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sweet-ann [11.9K]
3 years ago
6

Emily, Zeke, Harry, and Brook each conducted surveys on the number of books people have in their homes. Then, each student deter

mined the accuracy of the following statement.
All measures of central tendency must appear as a number in the set of data collected.
Which student’s statement is CORRECT?
A.
Zeke says this is never true because all the measures of central tendency are never numbers in the set of data.

B.
Emily says this is always true because all the measures of central tendency also have to be numbers in the set of data.

C.
Harry says this is sometimes true because the mean and median may or may not be in the set of data, but the mode is always in the set of data.

D.
Brook says this is sometimes true because the mean and mode may or may not be in the set of data, but the median is always in the set of data.
Mathematics
2 answers:
Alona [7]3 years ago
8 0
C................................
blsea [12.9K]3 years ago
6 0

Answer:

The answer is C.

Step-by-step explanation:

Pretty easy if you read the whole thing, please give Brainiest

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seven subtracted from 3 times a number is equal to 9 more than 5 times the number. what is the number? _______
Illusion [34]
3x - 7 = 5x + 9
3x - 5x = 9 + 7
-2x = 16
x = 16/-2
x = -8 <== ur number
6 0
3 years ago
A phone company offers two monthly plans. Plan A costs $23 plus an additional $0.12 for each minute of calls. Plan B costs $18 p
Alona [7]

Answer:

250 minutes of calling will cost same using both plans.

$53

Step-by-step explanation:

Please consider the complete question.

A phone company offers two monthly plans. Plan A costs $23 plus an additional $0.12 for each minute of calls. Plan B costs $18 plus an additional $0.14 of each minute of calls.  For what amount of calling do the two plans cost the same?  What is the cost when the two plans cost the same?

Let x represent the number of call minutes.

The total cost of calling for x minutes using plan A would be cost of x minutes plus fixed charge that is 0.12x+23.

The total cost of calling for x minutes using plan B would be cost of x minutes plus fixed charge that is 0.14x+18.

To find the number of minutes for which both plans will have same cost, we will equate total cost of x minutes for both plans and solve for x.

0.14x+18=0.12x+23

0.14x-0.12x+18=0.12x-0.12x+23

0.02x+18=23

0.02x+18-18=23-18

0.02x=5

\frac{0.02x}{0.02}=\frac{5}{0.02}

x=250

Therefore, calling for 250 minutes will cost same using both plans.

Upon substituting x=250 in expression 0.14x+18, we will get:

0.14(250)+18=35+18=53

Therefore, the cost will be $53, when the two plans cost the same.

5 0
2 years ago
What is the length of X?<br> a = 6.4<br> b = 12
Virty [35]
C = 12.2
Not sure if it’s the pythagorean theorem..
8 0
3 years ago
Four a plus 2 c plus c =​
Bumek [7]

Answer:

Step-by-step explanation:

4a+3c

8 0
3 years ago
Read 2 more answers
How do I do this problem?
DedPeter [7]
If it's an isosceles triangle, the answer should be 87*42yd. In a right triangle, the area is (height*base)/2. if the height perfectly divides the triangle in half, there's no need to divide h*b by 2.
5 0
3 years ago
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