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Nimfa-mama [501]
2 years ago
5

De cuántas formas pueden mezclarse los siete colores del arco iris tomándolos de tres en tres?

Mathematics
1 answer:
Tanzania [10]2 years ago
5 0

Answer:

hi

Step-by-step explanation:

1+1=2

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Find (f-g)(x) for the following functions. f(x) = 12x + 20 g(x) = –11x2 + 10x + 33
IRINA_888 [86]

Answer:

11x2 + 2x-13

Step-by-step explanation:

We must build the new function f-g, which turns to be a sum between polynomials.

f(x)-g(x)= 12x+20 + 11x2- 10x-33

f(x)-g(x)= 12x+20 + 11x2- 10x-33

f(x)-g(x)= 11x2 + 2x-13

3 0
3 years ago
Read 2 more answers
if tom spins the spinner 80 times work out an estimate for the number of times the spinner will land on 3 please help me
NNADVOKAT [17]

Answer:

The estimated number of times the spinner will land on 3 is 20.

Step-by-step explanation:

The complete question is:

A four-sided spinner is provided. If Tom spins the spinner 80 times then work out an estimate for the number of times the spinner will land on 3.

Solution:

Assume that the four-sided spinner is unbiased.

That is all the four outcomes are equally likely to be selected.

The probability that the spinner lands on any of the four numbers is:

P(1) = P (2) = P (3) = P (4) = 0.25

It is provided that Tom spins the spinner <em>n</em> = 80 times.

The spinner can land on any of the four numbers independently.

The random variable <em>X</em>, defined as the number of times the spinner lands on 3, follows a Binomial distribution with parameters <em>n</em> = 80 and <em>p</em> = 0.25.

The expected value of <em>X</em> is:

E(X)=np

        =80\times 0.25\\=20

Thus, the estimated number of times the spinner will land on 3 is 20.

7 0
3 years ago
Pythagorean Theorem with Known Legs
7nadin3 [17]

c {}^{2}  = 7 {}^{2}  + 9 {}^{2} \\ c {}^{2}  = 49 + 81 \\ c {}^{2}  = 130 \\ c =  \sqrt{130}

<h2>Answer</h2>

<h2> 130</h2>
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2 years ago
What t chart matches the equation y=x^2-2
blondinia [14]
The answer is y=xz-2
8 0
3 years ago
200 miles divided by 8​
yulyashka [42]

Answer:

25

200 divided by 8 is 25.

Step-by-step explanation:

6 0
3 years ago
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