3 years ago

One criticism of a stratified random sample is

Mathematics

1 answer:

Evgen [1.6K]3 years ago

4 0

No ffffffffffffffffffffffffffffffff

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What are the solutions to the system of equations, y=x+21 2x+y=57

kondaur [170]

Answer:

(12,33)

Step-by-step explanation:

This system can be solved using the substitution method. This is where you replace one variable by another.

Step 1:

Plug in $x+21$ for the y

Step 2:

Combine like terms

$2x+x+21=57\\3x+21=57$

Step 3:

Subtract 21 from both sides

$3x=36$

Step 4:

Divide both sides by 3

$x=12$

Step 5:

Use the first equation and plug in 12 for x

$y=12+21$

$y=33$

Step 6:

Proof of work

$2(12)+33=57\\24+33=57\\57=57$

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3 years ago

Does 2x=x+x just say yes or no please

ICE Princess25 [194]

Yes

Hope this helps!!!!

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3 years ago

Select the correct answer.

Fudgin [204]

A) an answer that cannot be written as a fraction.

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A 2-column table with 7 rows. The first column is labeled x with entries negative 4, negative 3, negative 2, negative 1, 0, 1, 2

Nutka1998 [239]

Answer:

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Step-by-step explanation:

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The number of people that play the TX lottery each day Discrete or continuous

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