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3 years ago

Select the conic section that represents the equation. x2 - y2 = 16

Mathematics

1 answer:

Mariana [72]3 years ago

8 0

$x^2-y^2=16$ represents a hyperbola.

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PLEASE HELP ASAP WILL MARK AS BRAINLYEST

Stolb23 [73]

Answer:

The answer is 40.

Step-by-step explanation:

4x5 for the square part.

2x10 for the rectangle part

add them

5 0

3 years ago

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NEED HELP ASAP PLEASE

Keith_Richards [23]

It’s the second answer
<1=58 <2=122 <3=58

7 0

3 years ago

A plane flying horizontally at an altitude of 3 mi and a speed of 440 mi/h passes directly over a radar station. find the rate a

Licemer1 [7]

The distance is increasing at a rate that is the speed of the plane multiplied by the cosine of the angle between its flight path and the direct line to the radar station. That cosine is 4/√(3²+4²) = 4/5, so the distance is increasing at
440 mi/h × 4/5 = 352 mi/h

8 0

2 years ago

Find the volume of the parallelepiped with adjacent edges t = 3j – 4j – 6k, u = 3i – 7j – 7k and v = 5i + j + 3k.

Assoli18 [71]

Answer:

94 cubic units

Step-by-step explanation:

The volume of this parallelepiped (the product of area of its base and height) is equal to the absolute value of the scalar triple product $|\vec{t}\cdot (\vec{u}\times \vec{v})|$

Since

$\vec{t}=3\vec{i}-4\vec{j}-6\vec{k}=(3,-4,-6)\\ \\\vec{u}=3\vec{i}-7\vec{j}-7\vec{k}=(3,-7,-7)\\ \\\vec{v}=5\vec{i}+\vec{j}+3\vec{k}=(5,1,3)$

we have

$|\vec{t}\cdot (\vec{u}\times \vec{v})|=\left|\left|\begin{array}{ccc}3&-4&-6\\3&-7&-7\\5&1&3\end{array}\right|\right|=|3\cdot (-7)\cdot 3+(-4)\cdot (-7)\cdot 5+3\cdot 1\cdot (-6)-5\cdot (-7)\cdot (-6)-3\cdot (-7)\cdot 1-3\cdot (-4)\cdot 3|=|-63+140-18-210+21+36|=|-94|=94\ un^3.$

4 0

2 years ago

What is the domain of the function below?

amm1812

$f(x)=\log(x-4)+4\\\\The\ domain:\\\\x-4 > 0\qquad\text{add 4 to both sides}\\\\x > 4\\\\Answer:\ \boxed{x > 4\to x\in(4,\ \infty)}\to\boxed{D.}$

8 0

2 years ago

Read 2 more answers