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liberstina [14]

4 years ago

8

Find the inverse of the function F(x) = 5x + 10 F -1 (x) = ?

1 answer:

snow_tiger [21]4 years ago

3 0

Answer is F-1(x)= x/5-2 it is x over 5 minus 2

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Which expression is positive?

Snezhnost [94]

Answer:

A

Step-by-step explanation:

the answer is A

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There are 12 cars contesting a race. The first three cars completing the race will be awarded prizes. In how many ways can the p

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3 years ago

A rectangle has length X +5 and width X +4 if the perimeter of the rectangle is 42 m what are the length and width of the rectan

Maru [420]

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3 years ago

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strojnjashka [21]

Answer:

Option A) 4, 2

Step-by-step explanation:

We are given that quadrilateral ABCD is a parallelogram with sides:

$AB = 3 + x\\DC = 4x\\AD = y + 1\\BC = 2y$

Since the opposite sides of a parallelogram are equal, we can write:

$AB = DC\\AD=BC$

Equating the sides we get,

$\Rightarrow 3+x = 4x\\4x-x = 3\\3x = 3\\x = 1\\\Rightarrow y + 1 = 2y\\y = 1$

Putting the values of x and y, we get:

$AB = 3 + x =4\\DC = 4x =4\\AD = y + 1=2\\BC = 2y=2$

Thus, the lengths of the opposite side pairs is 4,2.

4 0

3 years ago