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skad [1K]
3 years ago
5

Pls lmk ASAP this is for 7th grade accelerated just so ya know in case you’re confused!

Mathematics
1 answer:
Mumz [18]3 years ago
5 0

Answer:wheres the diagram?

Step-by-step explanation:

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Type the correct answer in each box
Luba_88 [7]

Answer:

We know that the equation of the circle in standard form is equal to <em>(x-h)² + (y-k)² = r²</em> where (h,k) is the center of the circle and r is the radius of the circle.

We have x² + y² + 8x + 22y + 37 = 0, let's get to the standard form :

1 - We first group terms with the same variable :

(x²+8x) + (y²+22y) + 37 = 0

2 - We then move the constant to the opposite side of the equation (don't forget to change the sign !)

(x²+8x) + (y²+22y) = - 37

3 - Do you recall the quadratic identities ? (a+b)² = a² + 2ab + b². Now that's what we are trying to find. We call this process <u><em>"completing the square"</em></u>.

x²+8x = (x²+8x + 4²) - 4² = (x+4)² - 4²

y²+22y = (y²+22y+11²)-11² = (y+11)²-11²

4 - We plug the new values inside our equation :

(x+4)² - 4² + (y+22)² - 11² = -37

(x+4)² + (y+22)² = -37+4²+11²

(x+4)²+(y+22)² = 100

5 - We re-write in standard form :

(x-(-4)²)² + (y - (-22))² = 10²

And now it is easy to identify h and k, h = -4 and k = - 22 and the radius r equal 10. You can now complete the sentence :)

5 0
3 years ago
20 students were asked “How many pets do you have in your household?” and the following data was collected:
igomit [66]

Answer:

qualitative

Step-by-step explanation:

bcos the question is in quality format

7 0
3 years ago
If Sally has 4 apples and she gives away two then collects 11 then gives away 4 again and her friend has 6 grapes and gives sall
Rina8888 [55]
There are 12 pieces of fruit in total
8 0
3 years ago
M is the midpoint of AB. If A is at (5,7) and M is at (-3,-4), find the coordinates of B.
Paladinen [302]

Got a picture for this question?


6 0
3 years ago
Tina babysat eight times. She earned $15, $20, $10, $12, $20, $16, $80, and $18. What is the average amount of money she made?
AleksAgata [21]
The mean is 23.875. That would be roughly $24 each time

6 0
3 years ago
Read 2 more answers
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