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3 years ago

What is the answer to 25=9y+3=

Mathematics

2 answers:

Tom [10]3 years ago

6 0

Answer:

25 = 9y+3

Transposing (3) to the L.H.S.:

= 25-3 = 9y

= 22 = 9y

Transposing (9) to L.H.S.:

= 22÷9 = y

= 2.444444444444444.......................

= 2.44

borishaifa [10]3 years ago

6 0

Answer:

y=2.44......

Step-by-step explanation:

25 = 9y+3

Transposing (3) to the L.H.S.:

= 25-3 = 9y

= 22 = 9y

= 22÷9 = y

= 2.444444444444444.......................

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horrorfan [7]

Complete Question

The complete question is shown on the first uploaded image

Answer:

$g(h(x)) = \sqrt[4]{x^2 + x +5} + 3$

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Step-by-step explanation:

From the question we are told that

$h(x) = x^2 + x + 5$

and

$g(x) = \sqrt[4]{x} + 3$

Considering first question

Now we are told g(h(x))

i.e

$g(h(x)) = [x^2 + x + 5 ]^{\frac{1}{4} } + 3$

=> $g(h(x)) = \sqrt[4]{x^2 + x +5} + 3$

Considering second question

Now we are told h(g(x))

i.e

$h(g(x)) = [x^{\frac{1}{4} } + 3]^2 + x^{\frac{1}{4} } + 3 + 5$

=> $h(g(x)) = x^{\frac{1}{2} } + 6x^{\frac{1}{4} } + 9+ x^{\frac{1}{4}} + 8$

=> $h(g(x)) = x^{\frac{1}{2}} + 7x^{\frac{1}{4}} + 17$

=> $h(g(x)) = \sqrt{x} + 7\sqrt[4]{x} + 17$

Considering third question

$h(h(x))= [x^2 + x + 5]^2 + [x^2 + x + 5 ] + 5$

=> $h(h(x)) = [x^2 + x + 5 ]^2 + x^2 + x + 10$

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