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kykrilka [37]
3 years ago
8

Choose the correct conic section to fit the equation.

Mathematics
1 answer:
yanalaym [24]3 years ago
5 0

Answer:

Option A) Circle.

Step-by-step explanation:

We are given the equation:

(x - 3)^2 + (y - 12)^2 = 25

A general equation of the circle is of the form:

(x-h)^2 + (y-k)^2 = r^2

where (h,k) is the center of the circle and r is the radius of circle.

Comparing the two equations, we get,

(h,k) = (3,12)\\r = \sqrt{25} = 5

Thus, the given equation is equation of a circle centered at (3,12) and of radius 5 units.

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Out of 60 people surveyed at the movies, 45 people said they bought popcorn.If there were 420 people at the movies how many woul
zhenek [66]

Answer:

315

Step-by-step explanation:

45/60 = 3/4

3/4 * 420 = 315

6 0
3 years ago
The length of a rectangle is the width minus 3 units. The area of the rectangle is 40 units. What is the width, in units, of the
Eva8 [605]

The width of rectangle is 8 units.

Step-by-step explanation:

Given,

Area of rectangle = 40 units

Width = w

Length = w-3

Area = Length * Width

40=(w-3)*w\\40=w^2-3w\\w^2-3w=40\\w^2-3w-40=0

Factorizing the equation

w^2-8w+5w-40=0\\w(w-8)+5(w-8)=0\\(w-8)(w+5)=0

Either,

w-8=0         => w=8

Or,

w+5=0        =>w= -5

As width cannot be negative, therefore

Width of rectangle = 8 units

The width of rectangle is 8 units.

Keywords: area, rectangle

Learn more about rectangles at:

  • brainly.com/question/10538663
  • brainly.com/question/10557275

#LearnwithBrainly

6 0
2 years ago
Given r= 10 and e=0.57, find the Cartesian coordinates. Check your answer.
Rudik [331]
I think it is d not sure tho
3 0
3 years ago
The product of two ratio rational numbers is 48/5. If one of the rational number is 66/7, find the other rational number.
goldenfox [79]
Let x = the other rational number.

x(66/7) = (48/5)

Solve for x to find your answer.
3 0
3 years ago
Exact solutions. X^2-5x-1=0
Romashka [77]

Answer:

x= (5±√29)÷2

Step-by-step explanation:

Quadratic formula:

x= (-b±√b²-4ac)÷2a

7 0
2 years ago
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