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
hjlf
3 years ago
15

Find the polar equation for the curve represented by the given cartesian equation x+y=4

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
8 0
Remember that x =r cos theta and y = r sin theta.  Thus, 

x + y = r (cos theta + sin theta) = 4, or

r (cos theta + sin theta) = 4, or
                        4
r = -------------------------------
       cos theta + sin theta
You might be interested in
270 peaches are placed into three groups: small peaches,
Ghella [55]

Answer:

$0.45

Step-by-step explanation:

ratio is 2:4:3

total is 9

270 ÷ 9 = 30

smoll

60 × 0.25 = $15

med

120 × 0.30 = $36

Big

91.50 - 15 - 36 = 40.5

40.5 ÷ 90 = $0.45

4 0
2 years ago
Solve for y:y= [-7-6]<br><br>answers:<br> (a)-13 (b)13 (c)1 (d) -1 (e) none of these
Natali [406]

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

Hi my lil bunny!

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

y= [-7-6]

y = -13

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

Have a great day/night!

❀*May*❀

8 0
3 years ago
According to the recent poll, 22 1/4% of the people polled said that they approved of the city plan to expand the library. If 10
Sphinxa [80]

Answer:

Some 224 people were in favor of the expansion.

Step-by-step explanation:

Given that, according to the recent poll, 22 1/4% of the people polled said that they approved of the city plan to expand the library, if 1004 people was polled, to determine how many were in favor of the expansion should be done the following calculation:

1/4 = 0.25

100 = 1004

22.25 = X

1004 x 22.25 / 100 = X

223.39 = X

Thus, some 224 people were in favor of the expansion.

3 0
3 years ago
A square floor tile has a diagonal 19 inches long. What is the area of the tile?
Anit [1.1K]

Answer:

C

Step-by-step explanation:

The answer is C because you plugin using the area formula.

3 0
3 years ago
Given tantheta = 4/3 and pi &lt; theta &lt; 3pi/2; find cos2theta
Sidana [21]

Answer:

d. -7/25

Step-by-step explanation:

π<θ<3π/2  in third quadrant

tanθ = 4/3

sinθ = - 4/5

cosθ = - 3/5

cos 2θ = cos²θ - sin²θ = (- 3/5)² - (- 4/5)² = 9/25 - 16/25 = - 7/25

8 0
3 years ago
Read 2 more answers
Other questions:
  • Function domain word problems. 49 points! Please and thank you ^-^
    11·2 answers
  • What is the cube of the quotient 24 and 6
    14·1 answer
  • Solve x2 − 8x − 20 = 0. (1 point) x = 4, x = −5 x = −4, x = 5 x = 2, x = −10 x = −2, x = 10
    9·2 answers
  • After 3 years, Remington earned $390 in simple interest from a CD into which he initially deposited $4000. What was the annual i
    11·2 answers
  • George ate 2/ 3 of a container of Chinese food. Silvia ate 1/ 5 of the same container of Chinese food. What fraction of the cont
    14·1 answer
  • Solve for x: 5/8=x-1/9<br><br> A. 37/8<br> B. 23/4<br> C. 11/2<br> D. 53/8
    15·1 answer
  • Among the four northwestern states, Washington has 51% of the total population, Oregon has 30%, Idaho has 11%, and Montana has 8
    11·1 answer
  • Please help me with this
    15·1 answer
  • Rewrite the following equation in standard form.<br> y = 7x + 2
    6·1 answer
  • look at the table in the problem 4 alex drove a distince between 2 cities in the table.he said that he drove about 2,000 miles.W
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!