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malfutka [58]
3 years ago
7

A school district has a simple question: If students take their math classes in the morning instead of in the afternoon, will th

eir test scores improve?
In 20 words or fewer, describe what is being measured in this example and what variable is being manipulated or changed.
Mathematics
2 answers:
garri49 [273]3 years ago
8 0

Answer:

Yikes wish I could help

Step-by-step explanation:

Dovator [93]3 years ago
4 0

Answer:The students ability to perform better or worse is being measured.The time diffrence is being manipulated.

Step-by-step explanation:

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Find the first four terms of the recursive sequence defined by the following formula: an = an-1 4 where a4 = 2 1 4 , , , 2 1 4.
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The first four-term of the sequence is found by the given equation a_{n-1} = 4a_n is given as 144, 36, 9, and 9/4.

<h3>What is a sequence?</h3>

A sequence is a list of elements that have been ordered in a sequential manner, such that members come either before or after.

The given equation will be

\rm a_n = \dfrac{a_{n-1}}{4} \\\\a_{n-1} = 4a_n

And

a_4 = 2 \dfrac{1}{4} = \dfrac{9}{4}

For n = 4, we have

\rm a_{4-1} = 4a_4\\\\a_3 \ \ \  = 4*\dfrac{9}{4} \\\\ a_3 \ \ \ = 9

For n = 3, we have

\rm a_{3-1} = 4a_3\\\\a_2 \ \ \  = 4*9 \\\\ a_2 \ \ \ = 36

For n = 2, we have

\rm a_{2-1} = 4a_2\\\\a_1 \ \ \  = 4*36 \\\\ a_1 \ \ \ = 144

More about the sequence link is given below.

brainly.com/question/21961097

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2 years ago
The probability that an event will happen is 3/6. What is the probability the event won’t happen
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Answer:

3/6

Step-by-step explanation:

If the probability that it will happen is 3/6 or 1/2 the probability is the opposite. which is also 3/6 or 1/2.

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Try -×=4??? i just started to learn how to do variable expressions correctly bc i just transfered to an high accelerating school, but if I'm wrong w the answer im very sorry, as i am just now learning.
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Axis -b/2a=-12/2*3=-2
vertex(-2,-3)
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