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Kipish [7]
3 years ago
13

What’s the correct answer for this?

Mathematics
1 answer:
katovenus [111]3 years ago
8 0

Answer:

FIRST option is the correct answer

Step-by-step explanation:

First option is the correct answer.

(x+11)^2 + (y+ 6)^2 = 324\\ (x+11)^2 + (y+ 6)^2 = 18^2 \\

Equating it with:

(x-h)^2 + (y-k)^2 = r^2 \\- h = 11\implies h = - 11\\- k= 6\implies k = - 6\\Center = (-h, \: - k) = (11,\: 6)\\r^2 = 18^2 \\Radius= 18\: units

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The price of a ceramic bead necklace (Y) is directly proportional to the number of beads (x) on the necklace. Using the graph, w
Annette [7]

Answer: C) (1,0.80) represents the unit rate. E) (25,20) represents the price of a necklace with 25 beads

Step-by-step explanation:

(1, 0.80) represents the unit rate.

(25, 20) represents the price of a necklace with 25 beads.

\frac{y}{x} = unit rate → \frac{4}{5} = 0.80; \frac{12}{15} = 0.80; \frac{16}{20} = 0.80

Point (1, r) → (1, 0.80) represents the unit rate.

25(0.80) = 20; thus, (25, 20) represents the price of 25 beads.

Hope this helps

8 0
2 years ago
The sum of two numbers is 51.
Firdavs [7]

Answer:

21 and 30

Step-by-step explanation:

x + y = 51

x - y = 9

add the two equations and y's will cancel out

2x = 42  divide by 2

x = 21   so put 21 in for x in the top equation and solve

21 + y = 51

y = 30

4 0
2 years ago
How many different triangles can you make if you are given the measurements for two Angles and the length of a side that is not
nordsb [41]

Answer:

  c.  2

Step-by-step explanation:

Defining two angles of a triangle means you know the values of all of the angles. When all angles are known and the side opposite one of them is known, then the triangle is completely determined.

In this case, the angle opposite the given side can be either of the two given angles, so two triangles are possible.

__

If the two angles have the same measure, then only one triangle is possible.

6 0
3 years ago
Will give brainliest to the first person who answers
alexandr402 [8]

Answer:

z =86

Step-by-step explanation:

The exterior angle of a triangle is the sum of the opposite interior angles

z + z-39 = z+47

2z-39 = z+47

Subtract z from each side

z-39 = 47

Add 39 from each side

z = 47+39

z =86

7 0
3 years ago
Read 2 more answers
You earn $49 for washing 7 cars. How much do you earn for washing 4 cars?
ICE Princess25 [194]

Answer:

Step-by-step explanation:

We can use the rule of three!

We know we have the following relationship:

\frac{49}{7} = \frac{x}{4}

From here, we can solve this like any other equation:

4(\frac{49}{7}) = x\\x = 28

Therefore, you would earn $28 after washing 4 cars.

Good luck!

4 0
2 years ago
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