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poizon [28]
3 years ago
12

Many experts have argued for the elimination of rote memorization as a method for learning mathematical facts such as basic oper

ations and properties. They believe that other instructional practices are more effective. What do you think? (anyone have knowledge about rote memorization)
Mathematics
1 answer:
N76 [4]3 years ago
5 0
I think they should keep it around, even if it might not be the most efficient strategy. After all, what if you need to solve a problem using multiple strategies?
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Please help me compute standard deviation! Here is the problem, as written.
aleksandr82 [10.1K]

Answer:

The standard deviation for the income of super shoppers is 76.12.

Step-by-step explanation:

The formula to compute the standard deviation for the grouped data probability distribution is:

\sigma=\sqrt{\sum [(x-\mu)^{2}\cdot P(x)]}

Here,

<em>x</em> = midpoints

\mu=\sum x\cdot P(x)

Consider the Excel table attached below.

The mean is:

\mu=\sum x\cdot P(x)=32.3

Compute the standard deviation as follows:

\sigma=\sqrt{\sum [(x-\mu)^{2}\cdot P(x)]}

   =\sqrt{259.71}\\\\=76.1155204\\\\\approx 76.12

Thus, the standard deviation for the income of super shoppers is 76.12.

3 0
3 years ago
Part B
Elanso [62]

Answer:

22 1/2

Step-by-step explanation:

2 1/4 x 10 = c

2 1/4 x 10 = 22.5

22.5 = 22 1/2

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3 years ago
What would you do if someone asked you why you wear glasses?
mihalych1998 [28]

Answer:

SAY THIS : oh finally i thought u were blind for a sec there

Step-by-step explanation:

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3 years ago
Brainliest + 60 points
Elenna [48]
It’s the last option

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3 years ago
The security alarm on a parked car goes off and produces a frequency of 951 hz. the speed of sound is 343 m/s. as you drive towa
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951hz divide by 343m/s = <span>2.77259475
times the answer by 99hz = </span><span>274.48688
to 1 d.p is 274.5m/s</span>
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3 years ago
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