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3 years ago

Which solution value satisfies the inequality equation x-5 s 14? Ox= 25 x = 21 x= 19 x = 20

Mathematics

1 answer:

PolarNik [594]3 years ago

6 0

Answer:

x = 19

Step-by-step explanation:

$x-5 = 14\\$

Collect like terms

$x =14+5$

Add ; 14+5 =19

$x =19$

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Find (f • g) when f(x) = x^2 + 5x + 6 and g(x) = 1/x+3

Nikitich [7]

Answer:

option D

Step-by-step explanation:

$f(x) = x^2 + 5x + 6$

$g(x)= \frac{1}{x+3}$

(fog)(x) = f(g(x))

Plug in g(x) in f(x)

We plug in 1/x+3 in the place of x in f(x)

$f(g(x))= f(\frac{1}{x+3})= (\frac{1}{x+3})^2 + 5(\frac{1}{x+3}) + 6$

To simplify it we take LCD

LCD is (x+3)(x+3)

$\frac{1}{(x+3)(x+3)}+5\frac{1*(x+3)}{(x+3)(x+3)}+\frac{6(x+3)(x+3)}{(x+3)(x+3)}$

$\frac{1}{x^2+6x+9}+\frac{(5x+15)}{x^2+6x+9}+\frac{6x^2+36x+54}{x^2+6x+9}$

All the denominators are same so we combine the numerators

$\frac{1+5x+15+6x^2+36x+54}{x^2+6x+9}$

$\frac{6x^2+41x+70}{x^2+6x+9}$

Option D is correct

8 0

2 years ago

Read 2 more answers

During a sale, CDs that normally cost $6.98 each were priced at 2 for $12.50. Pete bought 4 CDs at the sale price. How much mone

RSB [31]

Answer:

2.92

Step-by-step explanation:

Normal price

4 * 6.98 =27.92

Sale price

2 for 12.50 means 4 at 2* 12.50

2*12.50 = 25

Subtract

27.92-25=2.92

He saved 2.92

4 0

3 years ago

Grade Math

Alex17521 [72]

The answer is C. X=-4

6 0

3 years ago

c) Your parents have been advised to save 5% of their income for your college education, which would include money for housing,

Gennadij [26K]

In one year they would have saved up $2447.40 for your education
convert 5% into a decimal then divide by 100.

Hope this helped :)

3 0

2 years ago

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ad-work [718]

Answer:

dont understand clearly

Step-by-step explanation:

dont understand clearly

4 0

3 years ago

Which solution value satisfies the inequality equation x-5 s 14? Ox= 25 x = 21 x= 19 x = 20​

Which solution value satisfies the inequality equation x-5 s 14? Ox= 25 x = 21 x= 19 x = 20