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3 years ago

X^3 - x^2 + x / x^3 + 1 simplified

Mathematics

1 answer:

Ad libitum [116K]3 years ago

8 0

I think it’s x+1x^3... not sure if this helps

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The volume (in cubic meters), v, of a rectangular room is given by the expression:

yan [13]

Answer:

7(b^2 -2)(b^2 +2)

Step-by-step explanation:

Factoring the common factor 7 from both terms, you get the difference of squares. That can also be factored.

v = 7(b^4 -4) = 7(b^2 -2)(b^2 +2)

The difference b^2-2 will have irrational factors, so does not meet the problem requirements. This is the factorization over integers.

8 0

3 years ago

If you can prove this i will mark you BRAINLIEST sin²Acot²A+cos²Atan²A=1

lubasha [3.4K]

Answer:

Step-by-step explanation:

cot = cos / sin

tan = sin / cos

=> sin²A × cos²A/sin²A + cos²A × sin²A/cos²

=> cos²A + sin²A

=> 1

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3 years ago

When a researcher asked 35 people if they liked a new brand of toilet paper; 22 said 'yes', 8 said 'no' and 5 were 'undecided'.

ella [17]

It is a 5 to 30 chance that you select someone who said undecided

5 0

3 years ago

Find the surface area of the triangular prism shown below. 64557

Setler79 [48]

Answer:you just have to mutlkplaye 5 and 12 like what’s nine plus ten 21

Step-by-step explanation:

6 0

3 years ago

What is the exact area and arc length of these sectors? Please helppp

Karolina [17]

Answers with step-by-step explanation:

1. Area of sector 1 = $\frac{90}{360} \times \pi \times 12^2 = 36\pi$

2. Area of sector 2 = $\frac{45}{360} \times \pi \times 19^2 = \frac{2527}{8} \pi$

3. Area of sector 3 = $\frac{270}{360} \times \pi \times 15^2 = \frac{675}{4} \pi$

4. Area of sector 4 = $\frac{270}{360} \times \pi \times 6^2 = 27 \pi$

5. Arc length of sector 1 = $\frac{90}{360} \times 2 \times \pi \times 12 = 6\pi$

6. Arc length of sector 2 = $\frac{315}{360} \times 2 \times \pi \times 19 = \frac{133}{4} \pi$

7. Arc length of sector 3 = $\frac{270}{360} \times 2 \times \pi \times 15 = \frac{45}{2}\pi$

8. Arc length of sector 4 = $\frac{270}{360} \times 2 \times \pi \times 6 = 9\pi$

4 0

3 years ago