3 years ago

Priya's cat weighs 5 1/2 pounds and her dog weighs 8 1/4 pounds

Mathematics

1 answer:

PtichkaEL [24]3 years ago

3 0

Priya’s dog is 1.5 times as heavy as her cat.

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67 times a number minus 65 is equal to -4 less than the number

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Answer:

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Step-by-step explanation:

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3 years ago

I really need help ASAP!

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dalvyx [7]

Answer with Step-by-step explanation:

We are given that

$f(x)=\frac{3x-1}{x}$

For each real number $x\neq 0$

To prove that f is one -to-one.

Proof:Let $x_1$ and $x_2$ be any nonzero real numbers such that

$f(x_1)=f(x_2)$

By using the definition of f to rewrite the left hand side of this equation

$f(x_1)=\frac{3x_1-1}{x_1}$

Then, by using the definition of f to rewrite the right hand side of this equation of $f(x_1)=f(x_2)$

$f(x_2)=\frac{3x_2-1}{x_2}$

Equating the expression then we get

$\frac{3x_1-1}{x_1}=\frac{3x_2-1}{x_2}$

$3x_1x_2-x_2=3x_2x_1-x_1$

$3x_1x_2-3x_1x_2+x_1=x_2$

$x_1=x_2$

Therefore, f is one-to-one.

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3 years ago