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jenyasd209 [6]
3 years ago
10

A fair coin is flipped 10 times and the results are observed. The coin lands heads-side up 4 times.

Mathematics
2 answers:
Vedmedyk [2.9K]3 years ago
5 0

Answer:

The experimental probability of the coin landing tails-side up is <u>60</u><u>%</u><u>.</u>

Step-by-step explanation:

The probability of it landing heads up is 4/10. You can use 4/10 to find how many times it landed on tails.

10/10 - 4/10= 6/10 now convert 6/10 into a percentage, 60/100=<u>60%</u>

stich3 [128]3 years ago
4 0

Answer:  0.6

Step-by-step explanation:

Given : the total number of times a fair coin flipped = 10

The total number faces on a fair coin (Tail/head)=2

Since, the number of times coin lands heads-side up=4

Then , the number of times coin lands on tails = 10-4=6

Now, the experimental probability of the coin landing tails-side up will be :-

\text{P(Tail)}=\dfrac{\text{Number of times coin lands on tails}}{\text{Total number of times coin flipped}}\\\\=\dfrac{6}{10}=0.6

Hence, the experimental probability of the coin landing tails-side up = 0.6

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What is true about the completely simplified sum of the polynomials 3x^2y^2-2xy^5 and -3x^2y^2 + 3x^2y^2 + 3x^4y?
WINSTONCH [101]

Given:

The polynomials are:

3x^2y^2-2xy^5

-3x^2y^2+3x^2y^2+3x^4y

To find:

The completely simplified sum of the polynomials.

Solution:

We have,

3x^2y^2-2xy^5

-3x^2y^2+3x^2y^2+3x^4y

The sum of given polynomials is:

Sum=3x^2y^2-2xy^5-3x^2y^2+3x^2y^2+3x^4y

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Therefore, the sum of the given polynomials is -2xy^5+3x^4y+3x^2y^2. It is a polynomial with degree 6 and leading coefficient -2.

5 0
3 years ago
15/3 + (6,5 + 4,2) - 0,6 <br><br> Please show your work, thank you :)
kifflom [539]

Answer:

15/3 + (6.5 + 4.2) - 0.6 = 15.1

Step-by-step explanation:

You can first reduce the fraction to 5 when you multiply by 3, then calculate what's in the parenthesis. So now you have 5 + 10.7 - 0.6, then just solve from left to right. Hope this helps

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2 years ago
A triangle has perimeter 59 cm. The lengths of the sides are 2x – 5 cm, 3x + 2 cm and 2x – 1 cm.
Dennis_Churaev [7]

Answer:2x - 5cm + 3x +2cm + 2x - 1cm=59cm

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Step-by-step explanation:

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3 years ago
What is Four times the number +8 in Algebraic expression for
mario62 [17]
I think the answer is 32x
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3 years ago
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