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7nadin3 [17]
3 years ago
7

Can u help me with this or I’m going to get in trouble !

Mathematics
1 answer:
Alchen [17]3 years ago
5 0

Answer:

Step-by-step explanation:

d

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Your little brother just learned how to flip and catch a coin. He believes that by catching the coin in mid-air, he can influenc
coldgirl [10]
<h2>Answer explanation:</h2>

If a coin is fair then it has two faces , one is heads and the another is tails.

The probability getting any favorable outcomes is given by the formula :-

\dfrac{\text{Number of favorable outcomes}}{\text{Total outcomes}}

So the factor effecting probability is just the number of  favorable outcomes and total outcomes.

If a coin is tossed then the probability of getting heads will be :-

P(H)=\dfrac{1}{2}=0.5=50\%

To get heads always this should be 1 , which can be happen if number of  favorable outcomes is equal to total outcomes.

i.e. Number of heads = Number of total outcomes, this means coin should be biased.

Catching the coin in mid-air can never be a factor for this.

Therefore, the little brother's theory is false.

8 0
3 years ago
Which expressions are equivalent to (2^2-9) (x + 3)?
mestny [16]

Answer:

(x^2-3^2)(x+3)

(x-3)(x+3)(x+3)

(x-3)(x+3)^2

Step-by-step explanation:

Given

(x^2-9)(x+3)

Required

Select 3 equivalent expressions

(x^2-9)(x+3)

Express 9 as 3^2

(x^2-3^2)(x+3) --- This is one equivalent expression

Take x^2 - 3^2 as difference of two squares

(x-3)(x+3)(x+3) -- This is another equivalent expression:

Solving further:

(x-3)(x+3)(x+3) becomes

(x-3)(x+3)^2   -- This is another equivalent expression:

Hence, the equivalent expressions are:

(x^2-3^2)(x+3)

(x-3)(x+3)(x+3)

(x-3)(x+3)^2

7 0
3 years ago
HURRY PLZ!!!!!! Which graph shows a negative correlation?
Anna [14]

Answer:

The answer is C

Step-by-step explanation:

did the test on edg

7 0
3 years ago
Read 2 more answers
Sin230°=<br><br> 1. sin130°<br> 2. -sin50°<br> 3. sin50°
belka [17]

Answer:

cosine30

Step-by-step explanation:

3 0
3 years ago
13.
Solnce55 [7]

Answer:

answer would be E. 16,000,000

Step-by-step explanation:

if you put 8,180 x 2,099 in the calculator you get 17,169,820

just round that number and you get 16,000,000

hope this helped!!

4 0
3 years ago
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