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Slav-nsk [51]
3 years ago
15

If ƒ

Mathematics
2 answers:
SSSSS [86.1K]3 years ago
8 0
(B)
if <em>f</em>(a) = K, then that means <em>f </em>sends (a) to (K). 
the inverse function, <em>f</em>-1, goes back where you started, so <em>f</em>-1 <em />sends (K) to (a). 
<em>f</em>-1(K) = a. 
elena-14-01-66 [18.8K]3 years ago
4 0

Answer:

If ƒ  a. = K, then which of the following must be true?

A) ƒ( K ) = a

B) ƒ -1( K ) = a

C) ƒ -1( a ) = K

Step-by-step explanation:

<em>If ƒ (a) = K, when doing the inverse function we have that</em>: ƒ - 1 (K) = a; <em>changing the site values as the second inverse function of the first. </em>

<em> </em>

<u><em>The answer is</em></u>: <u>B) ƒ -1 (K) = a</u>

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earnstyle [38]

Answer:

25.

Step-by-step explanation:

Let the number of pupils be x, then:

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From the given information:

0.6x - 0.4x = 5

0.2x = 5

x = 5/0.2

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= 25.

7 0
3 years ago
Megan's room was remodeled. The new area of the room is 175% of the previous area. Only the length of the room changed. part a)
Paraphin [41]

Answer: a) \frac{175}{100}xy\\\\=1.75xy\\\\

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Step-by-step explanation:

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As we know the formula for "Area of rectangle ":

Area=Length\times breadth\\\\Area=l\times b

Now, According to question, The new area of the room is 175% of the previous area.

So, a)  New area of the room becomes,

\frac{175}{100}xy\\\\=1.75xy\\\\

So, it means Length of the room is increased by 175%, because of which the area is increased by 175%.

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7 0
4 years ago
You have a square that has a perimeter of 24 feet. You need to purchase the logs for your garden. You can use one log for each s
Dima020 [189]

Answer:

6 feet

Step-by-step explanation:

Given that,

The perimeter of the square, P = 24 feet

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The perimeter of a square is given by the formula as follows :

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Where

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So,

a=\dfrac{P}{4}\\\\a=\dfrac{24}{4}\\\\a=6\ feet

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3 years ago
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3 years ago
Resuelve las multiplicaciones entre polinomios.
7nadin3 [17]

Can you translate it into english? :)

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