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3 years ago

Write the polynomial in standard form. then classify it by degree and number of terms.

Mathematics

1 answer:

AnnyKZ [126]3 years ago

4 0

Answer:

standard form: −3x³+5x+6

degree and number of terms.

The degree of a polynomial is the highest degree of its terms. 3

The leading term in a polynomial is the term with the highest degree.

−3x³

The leading coefficient of a polynomial is the coefficient of the leading term. −3

List the results.

Polynomial Degree: 3

Leading Term: −3x³

Leading Coefficient: −3

Step-by-step explanation:

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2.2,<br> Write the ratio 1 2/3: 2 2/3 in the simplest form.<br> ,

gulaghasi [49]

Answer:

1:2

Step-by-step explanation:

this would be the answer as 1 2/3: 2 2/3 are the same as 1:2 if you cancel out the 2/3 from both sides.

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3 years ago

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The diagram shows a sector of a circle radius 10cm. Find the perimeter of the sector, giving your answer correct to 1 decimal pl

qwelly [4]

<h2>Explanation:</h2><h2></h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Anyway, I'll help you either way. A sector is a region of a circle between two radii. Let's assume the sector as:

$s=25\pi cm^2$

Then, we can find the central angle by the following equation:

$s=\frac{\theta}{360}\times\pi r^{2} \\ \\ r=10cm \\ \\ s=25\pi cm^2 \\ \\ \\ So: \\ \\ \frac{25\pi(360)}{10^2\pi}=\theta \\ \\ \theta = 90^{\circ}$

But:

$90^{\circ}=\frac{\pi}{2}$

Then:

$C:Perimeter \ of \ sector \\ \\ \\ C=\theta r \\ \\ C=\frac{\pi}{2}(10) \\ \\ C=5\pi cm \approx \boxed{15.7cm}$

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4 years ago

What is 5x – 9 + 2x – 4 = 9.4

Vsevolod [243]

Simplifying
5x + -9 = 38

Reorder the terms:
-9 + 5x = 38

Solving
-9 + 5x = 38

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 5x = 38 + 9

Combine like terms: -9 + 9 = 0
0 + 5x = 38 + 9
5x = 38 + 9

Combine like terms: 38 + 9 = 47
5x = 47

Divide each side by '5'.
x = 9.4

Simplifying
x = 9.4

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