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valina [46]
3 years ago
9

Is this graph a function?

Mathematics
1 answer:
strojnjashka [21]3 years ago
5 0

Answer:

Yes it is a function

Step-by-step explanation:

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What is <img src="https://tex.z-dn.net/?f=%28%5Cfrac%7B1%7D%7B5%7D%20%29%5E%7B4%7D" id="TexFormula1" title="(\frac{1}{5} )^{4}"
DanielleElmas [232]

\sf{Hey!}

\boxed{\underline{Question:}}

(\frac{1}{5})^4 = \frac{1}{632}

If you want the decimal.

^A^n^s^w^e^r^~:

0.0016.

\huge\bold{\textbf{\textsf{{\color{EXPLANATION :}{}}}}}

Apply exponent rule: (\frac{a}{b})^c =\frac{a^c}{b^c}

= \frac{1^4}{5^4}

1^4=1

=\frac{1}{5^4}

5^4=625

= \frac{1}{625}

Hope It Helps. . .

Answer~:

\sf{Jace}

5 0
2 years ago
Write an equation that would be perpendicular to the following equation- y= -1/5 x + 8​
brilliants [131]

Answer:

y=5x+8

Step-by-step explanation:

If its perpendicular it will have opposite slope but the same y intercept

8 0
2 years ago
There is a bag filled with 3 blue and 4 red marbles.
tresset_1 [31]

Using the hypergeometric distribution, it is found that there is a 0.4286 = 42.86% probability of getting 2 of the same colour.

The marbles are chosen without replacement, hence the <em>hypergeometric </em>distribution is used to solve this question.

<h3>What is the hypergeometric distribution formula?</h3>

The formula is:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • N is the size of the population.
  • n is the size of the sample.
  • k is the total number of desired outcomes.

In this problem:

  • There is a total of 3 + 4 = 7 marbles, hence N = 7.
  • Of those, 3 are blue, hence k = 3.
  • 2 marbles will be taken, hence n = 2.

The probability of getting 2 of the same colour is the sum of P(X = 0), which is both red, with P(X = 2), which is both blue, then:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,7,2,3) = \frac{C_{3,0}C_{4,2}}{C_{7,2}} = 0.2857

P(X = 2) = h(2,7,2,3) = \frac{C_{3,2}C_{4,0}}{C_{7,2}} = 0.1429

Hence:

p = P(X = 0) + P(X = 2) = 0.2857 + 0.1429 = 0.4286

0.4286 = 42.86% probability of getting 2 of the same colour.

You can learn more about the hypergeometric distribution at brainly.com/question/4818951

3 0
2 years ago
The Hernandez family's pool holds 2.715,69 gallons of water. An Olympic-size swimming pool holds
kirill [66]

Answer:

a

Step-by-step explanation:

its a

7 0
3 years ago
What is 10x10? I really need some help please and thank you.
REY [17]
Br uh it’s 100 thx for the points
6 0
2 years ago
Read 2 more answers
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