3 years ago

Please solve all 3 I need this quick

Mathematics

1 answer:

AnnyKZ [126]3 years ago

5 0

Answer: i have absolutely no idea

Step-by-step explanation:

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What is the inverse function of f(x)= 4- x/6

Westkost [7]

Answer:

$f^{-1}(x) = 6(4-x) = 24-6x$

Step-by-step explanation:

Let $y=f(x)$ and swap x and y:

$x = 4 - \frac{y}{6}$

Then, rearranging for y:

$x+\frac{y}{6} = 4$

$\frac{y}{6}= 4-x$

$y= 6(4-x) = 24-6x$

6 0

3 years ago

Which expression is equivalent to (3/x − 2 − 5) / (2 − 4/x − 2)?

Tresset [83]

Answer:

last option is correct

Step-by-step explanation:

$\frac{\frac{3}{x-2} -5}{2-\frac{4}{x-2} } = \frac{3-5x+10}{2x-4-4} = \frac{13-5x}{2x-8}$

3 0

3 years ago

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How do you use the law of cosines or law of sines if you are given a=13 m, b=8.5 m, and c=9 m?

Rus_ich [418]

The law of cosines is
c= square root of a^2 + b^2 - 2ab cos c

the law of sines is
a = b(sin a /sin b)

3 0

3 years ago

What is 8(7x-2)-x=424 ?

valina [46]

X=8 i did mental math but 56x-16-x=424
                                            +16      +16
55x=440
   /55 /55
                                                x=8

3 0

3 years ago

A circular tablecloth has a radius of 3.5 feet. Lyle is sewing a piece of ribbon around the edge of the tablecloth. If Lyle has

HACTEHA [7]

Answer:

22ft

Step-by-step explanation:

Length or ribbon = Circumference of the circle

C = 2πr

C = 2π(3.5)

C = 21.99

4 0

3 years ago

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