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3 years ago

Simplify this complex fraction

Mathematics

1 answer:

Charra [1.4K]3 years ago

7 0

Answer:

2/ 21

Step-by-step explanation:

2/3 ÷ 7

Copy dot flip

2/3 * 1/7

2/ 21

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How do you convert the angle 11(pie)/12 from radians to degrees?

sergey [27]

Answer:

165°

Step-by-step explanation:

11π/12 * 180/π = 1980π/12π

Reduce & Cancel: 165°

4 0

3 years ago

2 Points

DochEvi [55]

Answer:

Step-by-step explanation:

f(x) = 2x^2 – 3x + 1 is a function (its graph is a parabola that opens up), and it is one-to-one (Answer A). For each input, x, this function will return one output.

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3 years ago

What is the sum of the polynomials?

Nadya [2.5K]

For this case we have the following polynomials:

$-x ^ 2 + 9\\-3x ^ 2 - 11x + 4$

Adding the polynomials we have:

$(-x ^ 2 + 9) + (-3x ^ 2 - 11x + 4)$

Rewriting we have:

$x ^ 2 (-1-3) - 11x + (9 + 4)$

Therefore, the result of the sum is:

$-4x ^ 2 - 11x + 13$

Answer:

the sum of the polynomials is:

$-4x ^ 2 - 11x + 13$

option 2

6 0

2 years ago

Read 2 more answers

Which is the domain of the function shown in the mapping

erastova [34]

The domain is the x-values of a function, which are also known as the input. When writing down the domain, you write the numbers from least to greatest. Therefore, the correct answer is A.

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3 years ago

Select the point that is a solution to the system of inequalities. Yx^2-4?

ziro4ka [17]

Answer:

C (1,2)

Step-by-step explanation:

The point that is a solution must satisfy both inequalities;

The inequalities are;

$y\:$