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2 years ago

You live in a small apartment. The bedroom is 10 by 12 feet. Calculate the area of your bedroom.

Mathematics

2 answers:

kati45 [8]2 years ago

4 0

The answer is b.120sq.ft

mixer [17]2 years ago

3 0

Answer:

The is answer is 120sq. ft.

Step-by-step explanation:

To find the area mulitply 10 by 12 and you get 120.

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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

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2 years ago

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B<br> [2 0]<br> -2 5<br> What is the determinant of B?<br> Your answer

Marianna [84]

Answer:

Step-by-step explanation:

Determinant = ad - bc

$\det\begin{pmatrix} 2 & 0 \\-2 & 5\end{pmatrix} =\begin{vmatrix} 2 & 0 \\-2 & 5\end{vmatrix} = 2\times5 + 0\times2 = 10$

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2 years ago

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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then we count how much days are in three weeks ( 3 weeks × 7 days)

then we just multiply the meters per day × the days

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