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11111nata11111 [884]
2 years ago
15

BRAINLIEST to wherever gets this correct ​

Mathematics
1 answer:
pochemuha2 years ago
6 0

Answer:

300π

Step-by-step explanation:

The only difference in the formulas to find volume of each is that the volume of a cone is 1/3πr² and the volume of a cylinder is just πr²

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PLZ HELP ASAP FEATURES OF A CIRLE FROM EXPANDED EQUATION
Lana71 [14]
First we need to convert the given equation to standard form, only then we can find the center and radius of the circle.

x^{2} + y^{2} +18x+14y+105=0 \\  \\ 
 x^{2} +18x+ y^{2}+14y=-105 \\  \\ 
 x^{2} +2(x)(9)+ y^{2}+2(y)(7)=-105 \\  \\ 
x^{2} +2(x)(9)+ 9^{2} + [y^{2}+2(y)(7)+7^{2}]  =-105+9^{2}+7^{2}  \\  \\ 
 (x+9)^{2}+ (y+7)^{2}=25  


The standard equation of circle is:

(x-a)^{2} + (y-b)^{2}= r^{2}

with center (a,b) and radius = r

Comparing our equation to above equation, we can write

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8 0
3 years ago
It’s question number 46 I need help on thanks
V125BC [204]

Answer:

18

Step-by-step explanation:

5 0
3 years ago
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Dave has a board that is
Naya [18.7K]

Answer:

The answer is 1 3/8 (B)

Step-by-step explanation:

3 1/4 - 1 7/8 = 1 3/8

4 0
2 years ago
Evaluate the principal square root of 64
anygoal [31]
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3 0
2 years ago
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There are 15 girls and 25 boys in a science club what percent of the members were girls
otez555 [7]
   15      /      40             =    .375
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.375 = 37.5%

15/40 as a fraction ---> simplify ---> 3/8
3 0
3 years ago
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