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nikdorinn [45]
3 years ago
6

Please help!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Readme [11.4K]3 years ago
3 0

Answer:

f( g(x)) =    18 *x*x  + 6

g( f(x)) =   6xx + 18

Step-by-step explanation:

we want   f (g(x))   and   g( f(x))

f = 2xx + 6    g = 3x

f( g(x)) =  2 *(3x)*(3x)  + 6 =  18 *x*x  + 6

g( f(x)) = 3*(2 xx + 6 ) =  6xx + 18

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Tell whether b=82 is a solution of b÷9=9
netineya [11]

Answer:

no, it's 81

Step-by-step explanation:

9×9=81 hope that this helps you and have a great day :)

5 0
3 years ago
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Which decimal below best represents an account balance of $290.64 below zero?
qaws [65]
Would id be negative 290.64 bc its below zero <span />
4 0
4 years ago
Alison had 310 rocks in her rock collection. After three months, her collection increases by 40%. How many rocks does Alison hav
satela [25.4K]

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434

Step-by-step explanation:

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5 0
2 years ago
Simplify. (-2)^-3<br> A.-8<br> B.-1/8<br> C.1/8<br> D.8
DiKsa [7]

ANSWER

{( - 2)}^{ - 3} =- \frac{1}{ 8}

EXPLANATION

We want to simplify;

{( - 2)}^{ - 3}

Recall that,

{a}^{ - m}  =  \frac{1}{ {a}^{m} }

{( - 2)}^{ - 3}  =  \frac{1}{{( - 2)}^{ 3}}

We multiply out to get,

{( - 2)}^{ - 3}  = \frac{1}{{- 2} \times  - 2 \times  - 2}

{( - 2)}^{ - 3}  =  \frac{1}{ - 8}

The correct choice is B.

6 0
3 years ago
Sin 33°= 7/x<br> A. 5.9<br> B. 12.9<br> C. 10.8<br> D. 8.3
DanielleElmas [232]

Answer:

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Step-by-step explanation:

The equation to solve is:

Sin(33)=\frac{7}{x}

Sin 33 has a value in the calculator. We simply cross multiply and do algebra and solve:

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Rounding to 1 decimal place, we have:

12.85 = 12.9

Answer choice B is right.

6 0
4 years ago
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