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elixir [45]
3 years ago
14

Determine whether the following sample may be biased and explain.

Mathematics
1 answer:
Alex3 years ago
7 0
I think it is C., since they are not a group of friends or people he personally knows, just 100 people out of everyone attending his school, I think that is unbiased and has a widespread enough population.
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bonufazy [111]

Answer:

C.

Step-by-step explanation:

Lateral Area formula: ph (perimeter x height)

4 0
3 years ago
Read 2 more answers
Help plz Also explain what it means
rodikova [14]

Answer:

okay so the answer for b is 0.065

6 0
3 years ago
Mr Watkins needs to buy some oil for his central heating, Mr
aksik [14]

Answer:

Step-by-step explanation:

1500 - 850 litres  = 650 litres

 

Cost = 650litres * 67.2p/litre *0.95   = 41496p = £41.50 to the nearest p (assuming the p represents pence Sterling)

 

The 0.95 is because he pays 95% of the basic price (i.e. 5% off)

7 0
3 years ago
Put the following equation of a line into slope-intercept form, simplifying all
soldier1979 [14.2K]
Answer: y = 2x - 2

Explanation: The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
y = mx + b
Subtract 2x from both sides of the equation.
-y = 2 - 2x
Multiply each term in -y = 2 - 2x by -1
(-y) . -1 = 2 . -1 + (-2x) . -1
Multiply (-y) . -1
Multiply -1 by -1
Multiply y by 1
y = 2 . -1 + (-2x) . -1
Simplify each term
Multiply 2 by -1
y = -2 + (-2x) . -1
Multiply -1 by -2
y = -2 + 2x
Reorder -2 and 2x
y = 2x - 2
4 0
3 years ago
(2x - y = 6<br> - 13x - y = 2
stealth61 [152]

Answer:

its no sloveable so the answer would be Y= 0

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
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