3 years ago

What is 4x+3(2x-1) -4x? This is a combining like terms equation by the way.

Mathematics

1 answer:

aksik [14]3 years ago

3 0

4x+3(2x-1) -4x 3(2x-1)= 6x-3 -4x 4x+6x-4x= 6x-3

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What is the mean absolute deviation of the data set? 2, 2, 5, 6, 8, 4, 8, 5

DedPeter [7]

ANSWER

The mean absolute deviation is 1.75

EXPLANATION

The given date set is 2, 2, 5, 6, 8, 4, 8, 5

The mean is

$\bar X = \frac{2 + 2 + 5 + 6 + 8 + 4 + 8 + 6}{8} = 5$

The mean absolute value deviation is given by:

$=\frac{ \sum |x -\bar X| }{n}$

$= \frac{ | 2 - 5| + |2 - 5|+ |5- 5|+ |6 - 5|+ |8 - 5| + |4 - 5|+ |8- 5|+ |5 - 5| }{8}$

$= \frac{ 3 + 3+ 0+ 1+ 3 + 1+3+ 0}{8}$

$= \frac{14}{8}$

$= 1.75$

7 0

3 years ago

PLEASE HELPPPPP

natulia [17]

Take Saturdays total of $620 and subtract Fridays total of $460 to get $160. Divide that by the difference of the number of pies sold on Friday and Saturday to get $8. Take the $8 and multiply by number of pies sold on Friday (20) to get $160. Take that number and subtract it from the total sold on Friday ($460) to get $300. Divide that by how many cakes were sold on Friday (30) and get $10.
So therefore:

Pies - $8 each
Cakes - $10 each

6 0

3 years ago

What is another way to write this number? 300+70+ 5/10+8/100

Mademuasel [1]

Hi,
It would be 370.58

4 0

3 years ago

Read 2 more answers

4 days =____ hours ????????????????????????

Dominik [7]

4 days = 96 hours.......

5 0