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3 years ago

When a result from a simple is extended to the population

Mathematics

1 answer:

hjlf3 years ago

6 0

Answer:

You can opt to study the entire population when the population is well defined(Complete sampling frame) and small.

It can eliminate any potential bias occurring through sampling technique, but other than that it is really not justified to consume more resources and time.

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Carlos is using a number line to add another integer to –4. He begins by showing –4 on the number line, as shown below. Carlos a

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The integer is 3 or less than 3.

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2 years ago

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Solve the simultaneous equations using elimination method. 4x – 3y = 1 x + 3y =

babymother [125]

Answer:

$x=\frac{1}{5}$

$y = -\frac{1}{15}$

Step-by-step explanation:

4x - 3y = 1

x + 3y = 0

Req To Solve With Elimination:

Make Them Equal:

-> 4x - 3y = 1

-> 4x + 4 . 3y = 0

Simplify:

-> 4x - 3y = 1

-> 4x + 12y = 0

-> 4x - 4x - 3y - 12y = 1

-> -3y - 12y = 1

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-> $x+3(-\frac{1}{15} )=0$

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-> $x=\frac{1}{5}$

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3 years ago

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Write an algebraic expression represent the relationship five less than seven times a number is 54

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3 years ago

Find x and y. Please help, I will give brainiest answer.

Inessa05 [86]

Answer:

x = 3 and y = 2

x = 1.25 and y = 1.75

Step-by-step explanation:

Part 1:

See the diagram first.

If the two arrow lines are parallel then, the two triangles are similar.

So, the corresponding sides of the triangles are proportional.

So, $\frac{3}{1.5} = \frac{6}{x} = \frac{4}{y}$

Hence, x = 3 and y = 2 (Answer)

Part 2:

See the diagram first.

If the two arrow lines are parallel then, the two triangles are similar.

So, the corresponding sides of the triangles are proportional.

So, $\frac{10}{8} = \frac{x + 5}{5} = \frac{y + 7}{7}$

⇒ $x + 5 = \frac{50}{8} =6.25$

⇒ x = 1.25

Again, $y + 7 = \frac{70}{8} =8.75$

⇒ y = 1.75

Hence, x = 1.25 and y = 1.75 (Answer)

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3 years ago