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Wewaii [24]
3 years ago
8

It takes Maya 30 minutes to solve 5 logic puzzles, and it takes amy 28 minutes to solve 4 logic puzzles. use models, to show the

rate at which each student solves the puzzles, in minutes per puzzle?
if Maya and Amy had the same number of puzzles to solve, who would finish first? explain
Mathematics
2 answers:
nalin [4]3 years ago
7 0

Answer:

maya - 6 min per puzzle

amy - 7 min per puzzle

maya would finish first since her unit rate is smaller. for example, it takes maya 30 for 5 but it would take 35 for 5.

Step-by-step explanation:

Alina [70]3 years ago
3 0

Answer:

Step-by-step explanation:

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Write a quadratic equation with roots of 3/4 and -4
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A quadratic equation given roots is solved by using the relation

{x}^{2}  - (sum \: of \: roots)x + product \: of \: roots

from the question,

sum of the root will be

\frac{3}{4}  + ( - 4) =  \frac{3}{4}  - 4

=   \frac{3 - 16}{4}

=  \frac{ - 13}{4}

and also, product of the roots will

be

\frac{3}{4}  \times ( - 4) =  - 3

now substituting the sum of roots and product of roots into the equation

{x}^{2}  - ( -  \frac{13}{4} )x - 3

=  {x}^{2}  +  \frac{13}{4} x - 3

as the quadratic equation for the root 3/4 and -4

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Answer:

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Step-by-step explanation:

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