3 years ago

The product of twice a number and three is the same as the difference of five times the number and 3/4 . Find the number

Mathematics

1 answer:

castortr0y [4]3 years ago

3 0

We start by taking the number to be ‘x’

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What equation do you get when you solve z-m=z+bx for x

Sonbull [250]

Z-m=z+bx

z-m-z=z+bx-z

-m=bx

bx=-m

bx/b=-m/b; b=0

x=-m/b; b=0

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3 years ago

Determine f^-1(2) given the following: f(1 = -3f(2) = -2f(-1) = 2f(3) = -1

lana [24]

We assume that the function is as follows:

$f^{-1_{}}(2)=?$

Then, we have that:

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

Thus, if we have that:

$f(2)=-2\Rightarrow f^{-1^{}_{}}(x)=\frac{1}{f(x)}\Rightarrow f^{-1}(2)=\frac{1}{f(2)}=\frac{1}{-2}\Rightarrow f^{-1}(2)=-\frac{1}{2}$

Therefore, the value for the function is f^-1(2) = -1/2 or

$f^{-1}(2)=-\frac{1}{2}$

8 0

1 year ago

Whats the distance between (-1,4) and (1,-5)

Bess [88]

Answer:

Step-by-step explanation:

8 0

3 years ago

What type(s) of symmetry does this figure have?

kirza4 [7]

It's for sure reflection symmetry, I think it's also point reflection (the point must be in the very middle of the figure). I hope it will help you somehow :)

3 0

3 years ago

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6. What is the value of n? 3/8n - 1/3 = 5/6

Brrunno [24]

Answer:

n= 3 1/9

Step-by-step explanation:

3/8n= 5/6 + 1/3

3/8n = 7/6

n = 7/6 ÷ 8/3

n=28/9

n= 3 1/9

8 0

3 years ago

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