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Andre45 [30]
2 years ago
11

What's the circumference of a

Mathematics
1 answer:
Vlada [557]2 years ago
5 0

Answer: C = 97.34 inches

Step-by-step explanation:

C = πd

= 3.14(31)

= 97.34

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Given the preimage and image, find the dilation scale factor​
77julia77 [94]

Given:

The preimage and image of a triangle in the given figure.

To find:

The dilation scale factor.

Solution:

From the given figure it is clear that the vertices of the triangle ABC are A(-2,-2), B(-1,2) and C(2,1).

The vertices of the triangle A'B'C' are A'(-4,-4), B'(-2,4) and C'(4,2).

If a figure is dilated by factor K with (0,0) as the center of dilation, then

(x,y)\to (kx,ky)

Let the scale factor be K, then the image of point A is:

A(-2,-2)\to A'(k(-2),k(-2))

A(-2,-2)\to A'(-2k,-2k)

From the given figure it is clear that the image of point A is A'(-4,-4).

A'(-2k,-2k)=A'(-4,-4)

On comparing both sides, we get

-2k=-4

k=\dfrac{-4}{-2}

k=2

Therefore, the dilation scale factor is 2.

8 0
3 years ago
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guapka [62]

Answer:

Step-by-step explanation:

1/2 * 8 * 15 * x=3360 c^3

x = 56 units

6 0
2 years ago
What is 19 +(11+37) then added 19 and 11 what is that
IrinaVladis [17]
97, 19+(11+37)=19+(48)=67 and then add 30 because of 19 and 11 and you get 97
7 0
3 years ago
You have 9 pieces of wood of different lengths that you are attempting to glue together that will have a length of exactly 10 in
Sauron [17]
The possible combinations are:
1,9
2,8
3,7
4,6
9,1
8,2
7,3
6,4

Total straws: 9
Probability of first being 1: 1/9
Probability of second being 9: 1/8
Probability of both: 1/9 x 1/8 = 1/72

This will be multiplied by 8 as there are 8 possible combinations:
8 x 1/72
= 8/72
= 1/9
8 0
3 years ago
Closest to the total area<br> Help due really soon
gizmo_the_mogwai [7]

Answer:

The area of the figure is 36.57.

Step-by-step explanation:

- find the area of the rectangle

6 x 4 = 24

- find area of the half circle

radius = 2

12.57

- add them up

24+12.75= 36.57

3 0
3 years ago
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