1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
WITCHER [35]
3 years ago
8

The letters x and y represent rectangular coordinates. Write the following equation using polar coordinates (r, θ). x^2+4y^2=4

Mathematics
1 answer:
GREYUIT [131]3 years ago
7 0
We know x = r*cosθ and y = r*sinθ and just substitute
You might be interested in
An insect crawls up 5cm every second on a 6cm vertical rod and then falls down 2cm over the next second. How many seconds will i
makkiz [27]

Answer:

3 seconds

Step-by-step explanation:

It's quite simple. First, add 5cm to the progress of the insect, counting it as 1 second. Then subtract 2cm because it falls over the next second, thus taking another second. Then finally, plus 5cm, making it 3 seconds. It's not 4 seconds because at 3 seconds it had already reached the top.

If I didn't clear everything or messed up, please comment.

3 0
3 years ago
An army base in the desert is located at the origin, O of an x-y coordinate system. A soldier at point P needs to determine his
Nutka1998 [239]

Answer/step-by-step explanation

The soldier at point P lie on a parabola because he determined his position and distances from towns A and B through measurement of the difference in timing (phase) of radio signals received from the two towns.

This analysis of the signal time difference gives the difference in distance of the soldier at P, from the towns.

This process is known as hyperbolic navigation.

These distances of point P from towns A and B is estimated by the soldier at point P, by measuring the delay localizes the receiver to a hyperbolic line on a chart.

Two hyperbolic lines will be drawn by taking timing measurements from the

towns A and B .

Point P will be at the intersection of the lines.

These distances of point P(The soldier's positions) from town A and town B were determined using the timing of the signals received from the two towns, due to the fact that point P was on a certain hyperbola.

8 0
3 years ago
A sphere has a diameter of 1.2 meters. The sphere increased the diameter by 0.2 meters. What percent increase is the radius of t
Tasya [4]
So, the sphere went from 1.2 meters to 1.4 meters.
The radius will always be half of the diameter. So it went from .6 to .7.
Let's divide and see what percent .7 is of .6.
.7÷.6=1.166666666(repeating 6).
This means, it increased by about 16.7%, since it was not doubling, just going up.

4 0
3 years ago
19. In the triangle ABC, the side lengths are BC = 14 and AC = 7. What's the angle measurement of B?
mr Goodwill [35]

Answer:

Is not possible to compute the angle under those conditions.

Step-by-step explanation:

You need more information, I will be more specific, there is a book called "Geometry" by Moise Downs where the following theorem is stated on the chapter 7.

Let    ΔABC   and   ΔDEF   be two triangles  where AB = DE  and AC = DF  if  

∠A   >  ∠D     then   BC > EF,   which in simple terms means that, if two sides are equal, the angle between them can vary as much as you want and that will directly imply the size of the third size of your triangle.  

Therefore, there is information missing in order to solve the question

8 0
3 years ago
what is the realtionship between the value of the digital 4 in the numbers 5,412 and the number 54,123?
REY [17]
Times 10 400 times ten is 4000
6 0
3 years ago
Read 2 more answers
Other questions:
  • 673 divided by blank = 0.673. What is blank?
    14·2 answers
  • Number 13 least to greatest please put an order
    14·2 answers
  • Expand and Simplify:<br> (3x + 5) (x - 2)<br> -Please Help! Due in for 4:30pm! Xx
    12·1 answer
  • ANSWER ASAP PLEASEEE!!!!!!!!!!!!!!!!!
    13·2 answers
  • Point B ∈ AC . Points K, M, N, and P are the midpoints of AB , AC , MC , and NC , respectively. Write a congruency statement for
    8·1 answer
  • Given the equation 2x+2 over y = 4w + 2 , what is the value of x ?
    14·1 answer
  • Write a linear equation that goes through the points (0,4) and (4,10).
    10·2 answers
  • Please help !! *will mark correct answer as brainliest*
    14·1 answer
  • 5. Which represents the slope of a line that is parallel to a line with a slope of -3?
    7·1 answer
  • Hey! i’ll give brainliest please help
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!