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FinnZ [79.3K]
3 years ago
12

Find f(x) and g(x) so that the function can be described as y = f(g(x)).

Mathematics
1 answer:
mote1985 [20]3 years ago
5 0
let g(x) = x^2+2 let f(x) = 9/x f(g(x)) is therefore equal to f(x^2 + 2) which is equal to 9/(x^2+2).
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Sandra saves 9% of her salary for retirement this year salary was 1000 more than in her previous year and she saved $4050 what w
allochka39001 [22]

Answer:

$44,000

Step-by-step explanation:

The statement indicates that Sandra saves 9% of her salary and she saved $4,050 this year. That means that the 9% of her salary, x, is equal to $4,050. You can write the following:

x*0.09= 4,050

Now, you can isolate x to find her salary this year:

x=4,050/0.09= 45,000

Then, you have that this year salary was 1000 more than in her previous year. As you have found her salary for this year, you can subtract 1,000 from it to find her salary in the previous year:

45,000-1,000= 44,000

According to this, the answer is that her salary in the previous year was $44,000.

5 0
3 years ago
Can someone pls help me find what is 1/10+12/20?
irga5000 [103]

Answer:

\frac{7}{10}

Step-by-step explanation:

\frac{1}{10} can also be written as \frac{2}{20}

\frac{2}{20} +\frac{12}{20} =\frac{14}{20}

Simply to \frac{7}{10}

-OTHER METHOD-

\frac{12}{20} can be simplified to \frac{6}{10}

\frac{1}{10} +\frac{6}{10} =\frac{7}{10}

7 0
3 years ago
Read 2 more answers
Jerry played with 333 friends today, all at different times. He played with Tommy for 1\dfrac{7}{8}1 8 7 ​ 1, start fraction, 7,
Mars2501 [29]

Answer:

8 1/8 hours

Step-by-step explanation:

Jerry played with 3 friends today, all at different times.

Tommy = 1 7/8 hours

Nathan = 1 3/4 hours

Chris = 3 3/2 hours

How many hours did Jerry play with his 3 friends today?

Number of hours Jerry play with his 3 friends today = 1 7/8 + 1 3/4 + 3 3/2

= 15/8 + 7/4 + 9/2

= (15+14+36)/8

= 65/8

= 8 1/8 hours

5 0
3 years ago
Simplify 7.4z - 5 (-1.6z + 2.4) please
Sergeu [11.5K]
The answer is 15.4z-12
8 0
3 years ago
What is 15 5/7+3/7?<br> i need help!
kobusy [5.1K]

Answer:

16 1/7

Step-by-step explanation:

simple add

start with the fractions

5/7+3/7 = 8/7

simplify 1 1/7

add your whole numbers 15+1= 16 and the add your fraction 16+1/7= 16 1/7

8 0
3 years ago
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