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3 years ago

Forms a factor pair with 12 to give 48

Mathematics

1 answer:

mr Goodwill [35]3 years ago

3 0

Answer:

Step-by-step explanation:

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I can't figure out what 2x/x equals.

oksano4ka [1.4K]

2x/x will equal 2.

x/x is in a ratio of one to one
If, for instance, x is equal to 1235324...
2(1235324)/1235324)
2470648/1235324
2

4 0

3 years ago

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Find the coordinates of the circumcenter for ∆DEF with coordinates D(1,3) E (8,3) and F(1,-5).

NemiM [27]

Let the coordinates of the circumcentre O of the triangle DEF be (x, y). Circumcentre of a triangle is equidistant from each of the vertices.

1. Distance OD=distance OE, then:

$(x-1)^2+(y-3)^2=(x-8)^2+(y-3)^2$ .

2. Distance OD=distance OE, then:

$(x-1)^2+(y-3)^2=(x-1)^2+(y+5)^2$ .

Solve the system:

$\left\{\begin{array}{l} (x-1)^2+(y-3)^2=(x-8)^2+(y-3)^2 \\ (x-1)^2+(y-3)^2=(x-1)^2+(y+5)^2 \end{array}\right.$ ,

$\left\{\begin{array}{l} x^2-2x+1+y^2-6y+9=x^2-16x+64+y^2-6y+9 \\ x^2-2x+1+y^2-6y+9=x^2-2x+1+y^2+10y+25 \end{array}\right.$ ,

$\left\{\begin{array}{l} 14x=63 \\ -16y=16 \end{array}\right.$ .

Then

$x=\dfrac{63}{14} =\dfrac{9}{2} =4.5,\\ \\ y=-1$ .

Answer: the coordinates of the circumcenter for ∆DEF are x=4.5, y=-1.

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4 years ago

X-(-y) where x=2.31 and y=5.9

sukhopar [10]

Answer:

8.21

Step-by-step explanation:

$x - ( - y) \\ = x + y \\ = 2.31 + 5.9 \\ = 8.21$

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4 years ago

I need help me wit this

LenKa [72]

Answer:

C: (1, 2.5)

Step-by-step explanation:

The point is not exactly on 2 or 3 on the y axis. So it is at 2.5. and when you read a graph you need to look at it from x to y so it should be C: (1, 2.5).

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3 years ago

What is 3 1/7+2 1/7 in mathematics

bezimeni [28]

3+2 is 5.
1/7 +1/7 is 2/7.
Thus, the answer is 5 2/7.

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4 years ago

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Forms a factor pair with 12 to give 48​

Forms a factor pair with 12 to give 48