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vitfil [10]
3 years ago
12

Please help me fast thx:)

Mathematics
1 answer:
Arlecino [84]3 years ago
8 0

Answer: Its d

Step-by-step explanation: the rival school has more of a variation if its avg deviation is larger.

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The radius of circle A is three feet less than twice the diameter of circle B. If the sun mmm of the diameters of both circles i
yanalaym [24]

Answer:

Area of Circle A = 1133.54

Circumference of Circle A= 119.32

Step-by-step explanation:

Given: Sum of both circle diameters= 49 feet.

           Circle A radius= Three feet less than twice the diameter of circle B.

Lets assume diameter of Circle B is "x"

∴ Circle A radius (r)= (2x-3)

We know, the diameter of circle is 2r

Diameter of Circle A is 2\times (2x-3)

Next as given sum of both circle diameter is 49 feet.

∴ 2(2x-3)+x= 49\ feet

distributing 2 with 2x and -3

⇒ 4x-6+x= 49

⇒5x-6= 49

Adding both side by 6

⇒5x=55

Cross multiplying both side.

⇒x=\frac{55}{5} = 11

∴ Diameter of circle B is 11 feet.

Next, subtituting the value of x to get the value of radius for Circle A.

Radius of circle A= (2x-3)

⇒ Radius of circle A= (2\times 11-3)= 22-3

∴ Radius of circle A= 19 feet.

Area of circle= \pi r^{2}

Taking π= 3.14

Area of circle A= 3.14\times 19^{2} = 3.14\times 361

∴ Area of circle A= 1133.54

Circumference of circle= 2πr

Circumference of Circle A= 2\times 3.14\times 19= 119.32

∴ Circumference of Circle A= 119.32

3 0
3 years ago
Read 2 more answers
Need some help on my precalculus homework
Pavlova-9 [17]

Answer:

#4 vertex form

and

vertex (h,k)

Step-by-step explanation:

vertex form

-2(x-3)^2+32

vertex

(h,k)

(3,32)

6 0
3 years ago
Supplementary angles measure _____ degrees?​
Oliga [24]

my answer

90°to 180°degrees

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I need help please
Dima020 [189]

It's either A or D.

6 0
3 years ago
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PLEASE ANSWER I WILL GIVE YOU BRAINIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
morpeh [17]

Answer:

C.

Step-by-step explanation:

y = 6x

if x = 1 , y = 6

if x = 2 , y = 12

if x = 3 , y = 18

if x = 4 , y = 24

4 0
2 years ago
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