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
notsponge [240]
3 years ago
9

What is the area of the semi circle of 12

Mathematics
2 answers:
finlep [7]3 years ago
5 0

Answer:56.57

Step-by-step explanation:

πr2

2

=

22

7

⋅(6)2

2

=56.57

Bond [772]3 years ago
4 0

Answer:

Hi there!

The correct answer to this question is: 56.55

Step-by-step explanation:

A semicircle is another way of saying half a circle, if we know the area of a circle is A= π * r^2   then all we have to do is take this equation and divide it by  two to get the area of a semicircle. Additionally since we are given the diameter we need to divide that by 2 to get the radius which is six.

Now we can plug all the components into the equation: A= (1/2)(π)(6^2)

you get 56.55

You might be interested in
What is the equation of the polynomial function?
dolphi86 [110]

Answer:

f(x) = (1/2)(x-2)^2(x+1)(x+2)

Step-by-step explanation:

You can determine this by looking at the zeroes of the graph. For any zero that goes through the x-axis, the power of that zero is odd. For any zero that that "bounces" from the x-axis, the power of that zero is even.

Starting from left to right, we can see that the first zero, -2, goes through the x-axis. That means (x+2) is raised to an odd power. The second zero, -1, also goes through, so (x+1) is raised to an odd power. The last zero, 2, bounces off the x-axis, so (x-2) is raised to an even power. The only functions that satisfy this criteria are function 1 and 2.

However, we are not done yet. We need to figure out which multiplier value (1/2, 1/4) is correct. To do this, we plug in 0 for x, since we know that the y-intercept is 4. When we plug in 0, we see that f(0) = 4 for the first function. Therefore, the first function is the answer.

If you would like more tutoring in math or other subjects for FREE, check out growthinyouth.org.

7 0
3 years ago
Solve the following system. y = x 2 - 9x + 10 and x + y + 5 = 0. Enter the solution with the smaller x value first.
pochemuha
X+y+5=0
y=-x-5
If a solution exists y=y so we can say
x^2-9x+10=-x-5  add x+5 to both sides
x^2-8x+15=0 now factor
x^2-3x-5x+15=0
x(x-3)-5(x-3)
(x-5)(x-3) so x=3 and 5, using y=-x-5
y(3)=-8 and y(5)=-10
So the two solutions are:
(3,-8) and (5,-10)

7 0
3 years ago
Read 2 more answers
I'm giving branliest 2X - 3y = 12 in a standard and point slope form ​
iogann1982 [59]
In slope intercept form it is y=2/3x-4
In point slope form it is 2/3x-y-4 :)
5 0
3 years ago
ABC IS a right angled triangle at B and D is a point on BC. If AD=18cm , BD=9cm and CD = 4 cm, find AC
madam [21]
AC=22.2 because 18^2+13^2=x^2
8 0
3 years ago
Read 2 more answers
50 points decreased by 26%
RoseWind [281]
Get the decimal version of 26% by moving the decimal (at the end) over to spots, giving you .26. Multiply 50 by this, and you get .26*50=13. : )
6 0
3 years ago
Read 2 more answers
Other questions:
  • "the sum of the digits of a two-digit number is 13. reversing the digits produces a number that is 9 less than the original numb
    15·1 answer
  • Thai noticed that if he takes the opposite of his age and adds 40 he gets the number 28 how old is Thai
    14·2 answers
  • Please help I have a test tomorrow and I really need to study the pic is on top
    8·2 answers
  • 17. A bottlenose dolphin jumps out of the water. The path the dolphin Travels can be
    15·1 answer
  • Which is the best estimate for the percentage of the attendance at Yamabushi Club being women? HHHHHHHHHEEEEEEEEEEEEEELLLLLLLLLP
    15·1 answer
  • Write the expression as a single natural logarithm.<br> 2 ln m + 9 ln n=in?
    9·1 answer
  • Show the work about the problem
    8·1 answer
  • lX – 12.2l= 0.3 gives the minimum and maximum acceptable lengths of the wires in centimeters. What is the minimum acceptable len
    14·1 answer
  • A man's taxable income is $20 000 . he pays tax at the rate of 28% what is the amount of income tax he pays​
    15·1 answer
  • What do rhombuses always have
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!