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katrin [286]
3 years ago
5

What is the volume of a cone with a radius of 18 cm and a height of 10 cm? Use 3.14 for pi. Round your answer to the nearest ten

th
Mathematics
2 answers:
Sphinxa [80]3 years ago
7 0
Based on the equation for the volume of a cone, the answer is 3,391.2
scZoUnD [109]3 years ago
3 0
3391.2 is the answer. The formula for a cone's volume is 1/3 bh, and the base would be 18*18=324, 324*3.14=1017.36. Then you multiply that by ten and divide it by three.
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The coefficient of the second term in the expansion of the binomial (4x+3y) to the 3rd power
kaheart [24]
You can solve this easily by using Pascal's Triangle (look that up if need be).

Here are the first four rows of P. Triangle:

                 1
           1           1
     1          2          1
1        3            3       1
 
 example:  expand (a+b)^3.
 
 Look at the 4th row.  Borrow and use those coefficients:
 
 1a^3 + 3 a^2b + 3ab^2  + b^3

Now expand (4x+3y)^3:

1(4x)^3 + 3(4x)^2(3y)  + 3(4x)*(3y)^2 + (3y)^3

Look at the 2nd term (above):

              3(4x)^2(3y)   can be re-written as 144x^2y.
 
The coeff of the 2nd term is 144.  Note that (4)^2 = 16    
3 0
2 years ago
What are the vertex and x-intercepts of the graph of the function given below?<br> y = x^2 - 2x - 48
Over [174]

Answer:

vertex: (1, -49)

x-intercepts: (-6, 0) and (8, 0)

Step-by-step explanation:

I graphed it and looked for the needed information

here's the graph if you want it:

3 0
2 years ago
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pls help mee I dont k ow this and if anyone is smort enough can you help me with the 9ther questions (5 i total my last redo)​
melisa1 [442]

Answer:

c

Step-by-step explanation:

I think that is the answer

7 0
2 years ago
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the height of angel falls, the tallest water fall in the world is 3212 feet write this in scientific notation
Andrews [41]

Answer:

3.212*10^3

Step-by-step explanation:

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3 0
3 years ago
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How do you solve this
mina [271]

Answer:

D. The m<4 is 137°

< 4 = 180 \degree  - 43 \degree \\  < 4 = 137 \degree

5 0
2 years ago
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