3 years ago

can anyone help me with this? i know how to solve it I just dont know the reasons and statement definitions

Mathematics

1 answer:

MAVERICK [17]3 years ago

8 0

If you do a check (plug in your answer to y) that would be your reason

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Step-by-step explanation:

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dem82 [27]

Answer:

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3 years ago

What is the simplified form of the quantity x over 3 plus y over 4 all over the quantity x over 4 minus y over 3? the quantity 4

STatiana [176]

Answer:

Option A) $\frac{4x+3y}{3x-4y}$

Step-by-step explanation:

The given expression is:

$\frac{\frac{x}{3}+\frac{y}{4}}{\frac{x}{4}-\frac{y}{3}}$

Taking LCM in upper and lower fractions, we get:

$\frac{\frac{x}{3}+\frac{y}{4}}{\frac{x}{4}-\frac{y}{3}}\\\\ =\frac{\frac{4x+3y}{12}}{\frac{3x-4y}{12}}\\\\\text{Cancelling out the common factor 12, we get:}\\\\ =\frac{4x+3y}{3x-4y}$

Therefore, the option A gives the correct answer.

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3 years ago

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tatyana61 [14]

Answer:

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Step-by-step explanation:

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algol [13]

Answer:

so the first one is: representative sample

the second one: population

the third one: not a representative sample

Step-by-step explanation:

Goodluck

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