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
prisoha [69]
3 years ago
7

Need help #14 The center of the circle is (0,-8). The radius is 9.

Mathematics
2 answers:
sattari [20]3 years ago
4 0

Answer:

C and D

Step-by-step explanation:

The equation of a circle is

(x - h)² + (y - k)² = r²      where (h,k) is the center, and r is the radius

Plug in what you were given, and simplify...

(x - 0)² + (y - (-8))² = 9²

  x² + (y + 8)² = 81

This is answer C.

We can get answer D by foiling out (y + 8)² and simpligying...

 x² + y² + 16y + 64 = 81

    x² + y² + 16y = 17    (subtract 64 from both sides)

Shtirlitz [24]3 years ago
3 0
X^2+ (y+8)^2 = 81.....this is C.
X^2 + y^2 + 16y +64=81 so x^2 + y^2 + 16y = 17.....this is D.

So I’d say C and D are correct
You might be interested in
(a) An angle measures 25°. What is the measure of its complement?
Setler79 [48]

Answer:

A) 65 degrees

B) 89 degrees

Step-by-step explanation:

Complementary angles always add up to 90 degrees whereas supplementary angles always add up to 180 degrees

Hope it helps :)

5 0
2 years ago
Help me please!!!!!!!!!!!!!!!!
AVprozaik [17]

Answer: idk but i will look

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the area of the figure?
iren [92.7K]

Answer:

3600

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Simplify (4x − 6) − (5x + 1). (1 point)
seraphim [82]

Answer:

4) -x - 7

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

(4x - 6) - (5x + 1)

<u>Step 2: Simplify</u>

  1. Distribute negative:                              4x - 6 - 5x - 1
  2. Combine like terms (x):                         -x - 6 - 1
  3. Combine like terms (Z):                        -x - 7
5 0
3 years ago
PLEASE ANSWER ASAP! 20 POINTS IF U ANSWER!
PSYCHO15rus [73]

Answer:  multiply by 3

Step-by-step explanation:

I know this because the relation ship applies to all of the number, for example 3 x 3 = 9 and so on.

8 0
3 years ago
Read 2 more answers
Other questions:
  • Brenda+said+that+5/2+divided+by+1/4+equals+10.+how+do+you+know+without+dividing+whether+brenda's+statement+is+reasonable?+justif
    15·1 answer
  • How can i write 1 as a power in three different ways?
    5·1 answer
  • A dress that normally costs $69.50 is on sale for 45% off. What is the sale price of the dress?
    6·2 answers
  • Explain how to add fractions with the same denominator. Use
    13·2 answers
  • Maria studied the traffic trends in India. She found that the number of cars on the road increases by 10% each year. If there we
    13·1 answer
  • What is the slope of (-2,7); (-5,3)
    12·1 answer
  • Which equation could be used to find the cost of each Apple? 4x+3(0.89)=$7.15 , 3x+4(0.89)=$7.15 , $7.15-3x=0.89 , or 4x-3(0.89)
    8·1 answer
  • Someone help me with this pls ty :) Math. No Fake answers please!!!
    8·2 answers
  • I need help ASAP please giving brainliest!!
    15·2 answers
  • Which proportion could you use to convert 5 gallons to quarts?<br> Convert.<br> 5gallons=<br> quarts
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!