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Cerrena [4.2K]
3 years ago
7

Randomization in an experiment reduces bias between the treatment and control groups.

Mathematics
1 answer:
Vinil7 [7]3 years ago
6 0

Answer:

True

Step-by-step explanation:

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Solve x2 – 10x + 25 = 35 for x.
Galina-37 [17]

x^2-10x+25=35\\\\x^2-2\cdot5\cdot x + 5^2=35\ \ \ |\text{use:}\ (a-b)^2=a^2-2ab+b^2\\\\(x-5)^2=35\to x-5=\pm\sqrt{35}\ \ \ |+5\\\\\boxed{x=5-\sqrt{35}\ \vee\ x=5+\sqrt{35}}


\text{other method}\\\\x^2-10x+25=35\\\\x^2-5x-5x+25=35\\\\x(x-5)-5(x-5)=35\\\\(x-5)(x-5)=35\\\\(x-5)^2=35\\.....

3 0
4 years ago
PLEASE HELP WILL GIVE BRANLIEST pythagorean theorem
nikklg [1K]

Answer:

It is easy...

replace the value...

like 1st. ..

3^{2} + 4^{2}  =   {5}^{2} \\ or \: 9 + 16 = 25 \\or \:  25 = 25 \\ proved

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3 years ago
At a grocery store 4.5 pounds of meat cost $14.67. What is the cost of the meat per pound?
Elan Coil [88]

Answer:

$3.26

Step-by-step explanation:

If 4.5 pounds cost $14.67

You divide 14.67 by 4.5 which gives you 3.26

8 0
3 years ago
A line has a slope of 9/5 and the point (-10, -16). which of the following could be another point on the line?
Allisa [31]

Answer: C

Step-by-step explanation:

3 0
3 years ago
12• (-9) pls help and explain to mr
Paha777 [63]
12*-9 is simply 12 * 9 with a negative at the end. I use a strategy as I'm in 8th grade that I learned in 5th this should help. If you love to hat that is bad. this is for division and multiplication this is stating that if a positive( love ) number times or divided by a negative( hate ) number it is negative( bad ). so 12*9=108 and add the negative and your answer is -108
Hope this helps:) good luck!
3 0
3 years ago
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