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Zinaida [17]
3 years ago
5

Which side lengths form a right triangle?

Mathematics
2 answers:
Masja [62]3 years ago
6 0
The answer is A. 5,12,13
Vika [28.1K]3 years ago
3 0
Answer A. That is the only one. The rest are not true. Hope his helps! I would appreciate it if you gave me brainliest. Thanks! =D
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Discuss how to convert the standard form of the equation of a circle to the general form.
marishachu [46]

Explanation:

The standard form of the equation of a circle is ...

  (x -h)² +(y -k)² = r² . . . . . . <em>circle centered at (h, k) with radius r</em>

The general form of the equation of a circle will be ...

  Ax² +Bxy +Cy² +Dx +Ey +F = 0 . . . . . A = C for a circle

__

The former is converted to the latter by eliminating parentheses, subtracting r² and collecting terms.

  x² +y² -2hx -2ky +(h² +k² -r²) = 0

This shows you that ...

  A = C = 1

  B = 0

  D = -2h

  E = -2k

  F = h² +k² -r²

__

In general form, we like to have the coefficients be mutually prime integers and the leading coefficient be positive. That is not always possible, depending on the circle being represented.

5 0
3 years ago
Please help I will reward brainly
Annette [7]
X < -6 is the first graph
x < 6 is the second graph
x ≥ 6 is the fourth graph
x ≥ -6 is the third graph
x ≤ 6 is the last graph

Hope it helps :)
7 0
4 years ago
Megan has 30 brownies and 42 cupcakes to package. She wants to put the same numbers of brownies and cupcakes in each box. What i
valkas [14]
The answer would be 6
7 0
3 years ago
For a school drama performance, student tickets cost $5 each and adult tickets cost $10 each. The sellers collected $3,570 from
olchik [2.2K]
I think the right equation is 10(512 - c) plus 5c equals 3,570
4 0
3 years ago
Read 2 more answers
When you reverse the digits in a certain two-digit number you decrease its value by 9. Find the number if the sum of its digits
9966 [12]
...The number is 21.
8 0
3 years ago
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