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blsea [12.9K]
3 years ago
14

4. A circle is centered at (−8, −13) and has a radius of 13. What is the equation of the circle? * (x + 8)² + (y + 13)² = 169 (x

+ 13)² + (y + 8)² = 169 (x - 8)² + (y - 13)² = 64 (x - 8)² + (y - 13)² = 169
Mathematics
1 answer:
sattari [20]3 years ago
7 0

Answer:

(x + 8)^2 + (y + 13)^2 = 13^2

Step-by-step explanation:

Write out (x - h)^2 + (y - k)^2 = r^2.  Recognizing that the center is at

(h, k), with h = -8 and k = -13, and that the radius is 13, we get:

(x + 8)^2 + (y + 13)^2 = 13^2

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ddd [48]

Answer:

subtract 1 then divide 2

Step-by-step explanation:

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2 years ago
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Please help, I am not able to find the answer
Anton [14]

Answer:

Assuming you are asked for the equation of the graph, the answer would be y=|x+2|-1.

Step-by-step explanation:

The parent function for the "V-shape" is y=|x|.  This particular function is translated to the left two units and down one.  This is shown by adding two to x within the absolute value and subtracting one from the absolute value of x+2, leaving you with y=|x+2|-1.  If you plug this equation into desmos online graphing calculator, you will see that the graph is identical to the one given.

6 0
2 years ago
Working as a waiter, Michael earns $7.50 per hour plus tips Last night he received $43.50 in tips and earned a total of $88.50.
vredina [299]

Answer: 6 hours

Step-by-step explanation:

$7.50per hour

$43.50 in tips

$88.50 total

88.50-43.50=45

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3 0
3 years ago
Pls help pls help me<br><br><br><br><br><br> Compare the following 2/-3, -4/5, 21/-32, -15/24
mote1985 [20]

Step-by-step explanation:

to compare them, we should all bring to the same denominator.

the lcm (lowest common multiplier) is the that denominator.

let's use the approach of the prime factors :

3 : 3

5 : 5

32 : 2×2×2×2×2

24 : 2×2×2×3

the lcm is the combination of the longest "streaks" of the prime factors.

so,

2×2×2×2×2 × 3 × 5 = 32×15 = 480

2/-3 = -2/3 = -320/480 (as 3×160 = 480)

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21/-32 = -21/32 = -315/480 (as 32×15 = 480)

-15/24 = -15×20 / 24×20 = -300/480 (24×20 = 480)

as

-384/480 < -320/480 < -315/480 < -300/480

we can say

-4/5 < -2/3 < -21/32 < -15/24

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2 years ago
What is the domain of the function f (x) x-5/x^2-9
nikklg [1K]
Means the number you can use
remember we can't divide by zero
domain is x^2-9
set to zero to find values we can't use
x^2-9=0
x^2=9
x=+/-3

domain=all real numbers except -3 and 3

7 0
3 years ago
Read 2 more answers
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