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
alisha [4.7K]
4 years ago
9

WILL MARK BRAINLIEST

Mathematics
2 answers:
kicyunya [14]4 years ago
8 0

Answer:

66 cm

Step-by-step explanation:

Let's define the circumference first.

It is the boundary of any curved geometric figure specially circle.

We are given the diameter of the circle in the diagram

The diameter is:

d = 21 cm

to find the circumference, we have to find the radius of the circle first.

As radius is half of diameter

d = r/2

= 21/2

= 10.5 cm

The formula for circumference is:

C = 2\pi r\\Putting\ the\ values\\C = 2 * \frac{22}{7}*10.5\\ C = \frac{462}{7}\\ C= 66\ cm

The circumference is 66 cm ..

irakobra [83]4 years ago
3 0

Answer:

The circumference of the circle is 66 cm

You might be interested in
Can somebody please help me
shepuryov [24]

Answer: Let’s use the Pythagorean theorom!

A^2+B^2=C^2

10^2+B^2=15^2

100+B^2=225

B^2=125

Un square it

≈11.2 cm

5 0
3 years ago
Find x and y<br> Show all the work
vlada-n [284]

Answer:

x = 16

y = 116

Step-by-step explanation:

Given is a figure of isosceles trapezoid. One pair of opposite sides are parallel and non-parallel sides acts as it's transversals.

Therefore,

4x° + (6x + 20)° = 180° ( interior angles on the same side of transversal)

(6x + 20 + 4x)° = 180°

(10x + 20)° = 180°

10x + 20 = 180

10x = 180 - 20

10x = 160

x = 160/10

x = 16

Measure of base angles of an isosceles trapezoid are equal.

Therefore,

y° = (6x + 20)°

y = 6x + 20

y = 6*16 + 20

y = 96 + 20

y = 116

6 0
3 years ago
the foundation of a building is in the shape of a rectangle WITH THE LENGTH OF 20 METERS AND A WIDTH OF 18 METERS. TO THE NEARES
DerKrebs [107]

Answer:

Pythagoras theorem. 20^2 times 18^2 = distance^2

3 0
3 years ago
The sum of two numbers is 58. If there difference is 28, find both numbers
just olya [345]

Answer:

y = 15

x = 43

Step-by-step explanation:

this is giving us a system of equations because we know two things:

x + y = 58

x - y = 28

take the second equation and format it where you have simplified it for one variable:

x = 28 + y

(we did this by adding y to both sides)

now substitute this new value of x into the <em>first </em>equation:

28 + y + y = 58

simplify this to get 2y = 30

divide both sides by 2: y = 15

now substitute your new value of y into the <em>second </em>equation:

x = 28 + 15

x = 43

8 0
3 years ago
Help me plz i don't get it
Butoxors [25]
This is asking for x and y coordinates. for example, 1 ticket is $34, right? so on the x side, there is a 1, and on the y side theres a 34. the order pair would be (1, 34). then graph it. the equation would be y=34x. hope this helps!
6 0
4 years ago
Other questions:
  • A new energy drink advertises 252 calories for 15 ounces how many calories are in a 35 ounces of a drink
    7·1 answer
  • What is the decimal expansion of 7/22?
    10·2 answers
  • I need to graph -0.2x- 0.6y = 0.12
    7·2 answers
  • What is an equation of the line that passes through the points (3, 4) and (-4, -3)? Put your answer in fully reduced form.​
    10·1 answer
  • 8x⁶y⁵- 3x⁸y³ find the GCF of the given polynomial​
    13·1 answer
  • Help me please I will give brainly
    5·1 answer
  • Yea here is another q
    10·1 answer
  • How to multiply and add number subtracting them and equating them
    8·2 answers
  • Solve for x.<br> y = (5+x}m<br> Answer?
    15·1 answer
  • Luke is going to reflect point R(6, 10) over the y-axis what are the coordinates for R
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!