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Alex73 [517]
3 years ago
10

How do you find the radius of a circle using the circumference

Mathematics
1 answer:
Elanso [62]3 years ago
5 0

Answer:

r=C/2π

Step-by-step explanation:

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V125BC [204]
A. Is the attached image. The slope is 7.5x

b. 1 = 7.5x

x = 1.33333…

This is hours so we must multiply this by 60

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3 0
3 years ago
Help please!!! You are Miguel Cervantes de Navas y Colon, captain in the Royal Spanish Army in Sevilla in the year 1842
tiny-mole [99]

Answer:

There are 650 cannonballs


Step-by-step explanation:

If you look closely in the picture, you can see that:

  • 1st row has 1 ball
  • 2nd row has 4 balls
  • 3rd row has 9 balls
  • 4th row has 16 balls

etc. etc.

We can see that the number of balls is the square of the row number. There are a total of 12 rows. So, rest of the rows has:

  • 5th row has 25 balls
  • 6th row has 36 balls
  • 7th row has 49 balls
  • 8th row has 64 balls
  • 9th row has 81 balls
  • 10th row has 100 balls
  • 11th row has 121 balls
  • 12th row has 144 balls

If we add up all those, we get total number of balls:

1+4+9+16+25=36+49+64+81+100+121+144=650

There are 650 cannonballs



6 0
3 years ago
Read 2 more answers
X-26 over -9= 5 please help quick
nexus9112 [7]

Answer:

x = -19

Step-by-step explanation:

\frac{x-26}{-9}=5

Multiply both sides of the equation by -9.

\frac{\left(x-26\right)\left(-9\right)}{-9}=5\left(-9\right)

x - 26 = -45

Add 26 to both sides.

x - 26 + 26 = -45 + 26

x = -19

6 0
2 years ago
your friend says that the volume of a sphere with a radius r is four times the volume of a cone with radius r. when is this true
Ierofanga [76]
Volume of a sphere is given by the formula: V_{\circ}=\frac43\pi r^3

If we pull the 4 out front we have, V_{\circ}=4\left(\frac13\pi r^3\right).

Volume of a cone is given by the formula: V_{\triangle}=\frac{1}{3}\pi r^2\cdot h

Notice that if the height of the cone is equal to the radius, V_{\triangle}=\frac13\pi r^2\cdot r

then it's exactly what we see in our volume formula without the 4!
7 0
3 years ago
A survey asked 36 students to choose their favorite type of music from the choices of rock, pop, and country. The results of the
mina [271]

Answer:the answer is b

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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