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aev [14]
2 years ago
10

Choose 1 answer:

Mathematics
1 answer:
AlladinOne [14]2 years ago
8 0

Answer

B

Explain:I got it right definitely didn't search it up

but I promise it's right

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what is the center of a circle whose equation is x2 + y2 – 12x – 2y + 12 = 0? o (-12,-2) o (-6, -1) o (6, 1) (12, 2)
Leno4ka [110]

Answer:

(6,1)

Step-by-step explanation:

1.) group the x and y terms (and move the constant to the other side)

x²-12x+y²-2y= -12

divide the coeficcents for the terms with just 1 or 1 x variable by 2 and then square it (and add that to both sides)

x²-12x+36+y²-2y+1= -12+36+1

factor

(x-6)²+(y-1)²= 25

the center is therefore (6,1)

7 0
3 years ago
which equation, written in standard form correctly represents this scenario and indicates what the variables represent?
pishuonlain [190]

The answer is the third option.

The explanation is shown below:

1. You must keep on mind the information given in the exercise:

- She bough 3 pounds of coffee.

- She bought 2 pounds of chocolate.

- She spent a total of $24.

2. Therefore, you can call the price per pound of coffee x and the price per pound of chocolate y.

3. When you multiply 3 pounds by the price per pound of coffee, you obtain the amount of money she spent for 3 pounds. When you multiply 2 pounds by the price per pound of chocolate, you obtain the amount of money she spent for 2 pounds. If you add both amounts, you obtain the total spent, which was $24.

4. Therefore, you can express this as following:

3x+2y=24

5 0
3 years ago
I’ll give brainliest:) help thanks
liubo4ka [24]

Answer:

A

hope this helps

have a good day :)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please.<br>solve the system of equations
Talja [164]

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form: (3,2)

Equation form:

x = 3

y = 2

4 0
3 years ago
Explain how an enlargement or a reduction in the dimensions of a building would cause a change in the scale factor.
swat32

Answer:

It would create an enlarged figure.

Explanation:

A scale factor of  

1

results in a figure of equal dimensions or an isometric figure.

A scale factor of less than  

1

results in a figure of reduced dimensions .

A scale factor of greater than  

1

would result in a figure of enlarged dimensions.

As  

4

3

>

1

, it would create an enlarged figure.

Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
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