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nadezda [96]
2 years ago
10

Someone plz help me :(

Mathematics
1 answer:
kondaur [170]2 years ago
7 0

Answer:

the answer is 9 mark me brainlest

Step-by-step explanation:

A P E X

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You are given an unfair coin (i.e. a coin where the probability of it landing on either side is NOT 1/21/2) and told that the pr
andrey2020 [161]

Here we have a problem of probability, we will find that the probability of landing in heads is M/N = 1/3, then we have:

M + N = 1 + 3 = 4.

Let's see how we got that:

Let's define:

p = probability of landing on tails

q = probability of landing on heads.

The probability of getting at least one tails in 3 tosses is 26/27

This means that the probability of not getting tails in the 3 tosses is:

P = 1 - 26/27 = 1/27

And the case where you do not get any tails in the 3 tosses, means that in all the 3 tosses you got heads.

The probability of getting 3 heads in a row is:

P = q^3 = 1/27

Solving for q, we get:

q = ∛(1/27) = 1/3

Now we want to express q = M/N = 1/3

then we have:

M = 1

N = 3

Now we want to compute M + N = 1 + 3 = 4

If you want to learn more about probability, you can read:

brainly.com/question/24369877

6 0
2 years ago
Jerry sold 7/20 of the toral number of tickets that we're sold for the spring band concert
Juli2301 [7.4K]

Question is Incomplete;Complete question is given below;

Jerry sold 7/20 of the total number of tickets that were sold for the spring band concert. What percent of the total number of tickets did jerry sell.

Answer:

Jerry sold 35 % of the total tickets.

Step-by-step explanation:

Given:

Jerry sold tickets = \frac{7}{20} of total number of tickets

We need to find the percent of the total number of tickets Jerry sold.

Solution:

to find the percent of the total number of tickets Jerry sold we need to multiply the fraction by 100 we get;

framing in equation form we get;

Percent of the total number of tickets Jerry sold = \frac{7}{20}\times100 = 35\%

Hence Jerry sold 35 % of the total tickets.

5 0
3 years ago
How do u solve 2x+15=1
pickupchik [31]
You would subtract 15 on both sides and then you would have 2x=-14 then you divide both sides by 2 and x would equal -7
8 0
3 years ago
Read 2 more answers
The population of Wakanda is 5231281. Wakanda is about 70323 square miles. What is the population density of Wakanda? Round your
Mila [183]
5.231.281 : 70.323 = 74,3 people per square mile
or 74 people per square mile
7 0
3 years ago
Jason has 208 baseball cards. This is 52 less than the number of cards that Robert has.
V125BC [204]

Answer:

B) R - 52 = 208

Step-by-step explanation:

Robert has 52 more cards than Jason, who has 208, so Robert has 208 + 52 cards. This can be turned into:

R = 208 + 52

then subtract 52 from both sides:

R - 52 = 208 + 52 - 52

R - 52 = 208

and that's the answer

4 0
2 years ago
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