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alex41 [277]
3 years ago
9

Write the equation of the circle with a center (5, -7) and radius = 7

Mathematics
2 answers:
ehidna [41]3 years ago
8 0

9514 1404 393

Answer:

  (x -5)^2 +(y +7)^2 = 49

Step-by-step explanation:

The equation of the circle with center (h, k) and radius r is ...

  (x -h)^2 +(y -k)^2 = r^2

Putting (h, k) = (5, -7) and r = 7 into this form, your equation is ...

  (x -5)^2 +(y +7)^2 = 49

arsen [322]3 years ago
5 0

Answer:

(x-5)^{2} + (y+7)^{2} = 49

Step-by-step explanation:

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4. Ariel loves to go to baseball games. This season she has already attended 23 New York Ducks games. If
san4es73 [151]

Answer: She attended to 7 weekday games.

Step-by-step explanation:

Let's denote our variables as:

Wd = number of weekday games that she attended.

We = number of weekend games that she attended.

We know that in total, she attended to 23 games, so we have:

Wd + We = 23.

"If  Ariel attended nine more weekend games than weekday games" can be written as:

We = Wd + 9.

Then we have the system of equations:

Wd + We = 23.

We = Wd + 9.

The first step would be to replace the second equation into the first one, as:

Wd + We = 23.

Wd + (Wd + 9) = 23

Now we can solve this for Wd.

2*Wd + 9 = 23

2*Wd = 23 - 9 = 14

Wd = 14/2 = 7

She attended to 7 weekday games.

And:

We + 7 = 23

We = 23 - 7 = 16

She attended at 16 weekend games.

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4 years ago
How do I Solve for x: -2(x+3)=-2x-6
BlackZzzverrR [31]

Answer:

Step-by-step explanation:

all you need to do is use the distributive property and then you"ll get the answer

8 0
3 years ago
What is 760 times 43
Naddik [55]

760 times 43 is 32680

8 0
4 years ago
Read 2 more answers
-2x+y=-6 graph the line
weqwewe [10]
Use the website desmos.com, it's an online graphing calculator. just input the formula, and then just copy the graph.

Plus the simplified equation would be:
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How many times does 9 go into 143
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Answer:

143/9 = 15.89

Step-by-step explanation:

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