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2 years ago

How do you evaluate a polynomial function?

Mathematics

1 answer:

amm18122 years ago

4 0

Step-by-step explanation:

Replace each x in the expression/equation with the given value. Then use order of operations to simplify and solve. There are some great videos out there explaining the concept.

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The face of a clock has a circumference of 63 in. What is the area of the face of the clock?

ryzh [129]

Answer:

The area of the clock $= 315.41\ inch^{2}$

Step-by-step explanation:

We have been given the face of the clock that is $63\ in$

So that is also the circumference of the clock.

Since the clock is circular in shape.

So $2\pi(r)=63\ inch$

From here we will calculate the value of radius $(r)$ of the clock that is circular in shape.

Then $2\pi(r)=63\ inch =\frac{63}{2\pi} = 10.02\ in$

Now to find the area of the clock we will put this value of (r) in the equation of area of the circle.

Now $\pi (r)^{2}=\pi(10.02)^{2}=315.41\ in^{2}$

So the area of the face of the clock = $315.41\ in^{2}$

6 0

2 years ago

13/39 in simplest form

kifflom [539]

Answer:

1/3

Step-by-step explanation:

Find a number that goes into both the numerator and denominator, and divide, then you get 1/3

4 0

2 years ago

Evaluate the expression x^4+9x^2 when x=-3

aalyn [17]

Answer:

162

Step-by-step explanation:

Step 1: Define

x⁴ + 9x²

x = -3

Step 2: Substitute and Evaluate

(-3)⁴ + 9(-3)²

81 + 9(9)

81 + 81

162

6 0

2 years ago

Read 2 more answers

Solve x2 + 4x + 8 = 0. (2 points)

USPshnik [31]

Answer:

x=-4/3

Step-by-step explanation:

7 0

2 years ago

Javier earned the following scores on his first five tests: 77, 89, 84, 80, and 85. What score did he earn on his last test to h

Colt1911 [192]

You would have eto get an 89

3 0

2 years ago