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
bonufazy [111]
2 years ago
11

Write an equation of a circle with a center at (2, - 4) and a radius of 4.

Mathematics
1 answer:
fgiga [73]2 years ago
6 0

9514 1404 393

Answer:

  (x -2)^2 +(y +4)^2 = 16

Step-by-step explanation:

The equation of a circle with center (h, k) and radius r is ...

  (x -h)^2 +(y -k)^2 = r^2

You have (h, k) = (2, -4) and r = 4, so your equation is ...

  (x -2)^2 +(y -(-4))^2 = 4^2

  (x -2)^2 +(y +4)^2 = 16

You might be interested in
Solve 5w^2+25=115, Where w is a real number.
MArishka [77]

Answer:

w=+/-4.24 or whatever could be either since its squared

Step-by-step explanation:

subtract 25 so 5x^2=90. divide by 5 so w^2=18 then square root to get rid of the ^2 so w=+/-4.24

4 0
2 years ago
What is the answer to (−t/3)^2?
Sloan [31]

Answer:

Simplify the expression.

t^/9

Step-by-step explanation:

7 0
3 years ago
I need help with this problem ​
vazorg [7]
C,d hope it helped





I wrote this because 20 word rule
4 0
3 years ago
Solve for x:<br> -1/3(4x+2)=1/3(x+11)<br><br> A. -13/3<br> B. -3<br> C. -13/5<br> D. -9/5
Nataly_w [17]
X=-13/5

Simplify both sides of the equation, isolate the variable, and then you get your answer. 
7 0
3 years ago
Fatima has 72 oranges. Four oranges are needed to make a glass of freshly squeezed orange juice. How many glasses of orange juic
Digiron [165]

Answer:

72 divided by 4 =18.

18 oranges are needed

5 0
3 years ago
Read 2 more answers
Other questions:
  • Cristina wants to make centerpieces for a dinner party. She buys 7 cylindrical vases and plans to fill them each halfway with co
    10·2 answers
  • Can someone help me on this plzzzz
    14·1 answer
  • What’s the size of the missing angle
    9·2 answers
  • A rectangular prism has a length of 4.5 cm, a width of 10 cm, and a height of 2.5 cm. What is the volume of the prism?
    12·2 answers
  • Charlie is choosing between two exercise routines.
    5·1 answer
  • What is the equation of this graphed line?
    12·1 answer
  • a father's age is three less than two times the son's age. the difference in their ages is 30 years. find the son's age.
    12·2 answers
  • How do you find lower class limit
    11·1 answer
  • The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The
    15·1 answer
  • What is 2.3g as a percentage of 5.98g ? (Round the nearest whole number)
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!