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mina [271]
3 years ago
6

A cone's height is equal to the radius of its base. The area of its base is 1,386 square units. The approximate radius of the co

ne's base is____ units. The approximate volume of the cone is ____cubic units. Use . Pie= 22/7
Mathematics
1 answer:
maxonik [38]3 years ago
4 0

Answer:

  • 21 units
  • 9702 units³

Step-by-step explanation:

The area of the base is given by the formula ...

  A = πr²

so the radius is ...

  r = √(A/π) = √(1386/(22/7)) = √441 = 21 . . . units

__

The volume is given by ...

  V = (1/3)Bh

where B is the area of the base, and h is the height (equal to the radius). Filling in the numbers, we have ...

  V = (1/3)(1386)(21) = 9702 . . . . cubic units

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Find the domain from the ordered pair {(1, 1), (2, 4), (3, 9), (4, 16)}
scoray [572]

Answer:

<h2>{ 1 , 2 , 3 , 4 }</h2>

Explanation:

<h3><u>Domain</u><u> </u><u>and</u><u> </u><u>Range:</u></h3>

Let R be a relation from A to B. Then the set of first components or the set of elements of A are called domain and the set of second components or the set of elements of B are called the range.

Hope this helps...

Good luck on your assignment..

5 0
2 years ago
I NEED HELP NOOOOOWWWW!!!!!!!!
In-s [12.5K]

Answer: 1590cm^3

Step-by-step explanation:

V=\frac{3\sqrt{3} }{2}a^2h

a = base

h = height

V=\frac{3\sqrt{3} }{2}(6cm)^2(17cm)

Solve the parentheses squared first.

V=\frac{3\sqrt{3} }{2}(36cm^2)(17cm)

2 and 36 can be simplied

2/2=1

36/2=18

V=3\sqrt{3}(18cm^2)(17cm)

V=3\sqrt{3}(306cm^3)\\ V=1590.02cm^3

Rounded to the nearest whole number... 1590cm^3

3 0
3 years ago
A parallelogram with four right angles? Which one is it??
Sliva [168]
Y is the answer for four right angles
8 0
2 years ago
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Is 152 points in 8 games<br> 171 points in 9 games equivalent
max2010maxim [7]

Answer:

Yes, they are equivalent.

3 0
3 years ago
Find a equation for the slope 3/2 and Y intercept -1
Mashcka [7]

Answer:

\large\boxed{y=\dfrac{3}{2}x-1}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em> - <em>y-intercept</em>

We have

m=\dfrac{3}{2},\ b=-1

Substitute:

y=\dfrac{3}{2}x+(-1)=\dfrac{3}{2}x-1

5 0
3 years ago
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