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2 years ago

Fill in the blank. Saber or Conocer??? please help me it's due tonight or else I get a zero.

Mathematics

1 answer:

nalin [4]2 years ago

5 0

Conoces tu la película de acción?*

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In the equation left parenthesis x squared plus 14 x right parenthesis plus left parenthesis y squared minus 18 y right parenthe

Phoenix [80]

Answer:

Complete the square on x by adding 49 to both sides.

Complete the square on y by adding 81 to both sides.

Step-by-step explanation:

We have been given an equation $(x^2+14x)+(y^2+18y)=5$ . We are asked to complete the squares for both x and y.

We know to complete a square, we add the half the square of coefficient of x or y term.

Upon looking at our given equation, we can see that coefficient of x is 14 and coefficient of y is 18.

$(\frac{14}{2})^2=7^2=49$

$(\frac{18}{2})^2=9^2=81$

Now, we will add 49 to complete the x term square and 81 to complete y term square on both sides of our given equation as:

$(x^2+14x+49)+(y^2+18y+81)=5+49+81$

Applying the perfect square formula $a^2+2ab+b^2=(a+b)^2$ , we will get:

$(x+7)^2+(y+9)^2=135$

Therefore, We can complete the square on x by adding 49 to both sides and the square on y by adding 81 to both sides.

7 0

3 years ago

Work out the value of <img src="https://tex.z-dn.net/?f=2%5E%7B3%7D%20%2B%205%5E%7B2%7D" id="TexFormula1" title="2^{3} + 5^{2}"

Luden [163]

Answer:

Step-by-step explanation:

2³=8

5²=25

8+25=33.

so, 2³+5²=33

4 0

3 years ago

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Solve these equations

Alex_Xolod [135]

Could u take the picture from a different angle

5 0

3 years ago

3. A rumour is being spread in a community that the president is going to retire before the next election 2015. Initially 2 peop

Vera_Pavlovna [14]

Answer:

I'm not sure if that's what is meant cuz the text is a little ambiguous

Nevertheless, 62 people

Step-by-step explanation:

Amount = 2 + 4 + 8 + 16 + 32 =62 people

"Exponential Growth"

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3 years ago

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In how many different

oee [108]

Answer:

I act answer it sorry for that

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3 years ago

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