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3 years ago

The Vanderworks spend $127.75 a year for a daily newspaper. They receive it 365 days a year. How much does one paper cost

Mathematics

1 answer:

Sloan [31]3 years ago

4 0

127.75 divided by 365 = .35 cents. hope this helps

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Find a polynomial function of degree 3 with real coefficients that has the given zeros. -1, 2, -8 The Polynomial function is f(x

lakkis [162]

The zeros are -8, -1, 2, so you can write the function as f(x)=(x-(-8))(x-(-1))(x-2)=(x+8)(x+1)(x-2).

Expand:
$(x+8)(x+1)(x-2)= \\
(x^2+x+8x+8)(x-2)= \\
(x^2+9x+8)(x-2)= \\
x^3-2x^2+9x^2-18x+8x-16= \\
x^3+7x^2-10x-16$

The function is f(x)=x³+7x²-10x-16.
The missing value is 7.

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3 years ago

How do you know if a given radical expression is a perfect cube?

Natali [406]

If the result of the radical expression is a natural (whole) number

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4 years ago

If two sides of one triangle are proportional to two sides of another and included angles are equal, then the triangles are simi

tiny-mole [99]

Yes the triangles are similar. It’s true

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3 years ago

The circle below is centered at (4, -1) and has a radius of 3. What is its

denis23 [38]

Answer:

Answers C and D are proably missing the y term. I'll assume they are:

C. (x-4)² + (y-1)² = 9

D. (x-4)² + (y-1)² = 3

A, is the equation that produces the drawn circle.

Step-by-step explanation:

See the attached image for explanation.

6 0

2 years ago

1. for what constant k must f(k) always equal the constant term of f(x) for any polynomial f(x) 2. If we multiply a polynomial b

DIA [1.3K]

Answer:

1. k=0

2. yes, result is still a polynomial.

3. yes, f and g must have the same degree to have deg(f+g) < deg(f) or deg(g)

Step-by-step explanation:

1. for what constant k must f(k) always equal the constant term of f(x) for any polynomial f(x)

for k=0 any polynomial f(x) will reduce f(k) to the constant term.

2. If we multiply a polynomial by a constant, is the result a polynomial?

Yes, If we multiply a polynomial by a constant, the result is always a polynomial.

3. if deg(f+g) is less than both deg f and deg g, then must f and g have the same degree?

Yes.

deg(f+g) < deg(f) and

deg(f+g) < deg(g)

then it means that the two leading terms cancel out, which can happen only if f and g have the same degree.

5 0

4 years ago