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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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If f(x)=3x-2 and g(x)=2x+1,find (f-g)(x) <br><br> A. x - 3<br> B. 5x - 3<br> C. 3 - x<br> D. 5x - 1
Nady [450]

Answer:

A

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

= 3x - 2 - (2x + 1)

= 3x - 2 - 2x - 1 ← collect like terms

= x - 3 → A

6 0
3 years ago
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slamgirl [31]
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4 0
2 years ago
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What is the estimated sum of 3 16/17 plus 6 1/5?<br> The estimated sum is
weeeeeb [17]

Answer:

The estimated sum is ≈10

Step-by-step explanation:

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6 0
3 years ago
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The area of a rectangle is 72 cm square. The length of the rectangle is 6 cm longer than the width. What is the width of the rec
miskamm [114]

The correct option will be :  B) 6 cm.

<u><em>Explanation</em></u>

Suppose, the width of the rectangle is x cm.

As, the length is 6 cm longer than the width, so the length will be: (x+6) cm.

<u>Formula for the Area of rectangle</u> is: (Length)*(Width)

Given that, the area of a rectangle is 72 cm²

So....

x(x+6)=72\\ \\ x^2+6x-72=0\\ \\ (x+12)(x-6)=0

Using zero-product property, we will get...

x+12=0\\ x= -12 <em>(Negative value is ignored as width can't be negative)</em>

and

x-6=0\\ x=6

So, the width of the rectangle is 6 cm.

6 0
3 years ago
Which of the following numbers would be in the solution set to this inequality? Mark all that apply. -2x + 16 ≤ 10
kenny6666 [7]
-2x + 16 < = 10
-2x < = 10 - 16
-2x < = - 6
x > = -6/-2
x > = 3............so any number that is 3 or above is in the solution set
4 0
3 years ago
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