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11111nata11111 [884]
3 years ago
14

Write 1/4x-3/4y=-1 in standard form work out need asap please

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0
The answer is x - 3y = -4
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A basketball player participates in a one-and-one free throw situation. The player has a 70% free throw percentage. What is the
julia-pushkina [17]

Answer:

The average number of points this player will get in 100 one-and-one free throw situations is 70.

Step-by-step explanation:

For each free throw, there are only two possible outcomes. Either the player makes it, or he does not. The probability of the player making a free throw is independent of other free throws. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

E(X) = np

70% free throw percentage.

This means that p = 0.7

What is the average number of points this player will get in 100 one-and-one free throw situations?

This is E(X) when n = 100. So

E(X) = np = 100*0.7 = 70

The average number of points this player will get in 100 one-and-one free throw situations is 70.

3 0
3 years ago
Read 2 more answers
A city has a population of 240,000 people. Suppose that each year the population grows by 7.75%. What will the population be aft
emmasim [6.3K]

Answer:

\large\boxed{\sf \ \ \   404,699 \ \ \ }

Step-by-step explanation:

Hello,

At the beginning the population is 240,000

After 1 year the population will be

   240,000*(1+7.75%)=240,000*1.0775

After n years the population will be

   240,000\cdot1.0775^n

So after 7 years the population will be

   240,000\cdot1.0775^7=404699.058...

So rounded to the nearest whole number gives 404,699

Hope this helps

7 0
3 years ago
Please answer, will give brainliest.
vladimir1956 [14]

Answer:

third one

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
If f(x) = x-9, then f '(x) =​
erica [24]

Answer:

1

Step-by-step explanation:

If you are just looking for the derivative, then all you need to use the power rule for this. Technically the x in (x-9) has a power to the 1, so really x^1-9. To use power rule, you bring down the exponent, in this case, 1, and then minus 1 from what the exponent was.

1x^(1-1) = 1x^0. The derivative of any constant is 0, so don't even worry about the -9. We know that anything raised to the zero is just 1, so in this case your answer is 1.

Hope this helps :)

4 0
2 years ago
The area of a rectangle is represented by x^2-5c-14. What are the dimensions?
jekas [21]
The dimensions are factors of the expression 
... you multiply them together to get the area 

the factors are ... (x - 7) & (x + 2)
5 0
3 years ago
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