3 years ago

What is that value of (4-2)3-3x4

Mathematics

2 answers:

Over [174]3 years ago

4 0

Answer:

Step-by-step explanation:

Kay [80]3 years ago

3 0

Answer:

Step-by-step explanation:

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Mean absolute deviation of 75, 89, 145, 85, 80, 92, 104, 90, 100?

Mama L [17]

First, compute the mean: $m=\frac{75+89+145+85+80+92+104+90+100}9=\frac{860}9=95.555$

Next compute the absolute deviations for each datapoint:
|75-95.555|=20.555
|89-95.555|=6.555
|145-95.555|=49.445
|85-95.555|=10.555
|80-95.555|=15.555
|92-95.555|=3.555
|104-95.555|=8.445
|90-95.555|=5.555
|100-95.555|=4.445

Next we'll take the mean of these deviations: $\frac{20.555+6.555+49.445+10.555+15.555+3.555+8.445+5.555+4.445}9=\frac{124.665}9=13.8517$

The mean absolute deviation of your data is 13.8517

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3 years ago

There are 300 students in the 9th grade and each student is assigned a locker. The 300 students start down the hall one at a tim

ratelena [41]

Answer:

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289

Step-by-step explanation:

The pattern will lead to the answer being all the perfect squares from 1 to 300.

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3 years ago

In a certain class, 18/25 of the students got problem 10 wrong on Friday's math test.

tester [92]

Answer:

72% i think but I may be wrong

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3 years ago

Albert is traveling 40 mph in his car. After 3 hours, how far will he have traveled?

STALIN [3.7K]

Answer:

120 miles

Step-by-step explanation:

Albert travels 40 miles for each hour he drives (units = mph = miles per hour)

If he drives 3 hours at 40 miles per hour...

3 hours x 40 miles / hour = 120 miles

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2 years ago

Sandra calculated her taxable income as $39,250. She paid $6,000 in federal withholding tax. And you are single Your tax is If l

True [87]

Answer: 56

Step-by-step explanation:

6,000-5,944=

because 6,000 is how much she paid, but she only owed 5,944 so the the difference is what her refund is.

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4 years ago