probability of getting the same number of heads and tails
Dafna11 [192]

If you flip a coin one time, the probability to get a Head is

p = 1/2

The probability of not getting a head in a single toss is :

q = 1 - 1/2 = 1/2

Thus there is only one unique situation to get the same number of heads and tails : in 10 toss you need to get exactly five heads, it will means that the rest is the tails.

Now using Binomial theorem of probability, the probability of getting exactly x = 5 heads in a total of n = 10 tosses is :

P(X = 5) = \frac{10!}{5!*5!} *(\frac{1}{2})^{5} *(\frac{1}{2})^{5}≈ 0.246

So the probability of that is 24,6 %

Good Luck

3 0
2 years ago
Donovan reaches into a jar containing 6 red marbles, 3 blue marbles, 4 yellow marbles, and 5 green marbles,
vredina [299]
12 out of 18. This is because there is 6 red marbles and 18 of them all together. The question states the probability of the red marble NOT being chosen therefore you need to take away 6 from 18 leaving you with 12. I hope this made sense :)
5 0
3 years ago
The bottom 4 plz help this is worth 20
Ksenya-84 [330]
#4.
4/12 =x/25
x times 12 is 12x
4 times 25 is 100
12x=100
divide 12 by 100 to get 8.3
5 0
3 years ago
Need Help ASAP!!
gulaghasi [49]
The correct answer is B.1
7 0
3 years ago
Read 2 more answers
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