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Andre45 [30]
3 years ago
15

Find the volume of a cone with a

Mathematics
1 answer:
kotegsom [21]3 years ago
7 0

Answer:

Step-by-step explanation:

Volume of a cone formula is

V=\frac{1}{3}\pi r^2h where r is radius and h is height. Filling in:

V=\frac{1}{3}(3.14)(10)^2(7) and doing all the math on that and rounding gives us

V = 733 units cubed

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The lines of symmetry in a regular polygon are equal to the number of sides minus 2. True or False
galina1969 [7]

Answer:

False

Step-by-step explanation:

A regular polygon may be defined as the polygon that have sides of equal length known as equilateral and angles made up of equal angles, known as equiangular.

The $\text{number of lines}$ of symmetry in a regular polygon is always equal to the number of sides of the polygon. For example, a regular pentagon have 5 sides, so the lines of symmetry of the regular pentagon is also 5, a square having 4 sides also has 4 lines of symmetry.

6 0
3 years ago
Simplify -3w-5(4x-4w)-4x<br>​
dem82 [27]

-3w-5(4x-4w)-4x

multiply the bracket by -5

(-5)(4x)=-20x

(-5)(-4w)=20w

-3w-20x+20w-4x

-3w+20w-20x-4x ( combine like terms)

answer:

17w-24x or -24x+17w

5 0
3 years ago
939miles * 15gallons / 40miles = x
pantera1 [17]

Answer: 281.7

Step-by-step explanation:

3 0
3 years ago
What percent of 62 is 58
Phantasy [73]
The answer exactly is 93.5% because 58 over 62 is 0.935 then multiply it by 100 and there's your answer!
3 0
3 years ago
Solve sin^2x+cos2x-1/4=0
sweet-ann [11.9K]
sin^{2}x + cos2x - \frac{1}{4} = 0
sin^{2}x + cos^{2}x - sin^{2}x = \frac{1}{4}
cos^{2}x = \frac{1}{4}
cos(x) = \pm \frac{1}{2}

x = \pm \frac{\pi}{3}
General solutions: x = \pi(n - \frac{1}{3}) and x = \pi(n + \frac{1}{3})
8 0
3 years ago
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