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Lina20 [59]
3 years ago
9

The diameter of this

Mathematics
1 answer:
o-na [289]3 years ago
8 0

Answer:

The number of coins to make 6440 mm diameter is 230

Step-by-step explanation:

The diameter of the coin is 28mm

Number of coins to have 6440 mm will be

6440/28

= 230

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I will give brainliest if correct
dalvyx [7]

Answer:supplementary

Step-by-step explanation:

Opposite angles in any quadrilateral inscribed in a circle are supplements of each other.

5 0
3 years ago
Which statements are true about the circle shown?
CaHeK987 [17]

Answer:

Among the five statements,statement 1 and 4 are true for the circle shown.

Step-by-step explanation:

Given:

An image is attached here.

A circle with radius = 15.4 m

We ave to find the diameter,circumference and relationship between the two.

Formula to be used:

⇒ Diameter of a circle = 2r        

⇒ Circumference = 2πr

Lets find the values.

  • Diameter = 2r=2(15.4) = 30.8 m
  • Circumference = 2\pi r =2(3.14)(15.4)=96.7 m
  • Relationship = \frac{circumference}{diameter} = \frac{96.7}{6} =3.1

We can say that a little more than 3 diameters could be wrapped around the circle.

From the drop down our choices are.

  • The diameter of the circle is 30.8 m.
  • The approximate circumference of the circle ,rounded to the nearest tenth is 96.7 m.

Option 1 and 4 are the right choices.

8 0
3 years ago
What is the volume of a square pyramid with a base length of 6cm and a height of 9cm?
emmainna [20.7K]
Answer:
Volume = 108 cm ³

Explanation:
For a square pyramid, the volume can be calculated as follows:
Volume = \frac{1}{3} * area of base * height
Volume = \frac{1}{3} * side² * height
We have:
side length = 6 cm
height = 9 cm
Therefore:
Volume = \frac{1}{3} * 36 * 9 = 108 cm ³

Hope this helps :)
8 0
3 years ago
I'm always forgetting how to do mean absolute deviation. Can someone remind me what the process is please?
viva [34]
I hope that helps. :)
3 0
2 years ago
Read 2 more answers
Quincy is going on a vacation to Australia. His flight leaves at 9:50 A.M. It takes 20 minutes to get to the airport, and Quincy
ikadub [295]

If it takes 20 minute to get to the airport, and he wants to be there an hour and 5 minutes before his flight leaves, we have to subtract the time he leaves (9:50) by 1 hour and 5.

9:50 - 1 hour and 5 minutes.

9:50 - 65 minutes.

9:50 - 65 = 8:45.

Which means he must be at the airport at 8:45.

BUT,

The question is asking for the latest time that Quincy can LEAVE for the airport, which means it's 8:45 - 20 minutes, since it takes 20 minutes to get to the airport:

8:45 - 20 = 8:25

4 0
3 years ago
Read 2 more answers
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