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3 years ago

The mathematic average of a set of numbers

1 answer:

3 0

The term 'average' refers to the 'middle' or 'central' point; when used in mathematics the term average refers to a number that is a typical representation of a group of numbers (or data set).

You can calculate it in mean, median or mode.

Hope this helps, have a good day. c;

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Using the segment addition postulate, which is true? What is the measure of AngleDCF? Three lines extend from point C. The space

Flura [38]

Answer:

129

Step-by-step explanation:

If three lines CD, CE and CF extend from point C, then the following addition postulate is true;

<DCE + <ECF = <DCF

If the space between line C D and C E is 75 degrees, then <DCE = 75

If the space between lines C E and C F is 54, then <ECF = 54.

Substitute the given values into the expression above will give;

<DCF =<DCE + <ECF

<DCF = 75+54

<DCF = 129

Hence the measure of <DCF is 129°

8 0

3 years ago

In country X, the average yearly salary of 50-year-olds with 16 years of education is $50,275, while the average yearly salary o

nika2105 [10]

Answer:

38%

Step-by-step explanation:

The additional wage compared 12 years of education to 16 years of education is:

$Extra\ wage\%=\frac{50,275-36,265}{36,265} *100 = 38.6%$

3 0

4 years ago

PLEASEEEEE SOMEBODY HELP NOW QUICK PLEASEEE

pickupchik [31]

Answer:

Step-by-step explanation:

becasue it would have a 3/8 chance of landing on silver , 8 goes into 240 30 times. so if we multiply 3 by 30 it gives us 90.

3 0

2 years ago

What is the principal square root of -4

devlian [24]

Answer:

The principal square root of -4 is 2i.

Step-by-step explanation:

$\sqrt{-4}$ = 2i

We have the following steps to get the answer:

Applying radical rule $\sqrt{-a} =\sqrt{-1} \sqrt{a}$

We get $\sqrt{-4} =\sqrt{-1} \sqrt{4}$

As per imaginary rule we know that $\sqrt{-1}=i$

= $\sqrt{4} i$

Now $\sqrt{4} =2$

Hence, the answer is 2i.

6 0

4 years ago

Shawn bought a hat for $17.00, shorts for $24.00 and a shirt for $12.00. How much did he spend in all?

lakkis [162]

Answer:

$53

Step-by-step explanation:

17+24=41

41+12=53

3 0

3 years ago

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