1.1x+1.2x-5.4=-10x
Move all terms to the left:
1.1x+1.2x-5.4-(-10x)=0
Add all the numbers together, and all the variables
2.3x-(-10x)-5.4=0
Get rid of parentheses
2.3x+10x-5.4=0
Add all the numbers together, and all the variables
12.3x-5.4=0
Move all terms containing x to the left, all other terms to the right
12.3x=5.4
x=5.4/12.3
x=3.8571428571429/8.7857142857143
Hope it helps!
69.9 is exactly 3 standard deviations away, which means that 78.9 is +3 (more than 3) standard deviations
So the answer is 78.9
Answer:
The answer would be -4.36.
Answer:
30% of the total capacity will be=> 50*30/100 = 15 litres. we are required to fill it upto to 50%. So, 50% of the total capacity of the tank is=> 50*50/100 = 25 litres. therefore, amount of water to be put in the tank to get filled its desired amount is 25-15 = 10 liters.
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