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
Margarita [4]
2 years ago
8

Find the area and circumference of a circle which is 5cm​

Mathematics
2 answers:
Alekssandra [29.7K]2 years ago
7 0

Answer:

Area= 78.5 cm² (3 s.f.)

Circumference= 31.4 cm (3 s.f.)

Step-by-step explanation:

\boxed{area \: of \: circle = \pi {r}^{2} }

In this question, the radius is 5cm thus r= 5.

Area of circle

= π(5²)

= 25π

= 78.5 cm² (3 s.f.)

\boxed{circumference \: of \: circle = 2\pi r}

Circumference of the circle

= 2(π)(5)

= 10π

= 31.4 cm (3 s.f.)

Nonamiya [84]2 years ago
6 0

Answer: 31.416

Step-by-step explanation:

You might be interested in
HELP ME PLZ I NEED HELP
german

Answer:

A

Step-by-step explanation:

\frac{12}{a} = \frac{9}{b} => 12b = 9a

12 * 1.5 = 9 * 2

18 = 18

This option works

5 0
3 years ago
Prove how they are congruent. Geometry:SSS
Andrej [43]

The <em>additional information</em> needed to prove that both triangles are congruent by the SSS Congruence Theorem would be: <em>C. HJ ≅ LN</em>

<em>Recall:</em>

  • Based on the Side-Side-Side Congruence Theorem, (SSS), two triangles can be said to be congruent to each other if they have three pairs of congruent sides.

Thus, in the two triangles given, the two triangles has:

  • Two pairs of congruent sides - HI ≅ ML and IJ ≅ MN

Therefore, an <em>additional information</em> needed to prove that both triangles are congruent by the SSS Congruence Theorem would be: <em>C. HJ ≅ LN</em>

<em />

Learn more about SSS Congruence Theorem on:

brainly.com/question/4280133

5 0
2 years ago
Read 2 more answers
6,283.25 what place is the 2 in, in 283
Vaselesa [24]
Its in the hundreds column
8 0
2 years ago
For the equation 2(4+x)+(13+x)=3x+k which value of k will create an equation with no solutions. .A. x B. 3x .C 15 D. 21
Artist 52 [7]
<h3>Answer: choice C) 15</h3>

Simplify the left side to get

2(4+x)+(13+x)

2(4)+2(x) +13+x

8+2x+13+x

3x+21

------------

So the original equation

2(4+x)+(13+x) = 3x+k

turns into

3x+21 = 3x+k

------------

Subtract 3x from both sides

3x+21 = 3x+k

3x+21-3x = 3x+k-3x

21 = k

k = 21

-----------

If k = 21, then the original equation will have infinitely many solutions. This is because we will end up with 3x+21 on both sides, leading to 0 = 0 after getting everything to one side. This is a true equation no matter what x happens to be.

If k is some fixed number other than 21, then there will be no solutions. This equation is inconsistent (one side says one thing, the other side says something different). If k = 15, then

3x+21 = 3x+k

3x+21 = 3x+15

21 = 15 .... subtract 3x from both sides

The last equation is false, so there are no solutions here.

note: if you replace k with a variable term, then there will be exactly one solution.

6 0
3 years ago
Let y= 4t+2 be a linear function representing the distance from home for an ant t minutes after starting out fom a location near
bija089 [108]

The given equation is of the form y = m x + b where m is the slope and b is the y intercept that is value of y when x =0 , or we can say b is the initial value.

In the given equation which is y = 4t+2, on comparing we will get m =4 that is slope is 4 and here slope represents the rate or speed and 2 is the y intercept that is b. And 2 represents the initial position that is, the ant is 2 units from the home initially .

8 0
2 years ago
Read 2 more answers
Other questions:
  • Solve:
    5·2 answers
  • Can someone help me out please :)
    7·1 answer
  • What is the average of 3.28+6.90+5.30+12.00+4.77
    15·1 answer
  • What is the mean of the sum of positive single digit integers
    8·1 answer
  • A number x rounded to 1 significant figure is 40. What is the error interval for x.
    8·2 answers
  • 2.<br>2x2 + 2x - 112 factor​
    10·2 answers
  • PLZ HURRY WILL GIVE BRAINLIEST IF CORRECT
    6·2 answers
  • Find the probability that a number chosen at random from the integers between 5 and 16 inclusive is a multiple of 3 or a mutiple
    14·1 answer
  • What is the greatest common factor for 12 and 54? enter your answer in the box.
    7·2 answers
  • Solve the following equation
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!