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Kaylis [27]
3 years ago
8

If you were to flip a coin twenty times, approximately how many times do you think heads would come up?

Mathematics
2 answers:
Gemiola [76]3 years ago
8 0
Theoretically 10 because the 50/50 chance realistically though you'll get more or less
Llana [10]3 years ago
7 0
The probability of heads on any toss is just as likely as the probability of tails because each coin toss is an independent event.  In other words two events related in such a way that knowing about the occurrence of one event has no effect on the probability of the other event, in others words independent.

It does not matter if you have flipped a coin 5 times and it was heads, it is not "due" to come up tails.  This is an incorrect assumption just like it is incorrect to believe you are "on a roll" because 5 times it was heads.  
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allochka39001 [22]
The answer is D because the whole circle is 369 degrees the big arc is 202 so 360- 202 is 158 then you have an inscribed angle of 35 multiply it by two to find the arc of that so it would be 70 so subtract 158-70=88 and you can see that that section of 88 is part of an inscribed angle so divide by two to get the answer of 44
5 0
2 years ago
EASY MATHS PLS HELP​
Fofino [41]

Answer:

(1.25, - 5 )

Step-by-step explanation:

Given the 2 equations

- 4x + 3y = - 20 → (1)

4x + 2y = - 5 → (2)

Adding the 2 equations term by term will eliminate the x- term

5y = - 25 ( divide both sides by 5 )

y = - 5

Substitute y = - 5 into either of the 2 equations and solve for x

Substituting into (2)

4x + 2(- 5) = - 5, that is

4x - 10 = - 5 ( add 10 to both sides )

4x = 5 ( divide both sides by 4 )

x = \frac{5}{4} = 1.25

Solution is (1.25, - 5 )

3 0
3 years ago
Read 2 more answers
The Quinn family drove 228 miles in 4 hours at a constant rate. Which equation can be used to determine how far they traveled ea
anyanavicka [17]
What can be used on this is the distance over time formula, so what you,do is divide 228 by 4 to get the distance traveled in one hour. And 288/4=57. So they traveled 57 mi in one hour. Hope this helped.
6 0
3 years ago
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<img src="https://tex.z-dn.net/?f=%20-%208y%20%5Cgeqslant%2056" id="TexFormula1" title=" - 8y \geqslant 56" alt=" - 8y \geqslant
SCORPION-xisa [38]

Answer:

y ≤-7

Step-by-step explanation:

-8y ≥56

Divide each side by -8.  Remember to flip the inequality

-8y/-8 ≤56/-8

y ≤-7

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3 years ago
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nata0808 [166]

Answer:

The file will help

Step-by-step explanation:

7 0
3 years ago
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