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Alexxandr [17]
3 years ago
12

Help with multi step inequalities please

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0

Answer:

B. The solution is valid because all steps to solve the inequality for F are correct.

Step-by-step explanation:

F - 32 ≤ 0

Add 32 to both sides of the equation to have;

F -32 + 32 ≤ 0 + 32

F ≤ 0 + 32

F ≤ 32

It can be observed that to solve for F, the steps are correct. Thus the solution is valid. Therefore, the correct choice in the given question is the solution is valid because all steps to solve the inequality for F are correct.

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Lamont measured a city park and made a scale drawing. In real life, the soccer field is 70 meters wide. It is 175 millimeters wi
Alekssandra [29.7K]

Answer: Your complete answer is - 105

Step-by-step explanation: subtract 70 from 175 and your answer is 105

6 0
3 years ago
Common factor of 54z^3 and 18z and 36z^2
likoan [24]

Answer:

18z

Step-by-step explanation:

The highest common factor of 54, 18 and 36 is 18

The highest common factor of z³, z and z² is z

The highest common factor of 54z³, 18z and 36z²

is therefore 18z

6 0
3 years ago
. A binary string containing M 0’s and N 1’s (in arbitrary order, where all orderings are equally likely) is sent over a network
Sophie [7]

Answer:

P(k) = \frac{\binom{N}{k} \binom{(M+N) - N}{r-k}}{\binom{M+N}{r}}

Step-by-step explanation:

We can model the string as a hypergeometric distribution, as each bit has two possible values, 1 or 0, and the chance of a 1 or 0 changes with every bit, as there are a finite number M of 0's and N of 1's and every bit takes one of those values.

If M+N (total size of the string) >> r (number of trials), we could model it as a binomial distribution as the probability of a 1 or 0 wouldn't change in a significant amount with every bit, but as we don't know the magnitude of M+N and r, we follow up with hypergeometric distribution.

The distribution has the following formula for probability:

P(k) = \frac{\binom{K}{k} \binom{N - K}{n-k}}{\binom{N}{n}}

Where k is the number of sucesses, K is how many total sucess states are in the population, N is the population size and n is the number of draws.

For our case, a 1 would be a sucess, i.e. k the number of 1's we want to know the probability, N our total number of 1's, M+N the length of the string (population size) and we want to analyse what happens in the first r bits (number of draws):

P(k) = \frac{\binom{N}{k} \binom{(M+N) - N}{r-k}}{\binom{M+N}{r}}

8 0
3 years ago
-5/8+(-8/5)= i do not understand how to solve this
nika2105 [10]

Answer:

first find a LCM or least common multiple

-25/40+(-64/40)=

add the numerators or top number

-88/40

then you simplify it

-2 8/40

-2 1/5

I hope this is good enough:

8 0
2 years ago
abel drew some triangles.his drawing had 21 vertices. how many triangles did he draw?write a division equation to answer the que
Vilka [71]
Triangles have 3 vertices. The total is 21 vertices. 21 / 3 = 7. He drew 7 triangles.
3 0
3 years ago
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