3 years ago

$2/5lb find unit rate

Mathematics

1 answer:

shtirl [24]3 years ago

5 0

Answer:

1$/2.5lb

Step-by-step explanation:

This is a fraction equal to 5 pounds / 2 dollars

We want a unit rate where 1 is in the denominator, so we have to divide the top and bottom by 2.

5 pounds / 2

2 dollars / 2

This should progress to

2.5 pounds/a dollar

This means that the unit rate is 2.5 pounds per dollar.

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Determine is the solution set for the system of equations shown is the empty set contains one point or is infinite X+2y=0; 2x+4y

Sedaia [141]

We can use elimination to solve the system:

x+2y=0 Multiply the first equation by negative 2 so we can eliminate
2x+4y=0

-2-4y=0 Add them, -2X+2X= 0, -4Y+4Y= 0
2x+4y=0

0=0

Since 0 is indeed equal to 0 you have INFINITELY MANY SOLUTIONS.

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3 years ago

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seraphim [82]

Answer:

Step-by-step explanation:

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