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deff fn [24]
3 years ago
8

WORTH 30 POINTS! ANSWER ASAP! ALSO WILL GIVE BRAINLIEST!

Mathematics
1 answer:
jonny [76]3 years ago
5 0

Answer:

384mm

Step-by-step explanation:

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The sum of two numbers is 50 and their difference is 4 what are the two numbers
Deffense [45]

Answer:

27 and 23

Step-by-step explanation:

We can solve this problem as a system of equations. X is the first number and Y is the second number.

The first equation is x+y = 50 and the second equation is x-y=4

Now we solve the system, using elimination method:

x+y=50

x-y=4

2x = 54

x = 54/2

x = 27

And from any of the equations we can find Y

27 + y = 50

y = 50 - 27

y = 23

6 0
3 years ago
Tia performed an experiment where she flipped a coin 200 times. The coin landed heads up 92 times and tails up 108 times. Which
ra1l [238]

Total number of times she flipped a coin =200.

Total number of heads in the experiment=92

Total number of tails in the experiment=108

Therefore probability of the coun landing heads up in this experiment is 0.5

In the above experiment, the probability of the coin landing heads up is

P(H)= 92/200 = 0.46

In the above experiment, the probability of the coin landing tails up is P(T) = 108/200 = 0.54

The ratio obj represent the experimental probability of the coin landing heads up in this experiment

Therefore the correct option is 1.

3 0
2 years ago
Read 2 more answers
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
What is the solution for -10 < x - 9?
algol13

。☆✼★ ━━━━━━━━━━━━━━  ☾

-10 < x - 9

Add 9 to both sides:

-1 < x

The correct answer would be option C

Have A Nice Day ❤    

Stay Brainly! ヅ    

- Ally ✧  

。☆✼★ ━━━━━━━━━━━━━━  ☾

7 0
3 years ago
2 times the sum of a number and 5 is 20
d1i1m1o1n [39]

The number is 5. Steps shown below

8 0
3 years ago
Read 2 more answers
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