3 years ago

What is the surface area of this cone if the diameter is 4 inches and the height is 6 inches

Mathematics

1 answer:

choli [55]3 years ago

4 0

Hope you understand
Its pretty simple once you have the formula

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3 years ago

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HELP!!!

san4es73 [151]

Choosing "r" things from a set of "n" can be done in this many ways:
combinations = n! / [r! * (n-r)!]
combinations = 7! / [3! * 4!]

combinations = 7 * 6 * 5 / 6
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Source:http://www.1728.org/combinat.htm

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4 years ago

The steps to derive the quadratic formula are shown below:

insens350 [35]

Answer:

$x^{2} +\frac{b}{a} x+(\frac{b}{2 a} )^{2} = \frac{-c}{a} + (\frac{b}{2 a}) ^{2}$

Step-by-step explanation:

Step(i):-

Given quadratic equation ax² + bx + c = 0

step(ii):-

ax² + bx = -c

Step(iii):-

Dividing 'a' on both sides , we get

$\frac{ax^{2} +bx }{a} = \frac{-c}{a}$

$x^{2} + \frac{bx}{a} = \frac{-c}{a}$

Step(iv):-

Adding $(\frac{b}{2 a} )^{2}$ on both sides , we get

$x^{2} +\frac{b}{a} x+(\frac{b}{2 a} )^{2} = \frac{-c}{a} + (\frac{b}{2 a}) ^{2}$

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4 years ago

What is the equation given a slope of 5 and a y-intercept of 12?

labwork [276]

Answer:

y= 5x +12

Step-by-step explanation:

y=mx+b is slope intercept form

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