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
kari74 [83]
2 years ago
5

Find the area and the circumference of a circle with radius 3 cm.

Mathematics
1 answer:
pshichka [43]2 years ago
6 0

1. Observe problem

Solve for the area and Circumference of a circle who's radius is 3 cm

Area for circle formula:

pi*r^2=

9pi

I simplicity is needed, 9 pi is around

28.2743338823cm^2

Circumference for circle formula: 2*pi*r

which is

6pi

if simplicity is again needed, its around

18.8495559215cm

You might be interested in
What is the value of x in the equation 2(3/8x-1)=-3+1/2x
DedPeter [7]

Answer:

The answer is -4

Step-by-step explanation:

If you plug them in set equal to each other in a calculator it tells you please leave brainiest 5 star and thx i really appreciate it

5 0
3 years ago
Samantha is going on vacation for the summer and is trying to choose between two different plans. The first plan costs $450 for
ziro4ka [17]
Pretend the cost of the hotel is called "x" and the amusement park is "y"
make the equations.
450=3x+2y  and  700=5x+3y
since you're solving for amusement park, you basically just solve for y
multiply the first equation by 5 and the second equation by 3.
2250=15x+10y  and  2100=15x+9y
these are a system of equations so subtract one from the other to cancel the x values away.
150=y   so the answer is that a day trip to the amusement park costs $150
5 0
3 years ago
Solve 5(2^x+4)=15 round to the nearest thousandth
Novosadov [1.4K]

Answer:

Step-by-step explanation:

Begin by dividing by 5

2x + 4 = 3            

Is this written as 2^(x + 4) = 3? I think it is.

Take the log of both sides

log 2^(x + 4) = log(3)

(x + 4) * log(2) = log 3

log 2 = 0.30103

log 3 = 0.47712

(x + 4) = log2 / log3

x + 4 = 0.63093               Add 4 to both sides

x = -3.369                        Rounded to the nearest thousandth

====================

If you mean the question exactly as it is written (the 4 is not part of the power)

5(2^x + 4) = 15

2^x + 4 = 3

2^x = 3 - 4

2^x = - 1

This can't be done 2 to any power should be >0.

if x>0 then this will give an ever increasing number

if xK0 then this will give an ever decreasing answer but still greater than 0.

No value will make 2^x go to something minus.

If I have misread this in some way, leave a note and I will get back to you.

5 0
3 years ago
What is the slant height, s, of the triangular prism?
Rufina [12.5K]

Answer:

5.4

Explanation:

a²+b²=c²

2²+5²= 4+25

4+25=29

Now we have to square root the 29 which would make the answer 5.4

4 0
3 years ago
C) Write 2400 000 in standard form.
svp [43]

Answer:

2 400 000

Step-by-step explanation:

divide the numbers into 3

8 0
3 years ago
Read 2 more answers
Other questions:
  • 2 Points
    8·2 answers
  • What is the valeue of the2 in 3261 the 3 the 1?
    7·1 answer
  • Please answer correctly only
    8·1 answer
  • What is the equation of a line in slope intercept form that is parallel to y-4=2(x+3) that goes through (-1,2)
    15·1 answer
  • What is the rise of a graph if the slope is 7/-9
    11·1 answer
  • Hazel covered a box with felt. The dimensions of the box are shown in the figure below:
    10·1 answer
  • Just give me a RIGHT ANSWER please lol...
    5·1 answer
  • If each interior angle of a regular polygon is 168 °, then the number of sides of the polygon is ….
    15·2 answers
  • A student is trying to solve the system of two equations given below: equation p: y z = 6 equation q: 5y 9z = 1 which of these i
    9·1 answer
  • If m<0 and b>0,the graph of y=max+b does not pass through which quadrant
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!