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3 years ago

which equation is a function of x ? A. x=5 B. x=y squared +9 C. x squared=y D. x squared=y squared +16

Mathematics

2 answers:

ASHA 777 [7]3 years ago

4 0

Answer:

I think it is C

Hope this Helps!

lara [203]3 years ago

3 0

Answer:

I am pretty sure it is C: x squared equals y.

Step-by-step explanation:

The phrase "function of x" means that y depends on the value of x.

The only option where I think this is the case is C.

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3 years ago

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The blue segment below is a diameter of O. What is the length of the radius of the circle?

nexus9112 [7]

Answer: Option D :3.85 units.

Step-by-step explanation: Diameter is the longest chord of any circle . It is a straight line passing through the center of the circle and touches the circle at two points. Radius is a line drawn from the center of circle to the circumference. Radius is half of diameter.In the given figure the blue line is diameter .The diameter is the blue line which equals 7.7 units.Radius is half of diameter .Radius = 7.7÷2=3.85 units.

Option D is the right answer.

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3 years ago

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Factor the GCF: 21x3y4 + 15x2y2 − 12xy3.

-Dominant- [34]

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21x^3y^4 + 15x^2y^2 - 12xy^3

3xy^2 (7x^2y^2 + 5x - 4y)

Clearing up clutter...

3xy² (7x²y² + 5x - 4y)

That's your answer. Thanks for working my brain. ;)

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3 years ago

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A right triangle ABC is shown. Leg AC has length 18, leg BC has length 24, and hypotenuse AB has length 30. Find the exact value

Tresset [83]

Although there i no triangle given as the question requires, I am still going to answer because I understand it.

ABC is a right angled triangle. The triangle is 90° at C.

The trigonometric ratio sine is given by, sine = opposite/hypotenuse .
Cosine = adjacent/hypotenuse

So therefore, Sin A = 24/30
= 4/5

Cos A = 18/30
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Find parametric equations through point P=(2,2,7) in the direction of the vector v = (44, 14, -20)?

ycow [4]

9514 1404 393

Answer:

(x, y, z) = (2+44t, 2+14t, 7-20t)

Step-by-step explanation:

One way to write parametric equations for line L is ...

L = P + t·<em>v</em>

where P is the given point and <em>v</em> is the given direction vector. Using that form, we have ...

(x, y, z) = (2+44t, 2+14t, 7-20t)

If you like, you can remove a common factor of 2 from the coefficients of t.

(x, y, z) = (2+22t, 2+7t, 7-10t)

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