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charle [14.2K]
3 years ago
11

A cone has a height of 7ft and a radius of 4 ft. Which equation can find the volume of the cone ON A TIMER WILL GIVE BRAINLY

Mathematics
1 answer:
Yuri [45]3 years ago
6 0
V=π x r2 x h/3 that’s the formula
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Solve 3x2+7x+1=0 using the quadratic formula.
NNADVOKAT [17]

Answer:

x=\frac{-7+-\sqrt{37} }{6}

Step-by-step explanation:

This (±) goes between the -7 and \sqrt{37}

3x^{2} +7x+1=0

ax^{2} +bx+c

-b ± \sqrt{b^2-4ac}/2a

-7 ± \sqrt{(7)^2-4(3)(1)}/2(3)

-7 ± \sqrt{49-12}/6

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3 years ago
Please show your work! I’ll mark you brainlist!
melamori03 [73]

Answer:

105 feet or inches^2

Step-by-step explanation:

First we find the surface area of the base, (or the square.)

That is 25.

Next we find the areas of the triangle which is: \frac{1} {2} base×height

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That is 80.

Finally, we add both surface area to find the total surface area.

That is 80 + 25 = 105

Hope that helped!

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3 years ago
I need help for this question I’m stuck
morpeh [17]

Answer:

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Step-by-step explanation:

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25 is your best answer

Step-by-step explanation:

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