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MAVERICK [17]
3 years ago
12

Type the correct answer in each box. Use numerals instead of words.

Mathematics
2 answers:
photoshop1234 [79]3 years ago
7 0

Answer:

x+5^2=-2

Step-by-step explanation:

emmainna [20.7K]3 years ago
5 0

Answer:

  (x +5)^2 = -2

Step-by-step explanation:

We can subtract the constant to get ...

  x^2 +10x = -27

Then add the square of half the x-coefficient:

  x^2 +10x +5^2 = -27 +5^2

  (x +5)^2 = -2 . . . . . . write as a square

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Which point shown in the diagram matches the ordered pair (-3, 4)?
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Answer:

C

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- means you go to the left on a graph (if the number is in the x position)  or down on a graph (if it's a negative in the y's place) in this case it's a negative 3 in the x's place so we go left 3 times. Then we go up 4 where we will meet the C coordinate.

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If {4x-3y=17 and 2x-5y=-11 then y=?
anyanavicka [17]
You need to solve this "system of linear equations."  In other words, find a point (x,y) that satisfies both 4x-3y=17 and 2x-5y=-11.

Try solution by elimination.  Multiply the 2nd equation by -2 to obtain -4x+5y=22.  Add this result to the 1st equation.  I'd suggest you write this out to see what is happening.  

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-4x+10y=22
----------------
        7y=39.  Solving for y, we get y=39/7 (a rather awkward fraction).

Now find x.  To do this, substitute 39/7 for y in either of the given equations.  Solve the resulting equation for x.

Write your solution in the form (x, y):  ( ? , 39/7).
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If tan 0=3/4 find sin0
bija089 [108]

Answer:

sin O = \frac{3}{5}

Step-by-step explanation:

given tan O = \frac{3}{4} = \frac{opposite}{adjacent}

Then this is a right triangle with legs 3 and 4

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h = \sqrt{3^2+4^2} = \sqrt{25} = 5, hence

sin O = \frac{opposite}{hypotenuse} = \frac{3}{5}

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