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3 years ago

The length of a field in yards is a function f( n ) of the the length in n feet. Write a function rule for this situation.

Mathematics

1 answer:

Phantasy [73]3 years ago

4 0

Answer:

$f(n)=\frac{1}{3}n$

Step-by-step explanation:

To convert from feet to yards, divide by the value 3.

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Hannah can paint a room in 16 hours. Destiny can paint the same room in 12 hours. How long does it take for both Hannah and Dest

PSYCHO15rus [73]

It would take both Hannah and destiny 28 hours to paint the room together

3 0

3 years ago

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Scott rented a truck for a day there was a base fee of $14.95 and there was an additional charge of $0.83 for each mile driven S

Mademuasel [1]

Answer:

288

Step-by-step explanation:

1. Subtract 14.95 from 253.99

2. Then you are going to divide 239.04 by 0.83

3. Your answer will be 288

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3 years ago

Given the graph, find an equation for the parabola.

Sauron [17]

Answer:

$\Large \boxed{\sf \bf \ \ y=\dfrac{1}{16}(a-3)^2-2 \ \ }$

Step-by-step explanation:

Hello, please consider the following.

When the parabola equation is like

$y=a(x-h)^2+k$

The vertex is the point (h,k) and the focus is the point (h, k+1/(4a))

As the vertex is (3,-2) we can say that h = 3 and k = -2.

We need to find a.

The focus is (3,2) so we can say.

$2=-2+\dfrac{1}{4a}\\\\\text{*** We add 2. ***}\\\\\dfrac{1}{4a}=2+2=4\\\\\text{*** We multiply by 4a. ***}\\\\16a=1\\\\\text{*** We divide by 16. ***}\\\\a=\dfrac{1}{16}$

So an equation for the parabola is.

$\large \boxed{\sf y=\dfrac{1}{16}(a-3)^2-2 }$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

4 0

3 years ago

Sin(13pi/2) in periodic function

Nataliya [291]

Answer: 1
13pi/2 can be simplified onto 6 pi/2, so it goes around the unit circle 6 times and left with pi/2. the coordinates of pi/2 is (0,1). the trigonometric function sin is y/r. since r is always 1 on the unit circle, the answer is the y value, in this case it is 1.

5 0

3 years ago

Check all that apply. π/6 is the reference angle for:

pogonyaev

Answer:

The correct is choice B.

Step-by-step explanation:

π/6 is an angle located in the first quadrant. Consequently, the equivalent angle for which it references should also be located in this same quadrant and is obtained by adding 2π to π/6 which becomes 13π/6

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3 years ago

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