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
Which expression is equivalent to 3y+4+y
Colt1911 [192]
The answer to this question is 4y+4
8 0
2 years ago
Which statement is always true? A.) The absolute value of an integer is equal to the opposite of the integer B.) a positive inte
Ahat [919]

Answer:

the absolute value of an integer is equation to the opposite of the integer

3 0
3 years ago
Read 2 more answers
I don't know how to explain it but please help!
Wittaler [7]

Answer:

required answer. is 1/x³

7 0
2 years ago
The functions f and g are defined by these sets if input and output values.
erastovalidia [21]
(x,y)
x=input
y=output
example
we see
g=(1,2)
theefor
g(1)=2


a.
f(4)=1
g(1)=2
g(f(4))=2

b.
g(-2)=4
f(4)=1
f(g(-2))=1

c.
f(3)=5
g(5)=5
f(5)=0
f(g(f(3)))=0
5 0
2 years ago
The length of a rectangular picture frame is 4 inches shorter than its width. If the perimeter of the picture frame is 44 inches
Vladimir [108]

Answer:

11

Step-by-step explanation:

44*4=44

4 0
2 years ago
Read 2 more answers
Other questions:
  • The ideal (daytime) noise-level for hospitals is 45 decibels with a standard deviation of 10 db; which is to say, this may not b
    8·1 answer
  • What is the product of One-half times 1 Over 8
    12·2 answers
  • How can i use doubles when multiplying with 4 to find 4x8?
    15·1 answer
  • You have been given the task of finding out what proportion of students that enroll in a local university actually complete thei
    5·1 answer
  • Which equation would shift the parabola down 3 units? A) y = x2 B) y = x2 - 3 C) y = x2 + 3 D) y = (x + 3)2
    8·2 answers
  • Omar has 2 3/4 cups of dough to make dumplings. If he use 3/16 cup of dough for each dumpling, how many whole dumplings can Omar
    12·1 answer
  • Solve x in the diagram below
    8·1 answer
  • Which is the simplified form of m-8pº?
    8·1 answer
  • The booster club now raises $0.41 for each pom pom they sell.
    10·2 answers
  • Y=x^4-x^3-5x^2-x-6<br> Show steps
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!