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
Brrunno [24]
3 years ago
15

Find the center and radius of the circle. (x – 5)2 + (y – 7)2 = 81 Center:( Radius:

Mathematics
1 answer:
disa [49]3 years ago
7 0

Answer:

Center (5,7) radius: 9

Step-by-step explanation:

The standard equation of a circle is

(x-h)^2+(y-k)^2=r^2

where the center is (h,k) and r is the radius

so in this case h is 5 k is 7

and r^2=81 so r=9

You might be interested in
I have 3 questions, 20 points each please explain your answer and show work, and PLEASE GIVE AN ACTUAL ANSWER. PLEASE ANSWER SOO
alexdok [17]

Answer:

Step-by-step explanation:

1.From the given triangle, ABC, using the proportionality theorem, we get

\frac{FA}{CA}=\frac{EF}{BC}

⇒\frac{8}{40}=\frac{5}{x}

⇒x=25ft

Thus, the height will be 25 feet.

2.  

Statement                                                   Reason

1.∠C≅∠E                                                     Given

2. ∠ABC≅∠DBE                                Vertically opposite angles

3. ΔABC is similar to ΔDBE               AA similarity rule.

5 0
3 years ago
Find the area of a parallelogram with base b and height h b=74 cm h=14.8 cm
dexar [7]

The answer is A. 88.8 cm2

Work:

74 x 2 = 148

14.8 = 29.6

Add them = 177.6

then \frac{177.6}{2} = 88.8

5 0
3 years ago
Read 2 more answers
In a batch of 280 water purifiers, 12 were found to be defective. What is the probability that a water purifier chosen at random
aleksley [76]
This is experimental probability.

If 12 were found to be defective out of 280 the experimental probability of a purifier being defective is:

12/280 which is:

4.3%  (to nearest tenth of a percent)
6 0
3 years ago
Read 2 more answers
Her the
Otrada [13]

Answer:

13. m∠MN + m∠NMP = m∠MP.

14. m∠NMP - m∠OMP = m∠NMO.

~

15. x = 3 + y and -2y + 3 < -1 : Given

16. x > y : x = 3 + y

17. -2y < -4 : -2y < -4

18. y > 2 : y > 2

19. x > 2 : x = 3 + y and y > 2

<u>------------------------------------------</u>

5 0
2 years ago
A store charges $280 for a coat. This price is 40 percent more than the amount it cost the store to buy the coat. At the end-of-
Tasya [4]
So 280=1.4x so 280/1.4 is 200  .7*200 is 140 so $140
7 0
3 years ago
Read 2 more answers
Other questions:
  • The area of this circle is 96π m². what is the area of a 30º sector of this circle?
    12·2 answers
  • Kali left school and traveled toward her friend’s house at an average speed of 40
    9·1 answer
  • The table shows the record monthly high and low temperatures for a city in Alaska.
    13·2 answers
  • 2.
    8·2 answers
  • A farmer produces both beans and corn on her farm. If she must give up 16 bushels of corn to be able to get 6 bushels of beans,
    7·1 answer
  • Mrs.Welch needs to buy some cat food . If each can costs $0.79 and she has a coupon for $2 off the entire purchase, how many can
    5·2 answers
  • The graphs of linear functions f and g are shown on the grid.
    8·2 answers
  • A 52 foot ladder is set against the side of a house so that it reaches up 48 feet. If Jace
    15·1 answer
  • Somebody help pls I need help with this
    10·2 answers
  • 2^2x = 2^3 ,what is the value of x?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!