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olga55 [171]
3 years ago
14

F(x) = 2x – 2 g(x)= x² + 3x Find (f.g) (2)

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
6 0

Answer: 18

Hey bud, just as a sidenote, I think you mean f(g(2)) for the question. If this was not what it meant, please take a screenshot of the question.

2^2 + 3*2 = 10

2*10 -2 = 18

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Help!! help!! help!! help!! help!! help!! help!! help!! help!!
oksian1 [2.3K]

Answer:

<em>(8.21, -20.79)</em>

Step-by-step explanation:

Given the simultaneous equation;

\frac{a}{b} - \frac{b}{2} = 10\\a - b = 29

From 2;

a = 29 + b ....3

Substitute 3 into 1;

\frac{29+b}{b} - \frac{b}{2}  = 10\\\frac{2(29+b)-b^2}{2b} = 10\\\frac{58+2b-b^2}{2b} = 10\\58+2b-b^2 = 20b\\b^2-2b-58 = -20b\\b^2-2b+20b -58 = 0\\b^2+18b-58 = 0\\

Factorize

b = -18±√18²-4(-58)/2

b = -18±√324+232/2

b = -18±√556/2

b = -18±23.58/2

b = -18-23.58/2 and -18+23.58/2

b = -41.58/2 and 5.58/2

b = -20.79 and 2.79

Since a = 29 + b

when b = -20.79

a = 29 - 20.79

a = 8.21

<em>Hence the solution to the system of equation is (8.21, -20.79)</em>

7 0
2 years ago
I don't know how to do this
natka813 [3]

Answer:

56

Step-by-step explanation:

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7 0
3 years ago
What is the measurement of an angle if it measures 37 degrees
gavmur [86]

Answer:

37

Step-by-step explanation:

Well you said the answer in your question

5 0
2 years ago
Read 2 more answers
Evaluate each expression if a = 5, b = 6, C = 4, and d = 3.<br><br> a. 2ab + cd<br> b. abc
PolarNik [594]

Answer:

a(2ab+cd

(2×5×6)+(4×3)

60+12

72

b)abc

5×6×4

120

8 0
3 years ago
X^2+5x=3x+11 solve by completing the square
goldenfox [79]
X^2+2x-11=0, this would be the answer that you are looking for m8.
7 0
3 years ago
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