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yan [13]
2 years ago
15

If f(x)= 5x, what is f^-1(x)?

Mathematics
1 answer:
Helen [10]2 years ago
8 0

Step-by-step explanation:

f( x) {}^{ - 1}  \\ f(x) = 5x \\ y = 5x \\ x = 5y \\ y =  \frac{x}{5}  \\ f(x) {}^{ - 1}  =  \frac{x}{5}

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What is the probability that the first marble is blue and the second marble is yellow?
Cloud [144]

Answer:

\frac{1}{14}

Step-by-step explanation:

<u><em>First time drawing:</em></u>

Total outcome is 8

Favorable outcome is 2

The probability that the first marble drawing in random is blue is

\frac{2}{8} = \frac{1}{4}

<u><em>Second time drawing (with no replacement): </em></u>

Total outcome is 7  (8 - 1 = 7)  

Favorable outcome is 2

The probability that the second marble drawing in random is yellow is

\frac{2}{7}

<em>The probability that the first marble is blue and the second marble is yellow is</em> \frac{1}{4} × \frac{2}{7} = \frac{2}{28} = \frac{1}{14}

5 0
2 years ago
What is the value of t?
frutty [35]

Answer:

-39 2/3

Step-by-step explanation:

t - 122= 2t - 3

subtract 't' from each side to get:

-122 = 3t - 3

add 3 to each side to get:

-119 = 3t

divide each side by 3 to get:

t = -39 2/3

5 0
2 years ago
Chau will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $44 and costs an
wariber [46]

Answer:

I don't know

Step-by-step explanation:

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7 0
2 years ago
What is 3852 divided by 16
Annette [7]
240.75, hope this helps!
3 0
3 years ago
Can anyone help me I am stuck on this question! and tysm for the people who helped me! &lt;3 Have a nice day!
Rainbow [258]

Answer:

115.24

Step-by-step explanation:

15.35*4.25=65.2375

65.2375+50=115.2375

115.2375 ≈ 115.24

8 0
2 years ago
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