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
Ber [7]
3 years ago
14

Give the equation for a circle with the given center and radius. Center at (2, -9), radius = 3

Mathematics
1 answer:
olga2289 [7]3 years ago
8 0

Answer:

B

Step-by-step explanation:

The standard form of the equation of a circle is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Here (h, k) = (2, - 9) and r = 3, thus

(x - 2)² + (y - (- 9))² = 3², that is

(x - 2)² + (y + 9)² = 9 → B

You might be interested in
Find 4,290 + 3,602. Explain how to use mental math to solve.
lina2011 [118]
Answer: 7892

explanation: add each number individually left to right. 4+3 , 2+6 , 9+0 , 0+2
4 0
3 years ago
One of the legs of a right triangle measures 9 cm and the other leg measures 16 cm.
aalyn [17]

Answer:

18.4 cm

Step-by-step explanation:

Using Pythagoras rule:

Hypotenuse =

\sqrt{9 ^{2}  + 16 ^{2} }

= 18.4 cm

7 0
3 years ago
Myra is evaluating the expression –31.7 + 4.5x, when x = 2.1.
mylen [45]

Answer:

-22.25

Step-by-step explanation:

-31.7+4.5(2.1)

-31.7+9.45

-22.25

8 0
3 years ago
Read 2 more answers
Which is an equation of a direct proportion?
nikdorinn [45]

Answer:

Step-by-step explanation:

4 0
3 years ago
What’s 15x - 25 + 2 = 22 (with steps)
cupoosta [38]

Answer: x= 3

Step-by-step explanation:

15x-25+2=22

15x-25=25

15x=50

x=3.333333

x=3

6 0
3 years ago
Read 2 more answers
Other questions:
  • Whats five times twenty
    6·2 answers
  • Number 2 to 4 I don’t understand it.
    6·1 answer
  • The first number in a pattern is 16. The pattern follows the rule divide by 2 and then add 13. What is the 4th term in the patte
    9·2 answers
  • Find the percent increase. Round to the nearest percent. From 11 friends to 18 friends
    10·1 answer
  • Please please please answer!!!
    6·2 answers
  • Twenty-four is 30% of what number?
    11·2 answers
  • How much would you pay for 5 apples at the rate of $6.60 a dozen?
    11·2 answers
  • Use the distributive property to find the value of x.
    9·1 answer
  • Find the value of x in the triangle.
    5·1 answer
  • Which number sentence is true?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!