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
viva [34]
4 years ago
5

If π is rounded to a whole number, what is a reasonable estimate for the circumference of a circle with a diameter of 9 cm? 27 c

m 28 cm 30 cm 36 cm
Mathematics
2 answers:
a_sh-v [17]4 years ago
4 0
The estimate would be about 28 cm
Alexxx [7]4 years ago
3 0
Circumference of circle= 2*pi*r

You need to figure out the radius from the diameter. The radius is half of the diameter. Therefore, the radius in this problem is 4.5.

Since you are rounding pi to a whole number, 3.14 would be converted to 3. 

This is now the equation: 2*3*4.5

27 cm
You might be interested in
12.<br> 3<br> 5<br> -1 1<br> -2 0<br> 2<br> 4<br> Find the slope
irinina [24]
But for slope you only need 2 point (2 coordinates for each), please write only 2 points and I’ll help you
7 0
3 years ago
Read 2 more answers
A 26-foot long ladder is leaning against a building at a 60 degree angle with the ground.
Anvisha [2.4K]
A. 

csc is equal to the opposite divided by the hypotenuse. 
8 0
4 years ago
Read 2 more answers
Pam deposited $890 in a savings account, with three percent simple interest. How much interest will she earn in five years?
Assoli18 [71]
The answer is option 2. Pam will earn an interest of $133.50 from his savings account of $890 with an interest of 3%. Simple interest, also known as flat rate interest, is an interest to be paid or earned each year having a fixed percentage from a principal amount. <span>It is calculated as follows:</span>
$890 x .03 x 5 = $133.50
3 0
3 years ago
What is the volume of this?
dangina [55]

the volume is 2040 inches^3

3 0
3 years ago
I need help solving this and finding the angle.
hammer [34]

Answer:

x=6

Step-by-step explanation:

x=+1=7

    -1

x=6

3 0
3 years ago
Other questions:
  • Rewrite the expression in exponential form.
    12·1 answer
  • 2^-3/2^-5<br><br> A)2^2<br> B)1/2^2<br> C)2^8<br> D)1/2^8
    14·1 answer
  • Find three fractions whose product is -5/24.
    10·1 answer
  • Can you help me please?
    14·1 answer
  • The amount of money Karen will have in her savings account after 15 weeks can be determined using the expression below:
    14·1 answer
  • Dro Kita
    10·1 answer
  • Identify the slope of the line graphed below?
    8·1 answer
  • I have to find x for:<br> 7x − 2 = 3x + ​10<br> may I have help?
    5·2 answers
  • 50 POINTS!!! A side of the triangle below has been extended to form an exterior angle of 148°. Find the value of x.
    11·1 answer
  • The function g is defined by the following rule.<br> §(¢=3x+5<br> Complete the function table.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!