2 years ago

Cuánto es 1875 más 199

Mathematics

1 answer:

Sergeeva-Olga [200]2 years ago

3 0

It is absolutely 2074

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Gisela is putting her 35 CD into categories. She has 11 that are pop music, and she has 3 times as many rock CDs as she has clas

Sav [38]

R + c=24
r=3c
3c+c=24
x=6
So there are 18 rock CDs

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2 years ago

A plane takes off circles airport then lands at the same airport is this statement true or false

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the statement is true.

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2 years ago

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A triangle in the coordinate plane has coordinates of (2,3), (-4,-5), and (-2,4). It is translated 3 units down. What are it’s n

Sophie [7]

Answer:

see below

Step-by-step explanation:

translated 3 units down whic means -3 on the y

hence T1 (2,0), T2 (-4,-8), T3 (-2, 1)

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2 years ago

Sixteen college freshmen were asked to record the number of books they typically read in a week. here are their data: 2, 4, 6, 0

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2 years ago

Partial fraction decomposition<br> 20x+9/25x^2+20x+4

ozzi

Step-by-step explanation:

We have

$\frac{20x + 9}{25 {x}^{2} + 20x + 4 }$

Let's factor the denomiator first,

the denomaitor is a perfect square so we get

$\frac{20x + 9}{(5x + 2) {}^{2} }$

Now, we must think of two fractions that

$\frac{a}{(5x + 2) {}^{2} } + \frac{b}{5x + 2}$

We use a perfect square term for one fraction, then a linear one for the next, because if we set both of the denomiator to the same factor, we would get a inconsistent system.

So right now, we have

$\frac{a}{(5x + 2) { }^{2} } + \frac{b}{5x + 2} = \frac{20x +9 }{25 {x}^{2} + 20x + 4 }$

$a + (5x + 2)b = 20x + 9$

$5b (x)= 20$

$a + 2b = 9$

$b = 4$

so that means that a is

$a + (2)(4) = 9$

$a + 8 = 9$

$a = 1$

So our equation is

$\frac{1}{(5x + 2) {}^{2} } + \frac{4}{5x + 2}$

6 0

2 years ago

Cuánto es 1875 más 199​

Cuánto es 1875 más 199