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
Marta_Voda [28]
3 years ago
8

What is the radius of a circle if the area is 78.5 cm^2

Mathematics
1 answer:
Verizon [17]3 years ago
3 0
78.5= (3.14)r^2
25=r^2
5=r
So, the radius of a circle with an area is 78.5 cm^2 is 5 cm^2
You might be interested in
Find x for all three triangles.
Lady bird [3.3K]
In 13, x=27.496
In 14, x=16.824
In 15, x=51.34° 

<em />
I did this in my head; it would take longer to write it out. I'll show you the trig if need be.
3 0
3 years ago
Rewrite the expression using the distributive property: 3(2r + 2)
RUDIKE [14]

Answer:

6r + 6

Step-by-step explanation:

Hello! Thanks for letting me answer your question! If you have any more questions feel free to ask me! If not, Have a WONDERFUL day and Please don't forget to consider making me Brainliest on your question today!

4 0
3 years ago
Read 2 more answers
(a) 0.6+0.66 +0.666 +.... n terms​
Leto [7]

Answer:

0.66(1.1 ^n -1)

Step-by-step explanation:

They are in GP!

S = (6.6)(1.1 ^n -1)÷(0.1)

3 0
3 years ago
The area of a square is 20 square which best represent the length of the side of the square
mote1985 [20]
5' per side or whatever units it's measured in, because 4x5=20
8 0
3 years ago
PLEASE HELP!!!<br> Due in 10 minutes!
erastovalidia [21]

Answer:

41ft²

Step-by-step explanation :

8ft - 2ft = 6ft

6ft - 2ft = 4ft

4ft - 1ft = 3ft

3ft * (8ft + 2ft) / 2 = 15ft²

1ft * (8ft + 2ft) = 10ft²

8ft * 2ft = 16ft²

Total : 16 + 15 + 10 = 41ft²

3 0
2 years ago
Read 2 more answers
Other questions:
  • Find all real numbers $t$ such that $\frac{2}{3} t - 1 &lt; t + 7 \le -2t + 15$. Give your answer as an interval.
    7·1 answer
  • The cost of a pool cover depends on its area use the picture to find the area of the pool 30 50 25 10 5 40
    7·1 answer
  • Is there more wood in a 60​-foot-high tree trunk with a radius of 2.2 feet or in a 50​-foot-high tree trunk with a radius of 2.5
    9·1 answer
  • 8+6 it’s a math test
    10·1 answer
  • Express the following<br> ratio in its simplest<br> terms: 4 weeks 6 days
    8·2 answers
  • 4x =64 find x in exponential equations <br><br>​
    8·1 answer
  • In the picture is my question :3 thank you so much for your help!
    8·1 answer
  • Help with these please. Thank you
    10·2 answers
  • Please do the bottom questions, I provided the rest.
    12·2 answers
  • Emma read the statement “the quotient of six and a number, x, is the same as negative two times the difference of x and 4.5.” Sh
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!