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3 years ago

Which Contacts section results from the intersection of the plane and the double nap cone shown in the figure

Mathematics

1 answer:

attashe74 [19]3 years ago

8 0

Answer:

your choice is correct: hyperbola

Step-by-step explanation:

When the plane intersects both naps of the cone, the result is a hyperbola. When only a single nap is intersected (and the plane is parallel to the edge of the cone), the curve is a parabola. An ellipse or circle results when the plane crosses both edges of the cone on the same nap.

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3(s-4) > 4s-12 i got s>0 but im pretty sure thats incorrect so please help

Verizon [17]

Just gonna check your work...

3(s-4) > 4s -12
3s-12>4s-12
+12 +12
3s>4s
-3s -3s
0>s
s<0

So you are almost there, but the sign is in reverse.

6 0

3 years ago

Ken is 12years old. Renee is twice as old as Ken and One third as old as tara. How old is Tara

MatroZZZ [7]

Answer:

72 years old

Step-by-step explanation:

Renee: 12 x 2 = 24

Tara: 24 x 3 = 72

5 0

2 years ago

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Solve the inequality. Graph the solution.

Anna11 [10]

Answer:

Don't see it. Sorry.

Step-by-step explanation:

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3 years ago

What is the surface area of this right rectangular prism with dimensions of 8 inches by 4 inches by 14 inches?

lord [1]

Answer:

400

Step-by-step explanation:

The area of sides and add then up

6 0

2 years ago

Please help me with this math question. Thank you.

Natasha2012 [34]

Answer:

Step-by-step explanation:

We want to find the values of x such that:

$\displaystyle -x^2 + 7x + 5 = 0$

We can use the quadratic formula. Recall that:
$\displaystyle x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}$

In this case, a = -1, b = 7, and c = 5. Substitute and evaluate:
$\displaystyle \begin{aligned} x & = \frac{-(7)\pm\sqrt{(7)^2-4(-1)(5)}}{2(-1)}\\ \\ & = \frac{-7\pm\sqrt{49+20}}{-2} \\ \\ & = \frac{-7\pm\sqrt{69}}{-2}\end{aligned}$

In conclusion, the answer is D.

3 0

1 year ago

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