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Alexus [3.1K]
3 years ago
11

Need help with 4-10 pleaseeee

Mathematics
1 answer:
emmainna [20.7K]3 years ago
5 0

Answer:

-6

Step-by-step explanation:

10 - 4 = 6

Turn it to negative.

-6

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Answer:

centre = (- 3, - 2) , radius = 1

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Given

x² + 6x + y² + 4y + 12 = 0 ( subtract 12 from both sides )

x² + 6x + y² + 4y = - 12

Use the method of completing the square on the x and y terms

add ( half the coefficient of the x/ y terms )² to both sides

x² + 2(3)x + 9 + y² + 2(2)y + 4 = - 12 + 9 + 4

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3 years ago
A man borrowed $8000. He paid $10100 after 9 months for the debt. What was the interest rate per annum?
Anastaziya [24]

Answer:

3.5%

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4 0
2 years ago
Write an expression that is equivalent<br> to 2/8b+(3/8b+4/5)
pogonyaev

Answer:

i dont know im wondering to o-o

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
HELP I NEED HELP FAST. ILL MARK YOU BRAINLIEST.
Romashka-Z-Leto [24]

She plays soccer and golf for a total of 125 minutes:

s + g = 125

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s = g + 45 this is for A

B= 40 minutes of golf everyday

C= Yes, because in fact, she plays 85 minutes of soccer everyday, and 85 is greater than 80, so yes she CAN play 80 minutes of soccer every day. Perhaps they meant possible to spend ONLY 80 minutes, then NO, that wouldn't be possible, because then by playing 45 minutes more soccer than golf, she wouldn't have played enough to have 125 total minutes of total play. Technically the way the question is worded, the answer is yes.

I hope this helps!

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2 years ago
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chubhunter [2.5K]

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3 years ago
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