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aleksklad [387]
2 years ago
5

If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its center point is

Mathematics
1 answer:
Burka [1]2 years ago
3 0

Answer: (-5,7), with a radius of 6

Step-by-step explanation:

The center point coordinates are always opposite of those in the equation.

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135 students attended an assembly at Piper School. The student enrollment at the school is 180. What percentage of the students
soldier1979 [14.2K]
We know that the total number of students is 180, so 180 is the 100 precent of the students, now we can set up a proportion and solve

180/100=135/x

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The midpoint of stack A B with bar on top has coordinates of (4, -9). Endpoint A has coordinates (-3, -5). What are the coordina
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3 years ago
I got disconnected from my tutor, can't reconnect. need an explanation ​
kherson [118]

The absolute value function |<em>x</em>| always returns a non-negative number. It takes any number <em>x</em> and returns <em>x</em> if it's already non-negative, or -<em>x</em> if it is negative in order to make it positive.

|x|=\begin{cases}x&\text{for }x\ge0\\-x&\text{for }x

For the equation

-3 + 4 |2<em>x</em> - 5| = 14

rearrange terms to get

|2<em>x</em> - 5| = 17/4

Now,

• if 2<em>x</em> - 5 ≥ 0, then |2<em>x</em> - 5| = 2<em>x</em> - 5. Then

2<em>x</em> - 5 = 17/4

• and if instead 2<em>x</em> - 5 < 0, then |2<em>x</em> - 5| = -(2<em>x</em> - 5), so that

-(2<em>x</em> - 5) = 17/4, or

2<em>x</em> - 5 = -17/4

In the first case,

2<em>x</em> - 5 = 17/4

2<em>x</em> = 17/4 + 5 = 37/4

<em>x</em> = 37/8

In the second case,

2<em>x</em> - 5 = -17/4

2<em>x</em> = -17/4 + 5 = 3/4

<em>x</em> = 3/8

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2 years ago
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10186.28
And that’s how you do it
8 0
3 years ago
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Barbara wants to record her favorite soundtracks on a CD.
Masja [62]

Answer:

25 soundtracks.

Step-by-step explanation:

6 x 0.24 = 25

3 0
2 years ago
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