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fomenos
3 years ago
10

How do I do this?????

Mathematics
1 answer:
leva [86]3 years ago
8 0

Answer:

39

Step-by-step explanation:

This weird notation just means we are going to put one equation inside the other, and then solve.

Makes more sense when you write it like this:

g ( f ( x ) )

To solve, we are going to take the 3, plug it into the f ( x )

g ( f ( 3 ) )

^ This makes it a lot easier to understand what we have to do.

----------------------------------------------------------------------------------------------------------

Ok, so now we evaluate f ( x ) at 3.

4 ( 3 ) - 2

f( x ) = 10

Then we plug it into g ( x )

4 ( 10 ) - 1

= 39

Here's how it looks in total:

4 ( 4 ( 3 ) - 2 ) - 1 = 39

Slightly more complicated, but that's why i broke it down step by step.

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8 × 10 + 6 − 2 7 + 5 × 8 − 4
riadik2000 [5.3K]

Answer:

95

Step-by-step explanation:

(8)(10)+6−27+(5)(8)−4

=80+6−27+(5)(8)−4

=86−27+(5)(8)−4

=59+(5)(8)−4

=59+40−4

=99−4

=95

hope this helped :)

6 0
2 years ago
Read 2 more answers
PLEASE HELP!<br> solve for the unknown: (3x)^3=81^2x-5, 7^2x+1=49^3x-2,
Evgen [1.6K]

Answer:

this is my attempt, it might not be right, so please dont be mad if wrong

Step-by-step explanation:

27 * x^3 = 6561x-5 , 49x + 1 = 117649x-2

3 0
3 years ago
Factor the expression below.
Genrish500 [490]

Answer:

A. (6x + 7)(6x - 7)

Step-by-step explanation:

use difference of squares, which says a^2 - b^2 =(a+b)(a-b)

take the square roots of the two numbers, 6x and 7, and use them as a and b

8 0
2 years ago
Solve for y<br> 1/8y-2/3=5.5
amm1812

Answer:

y = 49 1/3

Step-by-step explanation:

1/8y-2/3=5.5

1/8y = 5.5 + 2/3

multiply both sides by 8:

y = 8(5.5 + 2/3) = 44 + 16/3 = 44 + 5 1/3 = 49 1/3

7 0
3 years ago
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Modeling with systems of linear inequalities
NeX [460]
Huh what you mean.....
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3 years ago
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