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
Ierofanga [76]
3 years ago
7

Work out the perimeter of a quarter-circle with radius 7cm.

Mathematics
2 answers:
Flura [38]3 years ago
7 0

Answer:

25

Step-by-step explanation:

p=1÷4pir+2r

1÷4×22÷7×7+2(7)

=11cm+14cm

=25

patriot [66]3 years ago
6 0

Answer:

3.5π cm²

Step-by-step explanation:

let P represent the perimeter of a circle with radius 7

P = 2×π×r

  = 2×π×7

  = 14π

the perimeter of a quarter-circle with radius 7 = P÷4

= 14π÷4

= 3.5π

You might be interested in
Immigration reform A news organization wants to know what percent of U.S. residents support a "pathway to citizenship" for peopl
harina [27]

Undercoverage might lead to bias in this study due to the risk of collecting data from a small number of people who feel strongly about the research study in this scenario.

<h3>What is Undercoverage bias?</h3>

This refers to a type of sampling bias which occurs when the research population aren't adequately represented in the study.

This type of sampling involves getting data from a selected few people who may have the same opinion or view about the study which doesn't depict the true representation of the population.

This makes the study to be biased which is why undercoverage is usually avoided when conducting a research.

Read more about Undercoverage bias here brainly.com/question/13294832

#SPJ1

5 0
1 year ago
Complete the sentence.<br> In the formula C=2r. C stands for
AleksAgata [21]

Answer:

Circumference

3 0
3 years ago
Read 2 more answers
What’s the answer ????
anzhelika [568]
The first one is the answe<span>r.</span>
5 0
3 years ago
Please answer these questions...
Sphinxa [80]

Answer:-18 and T=3+Y

Step-by-step explanation:

8 0
3 years ago
(20 points) Can someone explain to me how to multiply polynomials? Practice question: (y - 3) (y - 4)
kramer

Answer:

y² -7y+12

Step-by-step explanation:

first, you have to multiply each character on the first parenthesis to the second one, one by one. just like the picture attached.

then, combine all of the same variable. like the 2 variable that has y.

6 0
3 years ago
Other questions:
  • Use the given transformation to evaluate the integral. (10x + 10y) da r , where r is the parallelogram with vertices (−3, 12), (
    14·1 answer
  • A survey asked 247 students what their favorite subject was. Of those students, there were 115 boys. One hundred two students an
    9·1 answer
  • Sam used 1609 apps she canceled 805of them how much did she cancel by dividing
    8·1 answer
  • I do not see the mistake. Can someone please help me find it?
    12·1 answer
  • Simplify: 8 + 6x - 2 - 2x
    7·2 answers
  • Carlo attends art class every 4 weeks, chess club every 2 weeks, and fencing lessons every 3 weeks. If he attended all three thi
    15·2 answers
  • A Hummingbird moves its wings at a rate of 5520 wingsbeats a minute. Write this rate in wingbeats per second?
    5·2 answers
  • The equation y=3x+2 ?
    7·1 answer
  • A quadrilateral has angles
    14·2 answers
  • Roald's annual salary is $100 482. If Roald gets paid monthly, calculate his monthly income.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!