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
qwelly [4]
3 years ago
11

What is the radius of a circle whose equation is x2+y2+8x−6y+21=0?

Mathematics
1 answer:
melamori03 [73]3 years ago
8 0

Answer:

2 units

Step-by-step explanation:

none

You might be interested in
The area of a circle is 153.86 square meters. What is the diameter of the circle? Use 3.14 for π
Sav [38]

Answer: √ 4A /π or  13.996450848446

Step-by-step explanation:

D = 2R

C = 2πR

A = πR2

where:

R: Radius

D: Diameter

C: Circumference

A: Area

π: 3.14159

3 0
3 years ago
Read 2 more answers
The elevation of city a is 80 feet below sea level, the elevation of city c is 16 feet below sea level. The elevation of city D
tekilochka [14]
I am almost positive that the answer could be 8 feet below sea level
6 0
3 years ago
A tower is composed of a prism with a square base and
gregori [183]

Answer:

a)400V2 plus 3,600 m2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Write a recursive formula for an, the nth term of the sequence 3, -4, -11
yKpoI14uk [10]

Answer:

, 12, 48, 192...

a. Write a recursive formula for the nth term of the sequence

Ans: a(n+1) = 4*a(n)

------------------------------

b. Write a general formula for the nth term of the sequence

a(n) = 3*4^(n-1)

--------------

c. Calculate S10 for this sequence

Geometric sequence with a(1) = 3 and r = 4

----?

Step-by-step explanation:

8 0
3 years ago
CAN SOMEONE PLEASE HELP ME SOLVE THIS I WILL GIVE U BRAINIEST PLEASE AND THANK YOU.!
Arisa [49]

Answer:

Step-by-step explanation:

SIMPLE 30 X 30

8 0
3 years ago
Other questions:
  • The Statue of Liberty weighs about 2.04 x 105105 kg. The Washington Monument weighs about 9.07 x 107107 kg. About how many more
    5·1 answer
  • the ages of students in a computer class are 14, 13, 14,15,14,35,14. Decide which measure of center(s) best describes the data s
    14·1 answer
  • The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 60 o
    5·1 answer
  • 58% of what is 63.4?
    12·1 answer
  • How to divide 36 into 540 using partial quotients
    10·1 answer
  • Natalie and John are both saving coins in jars for a rainy day. Natalie currently has 1 1!8 jars of coins, and John has 9/14 of
    5·2 answers
  • What is the product?<br> (6r-1)(-88-3)
    7·1 answer
  • Find the measure of the indicated aces and angles
    12·1 answer
  • Solve for g and h please
    15·1 answer
  • Ken, the camp cook, makes 3 meals for every camper. The equation y= 3x shows the number of meals he makes, which depends on the
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!