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loris [4]
3 years ago
8

Suppose that a coin has been altered to come up heads 80% of the time. If many samples of 60 coin flips are taken, which of the

following is the number of heads that would likely come up most frequently in a sample?
Mathematics
2 answers:
Zigmanuir [339]3 years ago
7 0

60*80%=

60*0.8 = 48

 one of your choices should be 48 or something close to 48

laiz [17]3 years ago
3 0

Answer:

<h2>There are gonna be 48 heads after 60 coin flips with those altered coins.</h2>

Step-by-step explanation:

Givens

  • The coind has 80% chnages to come up heads.
  • There are 60 coins.

If there 60 coins flips, the number heads would probably be

80\%(60)=0.80(60)=48

Therefore, there are gonna be 48 heads after 60 coin flips with those altered coins.

Remember that the percentage represents the probability of getting heads in one trial, if we make several trials, we must multiply that number with the probability of the single event.

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If the factors of a quadratic function are (x + 2) and (x − 9), what are the x-intercepts of the function?
Zielflug [23.3K]

Answer: D. (-2,0) and (9,0)

Step-by-step explanation:

When you equate the factors to 0 you get

(X+2) = 0

X = -2

(X-9) = 0

X= 9

Here the Y value is 0 as you find the factors of x when the Y value is 0.

So the answer is (-2,0) and (9,0)

8 0
3 years ago
Part 1. Please show work. Please assist me with these math problems. ​
Vitek1552 [10]

Answer: 1) 2, 3, 4, 9, 32, 279, 8896, 2481705, 22077238784

              2) 2,490,924

              3) Neither

<u>Step-by-step explanation:</u>

S_n=S_{n-2}\cdot (S_{n-1}-1)\quad \\\\S_1=2\quad given\\S_2=3\quad given\\S_3=S_1(S_2-1)\quad =2(3-1)\quad =4\\S_4=S_2(S_3-1)\quad =3(4-1)\quad =9\\S_5=S_3(S_4-1)\quad =4(9-1)\quad =32\\S_6=S_4(S_5-1)\quad =9(32-1)\quad =279\\S_7=S_5(S_6-1)\quad =32(279-1)\quad =8,896\\S_8=S_6(S_7-1)\quad =279(8896-1)\quad =2,481,705\\S_9=S_7(S_8-1)\quad =8896(2481705-1)\quad =22,077,238,784

\sum^8_{k=1}S_k\\\\=S_1+S_2+S_3+S_4+S_5+S_6+S_7+S_8\\\\= 2,490,924\\

Neither

Not arithmetic because the difference between each of the terms is not the same.            

                        S₂ - S₁          S₃ - S₂           S₄ - S₃      

                      3 - 2 = 1       4 - 3 = 1          9 - 4 = 5

Not geometric because the ratios between each of the terms is not the same.                

                       \dfrac{S_2}{S_1}=\dfrac{S_3}{S_2}\qquad \rightarrow \dfrac{3}{2}=\dfrac{4}{3}\qquad \rightarrow \text{cross multiply to get}: 9\neq 8

8 0
3 years ago
A 2-column table with 5 rows titled Fruit Prices. Column 1 is labeled fruit with entries apples, cherries, grapes, pears, strawb
pychu [463]

Answer:

4.22 pounds of strawberries

7.2 pounds of apples

8 0
3 years ago
Read 2 more answers
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crimeas [40]
Your answer will be x • 4³ = 64x
When simplifying powers, the rule is that if you’re dividing two powers with the same base (in this case the base is 4), you need to subtract the powers. For example, 3³ ÷ 3² = 3 (which is 3^1).
Using this rule, we can see that 4^8 ÷ 4^5 = 4^(8-5) = 4³.
The x is on top of the fraction and we’re not dividing by an x, so it doesn’t change. Therefore your final answer is 64x.
I hope this helps!
5 0
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Fynjy0 [20]

Answer:

12,157,665,459,057,000,000

Step-by-step explanation:

It seems like it would have to involve exponents.  3 to the 40th power would be 12,157,665,459,057,000,000.  

8 0
3 years ago
Read 2 more answers
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