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OLEGan [10]
3 years ago
9

Which of the following describes bias that may arise from the results?

Mathematics
1 answer:
velikii [3]3 years ago
8 0
Answer: I think A
Epian:
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The sum of twice a and 4<br>Sorry if this isnt much info. That's all what was written in the paper
JulijaS [17]
The way you wrote it could have 2 meanings:

Sum of twice a and 4 could be:
2a+4 or 2(a+4) which will give different results.

In the first case:
2a+4
a= 4/2
a= 2
So the sum would be 2*2+4 = 4+4 = 8

In the second case:
2(a+4) = 2a + 2*4 = 2a + 8
a= 8/2
a=4

2(4+4) = 2*8 = 16
5 0
3 years ago
On a coordinate grid what is the distance between (2,4) and (2, -3)
Mariulka [41]
The answer would be seven units

7 0
3 years ago
Who ever answers first will be the brainlist and get a thank you. Please help!
Alchen [17]
The missing side is



16
8 0
3 years ago
Please help me quick
Ainat [17]

For this case we must indicate the factors of the following expression:

x ^ 2-12x-20

To factor we must find two numbers that when multiplied result in -20 and when added, result in -12.

There are no two numbers that meet this condition. Thus, the expression is not factorizable with rational numbers.

Answer:

The expression is not factorizable with rational numbers.

3 0
3 years ago
The length if the base of an isosceles triangle is 2x. The length of the leg is 6x-20. The perimeter of the triangle is 240. Fin
Natali5045456 [20]

Answer:

x is about 14.2857

Step-by-step explanation:

8 0
3 years ago
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