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3 years ago

Answer right with proof please.

Mathematics

2 answers:

Diano4ka-milaya [45]3 years ago

7 0

Answer:

the answer is a

Step-by-step explanation:

you times the 1/6 by 2 to get 2/12 then 3/4 by 3 to get 9/12 so all your fractions have the same denominator and the do the rest of the math with the new fractions and the same whole numbers that went with them. hope this helps

Sveta_85 [38]3 years ago

4 0

*:･ﾟ✧Hello There!!*:･ﾟ✧

The answer is below!!

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Step-by-step explanation:

(2 1/6 + 3 3/4) - 1 5/12 = 9/2 = 4 1/2.

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Answer:

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Step-by-step explanation:

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3 years ago

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15. JAGUARUNDI A jaguarundi springs from a fence post to swat at a low flying bird.

sukhopar [10]

Answer:

The discriminant, -14.71 < 0, shows that there is no solution of the equation, h = -16·t² + 22.3·t + 2, at the line 'h = 10' feet, therefore, the Jaguarundi height as she springs will not be up to 10 feet and therefore she will not reach the bird

Step-by-step explanation:

From the question, the equation that models the Jaguarundi's height, 'h', ma be written approximately as follows;

h = -16·t² + 22.3·t + 2

Where;

t = The time (duration) in seconds

The discriminant of the equation a·x² + b·x + c = 0 is b² - 4·a·c

When h = 10, we have;

10 = -16·t² + 22.3·t + 2

∴ 0 = -16·t² + 22.3·t + 2 - 10 = -16·t² + 22.3·t - 8

The discriminant of the given quadratic equation is given as follows;

The discriminant = 22.3² - 4 × (-16 × (-8)) = -14.71 < 0

Therefore, the function, h = -16·t² + 22.3·t + 2 has no real root at h = 10