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2 years ago

11

A teacher asks students to list the math lessons they learned on nine random school days in the past month. She evaluates the st

udents’ performance on this assignment to get a general picture of how well students are taking notes. This teacher’s method is an example of.

1 answer:

zysi [14]2 years ago

5 0

Answer:

Simple random sampling

Step-by-step explanation:

Hope this work :)

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7n-(4n-3) combining like terms with negative coefficient and distribution

sladkih [1.3K]

$\huge\text{Hey there!}$

$\huge\textbf{Equation/Question:}$

$\mathbf{7n - (4n - 3)}$

$\huge\textbf{Convert equation/question to:}$

$\mathbf{= 7n - 1(4n - 3)}$

$\huge\textbf{Solving the equation/question:}$

$\mathbf{= 7n - 1(4n) - 1(-3)}$

$\mathbf{= 7n - 4n + 3}$

$\huge\textbf{Combine the like terms:}$

$\mathbf{= (7n - 4n) + 3}$

$\mathbf{= 7n - 4n + 3}$

$\mathbf{= 3n + 3}$

$\huge\textbf{Therefore, your answer should be:}$

$\huge\boxed{\frak{3n + 3}}\huge\checkmark$

$\huge\text{Good luck on your assignment \& enjoy your day!}$

<h3>~ $\frak{Amphitrite1040:)}$ </h3>

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1 year ago

Use the distributive property to expand (simplify): <br>11(12x - 10xy)

Levart [38]

Answer:

132x-110xy

Step-by-step explanation:

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2 years ago

Sasha wants to buy some dresses over the Internet. Each dress costs $7.15 and has a shipping cost of $9.95 per order. If Sasha w

sveticcg [70]

7.15
x 9.95
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2 years ago

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Which two numbers add up to 10 and multiply to -24? can you help me with this?

vesna_86 [32]

Answer:

12, and -2

Step-by-step explanation:

12 + (-2) = 10

12 * (-2) = -24

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2 years ago

When humans urbanize an area, what other impact will they end up having as well?

oksano4ka [1.4K]

Answer: When humans urbanize an area they

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