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
andreev551 [17]
2 years ago
9

What is the perimeter of a semicircle if the diameter is 2

Mathematics
2 answers:
Lelechka [254]2 years ago
5 0

Answer: π+2

Step-by-step explanation:

perimeter of a whole circle is

2πr

r = 1

2π

divide by 2 bc its a semicircle

2π/2 = π

π+diameter

π+2

e-lub [12.9K]2 years ago
4 0

Answer:

Step-by-step explanation:

d = 2

arc length of semicircle = ½×circumference = ½×πd = π

perimeter of semicircle = π + d = π+2

You might be interested in
A CD has a 5% chance of being a smash hit and profiting $5.2 million, a 50% chance of being a modest success and profiting $0.9
Zinaida [17]
The probability of profiting $5.2 million is 5% = 0.05

The probability of profiting $0.9 million is 50% = 0.5

The probability of breaking even, meaning no profit gain, is 45% = 0.45

Expected profit values of the CD is given by
(0.05×5.2) + (0.5×0.9) + (0.45×0) = 0.26+0.45+0 = 0.71 million

3 0
3 years ago
Find the missing number of each unit rate.<br><br> 20/4=?/1<br> 10/15=?/1
oksano4ka [1.4K]

Answer:

Step-by-step explanation:

divide 20 by four

20/4=5/1

now 10 and 15 can both be divided by 5 since 5 is the greatest common factor

10/15=2/3

7 0
2 years ago
Read 2 more answers
What is 12 divided by 1230 in long division
Bess [88]
It is 102.5. You made it kind of confusing at first by putting the divisor first in your question then putting your dividend, but I understand what you meant.
5 0
3 years ago
Read 2 more answers
Ricardo bought 3 pounds of red grapes, 4 pounds of green grapes, and 1 pound of black grapes. What is the ratio of green grapes
ivann1987 [24]

Answer:

4:3

Step-by-step explanation:

6 0
3 years ago
What is the formula to calculate the area of a square/rectangle
emmasim [6.3K]
Area of square/rectangle = length times width
4 0
3 years ago
Other questions:
  • What is twelve times six
    15·2 answers
  • A researcher wants to estimate the mean age of all Business Week readers at a 99% confidence level. The standard deviation of ag
    12·1 answer
  • Find the middle term of (<img src="https://tex.z-dn.net/?f=%28%20x%5E%7B2%7D%2B2%29%20%5E%7B20%7D%20%3Cbr%3E%0A" id="TexFormula1
    15·1 answer
  • A recipe for banana bread requires 3 cups of bananas for every 1 1/2 cups of sugar used.At this rate,how many cups of sugar shou
    5·1 answer
  • Product A is an 8 oz bottle of cough medication that sells for $1.36. Product B is a 16 oz bottle of cough medication that costs
    9·1 answer
  • A plane travels 240 miles on a bearing of N 10° E and then changes its course to N 67° E and travels another 180 miles. Find the
    9·1 answer
  • What is the value of the expression?<br><br> 75 ÷ 5 - [(9 - 7) x 3] x 2
    10·1 answer
  • Chris wrapped a present with the following dimensions: a length of 5 in, a width of 4 in and a height of 6 in. Henry wrapped a p
    13·2 answers
  • Beth is selling 14 cookies for $35, if she sells 20 cookies how much will she make?
    9·2 answers
  • What is the value of f(x) when x = -1<br> f(x) = 2* + 5
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!