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attashe74 [19]
3 years ago
15

The cone shown has a radius of 5 inches and a slant height of 8 inches rounded into the nearest whole number what is the total s

urface area use 3.14 to approximate pie
Mathematics
1 answer:
svlad2 [7]3 years ago
5 0
The formula to find the surface area is 3.14(radius)(slant) + 3.14 (radius squared). So the equation would be (3.14)(5)(8)+(3.14)(5^2) for your answer you should get 204 square inches. Hope that helped!
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Which expression is equivalent to g−m ÷ gn?  g−m + n<br> g−m ⋅ n <br> g−m − n<br> g−m ÷ n
Sauron [17]
<h2>Answer:</h2>

The expression that is equivalent to the given expression is:

                       g^{-m-n}

<h2>Step-by-step explanation:</h2>

Two expression are said to be equivalent if by some simplification i.e. by some multiplication or division it could be represented in the same manner.

Here we are given a expression as:

                    g^{-m} ÷ g^n i.e.

             \dfrac{g^{-m}}{g^n}

We know that:

\dfrac{a^m}{a^n}=a^{m-n}

                 Hence, we get:

\dfrac{g^{-m}}{g^n}=g^{-m-n}

4 0
3 years ago
Read 2 more answers
Find an equation for the ellipse that satisfies the given conditions.
svetoff [14.1K]

Answer: (x^2)/25 + (16y^2)/375) = 1

Step-by-step explanation:

since foci are symetrically located on x-axis about origin, the equation of the ellipse must be of the following form:

  (x^2)/(a^2) + (y^2)/(b^2) = 1, where a = semi-major axis, and b = semi-minor axis,

and:  e = eccentricity = sqrt(a^2 - b^2)/a = 0.25;  foci located at (+/- sqrt(a^2 - b^2),0) = (+/- 1.25,0)

---> sqrt(a^2 - b^2) = 1.25 ---> 1.25/a = 0.25 ---> a = 1.25/0.25  ---> a = 5; and sqrt(a^2 - b^2) = 1.25 = 5/4

---> a^2 - b^2 = (5/4)^2 = 25/16;  or 5^2 - b^2 = 25/16 ---> 25 - b^2 = 25/16;  

---> b^2 = 25 - (25/16) = 25[1 - 1/16] = 25(15)/16 = 375/16

---> (x^2)/25 + (y^2)/(375/16) = 1 ---> (x^2)/25 + (16y^2)/375) = 1

Hope this help...and correct it's been awhile..Let me know

4 0
3 years ago
Which formula can be used to find the nth term of a geometric sequence where the fifth term is 1/16 and the common ratio is 1/4?
ale4655 [162]
Any geometric sequence can be expressed as:

a(n)=ar^(n-1), a=initial term, r=common ratio, n=term number

We are given that a(5)=1/16 and r=1/4 so we can say:

1/16=a(1/4)^(5-1)

1/16=a(1/4)^4

1/16=a/256

256/16=a

16=a

So the initial term is 16 so our formula is:

a(n)=16(1/4)^(n-1)


3 0
3 years ago
Read 2 more answers
What is the median of 98, 93, 89, 89, 76
Alex777 [14]
Put all of the numbers in order from least to greatest. 76, 89, 89, 93, 98. The number in the middle of this list is the median. The mediuan is 89.
3 0
3 years ago
F(x)= 9x + 2 over 3X^2+5x-12
Maurinko [17]
Here the only limitation on the domain exists when the denominator is equal to zero, as division by zero has no meaning and is not "allowed" because of its meaninglessness. :)

Factor the denominator to find the excluded values of x...

3x^2+5x-12

3x^2+9x-4x-12

3x(x+3)-4(x+3)

(3x-4)(x+3)

So x CANNOT equal 4/3 or -3 (all other real values of x are part of the domain) so the domain is:

x=(-oo, -3),(-3, 4/3),(4/3, +oo)
4 0
3 years ago
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