3 years ago

What is the solution set for 4x - 3= 2x +5, given the replacement set {2, 3, 4, 5}?

Mathematics

1 answer:

Natalija [7]3 years ago

4 0

Answer:

the answer here is number 4

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If a 150 pound woman would receive 24 grams of a certain medicine. How many grams should a 120 pound woman receive?

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With a problem like this, set up a proportion (like when making lemonade from a mix).

$\frac{weight}{medicine} = \frac{weight}{medicine}$ is our proportion.

We fill in the the two weights and the 24 grams of medicine in the proportion and solve for the fourth piece not there.

$\frac{150}{24} =\frac{120}{M}$

We shorten medicine to M and we solve for M by cross multiplying.

$150M = 2880$

$M = \frac{2880}{150} = 19.2 grams$

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Answer:

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What is a+2 divided by 2 = -1?

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$\frac{a+2}{2}=-1\ \ \ /\cdot2\\\\2\cdot\frac{a+2}{2}=-1\cdot2\\\\a+2=-2\ \ \ /-2\\\\a+2-2=-2-2\\\\a=-4$

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3 years ago

What is the solution set for 4x - 3= 2x +5, given the replacement set {2, 3, 4, 5}?​

What is the solution set for 4x - 3= 2x +5, given the replacement set {2, 3, 4, 5}?