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
inn [45]
3 years ago
13

Find the radius of a circle whose circumference is 31.4 centimeters. Approximate Π as 3.14.

Mathematics
2 answers:
AnnyKZ [126]3 years ago
4 0
Circumference is Diameter * 3.14

so D * 3.14 = 31.4

31.4 / 3.14 = 10 so the diameter is 10.

the radius is half of the diameter so radius = 5 centimeters.
Murljashka [212]3 years ago
3 0
(31.4/3.14)/2=5 because π=circumference/diameter
You might be interested in
Find the area. Simplify your answer.<br> X+4<br> 2x
sattari [20]

Answer:

x² +4x

Step-by-step explanation:

Area of triangle= ½ ×base ×height

Given: base= 2x, height= x +4

Area of triangle

= ½(2x)(x +4)

= x(x +4)

= x(x) +x(4) <em>(</em><em>expand)</em>

= x² +4x

7 0
2 years ago
Just one help please
Helga [31]
<em><u>Hello</u></em>
<em><u>A is correct</u></em>
<em><u>B is correct</u></em>
<em><u>C is correct
Good luck!
</u></em>
6 0
3 years ago
Simplify the expression.
Umnica [9.8K]

3(2y - 8) - 2y(5 - y)

= 6y - 24 - 10y + 2y^2

= 2y^2 - 4y - 24 Answer


6 0
3 years ago
What's the vertex of the following equation<br> x² - 6x + 5
igomit [66]

Answer:

Step-by-step explanation:

To find the vertex, change the following equation into graphing form (vertex form)

(x-3)^2-4 - graphing form

The vertex is (3,-4) because you find the x intercept by doing the opposite of -3, and -4 is in the equation.

vertex=

(3,-4)

7 0
3 years ago
A sporting goods store ordered new bikes and scooters.
laila [671]
Okie. i get it. you guys must like sports a lot 
4 0
3 years ago
Other questions:
  • One cell phone company offers a plan that costs $26.99 and includes unlimited night and weekend minutes. Another company offers
    12·1 answer
  • What is number 2 need help kinda confused
    6·1 answer
  • If 3x+7=x-1, then does x = -4?
    13·2 answers
  • Is the point (-3, 2) a solution of x - 5y &lt; 7? Explain how you know.
    9·1 answer
  • A rectangle has a length that is 5 inches greater than its width, and its area is 104 square inches. The equation (x + 5)x = 104
    13·2 answers
  • What is the y- intercept from the table​
    10·2 answers
  • Write an expressions that is equivalent to p + p − 12 <br><br> (help pls this is for a pop quiz-)
    9·1 answer
  • Really need help on this so please help as soon as you can thanks
    7·1 answer
  • <img src="https://tex.z-dn.net/?f=%5Csf%203x%2B44%3D50" id="TexFormula1" title="\sf 3x+44=50" alt="\sf 3x+44=50" align="absmiddl
    5·2 answers
  • If the sin 60° is<br> V3<br> then the cos blank equals blank
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!