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Rom4ik [11]
3 years ago
8

What type of conic section is the following equation? 4x2 + 4(y2 - 4) = 0 parabola circle hyperbola ellipse

Mathematics
1 answer:
stepladder [879]3 years ago
8 0

Answer:

Circle

Step-by-step explanation:

The center-radius form of the circle equation is in the format (x – h)² + (y – k)²= r². with the center being at the point (h, k) and the radius being "r". This form of the equation is helpful, since you can easily find the center and the radius.

A circle is a set of points in the plane.

So the conix section with this 4x2 + 4(y2 - 4) = 0 is definitely a circle.

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The town recreation committee raised money to increase the circumference of the jogger’s park, which was initially 1000 feet. It
yawa3891 [41]

Answer:C. 3000 ft

Step-by-step explanation:

First, find the radius of the circumference.

By dividing 1000 ft by 2, which is 500, and that is the radius.

Then you multiply the radius by 3, which is 1500.

Finally, you want the circumference, to find the circumference you need to multiply the radius by 2, which is 3000 ft.

That’s it.

3 0
3 years ago
What is the total length of the tadpoles that are 1/8-inch and 1/4-inch long?
nasty-shy [4]

The dot plot shows the frequency or length of the tadpoles

The total length of the tadpoles that are 1/8-inch and 1/4-inch long is 7/8 inches

<h3>How to determine the total length?</h3>

From the dot plot, we have the following parameters:

  • 3 tadpoles have a length of 1/8
  • 2 tadpoles have a length of 1/4

So, the total length is:

Total = 3 * 1/8 + 2 * 1/4

Evaluate the product

Total = 3/8 + 1/2

Rewrite as;

Total = 3/8 + 4/8

Evaluate the sum

Total = 7/8

Hence, the total length of the tadpoles that are 1/8-inch and 1/4-inch long is 7/8 inches

Read more about dotplots at:

brainly.com/question/24309209

4 0
2 years ago
Please help, legit need to study for so many exams and this is the last thing on my mind to do. Appreciate anybody willing to he
Ivenika [448]

Answer:

x=13

z=84

Step-by-step explanation:

The intersection of two of these lines actually have relationships. The two angles that have the variable x both add up to 180 degrees since we assume for them to be a straight line, and the angle with '11x-59' is equal to Z since they are vertical from each other.

Knowing this, we can add the two equations together and equal it to 180. This is to give us the variable x.

(11x-59)+(13x-73)=180       (always use parenthesis!)

24x-132=180                     (combine like terms)

24x=312

x=13                                   (isolate x)

We now know that the x stands for 13, but we are not done. By plugging in the variable x in for the equation 11x-59, we can find the value of z since they are vertical angles.

11(13)-59=84

z=84

8 0
2 years ago
Which numbers are irrational ?
lianna [129]

Answer:

1.true  2.False  3. true 4. False  5. true 6. false

Step-by-step explanation:

Irrational number are with the square root sign

8 0
3 years ago
Please show your work too thank you!
Rasek [7]
I can’t see just zoom in a little
3 0
3 years ago
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