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alina1380 [7]
2 years ago
15

What is the radius of the circle x2+(y+6)2=25

Mathematics
1 answer:
GenaCL600 [577]2 years ago
6 0

Answer: y=7

Step-by-step explanation:

Use the vertex form to determine the values of

a

,

h

, and

k

and use these values to find the direction the parabola opens, vertex, focus, axis of symmetry, and directrix.

Direction: Opens Down

Vertex:

(

0

,

13

2

)

Focus:

(

0

,

6

)

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ABCDE ~ FGHIJ. Figure 2 is a dilation of figure 1, and the scale factor is 0.6. Given that FG = 12 cm, find AB.
avanturin [10]
We known that the figures are similar if and only if the corresponding sides and and angles have the common scale factor. In this item, the scale factor is 0.6. The length of AB is determined by multiplying the length of FG with the scale factor. That is,
                            AB = FG x scale factor
                            AB = (12 cm) x 0.6
                            AB = 7.2 cm
Thus, the length of side AB is 7.2 cm. 
6 0
2 years ago
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jeka57 [31]
OB would be correct
6 0
3 years ago
If 1 yard = 3 feet and 1 mile = 5,280 feet, how many yards are there in 4 miles?
kipiarov [429]

Answer: 21,120

Step-by-step explanation:

So your going to use the feet because you are seeing how many miles so what I did was multiply 5,280 to 4 and i got 21,120

5 0
3 years ago
The admission fee at an amusement park is $2.00 for children and $6.80 for adults. On a certain day, 388 people entered the park
spin [16.1K]

Answer: 188 children and 200 adults were admitted.

Step-by-step explanation:

Let x represent the number of children that were admitted that day.

Let y represent the number of adults that were admitted that day.

On a certain day, 388 people entered the park. It means that

x + y = 388

The admission fee at the amusement park is $2.00 for children and $6.80 for adults. The admission fees collected that day totaled $1736. It means that

2x + 6.8y = 1736- - - - - - - - - - - 1

Substituting x = 388 - y into equation 1, it becomes

2(388 - y) + 6.8y = 1736

776 - 2y + 6.8y = 1736

- 2y + 6.8y = 1736 - 776

4.8y = 960

y = 960/4.8

y = 200

x = 388 - y = 388 - 200

x = 188

4 0
3 years ago
Prove: 3 log3 81= 4 log4 64​
Anastasy [175]

Step-by-step explanation:

  1. 3log3 3^4=4log4 4^3
  2. 3*4 log3 3=4*3 log4 4
  3. 12 log3 3= 12 log4 4
  4. 12*1=12*1 (loga a=1)
  5. 12=12
5 0
3 years ago
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