3 years ago

What is a fractional and decimal equivalent of 9/20

Mathematics

2 answers:

skelet666 [1.2K]3 years ago

6 0

Answer:4.25 and

7/10

Step-by-step explanation:

never [62]3 years ago

4 0

Answer:

.45 and 9/20

Step-by-step explanation:

9 divided by 20 is .45 which is how you get a decimal.

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Read 2 more answers

If f(x)=x^2 and g(x)=1÷2x+3 find g(f(-1))

gogolik [260]

ANSWER

$g(f( - 1)) = \frac{1}{5 }$

EXPLANATION

The given function is:

$f(x) = {x}^{2}$

and

$g(x) = \frac{1}{2x + 3}$

$g(f(x)) = g( {x}^{2} )$

$g(f(x)) = \frac{1}{2{x}^{2} + 3 }$

To find g(f(-1)), we substitute x=-1, to obtain;

$g(f( - 1)) = \frac{1}{2{( - 1)}^{2} + 3 }$

We simplify the square in the denominator to get,

$g(f( - 1)) = \frac{1}{2+ 3 }$

We now add the denominator to obtain;

$g(f( - 1)) = \frac{1}{5 }$

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