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3 years ago

13

Mean absolute deviation

2 answers:

mrs_skeptik [129]3 years ago

8 0

has the abbreviation of M.A.D

Lorico [155]3 years ago

4 0

If you wanted the meaninggg, "The mean absolute deviation of a set of data is the average distance between each data value and themean. The mean number of contacts stored and the distance each data value is from the mean is shown below. Each data value is represented by an ×. 48. 52"

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Item 20<br> Factor 42x+28yusing the GCF.

Yanka [14]

So 7×6=42 and 7×4=28 GCF is 7 so 7x(6x+4)

4 0

3 years ago

Isaac downloaded 7 ringtones. Each polyphonic ringtone costs $3.25, and each standard ringtone costs $1.50. If he spends a total

anzhelika [568]

Answer:

$6\ polyphonic\ ringtones$ and $1\ standard\ ringtone$

Step-by-step explanation:

Let

x -----> the number of polyphonic ringtones

y ----> the number of standard ringtones

we know that

$x+y=7$

$x=7-y$ -----> equation A

$3.25x+1.50y=21$ -----> equation B

Solve the system of equations by substitution

Substitute equation A in equation B and solve for y

$3.25(7-y)+1.50y=21$

$22.75-3.25y+1.50y=21$

$3.25y-1.50y=22.75-21$

$1.75y=1.75$

$y=1\ standard\ ringtones$

Find the value of x

$x=7-1=6\ polyphonic\ ringtones$

6 0

3 years ago

Read 2 more answers

Help me please thank you

ser-zykov [4K]

There is nothing to help with...

3 0

3 years ago

Read 2 more answers

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olga_2 [115]

Answer:help me with my questions

Step-by-step explanation:

7 0

3 years ago

A rectangular soccer field is 120 ft long by 64 ft wide. What dimensions would a scale drawing of the soccer field be if the fie

timofeeve [1]

Answer:

Hence dimension on drawing= 12 in by 6.4 in

Step-by-step explanation:

Actual dimension of the soccer field is 120 ft by 64 ft

Scale during drawing = 1in to 10 ft

Hence dimension on drawing = 120/10 by 64/10 = 12 in by 6.4 in

4 0

4 years ago