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
svetlana [45]
3 years ago
8

Helppppppppp mmmmmmmeeeeeeeeeee

Mathematics
1 answer:
sergejj [24]3 years ago
5 0

Answer:

56.25 π cm^2

Step-by-step explanation:

The circumference of a circle is given by C = 2 π r

15 π = 2 π r

Divide each side by π

15 = 2r

Divide by 2

15/2 = 2r/2

7.5 = r

We want to find tha area

A = π r^2

A = π (7.5)^2

A = π 56.25

A = 56.25 π

You might be interested in
Complete the equation of the line through (-8,-2)(-4,6)<br> use exact numbers
Firdavs [7]

Answer:

y = 2x + 14

Step-by-step explanation:

Hope this helps!!!

First, you have to find the slope by using

In other words,

The slope is 2.

Then you plug the rest into point-slope form (you can use either of the points, I used the first one)

Remember that m is the slope.

Distribute the slope to the parenthesis

Isolate the y variable

6 0
3 years ago
What does chemical erosion do
matrenka [14]
It causes the breakdown and decay to the rocks. It occurs when the weather water is slightly acidic.
5 0
3 years ago
Hey I need help with this maths question
irinina [24]

Answer:

X=4

Step-by-step explanation:

2X - 10 = -2

2X = 8

X = 8/2

X = 4

Best regards

8 0
4 years ago
Read 2 more answers
Give each a sum or difference: <br> a. -12+4= <br> b. -4+1= <br> c. 4 - 12= <br> d. 4+12=
wlad13 [49]
A. -8
B. -3
C. -8
D. 16
6 0
3 years ago
I have all c's and b's but why do people keep making fun of me like I'm trying :( I just wanna k*ll my self why DOES SCHOOL HAVE
Arisa [49]
I feel like this too sometimes :(( it’s so tuff. i’m even one of the smarter people too and it just seems like there’s no end, but try to talk with your parents. tell them about this. it might not go well at first, but maybe they’ll understand eventually
4 0
3 years ago
Read 2 more answers
Other questions:
  • Dr. Oguz counted the number of cubs in 10 tiger cub litters and then arranged the numbers from smallest to largest. The numbers
    5·1 answer
  • What is Perfect squares?
    15·2 answers
  • What does it equal??​
    7·1 answer
  • You need both longitude and latitude to find the exact location on a map. Longitude lines/latitude lines. Are lines that run nor
    8·2 answers
  • It takes Kendra 27 minutes to run 3 miles. A)write a ratio to represent kendras running rate in minute per mile b) write kendras
    13·1 answer
  • Answer each part. If necessary, round your answers to the nearest hundredth.
    11·1 answer
  • The table shows elevations at various locations.
    10·2 answers
  • Hi can you solve this problem for me 6<br><br> 6x + 2y = 34 <br> 2x - 7y = -27
    8·1 answer
  • The volume of a cylinder of height 8 cm is 72π cm3 Find the radius of the cylinder.
    11·1 answer
  • 3x + 3 = 6 + 6. solve for x
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!