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
rosijanka [135]
3 years ago
7

I need help with this question pls

Mathematics
2 answers:
Scilla [17]3 years ago
5 0

Answer:

A. would be a.

Step-by-step explanation:

andrew-mc [135]3 years ago
4 0

Answer:

a) D

b) 4.09 cm

Step-by-step explanation:

a) P of a circle is 22/7 D

Half a circle 1/2 22/7 D

D= 2r

1/2 22/7 2x (D)

b) Find Radius

P = (3.142 * (2r) )

25.71 = 3.142 *2r

r= 4.09 cm

You might be interested in
Solve for n.
nika2105 [10]

The answer shall be known as n=11

(☞゚ヮ゚)☞n = 11☜(゚ヮ゚☜)

6 0
3 years ago
Read 2 more answers
How far can a truck go in 2 hours if it travels 4 miles in 7 minutes
borishaifa [10]

Answer:

If i do the math correctly then 7 times 4 = 28, 28 times 2 = 56.

So 56 miles in 2 hours.

4 0
3 years ago
Find the area of the semicircle.
Wewaii [24]

Answer:

6.28

Step-by-step explanation:

6 0
3 years ago
Brett works at a local pet store. When he works 4 hours he earns $36. When he works 9 hours he earns $81. What is the rate per h
Kitty [74]

The answer is 9 Dollars per hour because 36 divided by 9 is 4 and 9 times 9 is 81.

4 0
3 years ago
Rewrite using a single positive exponent.<br><br> 7^9 x 7^-3
Elena L [17]
When you multiply you add the exponents, so 7^9*7^-3=7^6
8 0
3 years ago
Read 2 more answers
Other questions:
  • Determine the slope from the table
    5·1 answer
  • PLEASE HELP FAST!
    12·1 answer
  • Describe the continuity of the graphed function
    8·1 answer
  • 6th grade math, help me please.
    7·1 answer
  • Terry wants to cut a cube to create a triangle. How should he cut it?
    10·2 answers
  • What is 275 mm into cm show steps please
    14·2 answers
  • They took every thing from me<br> 0.0
    10·1 answer
  • Two similar
    6·1 answer
  • Hi please help me.. will give brainlest​
    13·2 answers
  • How is the sample space related to a probability model?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!