Answers Algebra III AMultiplying and Dividing Rational Expressions

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All of the following are true about eating prior to exercise EXCEPT:

eating can cause gastric pain during exercise

eating increases the amount of oxygen available during exercise

eating reduces the amount of fat burned during exercise

eating should be avoided within 2 hours of exercise

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Female gains in body fat starting around puberty can result in a cycle of diminished physical fitness.

What function do capillaries serve in the cardiovascular system?

carry blood to the brain

return blood to the lungs

help control body temperature

replace old blood cells

Why are slow-twitch muscles more beneficial than fast-twitch muscles for cardiorespiratory fitness?

Slow-twitch muscles are longer and thicker than fast-twitch muscles.

Slow-twitch muscles need less blood to contract than fast-twitch muscles.

Slow-twitch muscles need more recovery time between exercise sessions than fast-twitch muscles.

Slow-twitch muscles are able to use oxygen more efficiently than fast-twitch muscles.

Arteries carry oxygen-rich blood to capillaries. Please select the best answer from the choices provided.

What is the product of the rational expressions?

Option

Which of the following BEST describes what alveoli are?

They are the smallest tubes in the respiratory system.

They have a small amount of surface area.

They are found on the end of bronchioles.

They are comprised of millions of cells.

Which statements are true about Aimee’s and Theo’s work? Check all that apply.

Aimee simplified before she multiplied.

Theo’s product is correct.

Aimee divided out the factors 4 and x2 from 8x5 and 20x2.

Theo multiplied the numerators correctly but did not multiply the denominators correctly.

Multiplying rational expressions in different ways always results in different products.

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