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Sergio [31]
2 years ago
7

Is this a fair or biased sample.

Mathematics
1 answer:
hichkok12 [17]2 years ago
5 0

Answer:

biased

Step-by-step explanation:

even with the computer randomly picking people, they are still all on the mailing list.

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Y=? What is Y? Please help me!
kumpel [21]
Answer:   y = 6 mi.  .
______________________________________________
Explanation:
______________________________________________
Area of a triangle = (½) * (base) * (height) ;

or,  A = (½) * b * h ;  or,  A = b*h / 2 ;
_____________________________________
Given:  A = 24.3 mi ² ;
           b = 8.1 mi 
___________________
Find the height, "h" ;  (in units of "miles", or , "mi" ).
__________________________
   Plug in the known values into the formula:

24.3 mi ² = (½) * (8.1 mi) *(h) ;
_____________________________
Solve for "h" (height) ;
_____________________________
(½) * (8.1 mi) = 4.05 mi  ;
______________________________
Rewrite: 
____________________________
24.3 mi² = (4.05 mi) *(h) ;  Solve for "h" ;
_________________________________________
 Divide each side of the equation by "(4.05 mi)" ; to isolate "h" on one side of the equation ; and to solve for "h" ; 
__________________________________________
   24.3 mi²  / 4.05 mi  = (4.05 mi) *(h)  / 4.05 mi ;
                                 
              →  6 mi  = h ;  ↔  h = 6 mi. 

              →      h = y = 6 mi. 
____________________________________________
7 0
3 years ago
Read 2 more answers
Janelle wants to learn to play the piano. Her friends recommended two different music schools. Make Music charges $525 for 10 ho
makvit [3.9K]

Answer:

Piano Play has the better deal

Step-by-step explanation:

Piano Play has the better deal because it has a lower unit rate

Make Music’s unit rate is 52.5 when you divide $525 by 10 hours

Piano Play’s unit rate is $45 when you divide $540 by 12 hours

3 0
3 years ago
Read 2 more answers
Find the solution of y = 6x + 1 for x = 5
snow_lady [41]

Answer:

y equals to 31

Step-by-step explanation:

6(5) = 30

30+1 = 31

3 0
3 years ago
Jake’s dad is 6 more than 3 times Jake’s age. The sum of their ages is 42 . Find their ages. Use whole numbers.
kati45 [8]

Answer: Jake is 9 and his dad is 33.

Step-by-step explanation: 9x3=27+6=33 9+33=42

8 0
3 years ago
Read 2 more answers
What is the soulution to this system of linear equation 7x-2y=-6 8x+y=3
tatuchka [14]

Answer:

(0,3)

Step-by-step explanation:

Step 1: 7x-2y=-6             Step 2: 7x-2y=-6    solve by elimination of the y value

           2(8x+y=3)2                     +(16x+2y=6)

Step 3: 23x=0, which means <u>x=0</u>

Step 4: subtitute 0 into the equation 8x+y=3

            you get 8(0)+y=3, which comes to 0+y=3

          you get <u>y=3</u>

therefore the solution to this system is (0,3)

7 0
4 years ago
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