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3 years ago

Felicia’s mother is four times as old as Felicia. In 16 years, her mother will be twice her age. How old is Felicia now?

Mathematics

2 answers:

Romashka-Z-Leto [24]3 years ago

8 0

Answer:

Felicia is currently 8 years old.

Step-by-step explanation:

F=x FM=4x

4x+16=2x+0

4x=2x-16

4x/2x=2x/2x-16

2x=-16

x= (+-)8

Now double check

8yrs+16yrs=24

32yrs+16yrs=48

24 x 2 =48

Contact me if you have any questions.

dexar [7]3 years ago

6 0

Answer:

Step-by-step explanation:

Now:16 x 2 = 32

16 years:32 x 2 =64

64 / 2 = 32

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2 years ago

F(x+1)+f(x+2)=2x+3; f(x)=?

Rama09 [41]

Answer:

$F=\frac{-xf+f+2x}{x+1};\quad \:x\ne \:-1$

Step-by-step explanation:

$1. \mathrm{Subtract\:}f\left(x+2\right)\mathrm{\:from\:both\:sides}\\
F\left(x+1\right)+f\left(x+2\right)-f\left(x+2\right)=2x+3f-f\left(x+2\right)

$

$2. \mathrm{Simplify}\\
F\left(x+1\right)=-xf+f+2x\\
$

$3. \mathrm{Divide\:both\:sides\:by\:}x+1;\quad \:x\ne \:-1\\
\frac{F\left(x+1\right)}{x+1}=-\frac{xf}{x+1}+\frac{f}{x+1}+\frac{2x}{x+1};\quad \:x\ne \:-1$