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Eva8 [605]
3 years ago
7

Which survey is biased?

Mathematics
2 answers:
baherus [9]3 years ago
8 0

Option b) going to grocery store and asking people what type of food is their favourite

Shkiper50 [21]3 years ago
6 0

Answer:

A

Step-by-step explanation:

A is biased because those people at the grocery store will most likely like that grocery store, since they went there to shop in the first place.

B, C, and D are not biased because there is no correlation between the grocery store and the survey questions.

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20 POINTS
Mashutka [201]

To find x:

ON is parallel to LM

8x - 8 = 7x + 4

-7x        -7x

1x - 8 = 4

     +8   +8

1x = 12

---    ---

1        1

x = 12

8(12) - 8 = 7(12) + 4

96 - 8 = 84 + 4

88 = 88

------------------------------------

To find y:

NM is parallel to OL

x - 5 = 3y - 6

12 - 5 = 3y - 6

7 = 3y - 6

+6      +6

13 = 3y

---    ---

3      3

13/3 = y

Check:

12 - 5 = 3(13/3) - 6

7 = 13 - 6

7 = 7



6 0
3 years ago
Which is a irrational number, √39, √9, √49, 1.7
stiv31 [10]

Answer:

√39

Step-by-step explanation:

An irrational number is a number that cannot be expressed by a fraction.

√9 = 3

√49 = 7

All whole numbers can be expressed as fractions and are <u>not</u> irrational numbers.

1.7 = 17/10 which is <u>not</u> an irrational number.

7 0
3 years ago
A ship travels due north for 100 miles from point C to point A. From point A the ship travels to point B at 60° east of north. F
Karo-lina-s [1.5K]

Answer:

AandB=80miles

Total=240miles

Step-by-step explanation:

Draw the figure first indicating the figures then find the distance each degrees then find the total

4 0
3 years ago
How many terms are In This expression 7+10b
jenyasd209 [6]

Answer:

one term is in this expression

Step-by-step explanation:

7 0
3 years ago
I don't understand someone help me help out a barb plz.
ss7ja [257]

Answer:

Step-by-step explanation:

so you are doing 4x times 4x which = 16x

so now you do 16x-9 which = 7x

8 0
3 years ago
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