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Dmitry_Shevchenko [17]
3 years ago
9

Can somebody please help me with this?

Mathematics
1 answer:
Natali5045456 [20]3 years ago
6 0
I would say C, but it also might be d
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Consider the matrices.<br> What products are defined for these matrices?
pychu [463]

Answer:

Shows how to quickly check if a matrix product is defined and, if it is, how to ... You can use this fact to check quickly whether a given multiplication is defined.

Step-by-step explanation:

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3 years ago
The center of a circle bs located at 3,9), and the evde hesa vedles that to sustain What the parengtame een hee)
tigry1 [53]

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The general equation of a circle is x2 + y2 - 6x - 16y + 48 = 0

Step-by-step explanation:

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If one of the short sides of a 45-45-90 triangle equals 5, how long is the hypotenuse?
Alla [95]

Answer:

hypotenuse= 2\sqrt{5}

Step-by-step explanation:

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3 years ago
Write an equation for a circle with a diameter that has endpoints at (–10, 1) and (–8, 5). Round to the nearest tenth if necessa
satela [25.4K]

The standard form for the equation of a circle is :

<span><span><span> (x−h)^</span>2</span>+<span><span>(y−k)^</span>2</span>=<span>r2</span></span><span> ----------- EQ(1)
</span><span> where </span><span>handk</span><span> are the </span><span>x and y</span><span> coordinates of the center of the circle and </span>r<span> is the radius.
</span> The center of the circle is the midpoint of the diameter.

 So the midpoint of the diameter with endpoints at (−10,1)and(−8,5) is :

 ((−10+(−8))/2,(1+5)/2)=(−9,3)

 So the point (−9,3) is the center of the circle.

  Now, use the distance formula to find the radius of the circle:

  r^2=(−10−(−9))^2+(1−3)^2=1+4=5

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 Subtituting h=−9, k=3 and r=√5 into EQ(1) gives :

 (x+9)^2+(y−3)^2=5

7 0
3 years ago
Sned help, and answer asap pls
borishaifa [10]

Answer:

percents

Step-by-step explanation:

8 0
3 years ago
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