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
AlekseyPX
3 years ago
10

Can someone please answer. There is one problem. There is a picture. Thank you!

Mathematics
1 answer:
jonny [76]3 years ago
5 0
SA=4pir^2
78.54km^2=SA
78.54=4pir^2
divide both sides by 4
19.635=pir^2
aprox pi=3.14 so divide both sides by 3.14
6.25318=r^2
sqrt both sides
2.50063=r
round
radius=2.5km

this question is flawed in that it gives the wrong units

answer is the option with 2.5 in it
2nd one
You might be interested in
9^2= 9.5^2 + 4^2 - 2 (9.5) (4) (cosR)<br><br> I'm trying to find out the angle measure of R
alexandr402 [8]
Sorry I can't solve it.

Firstly, the equation is wrong. It is supposed to be <span>81 ≠ </span><span>30.25

Second of all, this is the best I got </span>81= <span><span>−<span>76 <span>(<span>cos<span>(r) </span></span></span></span></span>+ <span>106.25</span></span>
5 0
3 years ago
I don’t know how to answer my this math question, it’s easy so please help
Fofino [41]

which one ?

the bottom or the top or is this a trick

7 0
3 years ago
At a baseball game, a vender sold a combined total of 234 sodas and hot dogs. The number of sodas sold was two times the number
Basile [38]

Answer:

They sold 78 Hot Dogs and 156 Sodas

Step-by-step explanation:

Hope this Helps

4 0
2 years ago
the odds in favor of trudy beating her friend in a round of golf are 1:7 find the probability that trudy will lose
____ [38]
If 1 to 7 are the chances to win over friend then 6 out of 7 are the chances to lose.

Probably to lose = # of loosing chances/ # of possible outcomes = 6/7 ~ 0.86
3 0
3 years ago
What is the slope of a line that passes through points (8,4) and (5,3)
expeople1 [14]

Answer:

1/3

Step-by-step explanation:

We can find the slope of a line by using

m = (y2-y1)/(x2-x1)

   = (3-4)/(5-8)

   = -1/-3

   =1/3

7 0
3 years ago
Other questions:
  • Jorge lives 6/8 mile from school and 2/8 mile from a ballpark. How much farther does jorge live from school than from the ballpa
    14·2 answers
  • The area of circle b is 36 times greater than the area of circle
    6·1 answer
  • In Washington, D.C., Constitution Ave. meets Pennsylvania Ave. at a 25° angle. What is the measure of the complementary angle to
    14·1 answer
  • A container full of water weighs 15.5 lbs. When ¼ of the water is poured out, the container now weighs 12 ½ lbs. How much does t
    14·1 answer
  • Plz help me<br> WILL GIVE BRAINLIEST
    12·1 answer
  • -6 + 16 + 6 + (-16) =
    8·2 answers
  • A8=21 a10=27 find nth term arthemetic sequence
    10·1 answer
  • PLEASE HELP, PICTURE ATTACHED! ANSWER CHOICE!
    14·2 answers
  • Amir can deliver 748 newspapers in 6 hours. How many newspapers can Amir deliver in 8 hours? Round off to the nearest whole numb
    13·1 answer
  • I need help please can u please fill out AA aa Aa please i will give braneist
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!