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Mashutka [201]
4 years ago
14

Graph: y-3 = 1/2 (x+2)

Mathematics
1 answer:
Luda [366]4 years ago
4 0

Answer:

Step-by-step explanation:

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Find an equation of the circle that satisfies the given conditions. (Use the variables x and y.)
prohojiy [21]

Answer:

x^2 + y^2 = 52

Step-by-step explanation:

Distance between two points:

Suppose that we have two points, (x_1,y_1) and (x_2,y_2). The distance between them is given by:

D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Equation of a circle:

The equation of a circle with center (x_0,y_0) and radius r has the following format:

(x - x_0)^2 + (y - y_0)^2 = r^2

Center at the origin;

This means that x_0 = 0, y_0 = 0

So

(x - x_0)^2 + (y - y_0)^2 = r^2

(x - 0)^2 + (y - 0)^2 = r^2

x^2 + y^2 = r^2

Passes through (4, 6)

The radius is the distance from this point to the center. So

r = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

r = \sqrt{(4-0)^2+(6-0)^2}

r = \sqrt{16+36}

r = \sqrt{52}

So

r^2 = 52

Then

x^2 + y^2 = r^2

x^2 + y^2 = 52

8 0
3 years ago
Michelle took one of her friends out to lunch. The lunches cost $74 and
Reika [66]

Answer:

$91. 91

Step-by-step explanation:

i used a tip and tax calculator :))) hope this helps

8 0
3 years ago
What is the measure of the angle created below?
Law Incorporation [45]

Answer:

I believe the answer is 70

Step-by-step explanation:

5 0
3 years ago
Line segment DA D(-4,5) and A(3,-3) is dilated by a factor of 2 to form D’A’. How long is D’A’?
sammy [17]

Answer:

Ask Your math teacher

step 1: ask

Step 2 : tell them what you dont understand

step 3 : stop cheating and looking up anwsers

:D that's how i got my answer hope u got yours right

5 0
4 years ago
The container that holds the water for the football team is 2/9 full. After pouring in 12 gallons of water, it is 2/3 full. How
Luden [163]

Answer:

27 gallons

Step-by-step explanation:

Our equation is: \frac{2x}{9} +12 = \frac{2x}{3}

What do we need to find: x

We need to first find x, so lets find x first.

12 =  \frac{2x}{3}  -  \frac{2x}{9}

=> 12 = \frac{6x}{9} - \frac{2x}{9}

=> 12 = \frac{4x}{9}

=> x = 27

Lets go back to our equation.

\frac{2(27)}{9} +12 = \frac{2(27)}{3}

We are going to simplify this before solving this. We are going to get:\frac{54}{9} +12 = \frac{54}{3}

=> 18 = 18

Therefore, we found x and we checked that our x value is correct. Now, we need to find how many gallons can the container can hold.

\frac{3x}{3} = a                                                           [a = gallons can the container hold]

=> x = a

Basically that means the container can hold 27 gallons of water.

Please give me brainliest if this is helpful ;D

4 0
3 years ago
Read 2 more answers
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